TCL L32B2800 Service Manual
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TCL L32B2800 Service Manual

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SERVICE MANUAL
1. Caution
2. Specification
3. Alignment Procedure
4. Block Diagram
5. Scheme Diagram
6. PCB Layout
7. Trouble Shooting
8. Explode Diagram
9 BOM List
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
TCL
0 MS08PA-LA
L32B
2
6
7
2
2
27
35
36

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Summary of Contents for TCL L32B2800

  • Page 1 SERVICE MANUAL 0 MS08PA-LA L32B 1. Caution 2. Specification 3. Alignment Procedure 4. Block Diagram 5. Scheme Diagram 6. PCB Layout 7. Trouble Shooting 8. Explode Diagram 9 BOM List 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...
  • Page 2 SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.
  • Page 6 PRODUCT SPECIFICATION RELEASE Model: L32B2800/MS08PA-LA/CS2 Version：1.0 Issued On: 2014-05-06 Basic Information Media Format LCD Smart TV Product Type Music MP3/AC3/HE-AAC/LPCM MS08PA-LA Chassis Picture JPEG/PNG/BMP/MPO 800MHz H.264/MPEG2/MPEG4/Motion JPEG Video Linux Memory 2Gb DDR3 / 4Gb Nand Flash File OSD Language English/Portuguese/Spanish Signal Format Capability PAL M/N，NTSC-M...
  • Page 7 Pre-Installed Application List Special Function PVR (Personal Video Record) allows you to YouTube V4 YouTube Leanback record your favorite TV programme. Opera TV Store compact TV appstore Facebook Social Network Picasa is a software for you to search, edit Picasa and manage photos.
  • Page 8 Factory Test & Alignment Specification For MS08P-LA Series (V1.0) R&D CENTER Factory Test & Alignment Specification (FTAS) for MS08 -LA Series Version 1. PREPARED BY: Hongxin Gao DATE: 2014-04-23 APPROVED BY: DATE: Page 1 of 9...
  • Page 9 Factory Test & Alignment Specification For MS08P-LA Series (V1.0) Disclosure The information contained in this document is proprietary to TCL IPC R&D CENTER and shall not be disclosed by the recipient to third persons without the written permission of the team leader or GM of R&D.
  • Page 10 Factory Test & Alignment Specification For MS08P-LA Series (V1.0) These chassis are designed for Latin America (LA) markets ready for IPTV. The main chip is from Mstar and supports below features matrix: Class Item MS08 -LA Cable & Antenna ( PAL M/PAN N/ NTSC) Antenna (ISDB-T) HDMI...
  • Page 11 TUNER_3.3V （ ） 1.2. SW Image download Developing Download the latest release SW from below PDM system: - Link: http://sw.tcl-cctv.com - Username: - Password: See Appendix “How to upgrade FLASH SW using USB” 1.3. Project ID Modification There a re di fferent ID stored into the NV M depen ding on dif ferent Panels settings and Models features, but there’s only one key branching Project ID that includes all.
  • Page 12 Factory Test & Alignment Specification For MS08F1-LA Series (V1.1) L55S4600F LVF550ND2L CD9W00 V3 1.4. Functional Test Once the b oards (chas sis, KB, IR, PSU…) an d the p anel are w ell interconnected, plug all external generator devices to relevant inputs/outputs below according to their respective test patterns format and check picture content and sound quality accordingly: Source Test Signal...
  • Page 13 Press RCU “Exit” key exit the Factory menu. See Appendix “Factory Menu Description” 2.2. Warm-up Following TCL standard and practices, it’s required minimum 15min of Warm-Up that can be considered as Burn-In. Additional Aging for White Balance alignment is no more necessary due to consistent Picture Performance with Cloning usage.
  • Page 14 Factory Test & Alignment Specification For MS08F1-LA Series (V1.1) At final process st age, it’ s necessary to perform “Reset shop” before any p acking to lea ve Factory mode and restore User default presets. This function is accessible by selectin g “Factory menu SHOP init”, then pressing RCU “OK”...
