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TCL

   

SERVICE MANUAL 

 

 

 

LCD32E9A-MS91LA

   

 

 

1.

 

Caution

…………………………………………………………………………

2.

 

specification

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3. Alignment Procedure

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4

Block of Diagram 

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13 

5

Scheme Diagram   

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14 

6.  Troubleshooting

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26 

7.  PCB Layout  

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32 

8.  Explode Diagram 

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38 

9.  Main IC specification

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39 

10

BOM List 

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43 

 

 

 

This manual is the latest at the time of printing, and does not 
include the modification which may be made after the printing, by 
the constant improvement of product 

Summary of Contents for LCD32E9A-MS91LA

Page 1: ...of Diagram 13 5 Scheme Diagram 14 6 Troubleshooting 26 7 PCB Layout 32 8 Explode Diagram 38 9 Main IC specification 39 10 BOM List 43 This manual is the latest at the time of printing and does not inc...

Page 2: ...ectric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the liter...

Page 3: ...impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use...

Page 4: ...ng conductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electrode 15 2 Note to CATV system installer Only for the television set with CATV...

Page 5: ...durein youroperatinginstructions do not attempt any further adjustment Unplug the set and call your dealer or service technician 22 Whenever the television set is damaged or fails or a distinct change...

Page 6: ...d one woofer Certification CB Audio Power Output 5W 2 8W Woofer Power Supply AC 100V 240V 50 60Hz Sound Processing BTSC SAP Stereo Power Consumption TV on 130W DVSS Dolby Virtual Surround Power Consum...

Page 7: ...TCL Multimedia Technology Holdings Ltd R D Center Alignment Procedure MODEL L42E77F MS91AP LCDTV Version 1 0 PREPARED BY Wise Zhang DATE 2008 5 7 APPROVED BY DATE...

Page 8: ...ng the software for the first time Restart the set power off then power on should be made to ensure the correct EEPROM data FM Factory Menu menu Item Default Description Status FAC HOTKEY OFF Shortcut...

Page 9: ...c adjustment OK B OFFSET 127 B offset manually adjustable Should not be changed after automatic adjustment OK R GAIN 127 R gain manually adjustable Should not be changed after automatic adjustment OK...

Page 10: ...lly adjustable Should not be changed after automatic adjustment OK How to access to R D Menu 1 Firstly in TV mode press MUTE button of remote control to mute the set Secondly press MENU button to ente...

Page 11: ...UTO PAL SECAM OK SOUND SYS D K Sound system D K B G I OK PRESET CH 1 Channel preset 0 199 OK COLOR TEMP NORMAL Color temperature NORMAL WARM COOL OK PARAM SETTING Item Default Description Status VOLUM...

Page 12: ...until it is distinguished Color Temperature adjustment Before adjustment you should confirm the color analyzer has been calibrated During the process only AV1 Y Pb Pr VGA source should be adjusted We...

Page 13: ...L HDMI DDC I2C HDMI TMDS Q501 DDC1 TMDS1 U507 13 0PS321 00B PS321 is integrates 3 to 1 HDMI DVI switch DDC1 YPBPR L4 R4 Share with VGA MS91 EM Chassis Block Diagram U702 13 TDA130 8TB USB D D CH1 5VST...

Page 14: ...L42E77F MS91 AP V1 0 2008 4 17...

Page 15: ...05 470U 25V C706 470U 25V C704 10U E C B C144ET Q981 R731 3K3 AMP_ 12V AMP_ 12V AMP_ 12V AMUTE1 AMUTE1 AGND AGND 2U2 C1011 E C B C144ET Q980 2U2 C1010 2U2 C726 5V IF 5V IF AMP_ 12V AMP_ 12V L712 120R...

Page 16: ...C B C144ET Q602 R610 NC R611 0R L607 1000U 5V IF C626 4 7U 16V C601 4 7U 16V 330P C605 0R R622 TAGC C650 0 1U R672 2 2K L606 1000U R667 5K6 R666 2K NC R662 100R R661 100R TUNER_SDA TUNER_SCL TV1 V R64...

