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Haier L37TA6A Service Manual
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Haier L37TA6A Service Manual

Haier L37TA6A Service Manual

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Summary of Contents for Haier L37TA6A

  • Page 1 L37TA6A...

  • Page 2: Table Of Contents

    Contents 1. Summarize 2. Main features 3. Appearance picture of complete set 4. Chassis appearance picture 5. Interface definition and interface electric requirements 6. Factory mode instructions 7. Structure size 8. The requirements of transportation, storage and usage Appendix 1. Summarize this chassis is used to match and connect the big screen LCD TV, it supports multi-system TV input signal , it can stored 128 TV programs at most, at the same time the highest resolution of this chassis can be up to SXGA or appear R, G, B input signal of WXGA of 16:9 again, color appear again can support 24 bit, and it...

  • Page 3: Appearance Picture Of Complete Set

    Analog RHB(0.7Vp-p) Composite Video Signal(1.0Vp-p +/-5%) Input/Output signal TV Video Four rows two rows external audio input(PC sound effect card and AV equipment sound input) Video support system PAL: NTSC(AV) VHF-L:49.75-160.25MHz TV receiving band VHF-H:168.25-450.25MHz UHF:451.25-863.25MHZ Support Mode VGA, SVGA, XGA, SXGA , WXGA Color 24bit H-synchronous range...

  • Page 5: Interface Definition And Interface Electric Requirements

    The sound box part and the structure of complete set is separable,so it need install solely. 4. Appearance picture of chassis CVBS input Speakeroutput Earphone socket Side AVsocket AVaudio output AV video output AV1audio input The speaker power socket AV1video input S-VIDEO input Up grading HD signal audio input...

  • Page 6: Factory Mode Instructions

    3. Remote control interface: support Toshiba receiving negotiation. 4. Control panel interface: 7 button control. 5. Sound output interface: sound signal output. 6. Program upgrading interface: upgrading program. Only for factory use. 6. Factory mode instructions This chassis use new HYF-35R remote controller (grey, 41 button, can not share with the original blue 35 button HYF-35R ), the method to enter the factory mode is: Screen-----P.STD------S.STD------Sleep Time.