  • Page 15 Factory Test & Alignment Specification For MS08F1-LA Series (V1.1) 2- Warm-Up Mode submenu Item Sub-item Value Note Select panel On with left/right key, Press “EXIT” key to enter the burning mode; Warm-UP f/On Press “Menu” key on keyboard to exit the Mode burning mode 3-ADC submenu...
  • Page 16 Factory Test & Alignment Specification For MS08F1-LA Series (V1.1) Item Sub-item Value Note ON: The s et will power on after switching on power Power ON/LAST/ST STB: Force TV to start in standby On Mode Last: F orce T V t o st art f rom last power status 8-USB UPDATE submenu Item...
  • Page 17 0.1U 3_3VSB 0.1U 1000P P104 DD-MM SBU : TCLNO: 40-MS39A0-MAA2HG DD-MM TCL Thomson Electronics Ltd. DD-MM B Building, TCL Tower, Nanhai Road Nanshan District, Shenzhen, Guangdong DD-MM DESIGNATION Tel +86-755-3331xxxx Fax +86-755-3331xxxx DRAWN Index-Lab DATE NAME DESCRIPTION Last modif CHECKED PAGE: ...
  • Page 18 TU1_VCC Close to tunter C201 T_SDA T_SDA R201 TU1_SCL T_SDA The impedance Zi between FAT+ & FAT- should be >=1K T_SCL R202 TU1_SDA The total capacitance should be <=40PF C202 TUNER_AGC IF-AGC Close to MSTAR SOC TU1_VCC C205 RF_SW C204 3_3V R208 TUNER_FAT+...
  • Page 19 IPTV IN WLAN CONNECTOR ETHERNET F308 F309 F310 F311 F312 F307 AV Output Must be differential 100ohm U300 TXVP_0 NET_TX1P DGND AVOUT1_V R320 R321 NET_TXC CVBS AVOUT1_V P311 TXVN_0 NET_RXC NET_TX1N NET_RX1N C325 R335 C313 RX1N AVOUT_L AVOUT_R 1000P 220K TS8121CLF 1000P F303...
  • Page 20 P800 P801 F406 H1_HPD H1_RX2+ F416 P802 RX2+ H3_HPD F411 H3_RX2+ H2_HPD F407 RX2+ H2_RX2+ H1_SCL GND1 F417 RX2+ H3_SCL GND1 F412 H1_RX2- H2_SCL MHL_DETECT F408 GND1 H1_SDA RX2- H3_RX2- F418 H3_SDA RX2- H1_RX1+ F413 H2_RX2- H2_SDA RX1+ F409 H3_RX1+ RX2- H_CEC RX1+...
  • Page 21 3_3VSB L541 PANEL_VCC Q505 PMV65XP PANEL_VCC L542 R543 WP DO R504 C502 R502 NC/10K NC/0.1U 10K/NC U500 R544 SPI_CSN Q506 PANEL_ON SPI_SDO HOLD# BT3904 LO =>Panel OFF SPI_WP SPI_SCK R545 HI =>Panel ON C501 R546 SPI_SDI R503 EN25B32 NC/4K7 0.1U/NC 13-W25Q32-BVB 3_3VSB R540 22R...
  • Page 22 core power VCCK 3_3VSB C606 C607 C608 C609 C604 C613 C610 C611 C612 0.1U 0.1U 0.1U 0.1U 10U/NC 0.1U/NC 0.1U/NC 0.1U/NC R623 POWER_DET 1_5V 1_5V C615 C616 C617 C618 C619 C620 C621 0.1U 0.1U 0.1U 0.1U/NC 0.1U/NC DDR3 POWER C602 0.1U AUVRM AUVAG...
