Sharp 902SH Service Manual

3g(umts)/gsm/gprs

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Summary of Contents for Sharp 902SH

Page 1: Table Of Contents
CHAPTER 2. ADJUSTMENTS, Schematic diagram/ PERFORMANCE CHECK, AND Wiring side of P.W.Board ......5-7 FIRMWARE UPGRADE SHARP Programme Support Tool (SPST)..2-1 CHAPTER 6. OTHERS Test points ............ 2-18 Function table of IC........6-1 Troubleshooting..........2-25 Function table of Display ......6-33 CHAPTER 3.
Page 2: Servicing Concerns
Market SERVICING CONCERNS 1. When requested, back up user’s handset data using SPST (SHARP Programme Support Tool). Otherwise, before servicing, warn the user that data in the memory may be lost during repairs. 2. Upgrade the firmware to the latest version using SPST before returning the handset to the customer.
Page 3 CONFIDENTIAL 902SH PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder This model employs lead-free solder. This is indicated by the “LF” symbol printed on the PWB and in the service manual. The suffix letter indicates the alloy type of the solder.
Page 4: Chapter 1. General Description
902SH CONFIDENTIAL Phone 902SH Service Manual Service Manual Market CHAPTER 1. GENERAL DESCRIPTION FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. [1] Specifications General: Quad - band (W-CDMA/GSM 900 MHz/ Sound: 64-polyphonic ring melodies...
Page 5 Bluetooth is a trademark of the Bluetooth SIG, Inc. The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Sharp is under license. Other trademarks and trade names are those of their respective owners.
Page 6: Names Of Parts
902SH CONFIDENTIAL [2] Names of parts 1. Earpiece 2. Navigation Keys (Arrow Keys): Moves cursor to highlight a menu item, etc. Up/Down arrow keys: Displays the Contacts List when pressed during stand-by. Left arrow key: Displays the message inbox when pressed during stand-by.
Page 7 CONFIDENTIAL 902SH 19. Camera (External Camera) 20. Sub Display 21. Built-in Aerial: Warning: Do not cover the top of the phone with your hand when in use as this may interfere with the performance of the built-in aerial. 22. Mobile Light: Used as a flash or an auxiliary light in camera mode.
Page 8: List Of Menu Functions
902SH CONFIDENTIAL [3] List of Menu Functions Menu No./ Menu No./ Menu No./ Menu No./ Main Menu Sub Menu1 Main Menu Sub Menu1 1 Games 1 Calendar 2 Screensavers 2 Alarms 1 Games & More 3 Settings 3 Calculator 4 Java...
Page 9: Chapter 2. Adjustments
Market CHAPTER 2. ADJUSTMENTS, PERFORMANCE CHECK, AND FIRMWARE UPGRADE SPST (SHARP Programme Support Tool) allows you to adjust settings, conduct performance checks, and upgrade the firmware. [1] SHARP Programme Support Tool (SPST) 1. Installation/uninstallation • Do not change the installation structures (see “2. Structure”).
Page 10 902SH CONFIDENTIAL 1) Setup screen Figure 2 • Click “Next” to proceed. • To cancel the installation, click “Cancel”. 2) Location selection screen Figure 3 • Click “Next” to proceed. • To cancel the installation, click “Cancel”. [Caution] Do not change the folder.
Page 11 CONFIDENTIAL 902SH 3) Confirmation screen Figure 4 • Click “Next” to proceed. • To cancel the installation, click “Cancel”. 4) Progress screen Figure 5 • Wait until the installation is completed. • To cancel the installation, click “Cancel”. 2 – 3...
Page 12 SHDiag Ver.1.0: Handset (Phone) adjustment and inspection utility SHInfoView Ver.1.0: Handset (Phone) information display utility SHPwdReset Ver.1.0: Handset (Phone) password reset utility 3. Start-up Connect a dongle to the PC. Double-click the icon “SPST for 902SH/802SH” to launch. 2 – 4...
Page 13 CONFIDENTIAL 902SH 4. Function (screen example) 4.1. Password entry screen (after SPST start-up) Figure 8 • Type in the specified password and press “Enter” on the keyboard. • Click “Exit” on the screen to quit. The screen below appears if the password is incorrect. Click “OK” and enter the password again.
Page 14 4.3. Functions 4.3.1 SHDownLoader 1) Basic functions • SHDownLoader is the updating tool that is supported in Windows 2000/XP and designed for 902SH. • SHDownLoader allows simultaneous updating operation via serial communication for up to 8 handsets (phones). *1 •...
Page 15 CONFIDENTIAL 902SH 2) - 3. Port field Figure 13 1. Port Name: The (logical) port name appears. 2. Connect: Execute a selected function for the port only. 3. Select Function: Select a function for the port only. 4. Stop: Terminate an ongoing operation for the port only.
Page 16 902SH CONFIDENTIAL 3) Option Settings Adjust settings in Option when you use SHDownLoader for the first time or when the serial port connection is changed. Click “Setup Option” on “Tool Bar” to open the screen and follow the procedures below.
Page 17 CONFIDENTIAL 902SH Figure 17 • When you start updating, “Status/Information” in “Port Field” changes to “Execute/Under Connection” as shown above, and then handsets (phones) become ready for connection or power-on. Connect chargers to the handsets (phones). • To stop updating all at once, click “Stop All Ports” on “Tool Bar”.
