Sharp DV-550U Service Manual
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Sharp DV-550U Service Manual

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POWER
DVD / VIDEO CD / CD
LEVEL
OFF
ON
IN
MAX
PHONES
COMPACT
DOLBY
DIGITAL VIDEO
D I G I T A L
V I D E O
1. IMPORTANT SAFEGUARDS AND PRECAUTIONS ......................................................................1-1
2. FEATURES/3. SPECIFICATIONS .................................................................................................. 2-1
4. PART NAMES ................................................................................................................................. 4-1
5. MAINTENANCE CHECK ITEMS AND EXECUTION TIME ............................................................ 5-1
6. DISASSEMBLY AND REPLACEMENT OF MAIN PARTS ............................................................. 6-1
7. EXPLANATION OF MECHANISM .................................................................................................. 7-1
8. OPERATION OF PICKUP ............................................................................................................... 8-1
9. TEST MODE ................................................................................................................................... 9-1
10. EXPLANATION OF OPERATION AT THE SYSTEM START ...................................................... 10-1
11. TROUBLESHOOTING .................................................................................................................. 11-1
12. IC FUNCTION LIST ....................................................................................................................... 12-1
13. SEMICONDUCTOR LEAD IDENTIFICATION .............................................................................. 13-1
14. BLOCK DIAGRAM ........................................................................................................................ 14-1
15. WIRING DIAGRAM ....................................................................................................................... 15-1
16. SCHEMATIC DIAGRAMS ............................................................................................................. 16-1
17. PRINTED WIRING BOARD ASSEMBLIES ................................................................................... 17-1
18. REPLACEMENT PARTS LIST ...................................................................................................... 18-1
19. PACKING OF THE SET ................................................................................................................ 19-1
SHARP CORPORATION
SERVICE MANUAL
DVD VIDEO PLAYER
DIGITAL
DIGITAL
GAMMA
S PICTURE
MODEL
In the interests of user-safety (Required by safety regula-
NTSC
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
1
S38O3DV-550U/
DV-550U
Page
DV-550U
Table of Contents
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  • Page 1: Table Of Contents

    DV-550U SERVICE MANUAL S38O3DV-550U/ DVD VIDEO PLAYER DIGITAL DIGITAL POWER DVD / VIDEO CD / CD LEVEL GAMMA S PICTURE PHONES DV-550U COMPACT DOLBY MODEL DIGITAL VIDEO D I G I T A L In the interests of user-safety (Required by safety regula-...

  • Page 2: Important Safeguards And Precautions

    DV-550U 1. IMPORTANT SAFEGUARDS AND PRECAUTIONS IMPORTANT SERVICE NOTES BEFORE RETURNING THE VIDEO CASSETTE etc.) and measure the AC voltage drop across the RECORDER resistor. Reverse the AC plug on the set and repeat AC voltage measurements for each exposed part.
  • Page 3 DV-550U * * * DRAFT * * * NOTE TO SERVICE PERSONNEL–LASER RADIATION PRECAUTIONS This DVD video player use a laser pickup that emit a laser beam. The laser emitted from a pickup is a class II a laser and harmful to the eyes.
  • Page 4 DV-550U 2. FEATURES • Plays DVD, video CD and CD (Digital Audio) discs • Built-Dulby Digital (AC-3) decoder supporting Dolby Pro Logic* decoding and Virtual Surround • For the audio on a DVD disc recorded in MPEG Version 2.0 format.

  • Page 5: Part Names

    DV-550U 4. PART NAMES For details on the use of each control. Remote Sensor...
  • Page 6 DV-550U...

  • Page 7: Maintenance Check Items And Execution Time

    DV-550U 5. MAINTENANCE CHECK ITEMS AND EXECUTION TIME MECHANICAL PARTS REGUIRING PERIODICAL INSPECTION Use the following table as a guide to maintain the mechanical parts in good operating condition. Maintained 1,000 hrs. 2,000 hrs. Parts Pickup Spindle Unit Sled Motor...

