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32” LCD TV                                       

                                                       

       

Hyundai HLCD-A32W4 

 

Service                                                                                                             

Service

 

Service

 

 

                                                                                                                                           

                                                                                                                                                                                   

                                                 

                                                 

                                             

                                                                                                                                                                                         

                                                                                         

TABLE OF CONTENTS                                                                           

Description

                                                               

Page   Description                                Page 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 

   

 

SAFETY NOTICE

 

  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 VOLTAGE 

                                                                                                                                                   

Table Of Contents.......……..............................…........1

Revision List.…........................................……......2 

Important Safety Notice.……..................……......3

1.General Specifications..............................………........4  

2.Operating Instructions………..…………………….......6

2.1.The Use of Remote Control…................……...........6

2.2.To Use the Menu………..............................…...........7

2.3.LCD TV Description…….…..............……...............14

2.4.Interface Connector……............................…...........14

3.Precautions and Notices…............……………............15

3.1.Assembly Precaution…............………….................15

3.2.Operating Precaution…………...........................15

3.3.Storage Precaution…......………………..................15

3.4.High Voltage Warning.…..........…………................15

4.Input/Output Description……..…………… ...........16

4.1.D-SUB Connector……...…………………....….......16

4.2.Factory Preset Display Modes……………..….......17

5.Front Panel Control Knobs…....................................17

6.Repair Flow Chart…….............................................18

7.Mechanical Instructions……………................24

8.PCB Layout..………….......................................29

8.1.Main Board……….....…….................................29

8.2.Power Board…...………...................................32

8.3.DC to DC Board…………......................................35

8.4.IR Board……………….......................................35

8.5.Key Board………………......................................36

8.6.Headphone Board………..................................36

9.Block Diagram………………..............................37

10.Schematic Diagram………………...............…38

10.1.Main Board.............................................38

10.2.Power Board....……....................................52

11.Exploded View………..….......................................54

12.BOM List……….…………………………….............55

 

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 

Summary of Contents for HLCD-A32W4

Page 1: ...Menu 7 2 3 LCD TV Description 14 2 4 Interface Connector 14 3 Precautions and Notices 15 3 1 Assembly Precaution 15 3 2 Operating Precaution 15 3 3 Storage Precaution 15 3 4 High Voltage Warning 15 4...

Page 2: ...32 LCD TV Hyundai HLCD A32W4 2 Revision List Revision Date Revision History TPV Model A00 Oct 10 06 First Version Release E326MSNSD2H4NP...

Page 3: ...racteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or imp...

Page 4: ...32 LCD TV Hyundai HLCD A32W4 4 1 General Specifications...

Page 5: ...32 LCD TV Hyundai HLCD A32W4 5...

Page 6: ...32 LCD TV Hyundai HLCD A32W4 6 2 Operating Instructions 2 1 The Use Of Remote Control...

Page 7: ...32 LCD TV Hyundai HLCD A32W4 7 2 2 To Use The Menus...

Page 8: ...32 LCD TV Hyundai HLCD A32W4 8...

Page 9: ...32 LCD TV Hyundai HLCD A32W4 9...

Page 10: ...32 LCD TV Hyundai HLCD A32W4 10...

Page 11: ...32 LCD TV Hyundai HLCD A32W4 11...

Page 12: ...32 LCD TV Hyundai HLCD A32W4 12...

Page 13: ...32 LCD TV Hyundai HLCD A32W4 13...

Page 14: ...transmitting TTL level signals into LCD Module to drive the LCD display circuit The inverter board will drive the five CCFLs Cold Cathode Fluorescent Tube The switching power board will provides the p...

Page 15: ...power button is turn off 2 Please do not change variable resistance settings in MAIN BOARD they are adjusted to the most suitable value If they are changed it might happen LUMINANCE does not satisfy t...

Page 16: ...irm grounding The connector information is as follow 1 6 11 15 5 10 15 Pin Color Display Signal Cable Pin No Description Pin No Description 1 Red Video 9 No Ground 2 Green Video 10 Sync Ground 3 Blue...