Page 18 902SH CONFIDENTIAL 1) Remove batteries from all the handsets (phones). 2) Connect communication cables to all the handsets (phones). 3) Click “Start All ME” to start rewriting for all the handsets (phones). 4) Connect a charger to all the handsets (phones).
Page 19 CONFIDENTIAL 902SH 2. COM port settings window Figure 19 After the connection confirmation window, the above window appears. From the list boxes, select a transfer rate (set to 115200 by default) and the PC COM port that is connected to the handset (phone).
Page 20 902SH CONFIDENTIAL [User action] 1) Wait until “--- ME Initialise Complete ---” is displayed. 2) Carry out adjustments. • [Display LCD Test pattern]: Displays a test pattern on the handset (phone) display. “Main LCD” is for the [main display] display, and “Sub LCD” for the [sub display] display.
Page 21 CONFIDENTIAL 902SH 6. Handset (Phone) change confirmation window Figure 23 The above window appears when “Settings” is clicked on the main window. Before changing handsets (phones), specify whether to initialise the handset (phone) or not. After initialisation or handset (phone) change, make communication settings again.
Page 22 902SH CONFIDENTIAL 1. Change the option settings if necessary. Default settings, when the tool is started for the first time, are as follows: Port1 View Title COM1 Port Baud Rate 115200bps Make sure to set the “Port” at the first start after the installation.
Page 23 CONFIDENTIAL 902SH Appendix 1: Handset (Phone) information IMEI Software Version Country code: Provider name Figure 28 Screen example 4.3.4 SHPwdReset 1) Overview SHPwdReset allows you to reset all the handset (phone) passwords to the factory defaults. 2) Operation Screen 1. Connection Confirmation Window Figure 29 At the start-up of SHPwdReset, the above window prompts you to connect a handset (phone) (ME).
Page 24 902SH CONFIDENTIAL 2. COM port settings window Figure 30 After the connection confirmation window, the above window appears. From the list boxes, select a transfer rate (set to 115200 by default) and the PC COM port that is connected to the handset (phone).
Page 25 CONFIDENTIAL 902SH 4.3.5 Change Password Figure 33 Password change screen • Enter a new password, enter it again for confirmation, and click “Setting”. • Click “Cancel” to quit. • After completing or cancelling the operation, the SPST function selection screen returns.
Page 26: Test Points
902SH CONFIDENTIAL [2] Test points Main PWB φ Checker Ref. Name Output Input Function Remarks → TP1002 BANDSEL_1 IC1000 Band switching Back-up → TP1003 VRTC15 IC1204 IC1000 RTC 1.5 V power supply → TP1004 PCMDATA–B IC1001, IC1000 PCM data IC1200 →...
Page 27 CONFIDENTIAL 902SH φ Checker Ref. Name Output Input Function Remarks → TP1219 SIMVCC IC1200 CN1201 Power supply for USIM ↔ TP1220 SIM I/O IC1200 CN1201 USIM data → TP1221 SIM CLK IC1200 CN1201 USIM clock → TP1222 SIM RESET IC1200...
Page 28 902SH CONFIDENTIAL MAIN PWB-A MAIN PWB-A (FRONT SIDE) (REAR SIDE) MIC200 MIC201 TP1234 TP1608 TP1601 TP1800 TP1611 TP1216 TP1606 TP1215 TP1602 TP1604 TP1605 TP1607 TP1400 TP1024 TP1013 TP1002 VIB1601 VIB1600 TP1237 TP1004 TP1007 TP1504 TP1236 TP1012 TP1609 TP1023 TP1005 TP1011...
Page 29 CONFIDENTIAL 902SH Display PWB φ Checker Ref. Name Output Input Function Remarks → TP3002 VDON IC1500 IC3000 VD-LINK ON/OFF setting → TP3003 LCDCLK IC1500 IC3000 Display clock (6.5 MHz) → TP3004 VBATIB CN1200, Handset (Phone) power supply IC1202 (BB) →...
Page 30 902SH CONFIDENTIAL φ Checker Ref. Name Output Input Function Remarks → TP3066 PCLK IC1500 Sub camera clock CAMERA → TP3067 I2CCLKA IC1500 I2C clock CAMERA ↔ TP3068 I2CDATA IC1500 I2C data CAMERA TP3055 TP3054 DISPLAY PWB-B (FRONT SIDE) TP3036 TP3031...
Page 31 CONFIDENTIAL 902SH SD PWB φ Checker Ref. Name Output Input Function Remarks → TP2000 VPLUS2 IC2005 LED2005 Three-colour LED power supply anode → TP2001 VPLUS1 IC2005 IC2005 White LED boost output → TP2002 BLED – TP3009 IC2005 Sub display backlight –, white LED feedback circuit →...
Page 32 902SH CONFIDENTIAL TP2013 TP2012 SD PWB-C TP2009 TP2010 (FRONT SIDE) TP2023 TP2022 TP2014 TP2015 TP2017 TP2019 TP2020 SD PWB-C TP2002 TP2008 (REAR SIDE) TP2007 TP2021 TP2006 TP2000 TP2025 TP2004 TP2024 TP2005 TP2027 TP2003 TP2026 TP2001 Figure 36 TEST POINT 2 – 24...
Page 33: Troubleshooting
CONFIDENTIAL 902SH [3] Troubleshooting No voice is heard and playback is impossible. See page 2-25 Voice transmission/recording is impossible. See page 2-26 Power dose not turn on. See page 2-26 Battery does not charge/Charging does not complete. See page 2-27 System settings are reset.
Page 34 902SH CONFIDENTIAL 2. Voice transmission/recording is impossible. Built-in microphones 1 and 2 Is 2.2 V or more applied to TP1601 and Is 2.2 V or more applied to C1673? C1673 or IC1200 is TP1603? defective. C1633, C1634, R1661, IC1200 or microphone R1643, R1648, R1649, R1650, R1651, R1658, are defective.