  • Page 23 U700 U700 U700 PCM_D0 TS0_D0 PCM_D1 TS0_D1 PCM_D2 TS0_D2 H1_RX0- LINE_IN_0L A_RX0N H1_RX0+ PCM_D3 TS0_D3 AA18 AA15 VGA_RED_IN LINE_IN_0R A_RX0P RXVN_1 AV/YPBPR_L_IN PCM_D4 TS IN TS0_D4 H1_RX1- RIN0P LINE_IN_1L A_RX1N VGA_SOG_IN RXVP_1 AV/YPBPR_R_IN H1_RX1+ PCM_D5 TS0_D5 GIN0M LINE_IN_1R A_RX1P VGA_GRN_IN TXVN_0 H1_RX2- PCM_D6...
  • Page 24 Power AMP TPA3113D2 D801 R802 R803 0BAV99 C801 3_3VSB R829 L800 100K 12VA 392170 U800 C810 C811 R804 BT3906 R810 1000P Q802 0.1U close to SOC PVCCL2 12VA L801 C812 C835 R811 R822 22UH FAULT PVCCL1 R818 AMP_L_OUT 0.22U C828 AMP_L 100R AMP_L_OUT...
  • Page 25 D500 +50VLED ZD500 R504 R501 MUR460 250VAC 3.15A RL255 RL255 ZD501 6V8 C501 R502 RL255 RL255 1000P R503 NTC1 NTC2 L100 +12VA 0.8UH MBR10100 D100 VCC1 PGND 100K 100K MDF10N65B R100 C100 1000P GATE +50VLED R101 BT3906 +12VA VCC1 R200 PGND 470R OB2273B...
  • Page 26 Power OK, backlight OK,no picture Check the voltage of Replace R270 pin ‘s’ of q208 and R271 Check the voltage of ‘g’ of Check the output of Q208 Q208 OR replace Q208 Measure the wave of Check the supply of U201 LVDS signal Replace panel...
  • Page 27 TV no picture Measure the wave Check the voltage of repair the circuit of of pin 8,9 of U1 pin 6 ,7 of u1 U101 and Q102 Check the circuit measure the wave of between U1 and Check the U201 SDA and SCL U201 Replace u1...
  • Page 28 AV no picture Upgrade Software of U202 ok? Replace Check the components the bad between AV port and U201 Replace Check U201 ok? U201 VGA/YPbPr no picture Check the peripheral components of U201 Check the components between Replace VGA/YPbPr port and U201 the bad Replace the bad...
  • Page 29 Picture OK, all source no sound Check the voltage of Repair the 12v supply pin 3,13 of U602 Check the pin 6 of u602 Check q607,q608,q609 Check the pin 7 of u602 repair R691 and R692 Check the wave of PIN 4,12 of U602 check u601 and volume control Replace U602 or replace...
  • Page 30 Standby +5.0VSB OK, +5.0V NG Check the voltage of Check before Q305 pin ‘s’ of q305 Check the voltage of ‘g’ of Check the output of Q305 Q305 OR replace Q305 Check U303,U304 short to Gnd Replace the bad...
  • Page 31 The picture bad Replace the wire from P202A to t-com Replace the Replace panel chassis Check the circuit between p202a and U201 Upgrade the software...
  • Page 33 H4-HB280SZ6-AG61 32B2800/MS08PA-LA/CS2/TT E155 V5/WIFI parent child description BOM text H4-HB280SZ6-AG61 06-519W49-C003X RCT TCL LOGO BLACK 3V 0.3A 3UA 11490007 H4-HB280SZ6-AG61 T8-32B280TY-KE1 ASS'Y - KEY BD T8-32B280TY-KE1 48-TAC001-XX0 TACT SWITCH T8-32B280TY-KE1 48-TAC001-XX0 TACT SWITCH T8-32B280TY-KE1 48-TAC001-XX0 TACT SWITCH T8-32B280TY-KE1 48-TAC001-XX0 TACT SWITCH...
  • Page 34 T8-32LAZ6-PW3 36-LIF236-HX0 COILS AND INDUCTORS 15MH 1500V COMMON M L92 T8-32LAZ6-PW3 36-LIF237-HX0 COILS AND INDUCTORS 700UH 1500V COMMON M L91 T8-32LAZ6-PW3 36-LIF242-HX0 COILS AND INDUCTORS 120UH 1500V CONVERTE L970 T8-32LAZ6-PW3 36-TRF445-HX0 TRANSFORMER FLYBACK 480UHH +12V +50V 26 T901 T8-32LAZ6-PW3 46-35199W-04XG CONN.PH-4A 4PIN PITCH=2.0MM CN902 T8-32LAZ6-PW3...