Page 17: ...o No No Yes 640x480 75Hz 1280 x 768 1024 x 768 N A No No No No Yes VESA 800x600 60Hz 1280 x 768 1024 x 768 N A No No No No Yes VESA 800x600 72Hz 1280 x 768 1024 x 768 N A No No No No Yes VESA 800x600...

Page 18: ...901 D901 D902 NG Replace F901 or BD901 or D910 or D902 OK Check IC981 D928 12V Check IC901 Q901 NG Replace IC981or D928 Check Q924 IC924 ON OFF signal NG Replace Q924 or IC924 OK OK Check T951 OK NG R...

Page 19: ...Check 3 3V_SB Replace U700 OK NG Check PWR_ON signal OK NG Check Q700 Q701 Q702 Q703 NG Replace Q700 or Q701 or Q702 or Q703 Check U300 U501 NG Replace U300 U501 Check I2 C communication OK Check PFC...

Page 20: ...icator green Check the source OK Reset source NG Check LVDS cable NG Reset LVDS cable OK Check 24V power supply NG Return to 5 1 OK Check main board power supply OK Check U300 NG Replace U300 OK Check...

Page 21: ...source NG Check signal filter circuit NG Replace the filter or inductance OK NG RF signal Check TV system setup OK Check Tuner Replace Tuner AV1 AV2 signal Check U102 NG Replace U102 PC signal and COM...

Page 22: ...ctance OK NG SIF signal Check TV system setup OK Check Tuner Replace Tuner AV Component DVD signal Check Audio decoder MSP3425G U601 NG Replace U601 OK Check U600 U603 NG Replace U600 or U603 OK Check...

Page 23: ...23 6 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y Is Key Pad Board Normally Replace Key Pad Boa...

Page 24: ...re Description Preparation Lay the LCD TV on a flat soft and clean surface Remove the base and stand Remove the hinge cover and the screws on the stand to remove the base and stand Remove the back cov...

Page 25: ...32 LCD TV Hyundai HLCD A32W4 25 Remove the shield 1 Remove the twenty screws...

Page 26: ...he shield as the arrowhead direction Remove Power and Main board 1 Remove the five screws marked in red to remove the Power board 2 Remove the eight screws marked in red and cisconnect the connector t...

Page 27: ...rd and the speakers Remove the screws and connector to remove the earphone board and the speakers Remove The Bkt Pcb Support Remove the six screws to remove the Bkt Pcb Support Remove the BKT Side bez...

Page 28: ...32 LCD TV Hyundai HLCD A32W4 28 2 Remove the screw to remove the IR board and bezel The end N A...

Page 29: ...32 LCD TV Hyundai HLCD A32W4 29 8 PCB Layout 8 1 Main Board 715T1641 2...

Page 30: ...32 LCD TV Hyundai HLCD A32W4 30...

Page 31: ...32 LCD TV Hyundai HLCD A32W4 31...

Page 32: ...32 LCD TV Hyundai HLCD A32W4 32 8 2 Power Board 715T1180 3...

Page 33: ...32 LCD TV Hyundai HLCD A32W4 33...

Page 34: ...32 LCD TV Hyundai HLCD A32W4 34...

Page 35: ...32 LCD TV Hyundai HLCD A32W4 35 8 3 DC to DC Board 715T1278 4 8 4 IR Board 715T1975 1 SM...

Page 36: ...32 LCD TV Hyundai HLCD A32W4 36 8 5 Key Board 715T1623 1 8 6 Headphone Board 715T1290 3...

Page 37: ...PV301 302A Scaler OSD MCU Panel Inverter ANT DRAM VIDEO 1 VIDEO 2 CVBS S VIDEO AD9883AKSTZ ADC U501 PC D SUB MSP3425G AVDIO decoder Audio AMP 7266D U602 Head phone Speaker 2W x 2 AC 110 220V Adapter 7...

