TCL L32E9A-MS91AP, Service Manual

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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: ...240V 50 60Hz Audio Power Output 5W 2 8W Woofer Power Consumption TV on 130W Sound Processing NICAM B G D K I Stereo A2 Power Consumption Standby 3W DVSS Dolby Virtual Surround Default Color of Front...

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: ...C1 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 330...

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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: ...7C03 PWYA 41 WJ0060 B00 WIRE BARE JW1 08 PW37C03 PWYA 41 WJ0075 B00 WIREBAREJUMPER7 5MM J9 J16 08 PW37C03 PWYA 41 WJ0080 B00 WIREBAREJUMPER8MM J18 08 PW37C03 PWYA 41 WJ0100 B00 WIREBAREJUMPER10MM J5 J...

Page 44: ...C 20 E CY4 08 PW37C03 PWYA 26 APK471 KB4 TCL26 APK471 KB4 CAP CER 470 PF 250VAC CY1 CY2 CY3 08 PW37C03 PWYA 27 AKQ333 J0B CAP PP 33N 1KV _5 CW6 08 PW37C03 PWYA 27 AQQ474 KV3 FILM CAP 0 47UF 275VAC CX2...

Page 45: ...SMD SWITCHING DIODE LL4148 DW4 DW3 DW6 08 PW37C03 PWYA 09 MBRX14 STX DIODE MBRX140 D4 08 PW37C03 PWYA 12 2N7002 0BX SMD TRANSISTOR 2N7002 Q1 08 PW37C03 PWYA 12 BT3904 0BX SMD TRANSISTOR MMBT3904LT1 N...

Page 46: ...8W 5 RF7 08 PW37C03 PWYA 19 BC0472 JTX SMD RES 4 7K OHM 1 8W 5 R17 R16 08 PW37C03 PWYA 19 BC0621 FTX SMD RES 620 OHM 1 8W 1 RS27 08 PW37C03 PWYA 19 BC0822 FTX SMD RES 8 2K OHM 1 8W 1 RW7 08 PW37C03 P...

Page 47: ...VDC 10 0805 CF3 08 PW37C03 PWYA 28 BD0105 KBX SMD CAP 25V 1UF 10 CF8 08 PW37C03 PWYA 28 BD0105 ZFX SMD CAP 1UF 25V 80 20 CF5 CF1 CW3 CF6 T8 HE9AN5B LE1 18 CB0472 JNX CARBON RES C F 4 7K OHM 1 6W 5 R37...

Page 48: ...ITCH 2 0MM P206 T8 HE9AN5B MA1 46 35199W 07XG CONN PH 7A PITCH 2 0MM 7PIN P700 T8 HE9AN5B MA1 46 35199W 10XG CONN PH 10 10PIN PITCH 2 0MM P303 NEAR PIN1 INSERT T8 HE9AN5B MA1 46 38605W 12XG PIN BASE T...

Page 49: ...0BX TRA SIG SM PDTC143ZT SMT SPARE H3 HE9AN5B YM0A 12 C144ET 0BX SMD TRANSISTOR PDTC144ET SMT SPARE H3 HE9AN5B YM0A 19 AB0000 JTX RES SMD 0 OHM 1 10W 5 0603 SMT SPARE H3 HE9AN5B YM0A 19 AB0100 JTX RES...

Page 50: ...SMT SPARE H3 HE9AN5B YM0A 19 AB0472 FTX SMD RES 4 7K OHM 1 10W 1 SMT SPARE H3 HE9AN5B YM0A 19 AB0472 JTX RES SMD 4 7K OHM 1 10W 0603 SMT SPARE H3 HE9AN5B YM0A 19 AB0473 JTX SMD RES 47K OHM 1 10W 0603...

Page 51: ...M0A 28 AB0224 ZFX CAP SMD 0 22UF 50V 80 20 0603 SMT SPARE H3 HE9AN5B YM0A 28 AB0271 JCX SMD CAP 270 PF 50V 5 C SMT SPARE H3 HE9AN5B YM0A 28 AB0331 JCX SMD CAP 330 PF 50V 5 0603 SMT SPARE H3 HE9AN5B YM...

Page 52: ...SMT SPARE H3 HE9AN5B YM0A 33 KLN221 NTX CHIP BEAD 0603 220 OHM SMT SPARE H3 HE9AN5B YM0A 33 KLN300 NTX CHIP BEAD 30 OHM SMT SPARE H3 HE9AN5B YM0A 33 KLN601 NTX CHIP BEAD 600 OHM 25 SMT SPARE H3 HE9AN...

Page 53: ...12 A04411 0BX PCHANNEL MOSFET A04411 Q805 T8 HE9AN5B MA1 12 BC846B 0BX TRANSISTOR BC846B Q600 T8 HE9AN5B MA1 12 BT3904 0BX SMD TRANSISTOR MMBT3904LT1 NPN Q800 Q700 Q601 Q2 02 Q201 Q200 T8 HE9AN5B MA1...