  • Page 8: Disassembly And Replacement Of Main Parts

    DV-550U 6. DISASSEMBLY AND REPLACEMENT OF MAIN PARTS 6-1. DISASSEMBLY 1. Remove five screws (A), and remove the cabinet. (A) x2 Note: When assembling it, tighten the screws in order of 1 - 5 . Top Cabinet (Because the set may rise a little by tightening the screws.) 2.
  • Page 9 DV-550U 6-2. REPLACEMENT OF MAIN PARTS · Removing the tray (emergency ejection) Tray Decoration Panel Removing the tray lock (set state) VIDEO Insert a thin plate into the hatching part, slowly move the it in the arrow direction so that the tray is moved out a little in the arrow direction.
  • Page 10 DV-550U (2) Remove the M2.6 screw C . (3) Holding aslant upward the mechanism chassis moving chassis assembly D in the arrow direction, remove. Note: The slide rack E must be moved to the left side as shown in diagram.
  • Page 11 DV-550U 7. Replacing the pickup Since the pickup optical axis and turntable inclination of DVD are adjusted with higher accuracy than th of CD/MD, make a replacement as a mechanism service chassis ass'y specified in Parts Guide. Mecha chassis Ass'y Caution: Do not attempt to adjust any control on the pickup.

  • Page 12: Explanation Of Mechanism

    DV-550U 7. EXPLANATION OF MECHANISM (1) Tray loading mechanism When the tray loading motor rotates counterclockwise, motion is transmitted to the slide rack D through the intermediate gear 1 A , intermediate gear 2 B and tray pinion C , resulting in insignificant motion in the arrow direction.

  • Page 13: Operation Of Pickup

    DV-550U 8. OPERATION OF PICKUP 8-1. CIRCUIT CONFIGURATION OF PICKUP The pickup unit reads signals from the disk, and the flexible cable is connected to the board. The following signals flow through the cable. 8-2. EQUIVALENT CIRCUIT OF PICKUP TR–...
  • Page 14 DV-550U 8-4-2. Focus drive signal (FO+, FO-) The signal drives the focus servo mechanism which aligns the focus on the bit of the disk by elevating OL (vertically against the disk surface.) Since an error of 67 µmP-P is produced by the turn table due to the surface run-out of ± 300 µm of the DVD disk, the error is reduced to ±...

  • Page 15: Test Mode

    DV-550U 9. TEST MODE Memory Test Mode Program version indicaiton. Video Test Mode Ordinary test pattern indication, and copy guard signal added test pattern indication are given. Mecha Test Mode Servo system initialization, tray opening and closing, laser, servo, continuous playback, jump test are performed.
  • Page 16 DV-550U Transition of test mode status Memory Test Test0 Key Systest( ) System( ) (0xF100) '3' Key Dinamic '1' Key Test SystemMode 0xF100-0xF1FF Memory Test '2' Key Model number Program version Region code microcode version Video Test Last Update display...
  • Page 17 DV-550U Transition of test mode status Video Test Test0 Key SysTest( ) System( ) (0xF100) '3' Key Dinamic '1' Key Test Memory '2' Key Test SystemMode Video 0xF201-0xF204 Test In Video Test mode, the color bar test pattern is first displayed and output, and the display data mode is changed every entry of PLAY key as shown in the right.
  • Page 18 DV-550U Transition of test mode status Dinamic Test Systest( ) Test0 Key (0xF100) System( ) '1' Key '2' Key '3' Key Memory Test Video SystemMode Dynamic Test Test 0xFC00-0xFDFF Test0 Key Servo Initialize Wait ErrDisplay0 ErrDisplay1 ErrDisplay0 ErrDisplay1 3000E000 EEEEEEEE...
  • Page 19 DV-550U SRV Step Test( ) Step Test Mode ex. DVD mode SRV Step Test( ) ErrDisplay0 ErrDisplay1 DD000200 00000000 DDT step 1 operation DDT step 1 operation ErrDisplay0 ErrDisplay1 ErrDisplay0 ErrDisplay1 Executed till focus of DDT is turned on. DD00E201...
  • Page 20 DV-550U SRVPlayTest( ) Continuous replay & jump mode SRV Play Test( ) In the continuous replay mode, the current sector ErrDisplay0 ErrDisplay1 DD000300 ******** address is displayed on ErrDisplay 1. Key Wait TR Jump command publication In SRV Play Test ( ), key is input and number of TR jumps is specified as follows.
  • Page 21 DV-550U Servo adjustment value reading-out mode During stop in DVD/CD/VCD mode, servo adjustment value reading-out mode is selected if Test 1 key (F1h) DVDOpe( ) CDOpe( ) is input. (0x4000) (0x1000) Test1 Test1 (F1h) After measurement is ended in the servo...
  • Page 22 DV-550U OSD adjustment value display 1. Press "FOh" key during disc replay. (Multiple press of S. PICTURE and STOP) 2. The following screen is displayed on OSD. 3. OSD display is turned off with "FOh" key. 1 2 3 4 5 6 7 8...