  • Page 35 T8-32LAZ6-PW3ST 19-BC0220-JTX SMD.RES 0805,1/8W,±5%,22Ω R917 T8-32LAZ6-PW3ST 19-BC0220-JTX SMD.RES 0805,1/8W,±5%,22Ω R915 T8-32LAZ6-PW3ST 19-BC0223-FTX SMD. RES 22K OHM 1/8W +/-1% R936 T8-32LAZ6-PW3ST 19-BC0393-FTX SMD.RES 39K OHM 1/8W +/-1% R939 T8-32LAZ6-PW3ST 19-BC0471-JTX SMD.RES 470 OHM 1/8W +/-5% R914 T8-32LAZ6-PW3ST 19-BC0682-FTX SMD.RES 0805,1/8W,±1%,6.8KΩ R937 T8-32LAZ6-PW3ST 19-BC0822-FTX SMD.RES 8.2K OHM 1/8W +/-1%...
  • Page 36 T8-32LAZ6-PW3ST 28-BB0331-KBX SMD CAP 330PF 50V +/-10% C981 T8-32LAZ6-PW3ST 28-BB0331-KBX SMD CAP 330PF 50V +/-10% C982 T8-32LAZ6-PW3ST 28-BC0105-KBX CAP.CER,SMD 1UF 16V 0805 - C975 T8-32LAZ6-PW3ST 28-BC0474-KBX CAP.CER,SMD 470NF 16.0V 0805 - +/-10% R= C973 T8-32LAZ6-PW3ST 28-BD0105-KBX CAP.CER,SMD 1U0F 25V DCV 0805 - C970 T8-32LAZ6-PW3ST 28-RB0106-MAL...
  • Page 37 T8-32LAZ6-MA5ST 19-AB0100-JTX RES SMD 10 OHM 1/10W +/-5% R812 T8-32LAZ6-MA5ST 19-AB0100-JTX RES SMD 10 OHM 1/10W +/-5% RD94 T8-32LAZ6-MA5ST 19-AB0103-JTX RES SMD 10K OHM 1/10W 0603 R305 T8-32LAZ6-MA5ST 19-AB0103-JTX RES SMD 10K OHM 1/10W 0603 R304 T8-32LAZ6-MA5ST 19-AB0104-JTX SMD. RES 100K OHM 1/10W 0603 RD92 T8-32LAZ6-MA5ST 19-AB0121-JTX...
  • Page 38 T8-32LAZ6-MA5ST 19-GA0101-JTX SMD. RES 100 OHM 1/16W +/-5% R433 T8-32LAZ6-MA5ST 19-GA0101-JTX SMD. RES 100 OHM 1/16W +/-5% R205 T8-32LAZ6-MA5ST 19-GA0101-JTX SMD. RES 100 OHM 1/16W +/-5% R440 T8-32LAZ6-MA5ST 19-GA0101-JTX SMD. RES 100 OHM 1/16W +/-5% R416 T8-32LAZ6-MA5ST 19-GA0101-JTX SMD. RES 100 OHM 1/16W +/-5% R415 T8-32LAZ6-MA5ST 19-GA0101-JTX...
  • Page 39 T8-32LAZ6-MA5ST 19-GA0223-JTX SMD. RES 22K OHM 1/16W +/-5% R165 T8-32LAZ6-MA5ST 19-GA0224-JTX R-SMD 220K0OHM 5% 1/16W 0402 - R809 T8-32LAZ6-MA5ST 19-GA0224-JTX R-SMD 220K0OHM 5% 1/16W 0402 - R335 T8-32LAZ6-MA5ST 19-GA0224-JTX R-SMD 220K0OHM 5% 1/16W 0402 - R301 T8-32LAZ6-MA5ST 19-GA0229-JTX SMD.RES 1/16W 2.2 OHM ±5% R392 T8-32LAZ6-MA5ST 19-GA0229-JTX...