Page 35 CONFIDENTIAL 902SH 4. Battery does not charge/Charging does not complete. 4.1. Battery does not charge. When the AC charger is connected, is the volt- The AC charger is defective. CN1300 is age of TP1301 higher than that of the battery? mounted improperly or in poor contact.
Page 36 902SH CONFIDENTIAL 5. System settings are reset. Is TP1217 at high level (2.75 V) when the Is 1.8 V applied to TP1231? Go to the section Power key is pressed with 3.7 V applied to the Is 2.75 V applied to TP1232,TP1233 and “3.
Page 37 CONFIDENTIAL 902SH 7. Vibrator does not work. Is 3.0 V on TP1609 when the vibrator is At this time, is 1.6 V or more on IC1601 pin 1? IC1600 is defective. removed and then activated? IC1601, CA1609, and D1600 are defective, mounted improperly, or short-circuited Is 3.0 V on TP1609 when the vibrator is fixed...
Page 38 902SH CONFIDENTIAL 8.2. Ring tones are heard from the speaker but voice is not. Is signal sent to R1612? IC1600 is defective. IC1200 is defective. 8.3. Voice is heard from the speaker but ring tones are not. Is the volume set to zero?
Page 39 CONFIDENTIAL 902SH 10. The display does not appear on Sub Display. Is 2.9 ± 0.1 V applied to R2005? FPC or connector for the SD P.W.B. connect FPC is connected improperly. Does the display appear after replacing the Sub Display unit is defective.
Page 40 902SH CONFIDENTIAL 12. Sub Camera does not operate. Replace the display PWB to a properly working one, and activate the sub camera. Is the image through the sub camera lens prop- The display PWB is defective. Find the cause. erly displayed? Replace the thin coaxial to a non-defective one, and activate the sub camera.
Page 41 CONFIDENTIAL 902SH 14. The Key backlight does not turn on. Does the power turn on? Go to the section "3. Power dose not turn on." (see page 2-26) Do all the Key backlight LEDs remain off? The disabled LEDs are defective. Otherwise, the resistances corresponding to the disabled LEDs are mounted improperly.
Page 42 902SH CONFIDENTIAL (From page 2-33) Does Error occur when the command VERS = The file system or SRAM is defective. 1 is entered? (*1) Use the wire method for measurement. In the test mode, can synchronisation be estab- lished with a simulator, etc.? (ANT terminal input: -90 dBm) Use the PUCA command.
Page 43 CONFIDENTIAL 902SH Additional information 1: Out-of-range display for W-CDMA Parameter group Parameter Setting Remarks Common Call Processing Test Loop Mode UL Frequency 9887ch 1977.4MHz Measurement-dependent DL Frequency 10837ch 2167.4MHz Measurement-dependent Frequency Separation 190MHz Input Level 25dBm (at maximum output)
Page 44 902SH CONFIDENTIAL Parameter group Parameter Setting Remarks Rx Measurement Setup Parameter Bit Error Rate Number of Sample 10000 bit BER Upper Limit Measurement Input RF Loopback Ext.BER.Input Polarity Not used Ext.BER.Input Clock Not used Voice Channel Not used Block Error Rate...
Page 45 CONFIDENTIAL 902SH In the overseas mode (GSM), “out-of-range” appears, and no transmission/reception is available. Is the system setting set to “Auto” or “GSM”? Change the setting in the network settings to “Auto” or “GSM”. Is the USIM inserted? Insert the USIM.
Page 46 902SH CONFIDENTIAL In the overseas mode (DCS/PCS), “out-of-range” appears, and no transmission/reception is available. Is the system setting set to “Auto” or “GSM”? Change the setting in the network settings to “Auto” or “GSM”. Is the USIM inserted? Insert the USIM.
Page 47 902SH 17. SD memory card is not recognised. Prepare the SD memory card. [*1] [*1] Use the specified, formatted SD card for 902SH. It does not matter if data exists or not. Put the SD memory card. Is it recognised? SD memory card is defective.
Page 48 902SH CONFIDENTIAL 19. USIM card is not recognised. Is the USIM card inserted and securely locked? The USIM card is not properly inserted. Is the USIM card recognised when inserted to a USIM card is defective. properly working handset (phone)? Is “Insert SIM Card”...
Page 49: Servicing Concerns
CONFIDENTIAL 902SH Phone 902SH Service Manual Service Manual Market CHAPTER 3. DISASSEMBLY AND REASSEMBLY [1] Servicing Concerns Standard position 1. For disassembling Front Cabinet 1. Do not remove the board of baseband section by pulling external (Key) interface connector not to damage the board.
Page 50 902SH CONFIDENTIAL Standard Standard Cushion, Hinge position position Main PWB-A Attach along No protrusion the resist line. from the PWB Standard Holder, Hinge position Main PWB-A Do not place on Thin Coaxial (Earth FPC) the BBK shield case cover. [Holder, Hinge/Cushion, Hinge]...
Page 51 CONFIDENTIAL 902SH [2] Disassembly and reassembly • To reassemble, reverse the procedure. (A5) x 2 Note that the aerial cover needs to be installed after assembling the back cabinet (key side). Top belt STEP REMOVAL PROCEDURE FIGURE Back Cabinet 1.Battery Cover..