  • Page 23: Troubleshooting

    DV-550U 11. TROUBLESHOOTING FLOW CHART NO.1 POWER TROUBLESHOOTING(1) No power. Unplug the AC power cord. See FLOW CHART NO.2 POWER TROUBLE- Replug it a few minutes later. SHOOTING(2) Is the fuse good? Replace fuse. Check primary circuit,D9007,L9001,C9019,C9014 Is AT 5V voltage line normal? and C9013.
  • Page 24 DV-550U FLOW CHART NO.6 INFRARED R/C TROUBLESHOOTING No operation is possible from infrared remote control. Dose the infrared remote control function? Replace infrared remote control as required. Is the supply voltage of 5V fed to pin(3) of remote Check AT 5V and GND lines.
  • Page 25 DV-550U FLOW CHART NO.10 FOCUS TROUBLESHOOTING(2) Focus servo does not function. Check lines between at pin(27) of IC303 and all Is the FE waveform at pin(38) of IC707 present? the way up thru to pin(38) of IC707. Check the power circuit line of IC707.
  • Page 26 DV-550U Focus is not pointed. Does pickup move up Is FE signal output Check the line between IC303 and down? from IC707 (pin 38)? (pin 27) and IC707 (pin 38). Is FE signal measured Is FE signal output Check the line between IC303...
  • Page 27 DV-550U NO DVD VIDEO3 AND AUDIO BUT CD AUDIO OK Does opening screen come up. Check IC501. Is Vcc on pin 37. ATSV Is chip enable pin 26 low. IC504 pin 20. Change IC501. Check pin 148 of IC601 for data Chenge IC601.

