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Haier L37TA6A, Service Manual

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Haier L37TA6A Service Manual Download Page 22

1

2

3

4

A

B

C

D

4

3

2

1

D

C

B

A

5
10
4
9
3
8
2
7
1

15

14

13

12

11

6

16

17

P3

VGA

L40

0

L39

0

L38

0

L42

FB

L41

FB

R107

10K

NC1

1

NC2

2

NC3

3

GND

4

SDA

5

SCL

6

VCLK

7

VCC

8

U16

24LC21

C145

0.1uF

5VA

D30
IN4148

D79
IN4148

R108

2.2K

C144

NC

C143

NC

R105

1K

R106

1K

PC-Lin

PC-Rin

R90

10K

R91

10K

C391

560P

C390
560P

VGA-B+

VGA-G+

VGA-R+

R99

75

R100
75

R101
75

R9510

R96 10

R97 10

R98 330

R102

47

R103

47

R104

47

C396

47nF

C395 47nF

C394 47nF

C393 1nF

C392 47nF
C141 47nF
C142 47nF

BIN+

GIN+

RIN+

SOG

BIN-
GIN-
RIN-

D28

MLL5232B5.6V

D27

MLL5232B5.6V

HS_RGB

VS_RGB

L43 FB

L44 FB

VGA-HS

VGA-VS

VGA-SDA

VGA-SCL

D31

MLL5232B5.6V

D29

MLL5232B5.6V

R109
4.7K

R110
4.7K

R115

10

R114
10

R113

33

R111

33

TXD1

RXD1

VGA/5V

R112
10K

R116

NC

1

2

3

4

5

P2

VGA_AUDIO

R92
10K
R93
10K

VGA-SDA

VGA-SCL

PR32
EZJZ1V500AA

PR33
EZJZ1V500AA

PR34
EZJZ1V500AA

PR46

EZJZ1V500AA

PR45

EZJZ1V500AA

                    

                                             

                          

Summary of Contents for L37TA6A

Page 1: ...L37TA6A ...

Page 2: ...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 can realize synchronous automatic check It can support 1080P HD signal input at most and includes two rows CVBS signal one row S terminal signal input one row HDMI signal one row CVBS signal output Inbuilt 2x10W medium sound 2x3W treble sound output four rows two channels external audio signa...

Page 3: ... synchronous range 30 70KHz V synchronous range 56 75Hz Output signal LVDS standard Audio Output power 2Χ10WΧ Control button TV AV VOL VOL POWER CH CH MENU All the function can be operated by remote controller OSD menu VGA picture screen sound route function menu TV picture sound route function menu OSD language English Power input 150 240V AC Power operations Normal working mode standby mode Powe...

Page 4: ......

Page 5: ...kground light control panel interface control the switch and brightness of screen background light S VIDEO input PC audio input VGA input Power input socket Key control socket Screen connecting Wire socket Background light control interface Up grading socket CVBS input AV1video input AV video output Speakeroutput Remote control socket down HD signal input AVaudio output AV1audio input HD signal au...

Page 6: ... S A V E M O D E M C L K A G C N O S E T D D R A M S E T A G C A D J U S T E N A B L E L O G O O N o p e n O F F c l o s e E 2 P S E T A D J U S T t h e D A T A o f E E P R O M F A C M E N U Name Description PWR STB ON power standby OFF standby memory ENABLELOGO Screen saver without signal ON open OFF close TEST PAT picture test TV INIT Initialised factory signal do not use E2P INIT Initialize EER...

Page 7: ...is available 2 GND Ground 3 5V CPU working voltage standby but not power off 4 GND Ground 5 GND Ground 6 7 8 9 GND 12V 12V 12V Ground Chassis working power standby but power off Chassis working power standby but power off Chassis working power standby but power off XP601 XP601A 3PIN 2 0 Background light control interface NO Definition Description 1 ADJ Background light brightness control 2 ON OFF ...

Page 8: ... 0 NO Definition Description 1 KEY1 Control panel signal 1 2 GND Ground 3 KEY0 Control panel signal 2 4 GND Ground air connect XP301 Right sound XP302 left sound 2PIN 2 5 Sound output interface NO Definition Description 1 SPK Sound output signal 2 SPK Sound output signal XP503 4PIN 2 5 NO Definition Description 1 5V CPU Power 2 GND Ground 3 RXD Signal interface 4 TXD Signal interface ...

Page 9: ......

Page 10: ...L37TA6A Drafted by Chen Long Checked by Peng You Approved by Hu Xijia User s Manual ...

Page 11: ...on part Check power board 12V supply CPU is damaged replace Check power board 5V supply Check CPU Power on signal Check power board AC input Power boad is damaged replace Check and repair Power input part with with with with with without without without without without ...

Page 12: ...ut the picture decode chip Check if the chip supple crystal osciuator or bus control is normal Chip is damaged replace Check and repair 5V supple part Deck and repair bus control part Tuner is damaged replace Check and repair if the signal circuit is erroneous Check an repair the chip relevant circuit with without Yes Yes Yes Yes Yes No No No No ...

