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TCL L32B2800, Service Manual

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TCL L32B2800 Service Manual Download Page 25

GND

GND

PGND

GND

PGND

PGND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

PGND

V

PGND

VDD

FSW

COMP

GND1

ISET

PWMI

EN

FB4

FB3

FB2

FB1

OVP

GND2

CS

GATE

VCC

GATE

CS

VDD

RT

FB

GND

!

PGND

PGND

PGND

PGND

N3

N1

N4

N2

E1,E2

VAL?

GND

GND

PGND

T

T

SCH

SCH

1

1

V 1.0

2.5V/2K=1.25mA

MS6308.SCH

MS6308

LED Driver

NTC2

10R

NTC1

10R

2

1

P?

C803

330P

PWMI

R804

820K

C813

330P

C812

330P

C811

330P

C810

330P

C809

47U

63V

C808

1000P

C807

330P

C806

330P

C805

1U

C804

330P

C802

10U

C801

10U

1U

C800

R828 0R

R827

0R

R826

0R

R825

0R

R824

30K

R823

30K

R822

30K

R821

30K

R820

30K

R819

1M

R818

10R

R817

10R

R816

0.1R

R815

0.1R

R814

0.1R

R813

0.1R

R812

33K

R811

820K

R810

1K

R809

22R

R806

820K

R805

820K

R808 5K6

R807

20K

2K7

R803

R802

820K

R801

18K

R800

820K

ZD800 6V8

Q800

A0D478

D800

SR3100

B800

L800

39UH

R27

0R

R206

2K4

R205

9K1

R204

82K

R203

9K1

R202

10K

C201

0.1U

C200

0.1U

R201

2K

3

2

1

U200

TL431

1

2

3

4

PC200

TLP781

R200

1K

2

3

1

D100

MBR10100

R102

10K

C104

0.1U

C103

470U

35V

L100

0.8UH

35V

470U

C102

C101

470U

35V

C100

1000P

R101

22R

R100

22R

ZD501

6V8

ZD500

6V8

R504

10K

C504

0.1U

C503

470U

35V

C502

470U

35V

C501

1000P

R503

22R

R502

22R

R501

22R

D500

MUR460

B

C

E

Q3

BT3904

ZD2

6V8

1

2

3

4

HS1

2

4

1

3

5

12

11

10

9

8

7

6

T1

D6

FR107

C10

220P

D5

RL255

R16

33R

R15

33R

C6

2200P

R14

120K

C7

100P

R18

0.22

R17

0.22

R20

470R

R19

33R

R13

10K

R12

10R

R11

10R

R22

10R

R21 10R

C8

22U

50V

R23

2.2R

C9

1000P

R24

200K

R25

200K

R26

200K

C4

1000P

C3

0.1U

C5

1000P

R10

200K

R9

100K

R8

100K

R7

100K

R6

100K

R5

100K

R4

1M2

R3

1M2

R2

1M2

R1

1M2

HV

Q1

MDF10N65B

ZD1

6V8

VCC1

B

E

C

Q2

BT3906

BR

BR

1

3

4

2

L1

VCC

1

2

3

4

L2

VCC1

DIM_PWM

F1

3.15A

250VAC

+12VA

LED1

1

2

3

4

5

6

7

8

9

10

CN2

6

4

5

3

2

1

U1

OB2273B

15

5

1

4

6

3

2

8

9

10

11

12

7

13

14

16

U2

MAP3204

VS

C2

68U

450V

C1

68U

450V

CX1

0.47U

D4

RL255

CY3

470P

CY2

470P

CY1

470P

D3

RL255

D2

RL255

D1

RL255

VR1

680V

+12VA

VCC1

+50VLED

LED4

LED3

LED2

LED1

VCC1

+50VLED

VLED+

ISET

BL_ON

+12VA

FB

OVP

12V

12V

+12VA

VCC

OVP

LED1

LED2

LED3

LED4

PWMI

ISET

LED4

LED3

LED2

VLED+

VLED+

RT

+50VLED

VS

Summary of Contents for L32B2800

Page 1: ...ocedure 7 4 Block Diagram 2 5 Scheme Diagram 2 6 PCB Layout 27 7 Trouble Shooting 8 Explode Diagram 35 9 BOM List 36 This manual is the latest at the time of printing and does not include the modifica...