  • Page 28: Ic Function List

    DV-550U 12. IC FUNCTION LIST 12-1. IC301 IX1461GE RF PRE AMP. Pin No. Terminal name Operation function RF signal input. Input of RF signal output of optical pickup. GND1 – Ground S/Dsel Single layer/dual layer selection signal input. RF signal input. Input of RF signal output of optical pickup.
  • Page 29 DV-550U 12-2. IC302 IX1463GE PHASE DIFFERENCE TRACKING ERROR SIGNAL GENERATION CIRCUIT Pin No. Terminal name Operation function A_GND – Ground 4-division detector B input. – – VrefIN Reference voltage input. 4-division detector C input. – – Iref Source setting current input for phase difference current conversion.
  • Page 30 DV-550U 12-3. IC303 IX1462GE RF SIGNAL PROCESSING Pin No. Terminal name Operation function TE BAL Control input to change the sub-beam subtraction ratio in case of 3-beam system tracking error (TE) signal generation. SBIN Sub-beam addition amp. reverse input. SBOUT Sub-beam addition amp.
  • Page 31 DV-550U Pin No. Terminal name Operation function EQIN DVD/CD-EQ input. EQOUT Output after passing of RFNIN and RFPIN VCA. DVDsel DVD/CD selection control input. H:CD L: DVD (PNP open space) RFGain RF signal VCA control input. VCC3 – RF system VCC.
  • Page 32 DV-550U Pin No. Terminal name Operation function Remarks TESIO0 Test input/output terminal. Usually fixed to “L”. P2VREF – PLL system 2VREF terminal. SPDO VCO center frequency shift terminal. PDOS EFM and PLCK signal phase error signal output terminal. (To be used when x8 speed operation is used) EFM and PLCK signal phase error signal output terminal.
  • Page 33 DV-550U Pin No. Terminal name Operation function Remarks FLGA FLGB FLGC FLGD – – General use I/O port. It is possible to select the input port and output port according to command. In case of input port the terminal state (H/L) can be read with the read command.
  • Page 34 DV-550U Pin No. Terminal name Operation function Remarks – Digital ground terminal. BUCK Microcomputer interface clock input terminal. Schmidt input /CCE Microcomputer interface chip enable signal input terminal. Schmidt input BUS0 to 3 is active in “L” state. TEST4 Test terminal.
  • Page 35 DV-550U 12-4-1. Block Diagram 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 DVDD 50 DMO 49 FVO DVSS 48 FMO 1Bit 47 TEBC...
  • Page 36 DV-550U 12-5. IC702 BA6796FP MOTOR DRIVER Pin No. Terminal name Operation function Pin No. Terminal name Operation function OPOUT Ope amp. output terminal CH2-OUT- CH2 Negative output terminal CH4-IN CH4 Input terminal CH2-OUT+ CH2 Positive output terminal CH4-IN’ CH4 Gain adjustment input terminal...
  • Page 37 DV-550U 12-6. IC501 IX1502GE FLASH Symbol Type Name and function Byte selection address: When the device is in the x8 mode, the low or high order byte is Input selected. It is not used in the x16 mode. (If BYTE# is high, DQ input circuit does not operate.)
  • Page 38 DV-550U 12-6-1. Block Diagram 8-15 Output Output Input Input Buffer Buffer Buffer Buffer I/O Logic BYTE# DATA QUEUE REGISTER Register Register ESRs Data Comparator Input Buffer Y-DECODER Y GATING/SENSING RY/BY# ADDRESS QUEUE Program Erase LATCHES Voltage Switch X-DECODER ADDRESS COUNTER 12-7.
  • Page 39 DV-550U 12-8. IC601 IX1475GE VIDEO/AUDIO DECODER Microcomputer interface terminal list Pin No. Pin name Type Direction Function Microcomputer interface Address bus input for microcomputer connection. HA[3:0] 24-26 Used for register access and so on HTYPE = L It works as HR/W#(read/write) input terminal for connection to Motorola HWR# type microcomputer.
  • Page 40 DV-550U Microcomputer / CD·subcode interface terminal list Pin No. Pin No. Pin name Pin name Type Type Direction Direction Function Microcomputer interface / CD·subcode interface When 16-bit bus width is selected, (HWID=low) HD15 It works as the microcomputer data bus of 15th bit.
  • Page 41 DV-550U PLL interface terminal list Pin No. Pin No. Pin name Pin name Type Type Direction Direction Function PLL interface GCLK1 Test terminal. Don’t connect it. If quartz oscillator is connected to GCLK terminal, connect the other terminal of quartz oscillator to this pin.
  • Page 42 DV-550U Video interface terminal list Pin No. Pin No. Pin name Pin name Type Type Direction Direction Function Video interface VCLK Clock gained by dividing VCLK x 2 signal into halves. Input terminal to switch video master/slave. VMASTER=L Video master mode. Video synchronizing signal and video clock are VMASTER internally generated.
  • Page 43 DV-550U DVD-DSP interface terminal list Pin No. Pin name Type Direction Function DVD-DSP interface Data error input for DVD-DSP connection. DVDERR Sector start input for DVD-DSP connection. DVDSOS Data valid input for DVD-DSP connection. DVDVALID Data strobe input for DVD-DSP connection.
  • Page 44 DV-550U Power terminal · other list Pin No. Pin No. Pin name Pin name Type Type Direction Direction Function Power terminal · other 1, 13, 23 40, 41 53, 68 80, 81 Ground terminal 93, 108 120, 121 125, 131...
  • Page 45 Port 6 Port G Port F V cc V cc /PO8/TIOCA0/DACK0 V cc /PO9/TIOCB0/DACK1 V cc /PO10/TIOCC0/TCLKA V cc /PO11/TIOCD0/TCLKB V ss /PO12/TIOCA1 V ss /PO13/TIOCB1/TCLKC V ss Clock oscillator /PO14/TIOCA2 V ss /PO15/TIOCB2/TCLKD V ss /PO0/TIOCA3 V ss /PO1/TIOCB3 V ss /PO2/TIOCC3 V ss...
  • Page 46 DV-550U 12-10. IC801~803 AUDIO D/A CONVERTER 12-10-1. Explanation of terminals Pin No. Terminal name Operation function Not connected. – System clock input. (256fs/384fs) SCKI TEST – Not connected. Be sure to open. Control data input. Enable terminal. * Control data input. Bit clock terminal . * Control data input.
  • Page 47 DV-550U 12-11. IC2002, IC2003 6.2dB 75Ω Driver 2.2KΩ 2.07KΩ 6.2dB 75Ω Driver 750Ω 2.2KΩ 2.07KΩ SAG correction terminal 12-12. IC402 IX1474GE DEM/ECC (DVD) Pin No. Terminal name I/O Operation function Remarks DPCK1 Signal processing reference clock input. 0.5-3.3Vp-p Feedback resistor built in.
  • Page 48 DV-550U Pin No. Terminal name I/O Operation function Remarks – User use is prohibited (N.C.) since it is for shipping adjustment. Open – – – – – – – TEST For shipping adjustment. Set to “L” PDON PLL phase error signal output. (Negative polarity) PDOP PLL phase error signal output.
  • Page 49 DV-550U Pin No. Terminal name I/O Operation function Remarks External RAM data bus. TTL level External RAM data bus. TTL level External RAM data bus. TTL level External RAM data bus. TTL level External RAM data bus. TTL level External RAM data bus.