  • Page 40 T8-32LAZ6-MA5ST 28-AA0225-KBX CAP.CER,SMD 2U2F 10V DCV 0603 - C301 T8-32LAZ6-MA5ST 28-AA0225-KBX CAP.CER,SMD 2U2F 10V DCV 0603 - C314 T8-32LAZ6-MA5ST 28-AA0225-KBX CAP.CER,SMD 2U2F 10V DCV 0603 - C315 T8-32LAZ6-MA5ST 28-AB0103-KBX CAP.CER,SMD 10NF 50.0V 0603 - +/-10% R=Y CD96 T8-32LAZ6-MA5ST 28-AB0104-KBX CAP.CER,SMD 100NF 50.0V 0603 - +/-10% R= C116 T8-32LAZ6-MA5ST 28-AB0104-KBX CAP.CER,SMD 100NF 50.0V 0603 - +/-10% R= C814...
  • Page 41 T8-32LAZ6-MA5ST 28-BC0106-KBX CAP.CER,SMD 10UF 16V 0805 08053R106K160B C622 T8-32LAZ6-MA5ST 28-BC0106-KBX CAP.CER,SMD 10UF 16V 0805 08053R106K160B C329 T8-32LAZ6-MA5ST 28-BC0106-KBX CAP.CER,SMD 10UF 16V 0805 08053R106K160B C203 T8-32LAZ6-MA5ST 28-BC0106-KBX CAP.CER,SMD 10UF 16V 0805 08053R106K160B C615 T8-32LAZ6-MA5ST 28-BC0106-KBX CAP.CER,SMD 10UF 16V 0805 08053R106K160B C405 T8-32LAZ6-MA5ST 28-BC0106-KBX CAP.CER,SMD 10UF 16V 0805 08053R106K160B C177...
  • Page 42 T8-32LAZ6-MA5ST 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C620 T8-32LAZ6-MA5ST 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C612 T8-32LAZ6-MA5ST 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C323 T8-32LAZ6-MA5ST 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C621 T8-32LAZ6-MA5ST 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 - C111 T8-32LAZ6-MA5ST 28-HC0104-KBX CAP.CER,SMD 100NF 16V 0402 -...
  • Page 43 T8-32LAZ6-MA5ST 33-NLL220-MTXCKI IND-SMD 22UH 20% 1.7A / SLF5020 100MOHM L803 T8-32LAZ6-MA5ST 33-NLL220-MTXCKI IND-SMD 22UH 20% 1.7A / SLF5020 100MOHM L801 T8-32LAZ6-MA5ST 33-YLL479-MTX IND-SMD 4.7UH 20% 5.4A / SLF12575 18.7OH LD90 T8-32LAZ6-MA5ST 36-726180-002 FILTER-MAIN 0.5UH R=Y U300 T8-32LAZ6-MA5ST 45-OSC24M-0Y1CR CRYSTAL 24.000000MHZ 30PPM FUND（AT） 2 X24M1 T8-32LAZ6-MA5ST 47-HDI001-XS1CKI SOCKET HDMI ST N HDMI-19W10...
  • Page 44 T8-40B380Z6-IR2ST 02-IRR013-XX2 IR RECEIVER 38KHZHZ 2.5-5.5VV HS75438 T8-40B380Z6-IR2ST 12-BT3904-0BX TR-SMD NPN 40VV 200MA_A 300HZ 0.25W SOT Q1 T8-40B380Z6-IR2ST 19-AB0101-JTX RES SMD 100 OHM 1/10W 0603 T8-40B380Z6-IR2ST 19-AB0101-JTX RES SMD 100 OHM 1/10W 0603 T8-40B380Z6-IR2ST 19-AB0103-JTX RES SMD 10K OHM 1/10W 0603 T8-40B380Z6-IR2ST 19-AB0152-JTX R-SMD 1K5OHM 5% 1/10W 0603 -...

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