Page 38: ...C141 NC 100pF C158 68pF Q102 PMBS3904 3 2 1 AGND R117 NC LP103 120 OHM 8P4R 1 2 3 4 5 6 7 8 CP105 22pF 1 2 3 4 5 6 7 8 R7 I_DVD_Y C138 100pF AGND R5 AV1_L 2 RN105 0 OHM 1 2 3 4 8 7 6 5 5V Remote 5 C13...

Page 39: ...C 100pF 1 12VS AV2_L_1 C152 0 1uF 1 SCART audio VSEL_VS 9 C100 0 1uF AGND C148 470pF video Go AV2_R_1 AV1_L_1 AV1_R 1 Vo Ro R112 75 1 16W AV2_R 1 RN100 15K 1 16W 1 2 3 4 8 7 6 5 R108 75 1 16W CH_SEL2...

Page 40: ...Victory Electronics Co Ltd A4 3 14 Tuesday June 13 2006 Title Size Document Number Rev Date Sheet of C106 0 1uF L106 600 OHM SDA 4 5 6 9 11 14 15 R103 8 2 3W L105 NC AGND R10 0 1 10W 715T1641 2 AGND R...

Page 41: ...D Y6 R223 75 1 16W C213 22pF C208 0 68uF 16V VIN1 R205 1M 1 16W C203 0 001uF R200 0 1 16W L208 600 OHM R220 1K 1 16W 3D_C 15 R204 0 1 16W R228 75 1 16W VDDI C201 3 3pF SCL 3 5 6 9 11 14 15 VD_Field 6...

Page 42: ...1 53 15 36 RAS CAS GND GND CLK CKE DQMU GND A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 DQ0 DQ1 DQ2 DQ3 BS1 A12 BS0 BA WE CS VCC VCC VCC VCCQ VCCQ VCCQ VCCQ VSSQ VSSQ VSSQ VSSQ DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10...

Page 43: ...16W 1 2 3 4 8 7 6 5 BOUT2 TP305 TP B2 FM37 Y 0 7 4 3 3VM C6 C363 10uF 16V Y5 TP304 TP FM11 CN300 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36...

Page 44: ...VSS25_TB12 DVSS25_TB13 DVSS25_TB14 DVSS25_TB15 DVSS25_TB16 DVSS25_TB17 DVSS25_TB18 DVSS25_TB19 DVSS33_TB13 DVSS25_TB20 DVSS33_1 DVSS33_2 DVSS33_3 DVSS33_4 DVSS33_5 DVSS33_6 DVSS33_7 DVDD25_1 DVDD25_2...

Page 45: ...A_SCL C535 0 1uF C532 0 1uF Near IC VSEL_B 2 C529 0 1uF D502 BAV99 3 1 2 TX GREEN VSEL_VS 2 C533 0 1uF TX 5 5VD_ADDC GOUT3 C536 NC 3 3V_AP ROUT7 AGND C505 0 47uF 50V L506 50 OHM L500 100 OHM 1 16W VGA...

Page 46: ...GND CNTL OUT L IN L REF IN C657 0 001uF C642 2 2uF 16V C659 0 001uF Audio_R 1 For without SRS C655 0 1uF Audio_R 1 PC_R 11 C654 0 1uF R653 0 1 10W L612 300 OHM C643 2 2uF 16V L615 600 OHM PRE_R R650 2...

Page 47: ...DVSUP DVSS I2S_DA_IN2 NC NC NC RESETQ NC NC VREF2 DACM_R DACM_L NC NC NC NC NC VREF1 SC1_OUT_R SC1_OUT_L NC AHVSUP CAPL_M AHVSS AGNDC NC NC NC NC NC ASG SC2_IN_L SC2_IN_R ASG SC1_IN_L SC1_IN_R VREFTO...

