AOC LC32W063 Service Manual

31.5'' lcd tv
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31.5 LCD TV
Service
Service
Service
Description
Table of Contents............................................................1
Important Safety Notice...................................................2
Revision List.........................................................3
1. General Specification..................................................4
2. Operating Instructions............................................5
2.1 The Use of Remote Control...................................5
2.2 To Use the Menus..............................................6
2.3 How to Connect................................................16
2.4 Front Panel Control Knobs..................................18
3. Input/Output Specification.......................................19
4. Mechanical Instructions.........................................21
5. Repair Flow Chart ..............................................24
6. PCB Layout .......................................................30
6.1 Main Board.......................................................30
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
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

SAFETY NOTICE
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Page
Description
6.2 Power Board..................................................32
6.3 Inverter Board...............................................35
6.4 Key Board.....................................................36
6.5 IR Board.......................................................36
7. Adjustment.......................................................37
8. Block Diagram........................................................38
9. Schematic Diagram..........................................39
9.1 Main Board....................................................39
9.2 Power Board..................................................51
9.3 Inverter Board..............................................53
9.4 Key Board.....................................................54
9.5 IR Board........................................................55
10. Exploded View..............................................56
11. BOM List......................................................58
1
AOC LC32W063
Horizontal Frequency
31~48 KHz
Page

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Summary of Contents for AOC LC32W063

  • Page 1: Table Of Contents

    31.5 LCD TV AOC LC32W063 Service Service Service Horizontal Frequency 31~48 KHz TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 6.2 Power Board………………..…….…….………..32 Important Safety Notice........……..2 6.3 Inverter Board……………..…….…….………..35 Revision List…………………………………………………3 6.4 Key Board………………………..……..………..36 1. General Specification......……...…..4 6.5 IR Board………………………….……..………..36 2.
  • Page 2: Important Safety Notice

    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. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
  • Page 3: Revision List

    Revision List Version Release Date Revision Instructions TPV Model E32A2ZNKW3ACXNX May 17,2010 Initial Release E32A2ZNSW3ACXNX Sep.2,2010 Add new model E32A2ZNKW3ACNNX...
  • Page 4: General Specification

    1. General Specification Model LC32W063 800 mm diagonal (31.5” viewable) Panel size 1366 x 768 Resolution NTSC standard ATSC standard (8-VSB, Clear-QAM) TV system VHF: 2 through 13 UHF: 14 through 69 Cable TV: Mild band (A - 8 through A - 1, A through I)
  • Page 5: Operating Instructions

    2. Operating Instructions 2.1 The Use of Remote Control...
  • Page 6: To Use The Menus

    2.2 To Use the Menus...
  • Page 16: How To Connect

    2.3 How to Connect...
  • Page 18: Front Panel Control Knobs

    2.4 Front Panel Control Knobs...
  • Page 19: Input/Output Specification

    3. Input/Output Specification 3.1 RGB Signal Input 15 - Pin Color Display Signal Cable Pin No. Description Pin No. Description Red Video No Pin Green Video Sync Ground Blue Video SDA(Remote Control) SCL(Remote Control) Serial Data for DDC Ground H-Sync. Red Video Ground V-Sync.
  • Page 20 3.3 Compatible Mode Table Presetting PC Mode Horizontal Frequency Vertical Frequency Standard Resolution (KHz) (Hz) VESA 640 x 480 31.469 59.94 VESA 800 x 600 37.879 60.317 VESA 1024 x 768 48.363 60.004 VESA 1360 x 768 47.72 59.799 Presetting Video Mode Horizontal Frequency Vertical Frequency Standard...
  • Page 21: Mechanical Instructions

    4. Mechanical Instructions 1. Remove the screws to remove the rear cover. 2. Remove the screws to remove stand base.
  • Page 22 3. Remove the screws to remove main board, power board and inverter board. 4. Remove the screws to remove bracket.
  • Page 23 5. Remove the screws to separate panel and bezel. 6. Remove the screws to remove key board, IR board and speakers.
  • Page 24: Repair Flow Chart