Page 52 902SH CONFIDENTIAL STEP REMOVAL PROCEDURE FIGURE Hinge Cabinet 1.Screw Cover..(D1)x2 Back Cabinet, Hinge 2.Screw....(D2)x2 3.Hook..... (D3)x4 4.Hinge Belt Left..(D4)x1 (D5)x1 5.Hinge Belt Right..(D5)x1 Back Cabinet 1.Screw Cover..(E1)x2 (Key) 2.Screw....(E2)x4 Set it upright (D4)x1 Assembly 3.Hook.....
Page 53 CONFIDENTIAL 902SH STEP REMOVAL PROCEDURE FIGURE Aerial Cover 1.Screw Cover..(F1)x1 2.Screw....(F2)x2 3.Hook..... (F3)x4 Remove the FPC retainer kapton. Main PWB-A 1.Hook..... (G1)x3 Sub Display 1.Hook..... (H1)x2 Thin Coaxial Holder Unit 2.Flat Cable....(H2)x1 (Earth FPC) Sub Display (J1)x1 Camera 1.Socket....
Page 54: Precautions For Installing The Thin Coaxial
902SH CONFIDENTIAL [3] Precautions for installing the thin coax- Attach the connector cover before installing the thin coaxial. After the installation, leave the connector cover off. Part Code Description Yellow Wire Holder A When routing through the hole B, straighten the thin coaxial and...
Page 55 CONFIDENTIAL 902SH – MEMO – 3 – 7...
Page 56: Chapter 4. Diagrams Block Diagram
902SH CONFIDENTIAL 902SH CHAPTER 4. DIAGRAMS [1] Block diagram 2, 13, 66~69, 76, 77, 30, 42~44, 52~58, 64~68, 75~80, 86, 92, 94, 95, 108, 88~92, 111, 112, 115, 138, 143, 148, 154, 191, 193, 212, 223, IC1400 IC1000 IC1100 IC1101...
Page 57 902SH CONFIDENTIAL 902SH FL400 FL420 9, 10 RXIA/RXIB To IC1400 RXQA/RXQB 7, 8 [W-CDMA RF] Rx_IF AMP Rx AGC AMP I/QDEM Rx LPF fIF_Rx=190MHz VDD_B GLNA π/2 0 GAIN 2, 27, 29 TOL. TUNE CTRL 31, 33, 40~45 KILLER FL002...
Page 58: Chapter 5. Schematic Diagram And Wiring Side Of P.w.board
902SH CONFIDENTIAL Phone 902SH Service Manual Service Manual Market CHAPTER 5. SCHEMATIC DIAGRAM AND WIRING SIDE OF P.W.BOARD [1] Notes on schematic diagram • The voltage of each section is obtained by measuring between the section and chassis using a digital multimeter [handset (phone) out •...
Page 59: Waveforms Of Circuit
CONFIDENTIAL 902SH [3] Waveforms of circuit C001 EGSM (Talking) C331 EGSM (Talking) SP032 EGSM·DCS·PCS (Stand-by) (CH1=1V, 1ms/div) (CH1=1V, 1ms/div) (CH1=1V, 1ms/div) C002 DCS (Talking) C331 DCS/PCS (Talking) SP032 EGSM·DCS·PCS (Out-of-range) (CH1=1V, 1ms/div) (CH1=1V, 1ms/div) (CH1=1V, 200ms/div) C003 DCS (Talking) R213 (IC2100 side) EGSM/DCS/PCS (Talking)
Page 60 902SH CONFIDENTIAL SP001 TXIA TP1023 RF_CLKREQ (Talking) SP029 TX_ON (Talking) (CH1=1V, 1s/div) (CH1=1V, 1s/div) (Transmitting W-CDMA modulated waves) SP002 TXIB (Transmitting W-CDMA modulated waves) (CH1, CH2=200mV, 10µs/div) SP023 RX_ON (Stand-by) (CH1=1V, 1s/div) SP015 RXIA (Receiving W-CDMA modulated waves) SP016 RXIB...
Page 61 CONFIDENTIAL 902SH C1031 MCLK (Talking) R1522 CAMCLK (Camera is active) R1572 BICK (Playing Music) (CH1=1V, 80ns/div) (CH1=1V, 80ns/div) R1571 LRCK (Playing Music) R1565 ADSDO (Playing Music) (CH1, CH2, CH3=2V, 2µs/div) TP1800 BECLK (Sending video call image) TP1006 RTCCLK (Power ON) (CH1=2V, 20ns/div) (CH1=1V, 20µs/div)
Page 62 902SH CONFIDENTIAL R1041 M_I2CCLK (Display is turned on) TP1305 USBDM (Connected to PC) RA1018 HSSLTXCLK (Talking) R1042 M_I2CDAT (Display is turned on) TP1306 USBDP (Connected to PC) (CH1=1V, 80ns/div) (CH1, CH2=2V, 2µs/div) (CH1, CH2=2V, 200ns/div) RA1018 HSSLTX (Talking) (CH1=1V, 400ns/div)
Page 63 CONFIDENTIAL 902SH R1506 LEDLD (Backlight ON: Key is pressed) L3009 VTX1DP (Display is turned on) Pressure-welded flexible PWB of sub camera R1503 SECLK (Backlight ON: Key is pressed) L3010 VTX1DN (Display is turned on) PCLK R1504 SEDO (Backlight ON: Key is pressed)
Page 64: Schematic Diagram/Wiring Side Of P.w.board
902SH CONFIDENTIAL 902SH [4] Schematic diagram/Wiring side of P.W.Board MAIN PWB-A(1/6) RECEPTION SIGNAL TRANSMISSION SIGNAL VDIG275_M VCORE15_M RA1000 RA1001 RA1002 C1011 5-11 (1-F) C1013 C1014 C1015 C1016 C1005 C1006 C1007 C1008 C1009 C1010 C1012 SDDET_N CHGBYPASS_N 5-9 (2-D) RA1003 VMEM18...
Page 65 902SH CONFIDENTIAL 902SH MAIN PWB-A(2/6) RECEPTION SIGNAL VDIG275 TRANSMISSION SIGNAL TP1228 TP1213 R1262 220K 5-8 (12-E) TP1217 TP1220 M_I2CDAT 5-9 (3-F) M_I2CCLK C1260 5-17 (6-C) Q1214 Q1215 R1266 PWRRST_N 5-8 (12-C) TP1221 EC4404 C EC4404 C TP1218 5-8 (12-E) ONSWC...
Page 66 902SH CONFIDENTIAL 902SH MAIN PWB-A(3/6) VDIG29 RECEPTION SIGNAL SPEAKER SIGNAL R1558 SYSCLK1 IC1502 5-17 (1-A) 5-13 (2-D) VBATIB VBATIB BU7876GL VDIG275 5-8 (12-D) R1554 C1520 INFRARED R1555 REMOTE LED1503 TP1500 GP2W3240 C1542 Tx CONTROLLER R1556 C1525 TP1501 CLKI DOUT TXD-RC...
Page 67 902SH CONFIDENTIAL 902SH MAIN PWB-A(4/6) RECEPTION SIGNAL TRANSMISSION SIGNAL SPEAKER SIGNAL C1620 C1632 VDIG29 SUROUNDSW C1650 R1636 0.022 C1677 C1601 0.0047 0.0047 SPATIALIZER C1602 C1678 IC1603 AN12974A AGC STEREO AMP. C1605 C1679 0.001 0.001 R1660 5-7 (1-B) 100K AGCONOFF AGC ON/OFF...
Page 68 902SH CONFIDENTIAL 902SH MAIN PWB-A(5/6) RECEPTION SIGNAL TRANSMISSION SIGNAL C222 560P C601 R603 0.01 C223 330P C602 22P(CH) L203 68nH GNDIFLO XOOC VTUNEIF GNDVCO GNDRFPLL VTUNE XOOB RXON PHDRFOUT TXOHB C704 22P(CH) VCCIFVCO GNDRF VCCIFLO PHDOUT GNDIFVCO GNDRFLO C703 TXOHA 0.01...