Page 48: ...Audio AMP TDA7266D C722 0 1uF R714 0 1 10W C717 47uF 16V Q700 AO3401 1A 11 POWER AOC Top Victory Electronics Co Ltd A4 11 14 Tuesday June 13 2006 Title Size Document Number Rev Date Sheet of 3 3VM C7...

Page 49: ...PWRDN VCC VC C 1 VC C 2 VC C 3 PVC C OVC C GN D 1 GN D 2 GN D 3 GN D 4 GN D 5 PGN D 1 PGN D 2 OGN D 1 OGN D 2 OGN D 3 L801 600 OHM TXA1m TXA1p B5 TXACKp 715T1641 2 P_Vs 1 6 G1 TXA0m B2 1A 12 LVDS Sha...

Page 50: ...CSYNC LPF R411 NC C404 NC 10uF 16V L404 NC 600 OHM R413 100 1 16W C414 47PF 1A 13 CC V_Chip A 13 14 Tuesday June 13 2006 Title Size Document Number Rev Date Sheet of C412 47PF 5V VD_HS 4 6 R406 470 1...

Page 51: ...560 1 16W C929 0 1uF 16V R909 1K 1 16W C933 0 1uF 16V 3D_C 4 C943 0 1uF 16V R945 0 1 16W AYI R939 0 1 16W ACO SDA 3 4 5 6 9 11 14 C921 0 1uF 16V C942 1uF 16V C920 22pF R944 0 1 16W Q914 2SA1037AK R91...

Page 52: ...32 LCD TV Hyundai HLCD A32W4 52 10 2 Power Board 715T1180 3...

Page 53: ...32 LCD TV Hyundai HLCD A32W4 53...

Page 54: ...32 LCD TV Hyundai HLCD A32W4 54 11 Exploded View...

Page 55: ...9606 2 PE BAG FOR BASE 1 000 045T 99609 2 EPE COVER 1 000 045T 99609 5 EPE COVER FOR BASE 1 000 045T 99626 2 PE BAG FOR MONITOR 1 000 050T 500 1 CABLE TIE 1 000 050T 500 1 CABLE TIE 1 000 052T 1185 MI...

Page 56: ...000 Q15T0063 2 BKT HOLD PANEL 2 000 Q15T0064 1 BKT HOLD PANEL 1 000 Q15T8223 5 BKT CONNECTOR 1 000 Q15T8270 4 BKT PCB SUPPORT 1 000 Q40T 320970 1A RATING LABEL 1 000 Q40T0002673 1A IO LABEL 1 000 Q44T...

Page 57: ...T 139 3A PC123Y22FZOF 1 000 IC925 056T 139 3A PC123Y22FZOF 1 000 IC942 056T 139 3A PC123Y22FZOF 1 000 IC922 056T 139 3B PC123X82FZOF 1 000 IC924 056T 139 3B PC123X82FZOF 1 000 IC942 056T 139 3B PC123X...

Page 58: ...UF 20 35V 1 000 C950 067T215L102 6R LOW E S R 1000UF 20 35V 1 000 C951 067T215L102 6R LOW E S R 1000UF 20 35V 1 000 C932 067T215L1024NL KY25VB1000M L 10 25MM 1 000 C933 067T215L1024NL KY25VB1000M L 10...

Page 59: ...N111 033T3802 3H WAFER 3P RIGHT ANGLE 1 000 CN600 033T3802 5H WAFER 5P RIGHT ANELE PI 1 000 CN107 033T3802 8H WAFER 8P RIGHT ANGLE PITCH 2 0 1 000 CN800 033T8027 20 H WAFER 1 000 040T 457624 1B CPU LA...

Page 60: ...7 7 FM 6038TM2 5AN 1 000 IC981 056T 379 40 TOP246YN T0 220 7C 1 000 090T 427 1 HEAT SINL 1 000 0M1T1730 8128 CR3 SCREW 1 000 012T 372 5 MICA 1 000 Q901 057T 667 17 IRFP460APBF T0 247AC 1 000 Q901 057T...