Page 17: ...C E Q200 BT3904 DVD R DVD L 0R R243 0R R242 0R R241 AV1 L AV2 RIN AV2 LIN AV1 RIN R227 47R E C B BT3904 Q202 B C E Q201 BT3904 47R R222 SCART2_L SCART2_L R207 0R R206 75R C222 330P NC C229 2U2 R217 10...

Page 18: ...V0S1 AV3 V 2 3 1 D5V0S2 D12 R286 47R R287 0R 3 1 2 P204 C245 560P AV3 VIN MUX RIN MUX LIN PC RIN PC LIN 1 2 3 4 5 6 P206 MUX RIN MUX LIN PC RIN PC LIN R278 10K C243 560P R277 12K R280 10K C244 560P R2...

Page 19: ...RIN GIN BIN PROTECT R980 4K7 NC R403 4K7 R441 NC 1K R408 1K B C E Q402 C143ZT C410 0 1U B C E Q401 C143ZT 3 3VSTB R410 10K R406 10R R405 10R VGA DDC 5V R404 4K7 R402 4K7 R401 2K2 R400 2K2 0R R437 TXD0...

Page 20: ...02MN R505 4K7 NC AVCC33 R545 4K7 NC R543 4K7 NC 1 3 2 D508 1 3 2 D501 2N7002 Q503 C507 0 1U L501 30R 1 2 3 4 U508 LD1117S33 1 2 3 D503 BAT54C R555 37K R1X2 CEC DSCL_1 DSDA_1 HPD1 HDMI_VCC1 R1XC AVCC33...

Page 21: ...3 2 1 U303 F25L008A C301 10U 5V_USB2 R330 100K C300 10U R345 910R USB2_D C338 4U7 NC 4K7 R397 NC C390 10P NC C324 10P NC B E C Q302 BT3906 R320 4K7 PWM0 IR_SYNC 1 2 3 4 5 6 7 8 R3116 100R 8 7 6 5 4 3...

Page 22: ...120R VCC_PANEL L813 120R C812 0 1U C813 0 1U C818 1U C821 0 1U C816 0 1U C807 47U 10V C804 47U 10V C806 22U 10V C805 22U 10V C809 0 1U VCC_1 26V 3 3VSTB C810 6800P C817 6800P C820 0 1U C814 0 1U C815...

Page 23: ...L831 30R PW_CTL C874 0 1U L823 30R L824 30R PW_CTL C898 10U 10K R840 NC 3 3AVDD R819 10K 5V R834 10K R835 10K R844 220R R845 1K2 NC C891 1000P NC R846 10R NC R842 20K Q804 2N7002 7 8 4 2 3 5 6 1 U804...

Page 24: ...1 R PVR R PVR CVBS C267 0 1U C266 47U 16V R444 75R R445 220R C269 47P NC R448 22K 75R R447 CVBSOUT1 R250 1K L208 30R R248 4K7 R249 4K7 B C E Q206 BT3904 G D S Q205 ML6401 DVD COMB CAMERA V Y C259 330P...

Page 25: ......

Page 26: ...3 4 GND 12V 5 6 12V U805 U804 5V DVD U801 3 3V AVDD GND 7 8 12V GND 9 10 GND 5V 2 6V VM 5VST 11 12 5VST 5VSTB GND 13 14 P ON U800 3 3VSTB ADPP AVDD VDD MPLL DIM 15 16 BL ON U803 1 26V PW_CTL on pback...

Page 27: ...trol voltages power on off panel on off on pback if OK check 5vstb voltage if OK Check the relevant circuitry e g power supply B D check relevant circuitry check working conditions of U300 if OK cryst...

Page 28: ...rface assembly if OK check if all signal resources have defect picture Check relevant signal channel Y replace the panel or U300 Replace the LVDS line if the defect picture still have all signal chann...

Page 29: ...orking conditions if regular Test waveform of Pin54 55 of U300 if have regular signal input check waveform of pin1 2 of U600 if regular replace Tuner Z600 Replace U300 AV input if have picture check P...

Page 30: ...oltage of U700 and mute control circuitry if regular Check voltage of Pin23 of U700 and Q700 Q701 and relevant mute circuitry check the pin23 24 of U600 input if normal Picture Good but No Sound incre...