Page 69 902SH CONFIDENTIAL MAIN PWB-A(6/6) RECEPTION SIGNAL R151 VDIG275 C156 5-12 (11-A) 0.01 R140 C144 C143 100K 0.068 0.068 GPA6 MICI N GPA7 IC101 GPA5 AB1011 5-8 (7-F) QDATA GSM CODEC QDAT 5-8 (12-E) DACSTR BEARP 5-9 (3-A) 5-9 (3-F) PCMSYN...
Page 70 CONFIDENTIAL 902SH MAIN PWB-A IC501 IC620 IC800 IC1204 IC1504 PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE PIN NO. VOLTAGE Not Connected 3.84V 2.80V 1.50V 0.00V 1.81V 0.00V 2.15V 1.66V 1.80V 4.20V 2.93V Approx.1.35V...
Page 71 902SH CONFIDENTIAL MAIN PWB-A (FRONT SIDE) MIC200 To DISPLAY PWB-B MICROPHONE (REAR SIDE) CN3001 5-25 (3-H) LED1503 INFRARED DORT COAXIAL CABLE (161) HINGE_A HINGE_B MIC200 (106-7) (106-7) MIC201 CN902 C1258 IC1209 CN1501 COAXIAL R1260 R1240 CONNECTOR R1127 C1053 R1121 C1052...
Page 72 CONFIDENTIAL 902SH MAIN PWB-A (REAR SIDE) BUILT-IN AERIAL BUILT-IN AERIAL TERMINAL ANT901 R1570 R901 C902 IC1502 L907 R1679 L906 5-27 (3-C) C905 R1627 R1545 R1550 L904 FROM C900 Q1602 R1630 IC1401 SD P.W.B. R1548 R1635 CONNECT C1610 L908 C1600 CA1521...
Page 73 902SH CONFIDENTIAL 902SH DISPLAY PWB-B RECEPTION SIGNAL SPEAKER SIGNAL SPEAKER FPC VUDIG29 VUDIG18 R3059 PWB-G VUDIG29 VCCR MR SENSOR SP2001 VUDIG29 STEREO SPEAKER (R) R3054 R3001A FLIP_R SP-R2 R3053 R3000A SP2000 SP-R2 SP-R1 R3052 R3003A SP-R1 STEREO SP-L2 R3051 R3002A...
Page 74 902SH CONFIDENTIAL 902SH SD PWB-C VBATIB CAMERA UNIT PWB-J R2010 VBATIB VROUT IC2001 R1161D291D C2016 R2021 C2020 SD POWER R2023 CONTROL TP2026 VDOUT SDEN IC2004 C2000 XC640231 TP2003 TP2005 CN2002 REGULATOR L2005 VRX2CKP GND(DRIVER) 82nH ZMPEN R2014 L2006 VRX2CKN 82nH...
Page 75 902SH CONFIDENTIAL EP1000 EARPIECE TP3055 TP3054 DISPLAY PWB-B (FRONT SIDE) TP3005 TP3033 TP3012 TP3004 TP3003 TP3037 TP3032 TP3036 TP3064 TP3031 TP3066 TP3051 TP3056 TP3065 TP3058 TP3061 TP3057 TP3025 TP3067 TP3062 TP3063 TP3068 TP3060 This PWB employs lead-free solder. 5-27 (3-D)
Page 76 CONFIDENTIAL 902SH TP2013 TP2012 SD PWB-C TP2010 TP2009 (FRONT SIDE) R2024 5-27 (2-C) FROM TP2023 R2012 SD P.W.B. CONNECT FPC TP2022 PWB-H TP2014 FS2001 TP2015 TP2017 TP2019 TP2020 CN2001 MEMORY CARD CONNTCTOR R2003 R2022 R2000 R2006 R2001 This PWB employs lead-free solder.
Page 77 902SH CONFIDENTIAL SUB CAMERA UNIT SPEAKER FPC PWB-D PWB-G 5-25 (5-G) To DISPLAY PWB-B (REAR SIDE) CN3003 BAT1200 BACK-UP BATTERY SP2000 SP2001 STEREO SPEAKER STEREO SPEAKER To DISPLAY PWB-B (REAR SIDE) 5-25 (3-E) SD P.W.B. CONNECT FPC PWB-H CAMERA UNIT...
Page 78: Chapter 6. Others
CONFIDENTIAL 902SH Phone 902SH Service Manual Service Manual Market CHAPTER 6. OTHERS [1] Function table of IC IC100 (OM5952AET): RECEIVER/TRANSMISSION IC FOR GSM Pin No. Terminal name Input/Output Description of terminal RFHD Input GSM 1,900 MHz RF input RFHC Input...
Page 79 902SH CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal XOOC Input XO input B – Not used In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. RFHA RFHB 1,800 MHz...
Page 80 CONFIDENTIAL 902SH Pin No. Terminal name Input/Output Description of terminal GPA1 – Internally connected, high impedance (floating) (Not used) – GPA0 – Internally connected, high impedance (floating) (Not used) DACDAT – Internally connected to earth (pull-down) DACCLK – Internally connected to earth (pull-down) DAC01 –...
Page 81 902SH CONFIDENTIAL GPA0 GPA4 GPA6 MCLK GPA3 GPA7 ADSTR PCMUL PCMDL GPA1 GPA2 GPA5 GPDAT PCMCLK PCMSYN DCLK QDAT GPCLK BEARP BEARN IDAT RXSTR DACSTR AUXI1 AUXO2 DAC03 DAC02 DAC01 I2CDAT REXT MICIP DEC3 DEC4 DACCLK RESETB DEC1 DEC2 DACDAT...
Page 82 CONFIDENTIAL 902SH IC400 (OM5954ET): RECEIVER IC FOR W-CDMA Pin No. Terminal name Input/Output Description of terminal IFOUTA Output IF output A (balanced) GNDMIX – Earth for RF mixer VCCIF – Supply for IF IFINA Input IF input A (balanced) IFINB...
Page 83 902SH CONFIDENTIAL VCCRF INDBYP 2,140 MHz GNDBIAS GNDBYP RFIN RFOUT VCCMIX GNDEME GNDMIX GLNA From Bus MIXINA IFOUTA IFOUTB MIXINB VCCLF GNDLF 190 MHz IFINA IFINB VCCIF GNDIF REFON XOOON CURR. REG. LOGIC RXON VCCBUS IFLOA GNDBUS IFLOB VCCVCO DATA...
Page 84 CONFIDENTIAL 902SH IC620 VHIM1820XCP-1L (MAX1820XEBC): DCDC Pin No. Terminal name Input/Output Description of terminal /SKIP Input PWM/Skip-mode input COMP – Compensation Input Output voltage sense input Input External reference input – Earth PGND – Power earth Output Inductor connection BATT...
Page 85 902SH CONFIDENTIAL IC700 (OM5955ET): W-CDMA TRANSMITTER IC Pin No. Terminal name Input/Output Description of terminal QINBAR Input Negative quadrature phase input signal Input Positive quadrature phase input signal IINBAR Input Negative in phase input signal Input Positive in phase input signal VCCBB –...
Page 86 CONFIDENTIAL 902SH Reconstruction IQ-modulator IF BP RF-mixer and RF buffer filters Filter TXON TXON RECDCI RFBIAS IINBER LPBW TXON OUTBAR GNDRFLO IQGAIN RFLOON TXON QINBAR LOINTEXT RECDCQ TXON BUFFGAIN VGAGAIN QVGAGAIN BUFFGAIN2 RFLO GAINMETH TXON VCCIFLO RFLOBAR IF PLL GNDIFLO...