Page 2: ...lectric 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 lite...

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: ...yp 30 000hrs Subtitle Color 16 7M 8 bit Parental Control Yes at DTV Refresh Rate 60Hz Content restriction Yes at DTV Sleep Timer Yes System Update Yes Side Hotel Mode Input Method Smart TV IME MHL Tel...

Page 7: ...H mm 200x150 Operation Manual Spanish Default Wall Mount WMB233 Remote Control and batteries RC199C Wireless Keyboard Base Stand Integrated Packaging Wireless Mouse AC power cord 1 pc Built in WI FI M...

Page 8: ...st Alignment Specification For MS08P LA Series V1 0 Page 1 of 9 7CL 3 R D CENTER Factory Test Alignment Specification FTAS for MS083 LA Series Version 1 PREPARED BY Hongxin Gao DATE 2014 04 23 APPROVE...

Page 9: ...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 leade...

Page 10: ...SPDIF output Coaxial OAD No WIFI Yes DIVX No DLNA DMP Yes Internet Yes 3D auto top bottom side by side frame sequencing 1920x2205 24Hz 1920x1080p x2 1280x1470 50Hz 1280x720p x2 1280x1470 60Hz 1280x720...

Page 11: ...or amplifier AMP_VCC etc Position Value Remark UD90 5V 5 UD60 1 15V 5 U172 U175 3 3V 5 U174 1 5V 5 U201 TUNER_3 3V 1 2 SW Image download Developing Download the latest release SW from below PDM system...

Page 12: ...20i 60Hz RJ45 LAN Internet ICMP packets echo request Headphone via mini jack adapter RF signal Suitable channel Loud Speakers Enclosures RF signal Suitable channel AV OUT Audio RF signal Suitable chan...

Page 13: ...to pop up again the Factory menu The status of Factory Key can be changed in Factory Menu Hotkey Press RCU OK key or RIGHT key to enter the submenu Press RCU Menu key to go back to the root menu Pres...

Page 14: ...s RCU MENU Setting Software upgrade By USB Confirm Or turn of f the TV press and hold th e power key of key boar d before r econnect AC cord to restart TV for 5 8seconds Forced Upgrade When the UPGRAD...

Page 15: ...mode R Gain 000 255 R White balance 127 128 for gain G Gain 000 255 G White balance 127 128 for gain B Gain 000 255 B White balance 127 128 for gain R Offset 000 255 R G ray balance 127 128 for offset...

Page 16: ...VM CH list Upgrade Upgrade CH list USB UPDATE CH list backup Backup CH list 9 Device ID test submenu Item Sub item Value Note USB Clone Mode All Channel List EEPROM User Setting Select to c hoose th e...

Page 17: ...ange RD90 to adjust Fsw Set Fsw 600kHZ Vin 3V 36V Fixed OCP 5 5A Vref 0 8V If Input Voltage 12V CD90 CD91 10uF 16V NO 28 CC0106 KBX RD93 22K 3_3VSB 3_3VSB SWITCH POWER HI Panel ON Fixed Fsw 1 2MHZ For...

Page 18: ...ter 6 11 10 7 8 1 3 2 4 5 9 TU101 1 2 3 4 U201 AZ1117 R205 1K TU1_VCC 5V 0 1U C216 C215 0 1U C214 10U 10V C217 220U 6 3V C207 0 022U R207 0R R208 10K 3_3V IF AGC TU_VCC T_SDA RF_SW R206 470R C203 10U...

Page 19: ...1 TXVP_0 TXVN_0 RXVP_1 C389 560P R389 12K C390 560P 10U C329 F321 R362 120R R361 220R C352 33P C351 0 1U R315 33R C303 0 047U R_IN L_IN AV YPBPR_R_IN AV YPBPR_L_IN C301 2U2 R305 10K F306 VCOM0 AV1_V_I...

Page 20: ...1 3 10 12 18 P802 AVDD5V_MHL R459 33R H2_HPD_OUT H2_HPD C410 2U2 H1_ARC R407 1K R416 100R R415 100R R404 100R R417 47K R429 47K H2_5V R434 5R6 15 16 2 5 8 11 17 19 13 14 7 9 4 6 1 3 10 12 18 P800 H1_...