  • Page 50: Semiconductor Lead Identification

    DV-550U 13. SEMICONDUCTOR LEAD IDENTIFICATION IC301 IC507 RH-iX1461GEZZ VHiBR93L46F-1 IC509 IC302 VHiPST600DM-1 RH-iX1463GEZZ IC304 IC704 RH-iX1531CEZZ IC602 RH-iX1468GEZZ IC401 RH-iX1484GEZZ IC702 VHBA6796FP-1 IC501 RH-iX1503GEZZ IC703 IC708 VHiBA10358F-1 IC502 IC801 IC802 IC803 RH-iX1481GEZZ VHiPCM1720E-1 IC503 RH-iX1479GEZZ IC201 VHiMC44722V-1 IC505 RH-iX1430CEZZ IC303...
  • Page 51 DV-550U IC2001 IC402 RH-iX1531CEZZ RH-iX1474GEZZ IC2002 IC2003 VHiNJM2268M-1 IC504 RH-iX1478GEZZ IC2102 VHiTC4W53F/-1 IC6001 IC6002 IC6003 IC6601 VHiNJM4560M-1 IC508 RH-iX1477GEZZ IC5001 VHiMN12510F-1 S H A R P IC601 IC9001 RH-iX1475GEZZ VHiT78DL09S-1 IC9002 VHiBA17808T-1 IC707 RH-iX1473GEZZ IC9003 VHiPQ15RW11-1 X501 RCRSC0019GEZZ X601 RCRSC0017GEZZ...
  • Page 52 DV-550U...

  • Page 53: Block Diagram

    DV-550U DV-550U 14. BLOCK DIAGRAM 14-1 14-2...

  • Page 54: Wiring Diagram

    DV-550U DV-550U 15. WIRING DIAGRAM REAR SIDE PWB PICKUP SECTION MAIN PWB MECHANISM SECTION DISPLAY PWB LED PWB SWITCH PWB HEADPHONES VOLUME PWB 15-1 15-2...