Page 87 902SH CONFIDENTIAL IC1001 VHIBGB202++-1L (BGB202): BLUETOOTH Pin No. Terminal name Input/Output Description of terminal – Earth Input/Output Aerial input/output – Earth – Earth – Earth – Earth – Earth – Earth – Earth – Earth – Earth – Earth –...
Page 88 CONFIDENTIAL 902SH Pin No. Terminal name Input/Output Description of terminal – Earth – Earth IC1100 (LHF65NZ1): FLASH MEMORY 1 Pin No. Terminal name Input/Output Description of terminal – Not used – Not used – Not used – Not used Input...
Page 89 902SH CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal Input/Output Data input/output Input/Output Data input/output Input/Output Data input/output DQ12 Input/Output Data input/output DQ14 Input/Output Data input/output Input/Output Data input/output F2-/OE Input Output enable input (flash) /S-CS1 Input (Not used)
Page 90 CONFIDENTIAL 902SH IC1101 (MB82R6A5C): FLASH MEMORY 2 Pin No. Terminal name Input/Output Description of terminal – Not used – Not used – Not used – Not used – Not used – Not used – Not used – Not used –...
Page 91 902SH CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal CE2s Input SRAM chip enable (high active) Input/Output Least significant byte data input/output Input FCRAM clock input Input Address input – Not used – Not used /CE1f_1 Input FCRAM chip enable (low active)
Page 92 CONFIDENTIAL 902SH VDDf_1 VDDQf_1 VSS A22 to A0 /WAIT /CE1f_1 128 M bit FCRAM_1 CE2f_1 VDDf_2 A21 to A0 /CE1f_2 CE2f_2 64 M bit /ADV FCRAM_2 DQ16 to DQ1 VDDS A18 to A0 8 M bit SRAM CE1s CE2s IC1202 VHITK73840G-1L (TK73840BDB): REGULATOR Pin No.
Page 93 902SH CONFIDENTIAL IC1300 VHIBU7880GU-1L (BU7880GU): EXTERNAL INTERFACE Pin No. Terminal name Input/Output Description of terminal UART_RXD1 Output UART_RXD1 output BDATA Input BDATA input UART_RTS Input UART_RTS input UART_TXD1 Input UART_TXD1 input SCLK Input SCLK input BSYNC Input BSYNC input UART_RXD2...
Page 94 CONFIDENTIAL 902SH BU7880GU UART_RXD1 BSSEL MODE 0, 2, 3, 4: L MODE 1: H CPUVDD CPUVDD UART_RXD2 UARTSEL MODE 0, 1, 4: L MODE 2, 3: H CPUVDD VBAT VBAT UARTMD MODE 0 MODE 1 CPUVDD MODE 2 H : ON...
Page 95 902SH CONFIDENTIAL IC1303 VHIXC621933-1L (XC6219C332DR): 3.3 V REGULATOR Pin No. Terminal name Description of terminal Power supply input Not used VOUT Output Not used Earth ON/OFF control In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Page 96 CONFIDENTIAL 902SH Pin No. Terminal name Input/Output Description of terminal Input LDO_3 enable terminal Input LDO_2 enable terminal Input LDO_5 enable terminal CREF – Reference voltage capacitor connection terminal Input Low Power Mode signal input MODE Input Output PchMOS slew mode signal input PGND –...
Page 97 902SH CONFIDENTIAL IC1600 VHIYMU783C+-1L (YMU783C): MOBILE AUDIO Pin No. Terminal name Input/Output Description of terminal – Not used GPIO3 Input/Output GPIO port GPIO1 Input/Output GPIO port BCLK Input/Output BIT clock for external audio input Input/Output CPU interface data bus 7...
Page 98 CONFIDENTIAL 902SH Pin No. Terminal name Input/Output Description of terminal – Not used Capacitance connection terminal for R-ch bus boost (0.1 µF) – VREF – Analogue reference voltage terminal EXTOUT Output External analogue output terminal (Not used) – Not used...
Page 99 902SH CONFIDENTIAL IC1603 (AN12974A): AGC STEREO AMP. Pin No. Terminal name Input/Output Description of terminal – Surround filter terminal R-ch 1 – Surround filter terminal R-ch 2 – (Analogue signal) Output Surround output R-ch – (Analogue signal) Output Inverting amplifier output R-ch for gain adjustment –...
Page 100 CONFIDENTIAL 902SH IC1700 VHIAK4569++-1L (AK4569): PCM CODEC Pin No. Terminal name Input/Output Description of terminal Input Power down pin When this pin is set at “L”, the device is powered down internally and reset. When the power is turned on, input “L” once.
Page 101 902SH CONFIDENTIAL IC1701 VHIMM1671XN-1R (MM1671XN): VIDEO AMP. Pin No. Terminal name Description of terminal Power save Signal output Sag correction Signal input Earth VCC (V+) Power supply Top View 6 – 24...
Page 102 CONFIDENTIAL 902SH IC2001 VHIR116129D-1L (R1161D291D): SD POWER CONTROL Pin No. Terminal name Description of terminal VDD (VIN) Input pin Not used VOUT Output pin High speed, low power switch Earth /CE or CE Chip enable pin In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Page 103 902SH CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal – Test pin (connected to T2) Output Boost DC/DC switching pin VBATP – Boost DC/DC driver power supply pin REG1CNT Input REG1 control pin VPLUS12 Input Boost DC/DC voltage detection pin...
Page 104 CONFIDENTIAL 902SH IC2005 RH-IXA021AFZZL (BD6015GU): COMPOUND POWER SUPPLY 1 Pin No. Terminal name Input/Output Description of terminal – Dummy pin LEDG Output Green LED drive output pin GND1 – Earth VBAT1 – VBAT power supply pin LSO11 Output Level shift output 1 (Not used)