Page 21: ...5V R516 27K 56K R515 R504 NC 10K SDI SCK WP DO CS MCU_RESET C501 0 1U NC 3_3VSB 3_3VSB 12V R511 3K3 47K R508 C502 NC 0 1U R507 47K R520 22R R521 22R PANEL_ON MS_DIM_OUT 3_3V 3_3V NAND_D7 NAND_CLE NAND...

Page 22: ...X24M1 24M R604 NC 1M AUVAG POWER_DET R624 100K R623 1K R622 1M R620 100K AUVRM C642 33P C603 0 47U C602 0 1U C643 33P XTALO XTALI AVDD_DMPLL AVDD_AU C606 0 1U C610 0 1U NC C611 0 1U NC C612 0 1U NC C6...

Page 23: ...DR_DATA0_2 AVDD_DDR_DATA0_3 AVDD5V_MHL_D AVDD_AU33 AVDD_DVI_USB_MPLL AVDD_DVI_USB_MPLL1 AVDD_NODIE AVDD3P3_DMPLL VDDC11 GND59 GND60 GND61 GND62 GND63 GND64 GND65 GND66 GND67 GND68 GND69 GND70 GND71 GN...

Page 24: ...08 1U C807 R817 10R OUTLN OUTRP OUTRN 1U C836 C813 330P C812 0 22U R828 10R R811 100R L802 220R NC R813 10K C826 0 1U C811 0 1U C825 1000P C810 1000P L806 22UH L803 22UH L801 22UH L808 22UH C822 0 1U...

Page 25: ...0 1K 2 3 1 D100 MBR10100 R102 10K C104 0 1U C103 470U 35V L100 0 8UH 35V 470U C102 C101 470U 35V C100 1000P R101 22R R100 22R ZD501 6V8 ZD500 6V8 R504 10K C504 0 1U C503 470U 35V C502 470U 35V C501 10...

Page 26: ...no picture Check the voltage of pin s of q208 2 1 Replace R270 and R271 Check the output of Q208 2 1 Check the voltage of g of Q208 OR replace Q208 Measure the wave of LVDS signal 1 2 Replace panel Ch...

Page 27: ...e wave of pin 8 9 of U1 1 Check the voltage of pin 6 7 of u1 OK Replace u1 Check the circuit between U1 and U201 Check the U201 measure the wave of SDA and SCL 1 repair the circuit of U101 and Q102 OK...

Page 28: ...Check the components between VGA YPbPr port and U201 1 Replace the bad VGA YPbPr no picture OK Check the components between VGA YPbPr port and U201 1 Replace the bad Software of U202 ok 1 Check U201 o...

Page 29: ...in 3 13 of U602 2 1 Repair the 12v supply Check the pin 6 of u602 2 1 Check q607 q608 q609 1 2 Replace U602 or replace the wire of speaker check u601 and volume control Check the wave of PIN 4 12 of U...

Page 30: ...ndby 5 0VSB OK 5 0V NG Check the voltage of pin s of q305 2 1 Check before Q305 Check the output of Q305 2 1 Check the voltage of g of Q305 OR replace Q305 Check U303 U304 short to Gnd 1 Replace the b...

Page 31: ...The picture bad Replace the wire from P202A to t com Replace panel Replace the chassis NG Check the circuit between p202a and U201 Upgrade the software NG OK OK...

Page 32: ......

Page 33: ...M 1 T8 32LAZ6 MA5 46 33079W 04XG PIN BASE 4 TJC3 4A P803 T8 32LAZ6 MA5 46 40333W 04XG CONN PH 4 2 0MM FEMALE ST P103 T8 32LAZ6 MA5 46 40333W 05XG CONN PH 5 2 0MM FEMALE ST P104 T8 32LAZ6 MA5 46 40333W...

Page 34: ...JTX RES SMD 10K OHM 1 10W 0603 R982 T8 32LAZ6 PW3ST 19 AB0103 JTX RES SMD 10K OHM 1 10W 0603 R973 T8 32LAZ6 PW3ST 19 AB0103 JTX RES SMD 10K OHM 1 10W 0603 R971 T8 32LAZ6 PW3ST 19 AB0104 JTX SMD RES 1...