Page 13: ...uster again Check it on standly CPUbackground light control pin is changed Check and repair CPU relevant circuit Power board is damaged replace Check it inverter background light control pin is changed Check it connecting wire is loosen The screen is damaged replace Always on Not on with with with with without without without without ...

Page 14: ...the supply circuit is normal connect LVDS wire again flower screen absent color little color The screen is damaged replace Check and repair logic circuit or CPU Check and repair power circuit Check if the interface of signal output is linking soldered Solder again Check if the MST6151 chip is working normal Check and repair chip working circuit Yes Yes Yes Yes No No No No No No Yes ...

Page 15: ...e connecting wire cluster again TV without sound Check and repair sound amplifying circuit Check and repair MSP3410 relevant circuit Replace check acoustics part Check and repair terminal Check if the terminal is linking soldered or damaged Check if the terminal is linking soldered or damaged Check 4052 relevant circuit Check MSP3410 relevant circuit Check if thehorn wire or wire clamp is damaged ...

Page 16: ...18 LM7808 VDDP C56 0 1u C55 0 1u C57 0 1u C31 0 1u C32 0 1u C53 0 1u C52 0 1u C54 0 1u CA23 100uF 16V L16 600 4 5X3 2 3 3V C45 0 1u 3 3V 5Vstb gnd 1 out 2 in 3 tab out 4 U7 AMS1084 ADJ CA24 47uF 16V C34 0 1u R214 1 2K R213 2K L15 FB CA20 47uF 16V C33 0 1u 12V VPANEL_IN PWM3_PANEL PWM3_PANEL S2 3 G2 4 D2b 5 D2a 6 S1 1 G1 2 D1b 7 D1a 8 U2 IRF7314 R2 10K C2 0 1u Q1 3904 R5 4 7K CA5 22uF 25V C8 0 1u V...

Page 17: ...W0 POWER ON OFF ON PBACK HPDCTRL LED1 USB ON OFF AMP MUTE WP WP_FSH R66 1K R67 NC R68 NC R69 1K R74 NC R75 1K R76 1K R77 NC 3 3V PWM3_PANEL ADJ PWM2 PWM0 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 U34 24C32 R57 100 R58 100 C289 0 1U 5Vstb SCL5 SDA5 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 U35 24C04 R59 100 R60 100 R357 4 7K C290 0 1U 1 2 3 4 5 CON29 HOLD 5Vstb C102 0 1uF C103 0 1uF C104 0 1uF ...

Page 18: ...L83 NC 1uH R256 2 2K C235 0 01uH D63 1N4148 D65 1N4148 R273 NC R255 4 7K C229 10nF R243 10K R245 NC C221 10nF D62 1N4148 R238 4 7K R237 4 7K R236 4 7K 5V IF C225 220nF C222 1n5F C227 470nF C228 22pF R247 330 Y2 4MHZ R240 12K R249 100K R253 100 R257 75 C224 0 1uF C231 100nF 5V IF IF AGC L82 FB CA69 100uF 5V IF 5V OUT TV1 V C241 10nF C243 390pF C244 1nF C245 10nF C246 470nF R262 5K6 R263 NC R264 220...

Page 19: ...2V 2 PH Lin PH Rin PH1 Rout PH1 Lout 1 2 3 4 5 P5 PHONEJACKSTEREO Q38 MMBT3904 Q36 MMBT3904 L5 NC FB W601 0 W602 0 C414 100pF R303 0 R304 0 PH Lin PH Rin PH1 Lout PH1 Rout NINV1 1 INV1 2 GND 3 RR 4 Vp1 5 OUT1 6 GND1 7 OUT2 8 NC 9 OUT3 10 GND2 11 OUT4 12 Vp2 13 M SS 14 NC 15 INV2 16 NINV2 17 GND 0 U27 TDA1554Q C250 0 22uF C251 0 22uF AGND CA77 100u 16V L88 FB 12V 2 CA78 1000uF C252 0 1uF GND GND CA...

Page 20: ...n MUX Rin GP Lin GP Rin R190 NC R191 NC AV3 Lin AV3 Rin MUX Rin MUX Lin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 P11 SCART1 full L75 0 L74 0 L73 0 R219 75 R220 75 R221 75 R21610 R21710 R21810 R305NC R22347 R224 47 R22647 C201 47nF C20247nF C20347nF C288 1nF C20647nF C21347nF C21447nF R344 75 FULL SCART AV FULL SCART AVOUT SCART1_VOUT C209 330pF C204 330pF C205 330pF R227 0 R229 8 2k R...

Page 21: ...7 8 8 9 9 P4 AV5 8 R470 0 NC R471 0 NC R468 0 NC R469 0 NC I O1 I O2 HD1 R HD1 L 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 CON23 PH 13A HD2 L HD2 R S1A 2 S1B 5 S1C 11 S1D 14 S2A 3 S2B 6 S2C 10 S2D 13 IN 1 EN 15 GND 8 VCC 16 DD 12 DC 9 DB 7 DA 4 U17 P15V330 Q10 3906 Q11 3906 Q12 3906 R120 470 R121 470 R122 470 R123 10 R124 10 R125 10 R126 10 R127 75 R128 75 R135 75 C156 47nF C157 ...