Page 31: ...el also view the panel if have backlight If have backlight it shows that have inverter voltage supply 2 Check if have voltage of Vcc panel for CMO panel LG PHILIPS L32OW 12V Some other small size pane...

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Page 39: ...output n Video IF for Multi Standard Analog TV Digital low IF architecture Stepped gain PGA with 26 dB tuning range and 1 dB tuning resolution Maximum IF analog gain of 37 dB in additional to digital...

Page 40: ...e 12 bit RGB gamma CLUT 3 D video noise reduction Frame rate conversion n On Screen OSD Controller 16 256 color palette 256 512 1 bit pixel font 128 256 4 bit pixel font Supports texture function Supp...

Page 41: ...C PLL an integrated DVI HDCP HDMI receiver a multi standard TV video and audio decoder a video de interlacer a scaling engine the MStarACE 3 color engine an on screen display controller an 8 bit MCU a...

Page 42: ...76 175 172 170 168 166 165 163 161 159 157 154 152 150 178 177 174 173 171 169 167 164 162 160 158 156 155 153 151 149 148 147 146 145 143 142 141 144 192 191 190 189 188 186 184 182 187 185 183 181 1...

Page 43: ...03 PWYA 10 0001H8 FBX DIODE 1H8 FAST RECOVERY DB1 08 PW37C03 PWYA 10 0FR104 FBX DIODE FR104 FAST RECTIFIER DB2 08 PW37C03 PWYA 10 0FR104 FBX DIODE FR104 FAST RECTIFIER DB3 08 PW37C03 PWYA 10 0RL255 EB...

Page 44: ...AB0102 JTX RES SMD 1K OHM 1 10W 0603 RS2 08 PW37C03 PWYA 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 RS20 08 PW37C03 PWYA 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 RS29 08 PW37C03 PWYA 19 AB0102 JTX RES SMD...

Page 45: ...A 19 CD0103 JTX SMD RES 10KOHM 1 4W 5 1206 RF22 08 PW37C03 PWYA 19 CD0103 JTX SMD RES 10KOHM 1 4W 5 1206 RF21 08 PW37C03 PWYA 19 CD0514 FTX SMD RES 510K OHM 1 4W 1 RF11 08 PW37C03 PWYA 18 DB0474 FNX R...

Page 46: ...PW37C03 PWYA 25 GNJ151 M1X CAP ELEC 150UF 450V 20 30X30 C5 08 PW37C03 PWYA 25 KNA220 M1X CAP ELEC 450V 22UF CB1 08 PW37C03 PWYA 25 NCA102 M1X CE 105 HIGH RIPPLE LR 0 001F 16V CB7 08 PW37C03 PWYA 26 A...

Page 47: ...37C03 PWYA 28 BD0105 KBX SMD CAP 25V 1UF 10 CF8 08 PW37C03 PWYA 28 BD0105 ZFX SMD CAP 1UF 25V 80 20 CF5 08 PW37C03 PWYA 28 BD0105 ZFX SMD CAP 1UF 25V 80 20 CF1 08 PW37C03 PWYA 28 BD0105 ZFX SMD CAP 1U...

Page 48: ...PWYA 66 343740 0B0 HOLLOW RIVET 2 3MMX4 0MMX3 5MM FOR P1 08 PW37C03 PWYA 66 343740 0B0 HOLLOW RIVET 2 3MMX4 0MMX3 5MM FOR C5 08 PW37C03 PWYA 67 H83829 0A0 RAW HEATSINK 00 00 R Y FOR DS4 08 PW37C03 PW...

Page 49: ...N5B KE1 15 LED32R XX0 LED SMD 2V 0 08A LED808 T8 HE9AN5B KE1 15 LED32R XX0 LED SMD 2V 0 08A LED803 T8 HE9AN5B KE1 19 AB0000 JTX RES SMD 0 OHM 1 10W 5 0603 R832 T8 HE9AN5B KE1 19 AB0000 JTX RES SMD 0 O...