Page 105 902SH CONFIDENTIAL LEDG GND1 VBAT1 LSO11 LSO12 WVOUT TEST LEDR LEDB TRSW CAPP1 CAPN1 SENSP SENSN CAP3 CPIN CAPP2 VPLUS2 CAPN2 GND3 STRB VPLUS12 CAMP DATA IREF VREF LEDCTL ERROUT FLED GND2 VNEG CAMN RSTB BLED GNDP VBAT2 VPLUS11 VBAT2...
Page 106 CONFIDENTIAL 902SH IC3000 (LR38866): DISPLAY CONTROLLER Pin No. Terminal name Input/Output Description of terminal DUMMY4 – Dummy 4 VDDCORE – Power supply BSPIXEL3/NDATA3 TYBUF03P (A) BS: external BitStream data bus NTSC: NTSC encoder output BSPIXEL5/NDATA5 TYBUF03P (A) BS: external BitStream data bus...
Page 107 902SH CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal SUBDB6 TYBUF04P Sub Display data bus (STN/TFT control) (Not used) SUBLPIN TYBUF02P Sub Display LP signal (STN control) – Not used PLLDIV1 TYBUF04P PLL multiplication ratio switching signal XIN/SCANCK TYBUF02S...
Page 108 CONFIDENTIAL 902SH Pin No. Terminal name Input/Output Description of terminal RDATA2 TYBUF04P Main Display panel R output signal RDATA3 TYBUF04P Main Display panel R output signal RDATA4 TYBUF04P Main Display panel R output signal – Earth SCANEN TYBUF02P_PD Full scan valid signal...
Page 109 902SH CONFIDENTIAL Pin No. Terminal name Input/Output Description of terminal SE_CK/PORT1 TYBUF04P Four-wire serial IF clock output/general purpose output 165* SE_LD2/PORT3 TYBUF04P Four-wire serial IF load signal 2/general purpose output (Not used) VDDIOC – Power supply 167* PWM1/PORT8 TYBUF04P PWM output 1/general purpose output (Not used)
Page 110: Function Table Of Display
CONFIDENTIAL 902SH [2] Function table of Display Terminal Input/Output Description of terminal name Main Display (LCD3000: RLCUBA017AF02) – Booster capacitor connection Terminal Input/Output Description of terminal terminal name – Booster capacitor connection T-COM Input COM electric potential input for terminal –...
Page 111 902SH CONFIDENTIAL Sub Display (LCD2000: RLCUBA016AFZZ) Terminal Input/Output Description of terminal SUB DISPLAY name SDIN Input Serial data input SCLK Input Serial clock input DC_B Input Data/command selection input SCEB Input Chip enable RESET_B Input Reset input – MPU power supply terminal VLCD –...
Page 112: Parts Guide
902SH CONFIDENTIAL PARTS GUIDE No. S0422JNJ300/W 3G(UMTS)/GSM/GPRS PHONE 902SH MODEL CONTENTS [1] DIODES [4] ACCESSORIES/PACKING PARTS [2] OTHER CIRCUITRY PARTS [5] P.W.B. ASSEMBLY [3] CABINET PARTS [6] OTHER SERVICE PARTS Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
Page 113 902SH CONFIDENTIAL PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] DIODES LED120 VHPBRPY121F-1L LED,Green/Red,BRPY121F LED200 VHPGM56281A-1L LED,Red/Green/Blue,GM56281A LED200 VHPNECW008A-1L LED,White,NECW008A [2] OTHER CIRCUITRY PARTS ANT901 QCNTAA019AFZZN Terminal,Aerial BAT120 RDNTL0017AFZZ Battery,Back-up CN061 QCNCW947FAFZZL Terminal,Bluetooth Aerial CN901 QCNCW878AAFPZL Connector,Coaxial CN902 QCNCMA47AAFZZL...
Page 114 CONFIDENTIAL 902SH [3] CABINET PARTS 603x2 106-10 (LCD2000) 106-1 102-1 106-3 156 (VIB001) (SP2000) SD PWB-C (SP2001) 106-12 106-2 (PWB-D) 106-11 PWB-B 106-5 (PWB-H) (PWB-G) (BAT1200) 106-9 106-4 MAIN PWB-A (PWB-F) 106-6 106-7x2 106-8 (LCD3000) 106-13x2 606x2 (PWB-E) (EP1000) (MIC201)
Page 115 902SH CONFIDENTIAL PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] CABINET PARTS DCABAW169AFSE Front Cabinet (Display) Assembly 101- 1 GMADIA049AFSA Panel,Main Display DCABBW169AFSC Back Cabinet (Display) Assembly [C] DCABBW169AFSE Back Cabinet (Display) Assembly(Except for C,F,K,U DCABBW169AFSF Back Cabinet (Display) Assembly [F]...
Page 116 CONFIDENTIAL 902SH PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] CABINET PARTS PSHEZA388AFZZ Sheet,Top Belt PSHEZA395AFZZ Sheet,Display PWB PSHEZA396AFZZ Kapton,Display PWB PSLDMA111AFZZ Sheet,Shield PSPAZA037AFZZ Spacer,PWB RDNTL0017AFZZ Battery,Back-up (BAT1200) RLCUBA017AF02 Main Display (LCD3000) RMICCA007AFZZ Microphone (MIC200,201) RMOTVA004AFZZ Vibrator (VIB001) RPHODA007AFZZ...
Page 117 902SH CONFIDENTIAL [4] ACCESSORIES/PACKING PARTS 12,14,16 ([T] Only), 17,18,19,30 ([B] Only) 27 ([C,EP,F,K,U] Only) 15 ([F] Only) 7, 11,26 Phone 22 ([Z] Only) 29 ([B] Only) 23 ([U] Only) 20 ([B,E,EP,D] Only) 21 ([G,GP,H] Only) AC Charger RADPTA010AF01 RADPTA009AF01 RADPTA011AF01...
Page 118 CONFIDENTIAL 902SH PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [4] ACCESSORIES/PACKING PARTS GFTABA018AFSB Battery Cover (Except for [C,F,U]) GFTABA028AFSA Battery Cover [C,F,U] QPLGJA005AFZZ Video Cable (Except for [C,F,U]) QPLGJA006AFZZ Video Cable [C,F,U] RADPTA009AF01 AC Charger B,C,D,F,G,GP,H,K,P,PP,S,T,U,W(XN-1QC91) RADPTA010AF01 AC Charger [E,EP,R] (XN-1QC90)
Page 119 902SH CONFIDENTIAL PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] P.W.B. ASSEMBLY PWB-B/ DHAIZW169AFSE Display/Sub Camera Unit PWB-E CUITKA007AFZZ Key FPC Unit PWB-F CUITKA009AFZZ LED FPC Unit PWB-G RUITKA005AFZZ Speaker FPC PWB-H RUITKA006AFZZ SD P.W.B. Connect FPC [6] OTHER SERVICE PARTS...
Page 120 CONFIDENTIAL 902SH INDEX – MEMO –...
Page 121 CONFIDENTIAL 902SH © COPYRIGHT 2004 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