    5. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board output=5V? Replace the power board Check the IR board and LED Replace the IR board Replace the main board...
  • Page 25 2. Can’t start Can’t start LED red Replace the power board Power board output 24V? Replace the key board Check the power key is under control? Replace the IR board Check the IR receiver is normal? Replace the main board Replace the Power board...
  • Page 26 3. No display No display (LED blue) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the B/L signal is available? Reinsert or replace the LVDS cable Replace main board...
  • Page 27 4. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Check the cable between the speakers and main board is ok? Replace the cable...
  • Page 28 5. Remote control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
  • Page 29 6. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Key board connected properly? Reconnect the key board Buttons are ok? Replace the button function Replace the key board Key board is ok? Replace the main board...
  • Page 30: Pcb Layout

    6. PCB Layout 6.1 Main Board 715G3269M01001005K...
  • Page 32: Power Board

    6.2 Power Board 715G3811P01W30003S...
  • Page 35: Inverter Board

    6.3 Inverter Board 715G3652P02000003S...
  • Page 36: Key Board

    6.4 Key Board 715G3814K01000003S 6.5 IR Board 715G3821R01000004M...
  • Page 37: Adjustment

    7. Adjustment ADC Adjustment 1. Press menu key and then press number key 1 9. It will achieve the factory mode. Take the BBY factory menu for example: 2. Change TV, press the item “Current Source” to Component mode and change signal to Timing314(Component 720p) and Pattern 122(SMPTE Bar), press the item “Auto Color”;...
  • Page 43 1 2 3 4...
  • Page 58: Inverter Board