Page 50: ...9BS5B SI1 46 35199W 05XG CONN PH 5A 5PIN PITCH 2 0MM J902 T8 LE9BS5B SI1 46 38605W 06XG 6PIN BASE P1 T8 LE9BS5B SI1 47 EAR005 XX0 EARPHONE SOCKET CK3 3 5 3WK E P2 T8 LE9BS5B SI1 47 RCA009 XX4G AV SOCK...

Page 51: ...NS IR BOARD T8 HE9AS5B FC1 63 S40150 AB3G S T SCREW S 4 X 15 AB MTG SPEAKER FRONT CABINET T8 HE9AS5B FC1 T8 HE9AS5B FC1Z TV ASY CABINET ASS Y FRONT CABINET ART T8 HE9AS5B FC1Z 55 839260 2CQ1A DEC FRON...

Page 52: ...B6 DTX SMD DIODE RLZ5 6BTE11 D506 T8 HE9AS5B MA1 09 RLZ5B6 DTX SMD DIODE RLZ5 6BTE11 D507 T8 HE9AS5B MA1 09 RLZ5B6 DTX SMD DIODE RLZ5 6BTE11 D505 T8 HE9AS5B MA1 09 RLZ5B6 DTX SMD DIODE RLZ5 6BTE11 D50...

Page 53: ...10W 5 0603 R804 T8 HE9AS5B MA1 19 AB0000 JTX RES SMD 0 OHM 1 10W 5 0603 R749 T8 HE9AS5B MA1 19 AB0000 JTX RES SMD 0 OHM 1 10W 5 0603 R744 T8 HE9AS5B MA1 19 AB0000 JTX RES SMD 0 OHM 1 10W 5 0603 R432 T...

Page 54: ...OHM 1 10W 5 0603 R312 T8 HE9AS5B MA1 19 AB0100 JTX RES SMD 10 OHM 1 10W 5 R420 T8 HE9AS5B MA1 19 AB0100 JTX RES SMD 10 OHM 1 10W 5 R354 T8 HE9AS5B MA1 19 AB0100 JTX RES SMD 10 OHM 1 10W 5 R406 T8 HE9A...

Page 55: ...HE9AS5B MA1 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 R429 T8 HE9AS5B MA1 19 AB0103 FTX RES SMD 10K OHM 1 10W 1 0603 R315 T8 HE9AS5B MA1 19 AB0103 FTX RES SMD 10K OHM 1 10W 1 0603 R316 T8 HE9AS5B MA1 19...

Page 56: ...8 HE9AS5B MA1 19 AB0123 JTX SMD RES 12K OHM 1 10 J 0603 R277 T8 HE9AS5B MA1 19 AB0123 JTX SMD RES 12K OHM 1 10 J 0603 R279 T8 HE9AS5B MA1 19 AB0123 JTX SMD RES 12K OHM 1 10 J 0603 R628 T8 HE9AS5B MA1...

Page 57: ...HM 1 10W 0603 R715 T8 HE9AS5B MA1 19 AB0333 JTX RES SMD 33K OHM 1 10W 0603 R714 T8 HE9AS5B MA1 19 AB0334 JTX RES SMD 330K OHM 1 10W 5 0603 R807 T8 HE9AS5B MA1 19 AB0339 JTX RES SMD 3 3 OHM 1 10W 5 R70...

Page 58: ...OHM 1 10W 0603 R553 T8 HE9AS5B MA1 19 AB0473 JTX SMD RES 47K OHM 1 10W 0603 R554 T8 HE9AS5B MA1 19 AB0473 JTX SMD RES 47K OHM 1 10W 0603 R636 T8 HE9AS5B MA1 19 AB0473 JTX SMD RES 47K OHM 1 10W 0603 R...

Page 59: ...25 BBB470 M1X CAP ELEC 47 UF 10V 20 C807 T8 HE9AS5B MA1 25 BBB470 M1X CAP ELEC 47 UF 10V 20 C804 T8 HE9AS5B MA1 25 BCB100 M1X CAP ELEC 10 UF 16V 20 C201 T8 HE9AS5B MA1 25 BCB100 M1X CAP ELEC 10 UF 16...