  • Page 55: Schematic Diagrams

    DV-550U 16. SCHEMATIC DIAGRAMS 16-1. MAIN (1) CIRCUIT SCHEMATIC DIAGRAM 16-1...
  • Page 56 DV-550U 16-2...
  • Page 57 DV-550U 16-2. MAIN (2) CIRCUIT SCHEMATIC DIAGRAM 16-3...
  • Page 58 DV-550U 16-4...
  • Page 59 DV-550U DV-550U 16-3. TERMINAL/POWER CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS 16-5 16-6...
  • Page 60 DV-550U DV-550U 16-4. DISPLAY/LED/OPERATE/VOLUME CIRCUIT SCHEMATIC DIAGRAM 16-7 16-8...
  • Page 61 DV-550U DV-550U 17. PRINTED WIRING BOARD ASSEMBLIES 17-1. MAIN (1) P.W.B. Z259 Z109 TP401 TP321 TP501 R7042 C721 R539 C725 Z117 TP546 X702 TP731 TP732 Z244 Z242 Z114 C7001 Z314 Z313 Z243 TP201 R760 C728 C519 C724 R518 TP202 R761...
  • Page 62 DV-550U DV-550U 17-2. MAIN (2) P.W.B. Z320 TP322 TP402 D703 C522 TP750 TP723 R717 TP751 TP722 Z143 R718 TP752 Z142 C704 IC509 TP708 C523 TP707 L301 C716 Z152 TP705 Z155 TP748 Z327 Z339 TP724 TP502 TP747 R723 TP703 TP728 R351...
  • Page 63 DV-550U DV-550U 17-3. TERMINAL/POWER P.W.B Component Side Wiring Side 17-5 17-6...
  • Page 64 DV-550U DV-550U 17-4. DISPLAY/OPERATE/LED/VOLUME P.W.B. DISPLAY Component Side DISPLAY Wiring Side OPERATE OPERATE VOLUME Component Side Wiring Side Component Side Component Side Wiring Side VOLUME Wiring Side 17-7 17-8...