Page 61: ...8W 1 000 R959 061T0805115 2F RST CHIPR 11 5 KOHM 1 1 8W 1 000 R960 061T0805133 RST CHIPR 13 KOHM 5 1 8W 1 000 R961 061T0805152 RST CHIPR 1 5 KOHM 5 1 8W 1 000 R914 061T0805191 2F RST CHIPR 19 1 KOHM 1...

Page 62: ...1 4W 1 000 R906 061T1206624 RST CHIPR 620 KOHM 5 1 4W 1 000 R902 061T1206684 RST CHIPR 680KOHM 5 1 4W 1 000 R901 061T1206684 RST CHIPR 680KOHM 5 1 4W 1 000 C927 065T0805102 32 CHIP 1000P 50VX7R 0805 1...

Page 63: ...093T 6432V LL4148 GSO8 SMD BY VISHA 1 000 D945 093T 6432V LL4148 GSO8 SMD BY VISHA 1 000 D946 093T 6432V LL4148 GSO8 SMD BY VISHA 1 000 D947 093T 6432V LL4148 GSO8 SMD BY VISHA 1 000 D949 093T 6432V L...

Page 64: ...7 4 CHIP PMBS3904 BY PHILIPS 1 000 Q301 057T 417 4 CHIP PMBS3904 BY PHILIPS 1 000 Q700 057T 763 1 A03401L SOT23 BY AOS 1 000 Q300 057T 763 3B AM9435P T1 PF SO 8 1 000 Q701 057T 763 3B AM9435P T1 PF SO...

Page 65: ...T0603000 CHIP 0OHM 1 16W 1 000 R371 061T0603000 CHIP 0OHM 1 16W 1 000 R945 061T0603000 CHIP 0OHM 1 16W 1 000 R804 061T0603000 CHIP 0OHM 1 16W 1 000 R801 061T0603000 CHIP 0OHM 1 16W 1 000 R800 061T0603...

Page 66: ...1T0603101 CHIP 100OHM 1 16W 1 000 R642 061T0603101 CHIP 100OHM 1 16W 1 000 R641 061T0603101 CHIP 100OHM 1 16W 1 000 R624 061T0603101 CHIP 100OHM 1 16W 1 000 R623 061T0603101 CHIP 100OHM 1 16W 1 000 R6...

Page 67: ...10KOHM 1 16W 1 000 R118 061T0603103 CHIP 10KOHM 1 16W 1 000 R338 061T0603103 CHIP 10KOHM 1 16W 1 000 R337 061T0603103 CHIP 10KOHM 1 16W 1 000 R616 061T0603104 CHIP 100K OHM 1 16W 1 000 R367 061T060310...

Page 68: ...1 1 000 R620 061T0603392 CHIP 3 9KOHM 1 16W 1 000 R402 061T0603470 RST CHIPR 47 OHM 5 1 10W 1 000 R606 061T0603471 RST CHIPR 470OHM 5 1 10W 1 000 R605 061T0603471 RST CHIPR 470OHM 5 1 10W 1 000 R603...

Page 69: ...0 9F CHIP 75OHM 1 16W 1 1 000 R116 061T0603750 9F CHIP 75OHM 1 16W 1 1 000 R223 061T0603750 9F CHIP 75OHM 1 16W 1 1 000 R226 061T0603750 9F CHIP 75OHM 1 16W 1 1 000 R230 061T0603750 9F CHIP 75OHM 1 16...

Page 70: ...X7R 1 000 C153 065T0603103 32 CHIP 0 01UF 50V X7R 1 000 C152 065T0603103 32 CHIP 0 01UF 50V X7R 1 000 C151 065T0603103 32 CHIP 0 01UF 50V X7R 1 000 C361 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000...

Page 71: ...V X7R 1 000 C352 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C355 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C356 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C357 065T0603104 12 MLCC 0603 0...

Page 72: ...V X7R 1 000 C528 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C529 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C530 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C531 065T0603104 12 MLCC 0603 0...