Page 22: ...GA R R99 75 R100 75 R101 75 R9510 R96 10 R97 10 R98 330 R102 47 R103 47 R104 47 C396 47nF C395 47nF C394 47nF C393 1nF C39247nF C14147nF C14247nF BIN GIN RIN SOG BIN GIN RIN D28 MLL5232B5 6V D27 MLL5232B5 6V HS_RGB VS_RGB L43 FB L44 FB VGA HS VGA VS VGA SDA VGA SCL D31 MLL5232B5 6V D29 MLL5232B5 6V R109 4 7K R110 4 7K R115 10 R114 10 R113 33 R111 33 TXD1 RXD1 VGA 5V R112 10K R116 NC 1 2 3 4 5 P2 V...

Page 23: ...0 R311 10 R312 10 R313 10 R314 10 R315 10 R316 10 R317 10 R_TX2 R_TX2 G_TX1 G_TX1 B_TX0 B_TX0 TXCLK TXCLK L34 10uH CA31 47uF C115 0 1uF 5VSTB 5VA R78 1K R79 4 7K R80 4 7K R81 4 7K R82 100 R83 100 R85 0 R87 4 7K A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 U14 24C04 C124 0 1uF 16V HDMI 5V D20 MLL5232B5 6V D21 MLL5232B5 6V HDMI HPD HDMI DDC SCL HDMI DDC SDA HDMI_SDA HDMI_SCL HPDCTRL Q8 MMBT3904 1 3 2...

Page 24: ... TDA9885 6 IN 1 ING 2 GND 3 OUT1 4 OUT2 5 U44 K9455D C316 0 01uH D81 1N4148 D83 1N4148 R420 NC R419 2 2K C317 10nF R4440 R418 2 7K C326 NC 10nF D80 NC R417 4 7K R416 2 7K R415 1K 5V IF C328 220nF C327 1n5F C329 470nF C330 22pF R440 330 Y3 4MHZ R443 12K R438 100K R436 100 R435 75 C332 0 1uF C333 100nF 5V IF IF1 AGC L103 FB CA122 100uF 5V IF 5V OUT TV2 V C318 10nF C319 390pF C322 1nF C320 10nF C321 ...

Page 25: ...2 33 C355 NC R460 10K R446 75 R447 75 MTA18 MTA33 RP4 33 RP3 33 C353 33pF C354 33pF Y4 14 31818MHz R308 100K MTD33 MTD18 SDA33 SCL33 RSTn TD0 TD1 TD2 TD3 TD4 TD5 TD6 TD7 TCLK R465 100 L111 0 L112 0 L113 0 L114 0 L115 0 L110 0 L116 0 L118 0 C342 100n RSTn R463 NC R461 10K FULL SCART AV OUT HALF SCART AV OUT TV1 V TV2 V TD18 TA33 gnd 1 out 2 in 3 tab out 4 U48 AMS1117 1 8 CA133 47uF 16V C361 100n gn...

Page 26: ......

Page 27: ...DVB T module technology instructions Drafted by Huang mingjing Checked by Xiao xigang Approved by Hu xijia Date January 6th 2007 ...

Page 28: ...Contents 1 Summarize 2 Module appearance diagram 3 Interface definition 4 Structure dimension 5 Transportation store and usage requirements 6 Appendix ...

Page 29: ...gram 3 Interface definition see appendix 1 Power interface 1 Supply the working power to chassis from power board 2 Power interface 2 Supply the working power to electric tuner from power board Serial port interface 2 Signal output i t f Power interface 1 Power interface 2 Serial port Sound output interface Signal input ...

Page 30: ...ignal to the interface of speaker 7 Serial port interface For updating the process Only use for factory 4 Structure dimension PCB dimension specification 1 PCB thick the height of the tiptop component 20 mm 2 PCB 140mm 140mm Screw hole specification diameter 3 5 mm the hole position structure diagram 5 Transportation store and usage requirements 1 Do not stress and bend 2 Prevented static 3 Relati...

Page 31: ...ower interface No Definition Description 1 5V Chassis working power standby cut off 2 5V Chassis working power standby cut off 3 GND Ground 4 GND Ground XP3 9PIN 2 5 signal output interface No Definition Description 1 TV IPQ Interrupt signal 2 Pb Pb 3 Y Y 4 GND Ground 5 Pr Pr 6 GND Ground 7 C C 8 SCL Clock 9 SDA Data XP5 3PIN 2 5 Remote button interface No Definition Description 1 R Right audio 2 ...

Page 32: ... No Definition Description 1 5V CPU power 2 GND Ground 3 RD0 Signal interface 4 TD0 Signal interface XP78 4PIN 2 5 Serial port interface No Definition Description 1 5V CPU power 2 GND Ground 3 RX2 Signal interface 4 TX1 Signal interface ...

Page 33: ...Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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