    11. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. Location Part No. Description Remark E32A2ZNKW3ACXNX 052G 1185 1 BIG TAPE(Y1200141) 052G 1186 SMALL TAPE 052G...
  • Page 59 Q41T780067358A WARRANTY CARD Q45G 76 28NV2 PE BAG FOR CLAMP Q45G2010M0101A PE BAG FOR MANUAL X41G32MV615 2A EPI MANUAL X41G78SV615 1A EPI QSG 040G 58162435A P/N LABEL FOR MANUAL PE BAG 040G 581689 4A BARCODE LABEL FOR 1 Q40G0001881 4A S/N LABEL X40G 320615 2A RATING LABEL...
  • Page 60 CN405 033G804324C HR WAFER 2*12P 2.0PICTH CN606 033T3278 4D CONNECTOR CN701 033T327812D WAFER 12P PLUG CN403 033T380210B Y CONNECTOR R649 061T152M50852T 0.5OHM 5% 2W C711 067G215V221 4N KY25VB220-M-CC3 8*11.5MM C749 067G215V221 4N KY25VB220-M-CC3 8*11.5MM C638 067G215V471 6N CAP 105 470UF M 35V C652 067G215V471 6N CAP 105...
  • Page 61 C736 067G 305221 2T 105C RADIALE-CAPACTOR 220UF 10V C661 067G 3054712CT EC 470UF 10V KM 8*11.5MM C725 067G 4152214KT EC 220UF 25V M 8*12MM C732 067G 4152214KT EC 220UF 25V M 8*12MM C730 067G215D4713KT /105 EC 470UF M 16V KINGNICHI C702 067G215H2213CT EC 220UF 16V SY 8X7MM...
  • Page 62 Q704 057G 417511 MMBT3904 Q701 057G 417511 MMBT3904 Q613 057G 417511 MMBT3904 Q606 057G 417511 MMBT3904 Q604 057G 417511 MMBT3904 Q603 057G 417511 MMBT3904 Q602 057G 417511 MMBT3904 Q601 057G 417511 MMBT3904 Q405 057G 417511 MMBT3904 Q402 057G 417511 MMBT3904 Q611 057G 417512 MMBT3906...
  • Page 63 R516 061G0603101 RST CHIPR 100 OHM +-5% 1/10W R498 061G0603101 RST CHIPR 100 OHM +-5% 1/10W R439 061G0603101 RST CHIPR 100 OHM +-5% 1/10W R437 061G0603101 RST CHIPR 100 OHM +-5% 1/10W R403 061G0603101 RST CHIPR 100 OHM +-5% 1/10W R277 061G0603101 RST CHIPR 100 OHM +-5% 1/10W...
  • Page 64 R642 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R634 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R629 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R604 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R443 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R440 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W...
  • Page 65 R497 061G0603150 0F RST CHIPR 150 OHM +-1% 1/10W R742 061G0603150 JY RST CHIPR 15 1/10W YAGEO R750 061G06031502FY RST CHIPR 15KOHM +-1% 1/10W YAGEO R517 061G0603182 RST CHIPR 1.8 KOHM +-5% 1/10W R518 061G0603182 RST CHIPR 1.8 KOHM +-5% 1/10W R736 061G0603182 JY RST CHIP 1.8K OHM 1/10W 5%...
  • Page 66 R432 061G0603470 RST CHIPR 47 OHM +-5% 1/10W R431 061G0603470 RST CHIPR 47 OHM +-5% 1/10W R430 061G0603470 RST CHIPR 47 OHM +-5% 1/10W R748 061G06034702FF RST CHIPR 47KOHM +-1% 1/10W FENGHUA R480 061G0603471 RST CHIPR 470 OHM +-5% 1/10W R435 061G0603472 RST CHIPR 4.7K OHM +-5% 1/10W...
  • Page 67 R262 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R261 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R250 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R249 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R248 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R244 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W...
