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20" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents..........................................................1
Revision List.................................................................2
Important Safety Notice...............................................3
1. Monitor Specification..................................................4
2. LCD Monitor Description........................................5
3. Operation Instruction............................................6
3.1 General Instructions.........................................6
3.2. Control Button......................................................6
3.3 Adjusting the Picture..........................................7
4. Input/Output Specification.......................................10
4.1.Input Signal Connector...........................................10
4.2.Factory Preset Display Modes.........................11
4.3.Panel Specification.........................................11
5. Block Diagram........................................................15
5.1.Software Flow Chart.........................................15
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
TABLE OF CONTENTS
Page
Description
5.2.Electrical Block Diagram..................................17
6.Schematic......................................................19
6.1Main Board.............................................19
6.2Power Board..............................................24
7. PCB Layout....................................................26
7.1. Main Board.........................................................26
7.2.Power Board..........................................29
7.3.Key Board..................................................30
8. Maintainability................................................31
8.1. Equipments and Tools Requirement.....................31
8.2. Trouble Shooting................................................32
9. White-Balance, Luminance adjustment...................38
10. Monitor Exploded View......................................39
11. BOM List...............................................................40
12. Different Parts List.................................................63
SAFETY NOTICE
1
Lenovo 9220-HB1
Horizontal Frequency
30-81 kHz
Page
Table of Contents
Related Manuals for Lenovo 9220-HB1
Summary of Contents for Lenovo 9220-HB1
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Page 1: Table Of Contents
20" LCD Color Monitor Lenovo 9220-HB1 Service Service Service Horizontal Frequency 30-81 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……....……...…..1 5.2.Electrical Block Diagram……………….…..…..17 Revision List.…......………....……..2 6.Schematic…………….......…..19 Important Safety Notice.………….…....……..3 6.1Main Board..........19 1. Monitor Specification.........………..4 6.2Power Board..……........24 2. LCD Monitor Description……………………………..5 7. -
Page 2: Revision List
20" LCD Color Monitor Lenovo 9220-HB1 Revision List Revision Date Revision History TPV Model TA5SMUDBDUH9NP TA5SMUDLDUH9NP Oct.-12-06 First Version Release TA5SMUDKDUH9NP TA5SMUDBDUH92P Nov.-13-06 Add new model TA5SMUDJDUH9NP Feb-08-07 Add new model in Item 12 TA5AMUDLDUH9NP TA5AMUDJDUH9NP May-14-07 Add new model in Item 12... -
Page 3: Important Safety Notice
20" LCD Color Monitor Lenovo 9220-HB1 Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. -
Page 4: Monitor Specification
20" LCD Color Monitor Lenovo 9220-HB1 1. Monitor Specifications Items Description Driving system TFT Color LCD Type SEC 20.1 PANEL Size 510mm (20 ") LCD Panel Pixel pitch 0.255mm (H) x 0.255mm (V) Viewable angle 178˚ (H) 178˚ (V) (R>10) -
Page 5: Lcd Monitor Description
20" LCD Color Monitor Lenovo 9220-HB1 2. LCD Monitor Description The LCD MONITOR will contain a main board, power board and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. -
Page 6: Operation Instruction
20" LCD Color Monitor Lenovo 9220-HB1 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The control buttons are located in the front of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. -
Page 7: Adjusting The Picture
20" LCD Color Monitor Lenovo 9220-HB1 3.3 Adjusting the Picture Adjustment steps:... - Page 8 20" LCD Color Monitor Lenovo 9220-HB1...
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Page 10: Input/Output Specification
20" LCD Color Monitor Lenovo 9220-HB1 4. Input/Output Specification 4.1 Input Signal Connector... -
Page 11: Factory Preset Display Modes
20" LCD Color Monitor Lenovo 9220-HB1 4.2 Factory Preset Display Modes 4.3 Panel Specification 4.3.1 Display Characteristics... - Page 12 20" LCD Color Monitor Lenovo 9220-HB1 4.3.2 Optical Characteristics...
- Page 13 20" LCD Color Monitor Lenovo 9220-HB1...
- Page 14 20" LCD Color Monitor Lenovo 9220-HB1 4.3.3 Parameter guide line for CCFL Inverter TFT LCD Module: Back Light Unit:...
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Page 15: Block Diagram
20" LCD Color Monitor Lenovo 9220-HB1 5. Block Diagram 5.1 Software Flow Chat... - Page 16 20" LCD Color Monitor Lenovo 9220-HB1 1) MCU initialize. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags.