Page 73: ...317 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C316 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C305 065T0603104 12 MLCC 0603 0 1UF K 16V X7R 1 000 C306 065T0603104 12 MLCC 0603 0 1UF K 16V X7R...

Page 74: ...24 17 CHIP 0 22UF 16V Y5V 1 000 C243 065T0603330 31 CHIP 33PF 50V NPO 1 000 C244 065T0603330 31 CHIP 33PF 50V NPO 1 000 C245 065T0603330 31 CHIP 33PF 50V NPO 1 000 C387 065T0603330 31 CHIP 33PF 50V NP...

Page 75: ...603 065T0603560 31 CHIP 56PF 50V NPO 1 000 C604 065T0603560 31 CHIP 56PF 50V NPO 1 000 C634 065T0603561 31 CHIP 560PF 50V NPO 1 000 C635 065T0603561 31 CHIP 560PF 50V NPO 1 000 C400 065T0603682 32 CHI...

Page 76: ...C 1 000 C624 067T 312339 3T CHIP EC 3 3UF 16V 85C 1 000 C717 067T 312470 3 SMD EC 47UF 16V 85C D 1 000 C713 067T 312470 3 SMD EC 47UF 16V 85C D 1 000 C706 067T 312470 3 SMD EC 47UF 16V 85C D 1 000 C41...

Page 77: ...4 067T 4121003XT EC 85 CHIP 10UF M 16V 1 000 C134 067T 4121003XT EC 85 CHIP 10UF M 16V 1 000 C135 067T 4121003XT EC 85 CHIP 10UF M 16V 1 000 C164 067T 4121003XT EC 85 CHIP 10UF M 16V 1 000 C168 067T 4...

Page 78: ...D 150 OHM 1 000 L604 071T 56G151 A CHIOP BEAD 150 OHM 1 000 L600 071T 56G151 A CHIOP BEAD 150 OHM 1 000 L203 071T 56G151 A CHIOP BEAD 150 OHM 1 000 L202 071T 56G151 A CHIOP BEAD 150 OHM 1 000 L614 071...

Page 79: ...BEAD 1206 600 OHM 1 000 L710 071T 57G601 BEAD 1206 600 OHM 1 000 L712 071T 57G601 BEAD 1206 600 OHM 1 000 L802 071T 57G601 BEAD 1206 600 OHM 1 000 L803 071T 57G601 BEAD 1206 600 OHM 1 000 L144 071T 59...

Page 80: ...P BEAD 600OHM 0603 TB1608 1 000 FB1 071T 59B601 EA CHIP BEAD 600OHM 0603 TB1608 1 000 FB3 071T 59B601 EA CHIP BEAD 600OHM 0603 TB1608 1 000 D1 081T 14 15 KB KAA 3528CGKSYKC 01 AOC SMA 1 000 715T1975 1...

Page 81: ...2SA733P NEC TAPING 1 000 Q948 057T 420501 T KTA733P 1 000 Q946 057T 420501 T KTA733P 1 000 Q926 057T 566 1 2N5060RLRAG TO 92 BY ON 1 000 Q926 057T 566 4 MCR100 6SCR 1 000 R966 061T 60110252T 1K OHM 2...

Page 82: ...23 TIN COATED 1 000 J932 095T 90 23 TIN COATED 1 000 J933 095T 90 23 TIN COATED 1 000 J934 095T 90 23 TIN COATED 1 000 J935 095T 90 23 TIN COATED 1 000 L922 095T 90 23 TIN COATED 1 000 J905 095T 90 2...

Page 83: ...0 C809 065T0603104 32 CHIP 0 1UF 50V X7R 1 000 C805 065T0603471 31 CHIP 470PF 50V NPO 1 000 C810 065T0805102 32 CHIP 1000P 50VX7R 0805 1 000 C808 065T0805102 32 CHIP 1000P 50VX7R 0805 1 000 C802 065T0...

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