Page 60: ...02 KBX SMD CAP 1000 PF 50V 10 B C228 T8 HE9AS5B MA1 28 AB0102 KBX SMD CAP 1000 PF 50V 10 B C311 T8 HE9AS5B MA1 28 AB0102 KBX SMD CAP 1000 PF 50V 10 B C319 T8 HE9AS5B MA1 28 AB0102 KBX SMD CAP 1000 PF...

Page 61: ...80 20 F C815 T8 HE9AS5B MA1 28 AB0104 ZFX CAP SMD 0 1UF 50V 80 20 F C816 T8 HE9AS5B MA1 28 AB0104 ZFX CAP SMD 0 1UF 50V 80 20 F C875 T8 HE9AS5B MA1 28 AB0104 ZFX CAP SMD 0 1UF 50V 80 20 F C513 T8 HE9A...

Page 62: ...1UF 50V 80 20 F C718 T8 HE9AS5B MA1 28 AB0104 ZFX CAP SMD 0 1UF 50V 80 20 F C717 T8 HE9AS5B MA1 28 AB0152 KBX SMD CAP 1500 PF 50V 10 B C617 T8 HE9AS5B MA1 28 AB0201 JCX CAP SMD 200PF 50V 5 0603 C611...

Page 63: ...10 0603 C363 T8 HE9AS5B MA1 28 AB0473 KBX SMD CAP 0 047UF 50V 10 0603 C362 T8 HE9AS5B MA1 28 AB0473 KBX SMD CAP 0 047UF 50V 10 0603 C358 T8 HE9AS5B MA1 28 AB0473 KBX SMD CAP 0 047UF 50V 10 0603 C359...

Page 64: ...20 C874 T8 HE9AS5B MA1 28 AC0104 ZFX SMD CAP 16VDC 100NF 80 20 C877 T8 HE9AS5B MA1 28 AC0104 ZFX SMD CAP 16VDC 100NF 80 20 C881 T8 HE9AS5B MA1 28 AC0104 ZFX SMD CAP 16VDC 100NF 80 20 C844 T8 HE9AS5B...

Page 65: ...AS5B MA1 28 BC0105 ZF4 SMD CAP 1 UF 16VDC 80 20 0805 C801 T8 HE9AS5B MA1 28 BC0105 ZF4 SMD CAP 1 UF 16VDC 80 20 0805 C895 T8 HE9AS5B MA1 28 BC0475 ZFX SMD CAP 4 7 UF 16V 80 20 C890 T8 HE9AS5B MA1 28 B...

Page 66: ...220 MTX COIL 22U NR8040T220M L703 T8 HE9AS5B MA1 34 R102K2 0EX COIL CHOKE 1000UH 10 EL0606RA 102K P L606 T8 HE9AS5B MA1 34 R102K2 0EX COIL CHOKE 1000UH 10 EL0606RA 102K P L607 T8 HE9AS5B MA1 40 02MS91...

Page 67: ...MD 2 7K OHM 1 10W 0603 R969 T8 HE9AS5B MA1 09 55C6V8 DTX SMD DIODE 6 8V BZV55 C6V8 D704 T8 HE9AS5B MA1 28 AB0102 KBX SMD CAP 1000 PF 50V 10 B C960 T8 HE9AS5B MA1 28 AB0102 KBX SMD CAP 1000 PF 50V 10 B...

Page 68: ...R YD70 7T 8 8W T8 HE9AS5B RC2 46 40299H 01XG WIRE UL1617 18 250MM 1 FROM POWER BD TO M BD T8 HE9AS5B RC2 46 BB350B SS4H1G WIRE N 350MM 40 T8 HE9AS5B RC2 46 CV060T 06A01G WIRE TJC3 600 400MM 2 M BD P70...

Page 69: ...WOOFER BOX T8 HE9AS5B RC2 63 W30120 AB3G S T SCREW W 3 X 12 AB MTG WOOFER BOX WOOFER COVER T8 HE9AS5B RC2 67 M84557 1G0 TV RAW HOLDER POWER 01 00 R Y T8 HE9AS5B RC2 89 BX8915 JZ0U SUNDRIES TAPE ADHES...

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