Page 54: ...8 HE9AN5B MA1 19 AB0100 JTX RES SMD 10 OHM 1 10W 5 R420 R406 R405 R8 46 R843 R422 R421 R356 T8 HE9AN5B MA1 19 AB0100 JTX RES SMD 10 OHM 1 10W 5 R355 R354 T8 HE9AN5B MA1 19 AB0101 JTX RES SMD 100 OHM 1...

Page 55: ...W 0603 R370 R369 R368 T8 HE9AN5B MA1 19 AB0221 JTX RES SMD 220 OHM 1 10W 0603 R647 R563 T8 HE9AN5B MA1 19 AB0222 JTX RES SMD 2 2K OHM 1 10W 0603 R706 R666 R612 R4 00 R401 T8 HE9AN5B MA1 19 AB0223 JTX...

Page 56: ...T8 HE9AN5B MA1 19 AB0562 JTX SMD RES 5 6K OHM 1 10W 5 0603 R667 T8 HE9AN5B MA1 19 AB0682 JTX RES SMD 6 8K OHM 1 10W 0603 R1013 T8 HE9AN5B MA1 19 AB0683 JTX RES SMD 68K OHM 1 10W 0603 R203 R806 T8 HE9...

Page 57: ...UF 50V 10 0603 C623 C641 C643 C6 14 C522 C346 C343 C879 T8 HE9AN5B MA1 28 AB0103 KBX SMD CAP 0 01 UF 50V 10 0603 C882 C888 C345 C3 44 T8 HE9AN5B MA1 28 AB0104 KBX SMD CAP 50VDC 0 1UF 10 06 C715 C650 C...

Page 58: ...17 C7 T8 HE9AN5B MA1 28 AB0472 KBX CAP SMD 4700PF 50V 10 0603 C723 C609 T8 HE9AN5B MA1 28 AB0473 KBX SMD CAP 0 047UF 50V 10 0603 C375 C370 C369 C3 68 C357 C358 C359 C939 T8 HE9AN5B MA1 28 AB0473 KBX...

Page 59: ...E9AN5B MA1 28 HB0100 JCX SMD CAP 10 PF 50V 5 0402 C13 C14 C26 C27 C 28 C29 C30 C31 C3 2 C33 T8 HE9AN5B MA1 28 HC0104 ZFX SMD CAP 100NF 16V 80 20 C382 C518 C515 C5 14 C516 C517 C837 C827 T8 HE9AN5B MA1...

Page 60: ...RA R104 R105 T8 LE9BS5B SI1 28 AB0102 KBX SMD CAP 1000 PF 50V 10 B C193 C189 T8 LE9BS5B SI1 28 AB0104 ZFX CAP SMD 0 1UF 50V 80 20 F C191 T8 LE9BS5B SI1 40 MS91E9 SIB1XG TV PCB SI BD R Y H3 HE9AN5B YM0...

Page 61: ...PA8 70 271510 00A SERVICE CARD T8 HE9AN5B PA8 70 THOMYM WAR9A TV PRI GUIDE SHEET TX81 A5 R N T8 HE9AN5B PA8 71 BAR006 0A9 TV PRI LABEL E001 R N T8 HE9AN5B PA8 71 ELK900 031G3 TV PRI LABEL L32E9A WHITE...

Page 62: ...01 MTG TO BELOW OF THE CIRCUMSCRIBE T8 HE9AN5B RC5 54 701940 00X FELT TAPE 870MMX20MMX0 3MM MTG AV BRACKET REAR CABINET T8 HE9AN5B RC5 54 EM2030 0U2 FOAM CONDUCTIVE 80DB 800 R Y FOR POWER BRACKET T8...

Page 63: ...IGHT LINE H3 HE9AN5B YM0A 67 L80629 1N81A LOGO PRODUCTION SPARE T6 019W49 AAA1X 06 019W49 A001X RCT PHILIPS T8 HE9AN5B FC2 54 3MDS15 JZ1 TAPE ADH ADHESIVE TAPE 3MDS15P 0 4MM 6MM MTG DECOR SHEET FRONT...

Page 64: ...0 06MM 00 00 00 R Y PACK STANDING NECK T8 32E9EM BS3 74 014016 20H RAW BAG 00 00 00 R Y PACK STANDING STANDING SUPPORTER T8 32E9EM BS3 74 032065 20HEM DEC BAG 320X650MM R Y PACK STAND AXLE ASS T8 HE9A...

Page 65: ...R T8 HE9AN5B RC5 59 842690 000 TV RAW CUSHION SOUND BOX RUBBER 00 00 R MTG TO WOOFER COVER T8 HE9AN5B RC5 62 839320 0HN TV RAW COVER WOOFER BOX 01 00 00 R N MTG TO REAR CABINET T8 HE9AN5B RC5 62 83934...