Page 35: ...R951 T8 32LAZ6 PW3ST 19 CD0330 JTX SMD RES 33 OHM 1 4W 5 R950 T8 32LAZ6 PW3ST 19 CD0330 JTX SMD RES 33 OHM 1 4W 5 R930 T8 32LAZ6 PW3ST 19 CD0330 JTX SMD RES 33 OHM 1 4W 5 R952 T8 32LAZ6 PW3ST 19 CD03...

Page 36: ...MD 70 0V 200MI0_A 855MI0V 4N 0 25W S D801 T8 32LAZ6 MA5ST 09 0BAV99 ATX D SMD 70 0V 200MI0_A 855MI0V 4N 0 25W S D502 T8 32LAZ6 MA5ST 09 0BAV99 ATX D SMD 70 0V 200MI0_A 855MI0V 4N 0 25W S D100 T8 32LAZ...

Page 37: ...OHM 1 10W 5 R515 T8 32LAZ6 MA5ST 19 AB0569 JTX 0603 RES SMD 5 6 OHM 1 10W 5 R434 T8 32LAZ6 MA5ST 19 AB0680 JTX SMD RES 68 OHM 1 10W 5 0603 R343 T8 32LAZ6 MA5ST 19 AB0680 JTX SMD RES 68 OHM 1 10W 5 06...

Page 38: ...9 GA0103 JTX SMD RES 10K OHM 1 16W 5 R439 T8 32LAZ6 MA5ST 19 GA0104 JTX SMD RES 100K OHM 1 16W 5 R829 T8 32LAZ6 MA5ST 19 GA0104 JTX SMD RES 100K OHM 1 16W 5 R624 T8 32LAZ6 MA5ST 19 GA0104 JTX SMD RES...

Page 39: ...3 JTX SMD RES 33K OHM 1 16W 5 R543 T8 32LAZ6 MA5ST 19 GA0472 JTX SMD RES 4 7K OHM 1 16W 5 R125 T8 32LAZ6 MA5ST 19 GA0472 JTX SMD RES 4 7K OHM 1 16W 5 R203 T8 32LAZ6 MA5ST 19 GA0472 JTX SMD RES 4 7K OH...

Page 40: ...CAP 16V 1UF 10 C807 T8 32LAZ6 MA5ST 28 AC0105 KBX SMD CAP 16V 1UF 10 C806 T8 32LAZ6 MA5ST 28 AC0105 KBX SMD CAP 16V 1UF 10 C708 T8 32LAZ6 MA5ST 28 AC0105 KBX SMD CAP 16V 1UF 10 C634 T8 32LAZ6 MA5ST 28...

Page 41: ...0402 C102 T8 32LAZ6 MA5ST 28 HB0103 KBX CAP CER SMD 10N0F 50V DCV 0402 C103 T8 32LAZ6 MA5ST 28 HB0220 JCX CAP CER SMD 22P0F 50V DCV 0402 C201 T8 32LAZ6 MA5ST 28 HB0220 JCX CAP CER SMD 22P0F 50V DCV 04...

Page 42: ...4 KBX CAP CER SMD 100NF 16V 0402 C219 T8 32LAZ6 MA5ST 28 HC0104 KBX CAP CER SMD 100NF 16V 0402 C210 T8 32LAZ6 MA5ST 28 HC0104 KBX CAP CER SMD 100NF 16V 0402 C324 T8 32LAZ6 MA5ST 28 HC0104 KBX CAP CER...

Page 43: ...63 B3008T BF4G SCREW ST 3MM 8MM ISO R Y MTG MAIN T8 32B280Z6 RC3 63 B3010T BF5G SCREW ST 3MM 10MM ISO 19 R Y MTG SMALL T8 32B280Z6 RC3 64 B30080 105G SCREW 3MM 8MM R Y MTG SMALL T8 32B280Z6 RC3 67 M47...

Page 44: ...00PF 50 0V 0603 C3 T8 40B380Z6 IR2ST 28 AB0104 ZFX CAP CER SMD 100N0F 50V DCV 0603 C2 T8 40B380Z6 IR2ST 28 AC0105 ZFX SMD CAP 1 UF 16VDC 80 20 C4 T8 40B380Z6 IR2ST 28 BA0106 KBX CAP CER SMD 10U0F 10V...

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