TCL LCD20W5HE Service Manual
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TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 76 C314 065T0603104 32 CHIP 0.1UF 50V X7R C315 065T0603104 32 CHIP 0.1UF 50V X7R C316 065T0603104 32 CHIP 0.1UF 50V X7R C317 065T0603104 32 CHIP 0.1UF 50V X7R C318 065T0603104 32 CHIP 0.1UF 50V X7R C319 065T0603104 32 CHIP 0.1UF 50V X7R C732 065T0603105 17 CHIP 1UF 16V Y5V C733 065T0603105 17 CHIP 1UF 16V Y5V C445 065T0603180 31 CHIP 18PF 50V
20” LCD TV TCL LCD20W5HE 44 DIN8 L503 L 1 4 2 3 3V_SCL DIN7 C439 0.1uF C121 0.1uF R157 4.7K 1/16W RX_DDC_SCL R150 0 1/16W XI DIN3 C124 0.1uF C130 1000pF C120 10uF/16V SiI 9011 128-Pin LQFP SiI 9011 U501 16 17 20 21 22 23 26 27 28 29 32 33 34 35 2 3 4 5 8 9 10 11 14 1
20" LCD TV TCL LCD20W5HE 65 U103 056T 614 1 IC 74HC4052D PHILIPS U605 056T 614 1 IC 74HC4052D PHILIPS U407 056T 615 9 NO APP EM6A9320BI-5MG U408 056T 615103 IC61C256AH-12T TSOP-1 U408 056T 615104 LY61256RL-12E TSOP-1 U
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 58 0Q1T 340 12128 CR3 SCREW 0Q1T 930 6128 CR3 SCREW 0Q1T 930 6128 CR3 SCREW 0Q1T1830 6120 SCREW 0Q1T3040 8 47 CR3 SCREW 705TQAK0B34045 BACK COVER ASS'Y 750TVMA1WB1 CMO 20.1"C1 (C2) PANEL ADPC24100B1P POWER BOARD CBPFAF5BMTEQP MAIN BOARD IOPFAA4P IO BOARD FOR ROHS Q15T6269 3 SHIELD-BKT Q40T 20065412A RATING LABEL Q40T 58190210A IO LABEL Q40T0001654 3A LABEL FO
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 67 R5 061V0603000 CHIPR 0OHM +-5% 1/10W R500 061V0603000 CHIPR 0OHM +-5% 1/10W R502 061V0603000 CHIPR 0OHM +-5% 1/10W R519 061V0603000 CHIPR 0OHM +-5% 1/10W R603 061V0603000 CHIPR 0OHM +-5% 1/10W R615 061V0603000 CHIPR 0OHM +-5% 1/10W R616 061V0603000 CHIPR 0OHM +-5% 1/10W R636 061V0603000 CHIPR 0OHM +-5% 1/10W R431 061V0603000 CHIPR 0OHM +-5% 1/10W R661 061V0603000 CHIPR 0OHM +-5%
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 16 3. Precautions and Notices 3.1 Assembly Precaution (1) Please do not press or scratch LCD panel surface with anything hard. And do not soil LCD panel surface by touching with bare hands (Polarize film, surface of LCD panel is easy to be flawed) In the LCD panel, the gap between two glass plates is kept perfectly even to maintain display characteristic and reliability. If this panel is subject to hard pressing, the following occurs: (a) Uniform color (b) Orientation of liquid crystal becomes disorder (2) Please wipe out LCD panel surface with absorbent cotton or soft cloth in case of
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 62 SMTIRPFAA1P LCD TV IR BOARD AUTO INS 095T 900 53 HARNESS 95MM SMTKEPFA60KB3P KEY BOARD SMT FOR ROHS 005T 42 1 CUSHION 012T 372 1 MICA Q930 057T 600 35 STP8NK80ZFP BY ST TO-220FP Q910 057T 667 24 STP20NM60 FP 090T6268 1 HEAT SINK D910 093T 220 23 DIODE FMX-G26S TO-220 SANKEN 0M1T1730 10128 CR3 SCREW 090T6267 1