  • Page 68 C477 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C478 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C4D4 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C4D3 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C4D2 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C4D1 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10%...
  • Page 69 C667 065G060310131J CAP CHIP 0603 100PF J 50V NPO SAMSUNG C618 065G060310131J CAP CHIP 0603 100PF J 50V NPO SAMSUNG C617 065G060310131J CAP CHIP 0603 100PF J 50V NPO SAMSUNG C616 065G060310131J CAP CHIP 0603 100PF J 50V NPO SAMSUNG C615 065G060310131J CAP CHIP 0603 100PF J 50V NPO SAMSUNG...
  • Page 70 C518 065G0603104 12 CER2 0603 X7R 16V 100N P C519 065G0603104 12 CER2 0603 X7R 16V 100N P C520 065G0603104 12 CER2 0603 X7R 16V 100N P C521 065G0603104 12 CER2 0603 X7R 16V 100N P C619 065G0603104 12 CER2 0603 X7R 16V 100N P C620 065G0603104 12 CER2 0603 X7R 16V 100N P...
  • Page 71 C444 065G0603104 12 CER2 0603 X7R 16V 100N P C443 065G0603104 12 CER2 0603 X7R 16V 100N P C657 065G060310432K CAP CHIP 0603 0.1UF K 50V X7R C719 065G060310432K CAP CHIP 0603 0.1UF K 50V X7R C767 065G060310432K CAP CHIP 0603 0.1UF K 50V X7R C769 065G060310432K CAP CHIP 0603 0.1UF K 50V X7R...
  • Page 72 C256 065G0603224 22 CHIP 0.22UF 25V X7R C404 065G0603224 22 CHIP 0.22UF 25V X7R C237 065G0603224 22 CHIP 0.22UF 25V X7R C236 065G0603224 22 CHIP 0.22UF 25V X7R C231 065G0603224 22 CHIP 0.22UF 25V X7R C230 065G0603224 22 CHIP 0.22UF 25V X7R C223 065G0603224 22 CHIP 0.22UF 25V X7R...
  • Page 73 C420 065G0805475A2K CAP CHIP 4U7 10V X7R 10% C250 065G0805475A2K CAP CHIP 4U7 10V X7R 10% C474 065G120610612K CHIP 10UF 16V X7R 10% C484 065G120610612K CHIP 10UF 16V X7R 10% C4D8 065G120610612K CHIP 10UF 16V X7R 10% C4E9 065G120610612K CHIP 10UF 16V X7R 10% C625 065G120610625K CAP CHIP 1206 10UF K 25V X5R...
  • Page 74 FB503 071G 59L121 Y CHIP BEAD 0603 120OHM+-25% 0.3A FB505 071G 59L121 Y CHIP BEAD 0603 120OHM+-25% 0.3A FB507 071G 59L121 Y CHIP BEAD 0603 120OHM+-25% 0.3A FB506 071G 59L121 Y CHIP BEAD 0603 120OHM+-25% 0.3A FB504 071G 59L121 Y CHIP BEAD 0603 120OHM+-25% 0.3A FB413 071G 59L121 Y...
  • Page 75 709T3269 QS001 COMSUPTIVE ASS'Y 052G6026 3 MESH PRINTTING PAPER 055G 23520 052G 2191 A PAPER TAPE 055G 100610 TIN CREAM W/O PB 715G3269M01001005K MAIN BOARD PCB Q90T0173 1 HEAT SINK FOR U401 Q90T6119 5 HEATSINK FOR U602 Q45G 99606 25 ESD INSULATING PE BAG E32A2ZE6AP Q45G 77 5...
  • Page 76 T801 080GL32P 1 N POWER X'FMR 6MH 25% YUVA-1187 T902 080GL37T 19 N X'FMR 550UH 5% YUVA-1089 T901 080GL52T 5 N2 X'FMR 1.0MH 10% F901 084G 41 11 B FUSE 5A 250V LEAD TYPE F901 084G 41 11 C FUSE 5A 250V UDA-A 005(PF) F901 084G 41 11 L FUSE 5A 250V...
  • Page 77 BD901 093G 50460 34 BRIDGE KBJ608G 6A/800V KBJ BD901 093G 50460925 BRIDGE DIODE TS6B06G-01 KBJ 0M1G1730 10120 SCREW 42A9930016 P90T0027301 HEAT SINK IC901 056G 379164 IC FAN6961SZ SOP-8 IC903 056G 379175 IC LD7523GS SOP-8 IC801 056T 379122 IC OZ9976GN-C-0-TR SOP-16 Q805 057G 417 4 PMBS3904/PHILIPS-SMT(04)