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Page 17: Electrical Block Diagram
20" LCD Color Monitor Lenovo 9220-HB1 5.2 Electric Block Diagram 5.2.1 Main Board Crystal LCD Interface 24.576MHZ (CN407) (X401) Scalar MST9251A (Include ADC, OSD) MTV416GMV (U401) (U402) EEPROM OSD Control Crystal DVI-I D-Sub Interface M24C16 14.318MHZ Connector Connector (U403) (CN403) - Page 18 20" LCD Color Monitor Lenovo 9220-HB1 5.2.1 Power Board Bridge Rectifier AC input Transformer Rectifier diode EMI filte r and Filter Start Circuit: R906、R907 CN903 Feedback Over Voltage Control IC Circuit Protect ON/OFF Output Transformer Circuit MOSFET Lamp Feedback ON/OFF Control...
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Page 19: Schematic
20" LCD Color Monitor Lenovo 9220-HB1 6. Schematic 6.1 Main Board R147 1/16W C115 C120 C116 C121 C117 C122 C118 C123 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF D108 D109 DVI CONNECTOR D106 D107 D110 D111 D112 D113... - Page 20 20" LCD Color Monitor Lenovo 9220-HB1 +2.5V_DMQ +2.5V_DMC C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C317 C318 C319 C320 C321 C322 C323 C324 C325 22uF/50V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
- Page 21 20" LCD Color Monitor Lenovo 9220-HB1 KeyPad connector For AOC CN403 L401 VMCU For Bank Select Syntek 128kB LED_GREEN LED_ORANGE Issue 120 OHM KEY_ONOFF1 KEY_MENU1 VMCU KEY_DOWN1 KEY_UP1 L405 NC KEY_AUTO1 SOURCE_VOLUME+1 LM810M3-2.93V +3.3V_VDD DIO/MA730 VMCU VMCU POWER FOR MCU...
- Page 22 20" LCD Color Monitor Lenovo 9220-HB1 CONNECTOR for PANEL +3.3DV1 AVDD_PLL CN407 AVDD_PLL AVDDPLL2 VDD_MPLL +APLL For AOC LCD I/F- VDD_MPLL +3.3DV1 AVDDPLL2 6 +3.3DV2 TXA0- TXA0+ +APLL F/W default set Odd/Even Swap. TXA1- TXA1+ AVDD_DVI +3.3DV2 4/13/93 TXA2- TXA2+ +2.5MVDD...
- Page 23 20" LCD Color Monitor Lenovo 9220-HB1 CN701 ON/OFF +12V +12V BRIGHT +18V +18V +12V layout together Q601 CONN L601 +5V_PANEL 22UH C702 C701 C704 C768 +12V C703 C705 +5V_PANEL +18V 0.1uF 100uF/25V +VLCD C616 R612 0.1UF KY25VB100M 0.1uF 100uF/25V C617...
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Page 24: Power Board
20" LCD Color Monitor Lenovo 9220-HB1 6.2 Power Board R919 1/8W V12A R920 C913 1/8W 0.001uF MOSPEC20100 L903 T901 D910 73L-253-91L 1000uF / 25V PQ26/22.5 C914 BD901 C915 GBU4J R906 R904 R903 1/8W 1/8W 100K ... - Page 25 20" LCD Color Monitor Lenovo 9220-HB1 CN801 D801 SB240 4700uF/25V C801 +12V FSI4502 C803 Q801 4.7uF/1206 X5R R801 2.4K 0805 R802 ZD801 C802 CONN 33G8020-5D-U 1206 5.6V 104/0805 R827 Q803 ZD803 R803 ZD802 C805 0805 DTA144WKA RLZ9.1C ...
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Page 26: Pcb Layout
20" LCD Color Monitor Lenovo 9220-HB1 7. PCB Layout 7.1 Main Board... - Page 27 20" LCD Color Monitor Lenovo 9220-HB1...
- Page 28 20" LCD Color Monitor Lenovo 9220-HB1...
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Page 29: Power Board
20" LCD Color Monitor Lenovo 9220-HB1 7.2 Power Board... -
Page 30: Key Board
20" LCD Color Monitor Lenovo 9220-HB1 7.3 Key board... -
Page 31: Maintainability
20" LCD Color Monitor Lenovo 9220-HB1 8. Maintainability 8.1 Equipments and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual. -
Page 32: Trouble Shooting
20" LCD Color Monitor Lenovo 9220-HB1 8.2 Trouble Shooting 8.2.1 Main Board No power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the Adapter/Inverter section Measure U601 PIN1=1.8V... - Page 33 20" LCD Color Monitor Lenovo 9220-HB1 No picture (LED orange) No picture The button if X401 oscillate Replace X401 under control waveform is normal Check reset circuit of Check Correspondent component U402 is normal Measure U601 PIN1=1.8V U602 PIN1=5V Replace U402...