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 43 A2 R414 10K 1/16W 5V-1_CPU RD_EMU 3 R830 100 1/1 6W N C R840 4.7K 1/16W R437 100 1/16W A0 R453 4.7K 1/16W R281 4.7K 1/16W A[8..14] 14 A16 R425 100 1/16W U406 24LC64 8 5 6 4 73 2 1 VCC SDA SCL GND VCLKNC2 NC1 NC0 INT# 3 E_PAGE A4 R800 100 1/16W PANPWR _ON 12 A6 R816 100 1/16W 5V-1_CPU A[8..18] R431 0 1/16W C334 100uF/16V R836 100 1/16W R419 4. 7K 1/ 16W MUT E 1 1 SVID EO_SW2 TP3 9 R415 100 1/16W R418 22 1/16W VGAVS2 A3 A8 RST_7117 R808 4.7K 1/16W
20" LCD TV TCL LCD20W5HE 75 C20 065T0603104 32 CHIP 0.1UF 50V X7R C21 065T0603104 32 CHIP 0.1UF 50V X7R C22 065T0603104 32 CHIP 0.1UF 50V X7R C221 065T0603104 32 CHIP 0.1UF 50V X7R C225 065T0603104 32 CHIP 0.1UF 50V X7R C23 06
20” LCD TV TCL LCD20W5HE 53 R101 9 3W R102 75 1/16W SIF_OUT 3 AGND + C103 10uF/16V AGND R111 100 1/16W SCL 1,3 SDA 1,3 R116 100 1/16W AGND 5V R110 220 1/16W R103 75 1/16W L105 NC AGND L107 600 OHM U105 AZ1117D-5.0 3 2 1 VI VO GND R104 220 1/16W C109 0.1uF/16V
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 4 1. General Specifications Items Specification Screen Size 20” (51cm) Driving system TFT-LCD Panel (CMO) Resolution 1366×768 Display Area 444.633(H) x 249.984 (V) Pixel Pitch 325.5um × 325.5um Display colors 16.2 million Contrast Ratio 1000:1 (Typical) Brightness 500 cd/m 2 (Typical) Viewing Angle 176(H)/176(V) (CR>20) Response Time 8ms LCD Panel Lamp Type/Life 60000 hr TV Standard PAL B/G, D/K, I, L/L’ and SECAM L/L’(Multi-Europe) Full Channel with Electronic PLL Tuner Sound Systems NI
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 78 C723 067T 312100 3 SMD EC 10UF 16V 85C B C721 067T 312100 3 SMD EC 10UF 16V 85C B C718 067T 312100 3 SMD EC 10UF 16V 85C B C64 067T 312100 3 SMD EC 10UF 16V 85C B C637 067T 312100 3 SMD EC 10UF 16V 85C B C636 067T 312100 3 SMD EC 10UF 16V 85C B C635 067T 312100 3 SMD EC 10UF 16V 85C B C50 067T 312100 3 SMD EC 10UF
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 22 6.4 Abnormal Display Check the source OK Reset source NG Check signal filter circuit NG Replace the filter or inductance OK Check U106 NG Replace U106 RF signal Check TV system setup OK Check TU101 Replace TU101 AV, SCART1/2_CVBS signal OK NG Check U107 NG Replace U107 S-video SCART2_Y/C signal Check U104 NG Replace U104 PC signal Check U102 NG Replace U102 OK Check U401, U407 NG Replace U401
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 59 0Q1T1830 6120 SCREW HJPFA60A8P HEADPHONE JACK BOAED IRPFA60A6P IR BOARD FOR ROHS KEPFA60KB5P KEY BOARD FOR ROHS Q33T4833 RG 1L ID1 NO KEY COVER Q34T0109 14A1P COVER OPENING BORDER Q34T1657 RG 1A BEZEL Q36T 803 KN 4C SPEAKER GRILL W33T4836 RG L STAND MID CN904 033T3802 14 CONN CN903 033T800910Q H PIN HEADER 1*10P R/A 040T 45762420A S/N LABEL PC991 056T 139 3A PC123Y22FZOF PC990 056T 139 3A PC123Y22FZOF PC950 056T 139 3A