  • Page 78 R944 061G0805103 JF RST CHIPR 10K OHM +-5% 1/8W FENGHUA R817 061G0805103 JF RST CHIPR 10K OHM +-5% 1/8W FENGHUA R816 061G0805103 JF RST CHIPR 10K OHM +-5% 1/8W FENGHUA R918 061G0805103 JF RST CHIPR 10K OHM +-5% 1/8W FENGHUA R914 061G0805103 JF RST CHIPR 10K OHM +-5% 1/8W FENGHUA...
  • Page 79 R842 061G0805513 JF RST CHIPR 51KOHM +-5% 1/8W FENGHUA R841 061G0805513 JF RST CHIPR 51KOHM +-5% 1/8W FENGHUA R841 061G0805513 JY RST CHIPR 51K +-5% 1/8W YAGEO R842 061G0805513 JY RST CHIPR 51K +-5% 1/8W YAGEO R906 061G08055603FT RST CHIP 560K 1/8W 1% R906 061G08055603FY RST CHIPR 560KOHM +-1% 1/8W YAGEO...
  • Page 80 R838 061G1206103 JT RST CHIPR 10KOHM +-5% 1/4W TZAI YUAN R838 061G1206103 JY RST CHIPR 10K +-5% 1/4W YAGEO R939 061G1206103 JY RST CHIPR 10K +-5% 1/4W YAGEO R976 061G1206103 JY RST CHIPR 10K +-5% 1/4W YAGEO R998 061G1206104 JF RST CHIPR 100KOHM +-5% 1/4W FENGHUA R999 061G1206104 JF...
  • Page 81 R903 061G1206334 JF RST CHIPR 330KOHM +-5% 1/4W FENGHUA R903 061G1206334 JT RST CHIPR 330 KOHM 1/4W TZAI YUAN R902 061G1206334 JT RST CHIPR 330 KOHM 1/4W TZAI YUAN R901 061G1206334 JT RST CHIPR 330 KOHM 1/4W TZAI YUAN R950 061G1206470 JT RST CHIPR 47 OHM +-5% 1/4W TZAI YUAN R952...
  • Page 82 C805 065G080522522K MLCC 0805 CAP 2.2UF 25V X7R C819 065G080522522K MLCC 0805 CAP 2.2UF 25V X7R C813 065G080533131J CAP CHIP 0805 330PF J 50V NPO C976 065G080533432K CAP CHIP 0805 0.33UF K 50V X7R C818 065G080547232K CAP CHIP 0805 4700PF K 50V X7R C943 065G080547332K CAP CHIP 0805 47N 50V X7R +/-10%...
  • Page 83 D905 093G 64 1152T 1N4148 D903 093G 64 1152T 1N4148 D806 093G 64 1152T 1N4148 D805 093G 64 1152T 1N4148 D951 093G 64 1152T PH SWITCH DIODE 1N4148 BY PHILIPS D971 093G 64 1152T PH SWITCH DIODE 1N4148 BY PHILIPS D906 093G 64 1152T PH SWITCH DIODE 1N4148 BY PHILIPS...
  • Page 84 CN8802 033G3802 3B Y CONN 2.0 3P CN8802 033T3802 3B Y CONNECTOR C8812 065G 6J1006ET 10PF 5% SL 6KV C8813 065G 6J1006ET 10PF 5% SL 6KV C8811 065G 6J1006ET 10PF 5% SL 6KV C8810 065G 6J1006ET 10PF 5% SL 6KV C8809 065G 6J1006ET 10PF 5% SL 6KV...
  • Page 85 R8804 061G0805103 JT RST CHIPR 10K OHM +- 5% 1/8W TZAI YUAN R8808 061G0805104 JT RST CHIPR 100KOHM +- 5% 1/8W TZAI YUAN R8805 061G0805104 JT RST CHIPR 100KOHM +- 5% 1/8W TZAI YUAN R8803 061G08053902FT RST CHIP 39K 1/8W 1% R8816 061G08053902FT RST CHIP 39K 1/8W 1%...
  • Page 86 D8818 093G 6433S DIODE BAV99 SEMTECH D8819 093G 6433S DIODE BAV99 SEMTECH D8806 093G 3919552T DIODE MTZJ T-72 5.1B 500MW/5.1V DO-34 D8822 093G 64 1152T 1N4148 D8821 093G 64 1152T 1N4148 D8820 093G 64 1152T 1N4148 D8807 093G 64 1152T 1N4148 D8805 093G 64 1152T...
  • Page 87: Key Board

    S80GL32T14VZ TRANSFORMER ASS'Y T8810 S80GL32T14V TRANSFORMER ASS'Y 071FPE13101 05 FP2 EEL13 S80GL32T14VZ TRANSFORMER ASS'Y T8802 S80GL32T14V TRANSFORMER ASS'Y 071FPE13101 05 FP2 EEL13 S80GL32T14VZ TRANSFORMER ASS'Y T8805 S80GL32T14V TRANSFORMER ASS'Y 071FPE13101 05 FP2 EEL13 S80GL32T14VZ TRANSFORMER ASS'Y T8808 S80GL32T14V TRANSFORMER ASS'Y 071FPE13101 05 FP2 EEL13 S80GL32T14VZ...

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