Sharp 902SH Service Manual

Servicing Concerns

Chapter 1. General Description

Chapter 2. Adjustments

CHAPTER 3 Disassembly and Reassembly

CHAPTER 4. DIAGRAMS Block Diagram

Chapter 5. Schematic Diagram and Wiring Side of P.w.board

Chapter 6. Others

Parts Guide

Quick Links

Summary of Contents for Sharp 902SH

Page 1: Table Of Contents

Page 2: Servicing Concerns

Page 4: Chapter 1. General Description

Page 6: Names Of Parts

Page 8: List Of Menu Functions

Page 9: Chapter 2. Adjustments

Page 26: Test Points

Page 33: Troubleshooting

Page 49: Servicing Concerns

Page 54: Precautions For Installing The Thin Coaxial

Page 56: Chapter 4. Diagrams Block Diagram

Page 58: Chapter 5. Schematic Diagram And Wiring Side Of P.w.board

Page 59: Waveforms Of Circuit

Page 64: Schematic Diagram/Wiring Side Of P.w.board

Page 78: Chapter 6. Others

Page 110: Function Table Of Display

Page 112: Parts Guide

Sharp 902SH Service Manual

Servicing Concerns

Chapter 1. General Description

Chapter 2. Adjustments

CHAPTER 3 Disassembly and Reassembly

CHAPTER 4. DIAGRAMS Block Diagram

Chapter 5. Schematic Diagram and Wiring Side of P.w.board

Chapter 6. Others

Parts Guide

Quick Links

Related Manuals for Sharp 902SH

Summary of Contents for Sharp 902SH

Table of Contents