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 55 AV1_R R643 0 1/16W R636 47K 1/16W Low RN102 47K 1/16W 1 2 3 4 8 7 6 5 R640 47K 1/16W Low 8V AIR11 R637 0 1/16W C658 470pF 8V + C659 10uF/16V J104 JACK 23 1 R638 47K 1/16W R644 0 1/16W R647 0 1/16W L608 600 OHM COMP_AIR1 L607 600 OHM + C655 10uF/16V O / P R639 47K 1/16W + C663 10uF/16V AIL11 + C661 10uF/16V AV 8V AUDIO_SW22 R648 0 1/16W SCART1_R_IN 3 High AV1_L 3 NC + C660 10uF/16V L605 600 OHM High R635 0 1/16W COMP R645 0 1/16W PAL INPUT 1 FOR MSP3
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 46 DIN7 R501 47 1/16W AI34 X1 R519 0 1/16W RN42 33 1 2 3 4 8 7 6 5 VS_VPC VDD3.3 SCART2_C 2 X3 SCART1_FB 2 AI24 VDD1.8 HS_VPC 715T1539-1-2 AI11 HS_VPC R495 47 1/16W SCART1_G 2 C398 680pF R504 75 1/16W NC R531 1K 1/16W Option AI21 AI12 C373 0.022uF R487 0 1/16W R488 0 1/16W AI14 LLC X7 1 SAA7117A AOC (Top Victory) Electronics Co., Ltd. B 10 14 Tuesday , May 30, 2006 Tit le Size Document Number Rev Date: Sheet of DIN4 AI22 Logic 0 for slave address 42h/43h and 4Ah/4Bh Logic 1 for slave address 40h/41h and 48h/49h DIN5 VS_VPC
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 21 6.3 No Display (LED indicator green) Check the source OK Reset source NG Check LVDS cable NG Reset LVDS cable OK Check 24V power supply NG Return to “6.1” OK Check main board power supply OK Check U401 NG Replace U401 OK Check I 2 C communication OK Check panel NG Replace panel
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 66 R651 061L0603104 RST SM 0603 RC0603 100K R633 061L0603104 RST SM 0603 RC0603 100K R632 061L0603104 RST SM 0603 RC0603 100K RN41 061V 125000 8 CHIP ARRAY 0 OHM RN59 061V 125101 8 CHIP ARRAY 100OHM 1/15W 8P4R RN58 061V 125101 8 CHIP ARRAY 100OHM 1/15W 8P4R RN25 061V 125101 8 CHIP ARRAY 100OHM 1/15W 8P4R RN24 061V 125101 8 CHIP ARRAY 100OHM 1/15W 8P4R RN12 061V 125103 8 CHIP ARRAY 10K OHM 1/16W 8P4R RN8 061V 125150 8 CHIP ARRAY 15 OHM 1/16W 8P4R RN
TCL LCD20W5HE, 20” LCD TV TCL LCD20W5HE 25 7. Mechanical Instructions Step Figure Description Preparation Lay the LCD-TV on a flat, soft and clean surface. Remove the stand. Remove the screws remarked on red to remove the stand. Remove the back cover Remove the screws marked in red to remove the back cover.
20" LCD TV TCL LCD20W5HE 63 JR930 061V1206000 CHIP 0 OHM 1/8W JR910 061V1206000 CHIP 0 OHM 1/8W JR990 061V1206000 CHIP 0 OHM 1/8W R967 061V1206000 CHIP 0 OHM 1/8W JR940 061V1206000 CHIP 0 OHM 1/8W R969 061V1206000 CHIP 0 OHM
TCL LCD20W5HE, 20" LCD TV TCL LCD20W5HE 79 C409 067T 312220 3 SMD EC 22UF 16V 85C C411 067T 312220 3 SMD EC 22UF 16V 85C C713 067T 312220 3 SMD EC 22UF 16V 85C C715 067T 312220 3 SMD EC 22UF 16V 85C C809 067T 312220 3 SMD EC 22UF 16V 85C C811 067T 312220 3 SMD EC 22UF 16V 85C C429 067T 312220 3 SMD EC 22UF 16V 85C C278 067T 312220 3 SMD EC 22UF 16V 85C C275 067T 312220 3 SMD EC 22UF 16V 85C C274 067T 312220 3 SMD EC 22UF 16V 85C C267 067T 312220 3 SMD EC 22UF 16V 85C C257 067T 312220 3
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