- Page 34 20" LCD Color Monitor Lenovo 9220-HB1 White screen White screen Measure Q702 base X401 oscillate waveform is normal is high level? Replace X401 Check Q702 and Q705 are Check reset circuit of broken or CN407 solder? U402 is normal Check Correspondent Check Correspondent component.
- Page 35 20" LCD Color Monitor Lenovo 9220-HB1 8.2.2 Power Board 1.) No power Check CN903 pin1, 2 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905 (+) Check bridge rectified circuit and F901 circuit...
- Page 36 20" LCD Color Monitor Lenovo 9220-HB1 2.) W / LED, No Backlight Check CN903 pin1, 2 = 12V Check adapter board Check ON/OFF signal Check Main Board Check IC801 pin5=5V Change Q803, Q805, Q806, ZD804 Check IC801 PIN18 have the output of sawtooth wave at short...
- Page 37 20" LCD Color Monitor Lenovo 9220-HB1 8.2.3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Replace Button Switch Is Button Switch normally? Replace Key Pad Board Is Key Pad Board normally?
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Page 38: White-Balance, Luminance Adjustment
6500 color temp. parameter is x = 313±18, y = 329±18, Y =180 cd/m 3. Enter into factory mode of 9220-HB1 Turn on power, press the MENU button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel. -
Page 39: Monitor Exploded View
20" LCD Color Monitor Lenovo 9220-HB1 10. Monitor Exploded View ITEM PART NO. DESCRIPTION QUANTITY ITEM PART NO. DESCRIPTION QUANTITY 34G1725-AFM-T 34G1728-FM-T STAND COVER 33G4852-1 34G1727-B6-T BASE COVER 20G037-1 BASE BRACKET 33G4925-B6-T 12G394-500-GP RUBBER FOOT 11G6081-1 M1-G-130-6-120 SCREW (M3 X 6) -
Page 40: Bom List
20" LCD Color Monitor Lenovo 9220-HB1 11. BOM List TA5SMUDBDUH9NP Location Part No. Description 005G6027 1 GATE LABEL 011G6081 1 SPACER SUPPORT 012G 404 1 SCREW RUBBER 015G8248 1 MAIN FRAME 033G4850AB6 T KEY PAD 033G4852 1 C POWER LENS... - Page 41 20" LCD Color Monitor Lenovo 9220-HB1 750GLSA1U11 11 SEC 20.1" PANEL 750GLSA1U1111M000X PANEL LCD LTM201U1-L01 A01(L01) SEC CBPC5SMUI6QP CONVERSION BOARD KEPCA90KI5P KEY BOARD PWPC2066SEI1P POWER BOARD Q34G1725 FMA1T 30 BEZEL(20") Q40G 20N608 8A Rating label Q40G 20N608 9A Rating label...
- Page 42 20" LCD Color Monitor Lenovo 9220-HB1 040G 457624 1B LABEL-CPU 040G 45762412B CBPC LABEL C610 067G215V101 4N KY25VB100M-CC3(6.3*11) C616 067G215V101 4N KY25VB100M-CC3(6.3*11) C704 067G215V101 4N KY25VB100M-CC3(6.3*11) C768 067G215V101 4N KY25VB100M-CC3(6.3*11) C609 067G215V221 4N KY25VB220-M-CC3 8*11.5MM C620 067G215V221 4N KY25VB220-M-CC3 8*11.5MM...
- Page 43 20" LCD Color Monitor Lenovo 9220-HB1 C745 067G215Y2207RV RUBYCON 50V 22UF C753 067G215Y2207RV RUBYCON 50V 22UF C769 067G215Y2207RV RUBYCON 50V 22UF C770 067G215Y2207RV RUBYCON 50V 22UF C772 067G215Y2207RV RUBYCON 50V 22UF C424 067G215Y2207RV RUBYCON 50V 22UF C317 067G215Y2207RV RUBYCON 50V 22UF...
- Page 44 20" LCD Color Monitor Lenovo 9220-HB1 C923 065G306M1022BP 1000PF Y1.CAP C921 065G306M4722BM 4700PF +-20% 400VAC C921 065G306M4722BP 4700PF +-20% 400VAC C920 067G215D821 4K 820UF,M,25V,4000HRS 105 C915 067G215D821 4K 820UF,M,25V,4000HRS 105 C905 067G215S15115K EC105C 150UF 450V C801 067G215S471 4K ED470UF 25V...