  • Page 65: Printed Wiring Board Assemblies

    DV-550U 18. REPLACEMENT PARTS LIST/ Ref. No. Part No. Description Code Ref. No. Part No. Description Code EXPLODED VIEWS IC702 VHiBA6796FP-1 BA6796FP IC703 VHiBA10358F-1 BA10358F ELECTRICAL PARTS LIST IC704 RH-iX1531CEZZ MC14053F IC707 RH-iX1473GEZZ IX1473GE Parts marked with " å " are important for maintaining the safety of the set.
  • Page 66 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code L501 VP-NM470K2R0N Peaking 47µH C318 VCKYCY1CB104K 16V Ceramic L801 VP-NM470K2R0N Peaking 47µH C319 VCKYCY1CB104K 16V Ceramic C321 VCKYCY1CB104K 16V Ceramic CAPACITORS C322 VCKYCY1HB102K 1000p 50V Ceramic C201 VCKYCY1HB103K 0.01...
  • Page 67 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C415 VCKYCY1HB471K 470p 50V Ceramic C535 VCKYCY1HB103K 0.01 50V Ceramic C416 VCKYCY1HB103K 0.01 50V Ceramic C536 VCKYCY1HB103K 0.01 50V Ceramic C417 VCKYCY1CB104K 16V Ceramic C537 VCKYCY1HB103K 0.01...
  • Page 68 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C727 VCKYCY1HB103K 0.01 50V Ceramic R205 VRS-CY1JF820J 1/16W Metal Oxide AA C728 VCKYCY1HB103K 0.01 50V Ceramic R206 VRS-CY1JF820J 1/16W Metal Oxide AA C729 VCCCCY1HH101J 100p 50V Ceramic...
  • Page 69 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R313 VRS-CY1JF153J 1/16W Metal Oxide AA R424 VRS-CY1JF473J 47k 1/16W Metal Oxide AA R314 VRS-CY1JF104J 100k 1/16W Metal Oxide AA R426 VRS-CY1JF102J 1.0k 1/16W Metal Oxide AA...
  • Page 70 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R549 VRS-CY1JF102J 1.0k 1/16W Metal Oxide AA R718 VRS-CY1JF103J 10k 1/16W Metal Oxide AA R550 VRS-CY1JF820J 1/16W Metal Oxide AA R722 VRS-CY1JF472J 4.7k 1/16W Metal Oxide AA...
  • Page 71 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R813 VRS-CY1JF000J 1/16W Metal Oxide AA FB601 RBLN-0052TAZZ Balun R817 VRS-CY1JF102J 1.0k 1/16W Metal Oxide AA FB603 RBLN-0052TAZZ Balun R818 VRS-CY1JF000J 1/16W Metal Oxide AA FB802 RBLN-0076TAZZ...
  • Page 72 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code D6001 VHD1SS119//-1 Diode C2020 VCEAEA0JW107M 6.3V Electrolytic D9005 VHD15DF1FC/1E Diode C2021 VCEAEA0JW107M 6.3V Electrolytic D9006 VHD1SS244//-1 Diode C2022 VCCCCY1HH560J 50V Ceramic D9007 VHD31DQ04FC1E Diode C2033 VCEAEM0JW476M 6.3V Electrolytic...
  • Page 73 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code C9021 RC-KZ0029CEZZ Capacitor R2036 VRS-CY1JF473J 47k 1/16W Metal Oxide AA C9022 VCKYPA2HB221K 220p 500V Ceramic R2101 VRS-CY1JF151J 150 1/16W Metal Oxide AA C9023 RC-QZA333TAYJ Capacitor R2102 VRS-CY1JF103J...
  • Page 74 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code R6040 VRD-RA2BE562J 5.6k 1/8W Carbon Q5004 VS2SA1037KQ-1 Transistor R9001 VRD-RA2EE561J 560 1/4W Carbon Q5005 VSDTC124EK/-1 Transistor R9005 VRS-CY1JF103J 1/16W Metal Oxide AA Q6601 VS2SD1306-E1E Transistor R9009 VRD-RA2BE472J 4.7k 1/8W...
  • Page 75 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code MISCELLANEOUS PARTS R5009 VRS-CY1JF102J 1.0k 1/16W Metal Oxide AA R5010 VRS-CY1JF102J 1.0k 1/16W Metal Oxide AA CN8101 QSOCN0796REZZ Socket R5011 VRS-CY1JF102J 1.0k 1/16W Metal Oxide AA CN8102 QPLGN0280GEZZ...
  • Page 76 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code QCNW-7943GEZZ Extension Cable 11-pin FFC AQ SUPPLIED ACCESSORIES Mecha. to Main PWB ACCESSORIES å QACCD3024GEZZ AC Cord QPWBF5569GEZZ Connector PWB, 11-pin connector BK QCNW-1688TAZZ S Cable for QCNW-7943GEZZ...
  • Page 77 DV-550U MECHANISM EXPLODED VIEW Ref. No. Part No. Description Code Ref. No. Part No. Description Code Dry Coading Dry Coading Grease 1-10 Dry Coading 1-11 1-12 1-13 Grease Grease å Caution When touching the pickup, • wear an earth band to p revent breakage by static electricity.
  • Page 78 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code MECHANISM PARTS CCHSS0164GE01 Chassis Ass'y MSPRC0216GEZZ Rack Spring LX-HZ3037GEFD Screw(M2+6S P TAI) LX-BZ1003GEZZ Thrust Holding Screw LANGT9174GEFW Sled Motor Angle LCHSS0046GEZZ Moving Chassis LX-BZ3192GEZZ Screw(M1.4+3.5S) NGERR1009GEZZ Rack...
  • Page 79 DV-550U CABINET EXPLODED VIEW Ref. No. Part No. Description Code Ref. No. Part No. Description Code Caution: Tighten the screws in order of A to E . When tightening the screw E , be sure to press on the opposite angle of the section a of the upper cabinet 601 .
  • Page 80 DV-550U FRONT PANEL EXPLODED VIEW Ref. No. Part No. Description Code Ref. No. Part No. Description Code 501-6 501-8 501-3 501-7 501-2 Front Panel 501-5 501-4 : PS 18-16...
  • Page 81 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET PARTS LIST FRONT PANEL PARTS LIST GCABA3115GESF Top Cabinet CPNLC2455GEK1 KS Front Panel JBTN-2861GESC Power Button 501-2 JBTN-2862GESC Operation Button NSFTZ0199GEFW Shaft 501-3 HDECQ1795GESA Light Up Window...

  • Page 82: Packing Of The Set

    DV-550U 19. PACKING OF THE SET Ref. No. Part No. Description Code Ref. No. Part No. Description Code SPAKP0155GEZZ (Polyethylene Sack) RRMCG1138GESA (Remote Control) SPAKX1006GEZZ (Packing Add.) QACCD3024GEZZ (AC Cord) QCNW-1688TAZZ (S Cable) QCNW-7581GEZZ (A/V Cable) SSAKA0160CEZZ (Polyethylene Bag) TiNS-3343GEZZ...
  • Page 83 DV-550U Ref. No. Part No. Description Code Ref. No. Part No. Description Code 18-19...
  • Page 84 Code Ref. No. Part No. Description Code COPYRIGHT C 1998 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.

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