  • Page 7: Appendix

    4. Storage temperature: -10¬+40℃ 5. Usage temperature: 0¬+40℃ 9. Appendix Appendix 1: the dimension diagram of structure Appendix 2: interface definition table XP600 (9PIN/2.5): Power interface Definition Description Power-on signal(high-level is available) Ground CPU working voltage(standby but not power off) Ground Ground Ground...
  • Page 8 Ground XP501(4PIN/2.0): Remote control button interface Definition Description Remote control receiving 5V Power Ground Power indicator control XP502(4PIN/2.0): Definition Description KEY1 Control panel signal 1 Ground KEY0 Control panel signal 2 Ground (air connect) XP301 (Right sound), XP302 (left sound) (2PIN/2.5): Sound output interface Definition Description SPK+...
  • Page 10 L37TA6A Drafted by：Chen Long Checked by：Peng You Approved by：Hu Xijia...
  • Page 11 ① NO Power with with Check power board 12V supply Check power board 24V supply See background light is not on part without without without without Check power board 5V supply Check power board AC input Check and repair Power input part with with with...
  • Page 12 TV Without ② with without Check tuner 5V supple Check and repair 5V supple part Check if the bus control is normol Deck and repair bus control part Check if the tuner is output Tuner is damaged,replace Check if the signal is input the Check and repair if the signal Video Without Signal picture decode chip...
  • Page 13 ③ Background is not/Background is Check it on/standly CPUbackground Check and repair CPU relevant Always on without always on light control pin is changed circuit without Check the power board 24Vsupply Power board is damaged, replace with with Check and repair logic control Check it inverter background without circuit...
  • Page 14 ④ white screen / flower screen /absent color /little color check if lvds wire is loosen connect LVDS wire again Check if the interface of flower screen /absent color white screen Solder again signal output is linking /little color soldered check if the control circuit The screen is damaged , Check if the MST6151 chip...
  • Page 15 AV1、AV2 output without HD、VGA、AV2 sound without sound Check if the terminal is Check if the terminal is TV without sound with with linking soldered or damaged Check and repair terminal linking soldered or damaged with without Check and repair MSP3410 without Check MSP3410 relevant Check if the connecting...
  • Page 16 5Vstb +12V VCC-Panel 5Vstb SR34 VPANEL_IN IRF7314 0.1u 600(4.5X3.2)/NC CA107 CA108 XP601 +12V 470uF/35V 470uF/16V BL-ON/OFF 5Vstb1 0.1u 0.1u 0.1u +12V LM7808 600(4.5X3.2)/NC ON-PBACK 3904 ON-PBACK R500 LCD BKL VOUT 4.7K +12V 1/2W-33 XP600 XP602 C111 CA58 CA59 C112 0.1u 47uF/16V 100uF/16V 0.1u...
  • Page 17 CON17 C273 TJC3-2 AMP-Rout AMP-R AMP_SOUT C275 AMP-S 2.2uF +3.3V C176 R510 2.2uF 10nF C212 10nF C809 C272 100pF + CA105 AMP-Lout AMP-L 47uF/16V BAV99 C154 R511 2.2uF 10nF 5Vstb CON7 3906 + CA90 5Vstb C270 C801 10uF PH-Rout AV_out-R 100pF RP22 RP21...
  • Page 18 5V-IF R236 R237 R238 +12V 5V-IF 4.7K 4.7K 4.7K R233 CA67 R234 R235 C219 4.7K 0.01uF 0.82uH R240 47UF/16V 1N4148 2SC2216 R243 3904 C220 R245 0.01uF IF-AGC C221 10nF R241 R242 R244 R246 C222 1.2K R249 1n5F C224 R247 4MHZ 100K 0.1uF C225...
  • Page 19 R303 PH-Lin PH1-Lout 0 R304 TDA1554Q PH-Rin PH1-Rout 12V-2 + CA94 R293 C262 47uF/16V 0.1uF CA92 PH1-Lout R294 C255 CA93 100uF/16V Aout R295 PH-Lin 100P PH1-Rout AIN- Bout PHONEJACKSTEREO CON9 AIN+ BIN- C258 100uF/16V BIN+ R296 C250 LM358/TDA1308 C260 CA77 R283 R297 AMP-Lin...
  • Page 20 +8VBUF R185 R222 S-VIDEOCin 10uH GTH-2520-2R2 R225 R173 R184 C208 PR21 CA85 MUX-Lin 330pF EZJZ1V500AA MUX-Rin R163 4.7K R383 C207 3.3K 3.3K 4.7K 330pF 47uF R382 3906 C174 GP-Lin HD2-Lin AV+S-2_0 AV3-Lin 100n GP-Rin USB-Lin C175 +8VBUF 3906 CA75 R228 C179 S-VIDEOYin HD2-Rin...
  • Page 21 R138 C168 R366 560P HD1-Lin HD1-R HD1-Rin 5VPI R137 C167 560P HD1-L R118 R119 R117 CA39 HD1_YIN 47uF 0/NC R150 AV5-8 CA40 HD1_YIN HD1_PBIN 0/NC R151 HD1_PBIN 47uF 0/NC R162 CA41 HD1_PRIN HD1_PRIN 0/NC R367 HD3_YIN 47uF 0/NC R368 HD3_PBIN R129 R130 R131...
  • Page 22 R95 10 C396 47nF VGA-B+ BIN+ R96 10 C395 47nF VGA-G+ GIN+ R97 10 C394 47nF VGA-R+ RIN+ R98 330 C393 1nF PR32 PR33 PR34 R100 R101 R102 EZJZ1V500AA EZJZ1V500AA EZJZ1V500AA C39247nF BIN- C14147nF GIN- R103 47 C14247nF RIN- R104 R105 VGA-HS HS_RGB...
  • Page 23 5VSTB 10uH CA31 C115 0.1uF 47uF PR17 PR11 PR13 PR15 EZJZV80010 EZJZV80010 EZJZV80010 EZJZV80010 R310 HDMI-RX2+ R_TX2+ DATA2+ 10 R311 DATA2 SHIELD HDMI-RX2- R_TX2- DATA2- R312 HDMI-RX1+ G_TX1+ DATA1+ 10 R313 DATA1 SHIELD HDMI-RX1- G_TX1- DATA1- R314 HDMI-RX0+ B_TX0+ DATA0+ 10 R315 DATA0 SHIELD HDMI-RX0-...
  • Page 24 5V-IF R415 R416 R417 +12V 5V-IF 2.7K 4.7K R404 C324 CA120 R410 R411 L101 5.6K 0.01uF 0.82uH R443 47UF/16V R444 0 C325 2SC2216 R418 3904 0.01uF C326 IF1-AGC R405 R412 R413 R414 C327 1.5K R438 1n5F C332 R440 4MHZ 100K 0.1uF 5V-IF L100...
  • Page 25 C353 MTD18 33pF 14.31818MHz R461 R460 R308 100K MTA33 C354 33pF MTA18 TV1-V L110 C344 100n VI_1B TV2-V L111 C345 100n VI_1C FULL-SCART-AV/OUT C346 100n L112 CH1_A33GND USB-Y C347 100n L113 CH1_A33VDD DGND S-VIDEOYin C348 100n L114 CH2_A33VDD DVDD S-VIDEOCin L115 C349 100n...
  • Page 27 DVB-T module technology instructions Drafted by：Huang mingjing Checked by ：Xiao xigang Approved by：Hu xijia Date：January 6 ,2007...

  • Page 28: Summarize

    Contents 1、Summarize 2、Module appearance diagram 3、Interface definition 4、Structure dimension 5、Transportation , store and usage requirements 6、Appendix...
  • Page 29 1、Summarize This chassis is DVB-T digital module, it can receive European digital broadcasting 2、Module appearance diagram Signal output i t f Sound output interface Serial port interface 2 Signal input Serial port Power interface 2 Power interface 1 3、Interface definition（see appendix） 1.
  • Page 30 3. Sound output interface：Output the sound signal to the interface of speaker. 4. Signal interface： Output the image signal to the interface of image source.. 5. Control panel interface： Connect control panel, press 7 button to control. 6. Speaker interface： Output the sound signal to the interface of speaker. 7.
  • Page 31 6、Appendix Interface definition table ： XP301(4PIN/2.5) power interface Definition Description Chassis working power（standby cut off） Chassis working power（standby cut off） Ground Ground ： XP302(4PIN/2.5) power interface Definition Description Chassis working power（standby cut off） Chassis working power（standby cut off） Ground Ground ：...
  • Page 32 ： XP7(4PIN/2.5) Serial port interface Definition Description CPU power Ground Signal interface Signal interface ： XP78(4PIN/2.5) Serial port interface Definition Description CPU power Ground Signal interface Signal interface...
  • Page 33 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...