- Page 45 20" LCD Color Monitor Lenovo 9220-HB1 PT806 S80TL20T3V X'FMR PT805 S80TL20T3V X'FMR PT804 S80TL20T3V X'FMR PT803 S80TL20T3V X'FMR PT802 S80TL20T3V X'FMR PT801 S80TL20T3V X'FMR U602 056G 133 32 NS LM3485 MSOP-8 NS U601 056G 133 32 NS LM3485 MSOP-8 NS...
- Page 46 20" LCD Color Monitor Lenovo 9220-HB1 Q602 057G 763 1 A03401 SOT23 BY AOS(A1) Q707 057G 763 1 A03401 SOT23 BY AOS(A1) Q703 057G 763 3 AO4411 SO-8 Q601 057G 763 3 AO4411 SO-8 RN305 061G 125101 8 RST CHIP AR 8P4R 100 OHM +-5% 1/16W...
- Page 47 20" LCD Color Monitor Lenovo 9220-HB1 R155 061G0603100 0F RST CHIPR 100 OHM +-1% 1/10W R156 061G0603100 0F RST CHIPR 100 OHM +-1% 1/10W R157 061G0603100 0F RST CHIPR 100 OHM +-1% 1/10W R158 061G0603100 0F RST CHIPR 100 OHM +-1% 1/10W...
- Page 48 20" LCD Color Monitor Lenovo 9220-HB1 R115 061G0603102 RST CHIP 1K 1/10W 5% R147 061G0603102 RST CHIP 1K 1/10W 5% R148 061G0603102 RST CHIP 1K 1/10W 5% R163 061G0603102 RST CHIP 1K 1/10W 5% R180 061G0603102 RST CHIP 1K 1/10W 5%...
- Page 49 20" LCD Color Monitor Lenovo 9220-HB1 R309 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R714 061G0603104 RST CHIPR 100 KOHM +-5% 1/10W R710 061G0603104 RST CHIPR 100 KOHM +-5% 1/10W R401 061G0603104 RST CHIPR 100 KOHM +-5% 1/10W R146 061G0603104...
- Page 50 20" LCD Color Monitor Lenovo 9220-HB1 R405 061G0603472 RST CHIPR 4.7KOHM +-5% 1/10W R408 061G0603472 RST CHIPR 4.7KOHM +-5% 1/10W R409 061G0603472 RST CHIPR 4.7KOHM +-5% 1/10W R611 061G0603683 RST CHIPR 68 KOHM +-5% 1/10W R179 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W...
- Page 51 20" LCD Color Monitor Lenovo 9220-HB1 C425 065G0603104 32 CHIP 0.1UF 50V X7R C423 065G0603104 32 CHIP 0.1UF 50V X7R C434 065G0603104 32 CHIP 0.1UF 50V X7R C435 065G0603104 32 CHIP 0.1UF 50V X7R C436 065G0603104 32 CHIP 0.1UF 50V X7R...
- Page 52 20" LCD Color Monitor Lenovo 9220-HB1 C306 065G0603104 32 CHIP 0.1UF 50V X7R C305 065G0603104 32 CHIP 0.1UF 50V X7R C304 065G0603104 32 CHIP 0.1UF 50V X7R C303 065G0603104 32 CHIP 0.1UF 50V X7R C302 065G0603104 32 CHIP 0.1UF 50V X7R...
- Page 53 20" LCD Color Monitor Lenovo 9220-HB1 C401 065G0603220 31 CER1 0603 NP0 50V 22P PM C402 065G0603220 31 CER1 0603 NP0 50V 22P PM C138 065G0603221 32 CHIP 220PF 50V X7R C418 065G0603470 31 CHIP 47PF 50V NPO C419 065G0603470 31...
- Page 54 20" LCD Color Monitor Lenovo 9220-HB1 L712 071G 56K121 CHIP BEAD L713 071G 56K121 CHIP BEAD L714 071G 56K121 CHIP BEAD L715 071G 56K121 CHIP BEAD L716 071G 56K121 CHIP BEAD L720 071G 56K121 CHIP BEAD L404 071G 56K121 CHIP BEAD...
- Page 55 20" LCD Color Monitor Lenovo 9220-HB1 D115 093G 6433P BAV99 D116 093G 6433P BAV99 ZD107 093G 39P599 T MM3Z5V6B ZD108 093G 39P599 T MM3Z5V6B ZD109 093G 39P599 T MM3Z5V6B ZD116 093G 39P599 T MM3Z5V6B ZD115 093G 39P599 T MM3Z5V6B ZD114...
- Page 56 20" LCD Color Monitor Lenovo 9220-HB1 ZD115 093G 39S 34 T UDZS5.6B ZD116 093G 39S 34 T UDZS5.6B ZD106 093G 39S 34 T UDZS5.6B ZD105 093G 39S 34 T UDZS5.6B ZD104 093G 39S 34 T UDZS5.6B ZD101 093G 39S 34 T UDZS5.6B...
- Page 57 20" LCD Color Monitor Lenovo 9220-HB1 IC801 056G 608 7 OZT1060GN SOIC-20 Q805 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q808 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q809 057G 600 61 AM4502C-TI-PF S0-8 Q807 057G 600 61 AM4502C-TI-PF S0-8 Q801 057G 600 61 AM4502C-TI-PF S0-8...
- Page 58 20" LCD Color Monitor Lenovo 9220-HB1 R825 061G0603200 1F RST CHIPR 2 KOHM +-1% 1/10W R813 061G0603204 RST CHIPR 200 KOHM +-5% 1/10W R839 061G0603204 RST CHIPR 200 KOHM +-5% 1/10W R814 061G0603220 RST CHIPR 22 OHM +-5% 1/10W R820...
- Page 59 20" LCD Color Monitor Lenovo 9220-HB1 R810 061G0805475 0F RST CHIPR 475 OHM +-1% 1/8W R812 061G0805475 0F RST CHIPR 475 OHM +-1% 1/8W R819 061G0805475 0F RST CHIPR 475 OHM +-1% 1/8W R916 061G0805750 2F RST CHIPR 75 KOHM +-1% 1/8W...
- Page 60 20" LCD Color Monitor Lenovo 9220-HB1 C807 065G0603103 32 0.01UF +-10% 50V X7R C851 065G0603103 32 0.01UF +-10% 50V X7R C850 065G0603103 32 0.01UF +-10% 50V X7R C846 065G0603103 32 0.01UF +-10% 50V X7R C845 065G0603103 32 0.01UF +-10% 50V X7R...
- Page 61 20" LCD Color Monitor Lenovo 9220-HB1 C823 065G0805105 22 CHIP 1UF 25V X7R 0805 C912 065G0805105 22 CHIP 1UF 25V X7R 0805 C909 065G0805201 32 CHIP 200PF 50V MPO 0805 C822 065G0805221 31 220PF 50V NPO C826 065G0805472 31 CHIP 4700PF 50V X7R 0805...
- Page 62 20" LCD Color Monitor Lenovo 9220-HB1 PT804 006G 31502 1.5MM RIVET PT803 006G 31502 1.5MM RIVET PT802 006G 31502 1.5MM RIVET PT801 006G 31502 1.5MM RIVET NR901 006G 31502 1.5MM RIVET L904 006G 31502 1.5MM RIVET C905 006G 31502 1.5MM RIVET...
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Page 63: Different Parts List
20" LCD Color Monitor Lenovo 9220-HB1 12. Different Parts List Diversity of TA5SMUDKDUH9NP compared with TA5SMUDBDUH9NP Location Part No. Description 089G402A18NLSM POWER CORD Diversity of TA5SMUDLDUH9NP compared with TA5SMUDBDUH9NP Location Part No. Description 089G412A18NLSB POWER CORD Diversity of TA5SMUDBDUH92P compared with TA5SMUDBDUH9NP Location Part No. - Page 64 Part No. Description 015G8248 2 MAIN FRAME 089G412A18NLSB POWER CORD 095G8018 30684 WIRE HARNESS 750GLUA1N0211M000X PANEL LCD M201UN02 V5A LENOVO AUO 750GLUA1N0211N AU 20.1 V5 PANEL 750GLUA1N0212M000X PANEL LCD M201UN02 V5A LENOVO AUO 750GLUA1N0212N AU 20.1 V5 PANEL CBPC6AMUH9Q2P MAIN BOARD...
- Page 65 Description 015G8248 2 MAIN FRAME 095G8018 30684 WIRE HARNESS 095G801830X684 LVDS CABLE 30P-30P 180MM 750GLUA1N0211M000X PANEL LCD M201UN02 V5A LENOVO AUO 750GLUA1N0211N AU 20.1 V5 PANEL 750GLUA1N0212M000X PANEL LCD M201UN02 V5A LENOVO AUO 750GLUA1N0212N AU 20.1 V5 PANEL CBPC6AMUH9Q2P MAIN BOARD...