TCL L28B2500-MS306D-LA Service Manual Download

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DGND

BLUE

RED

GREEN

YELLOW

DGND

WHITE

RED

VCC-1

DNEG-1

DPOS-1

GND-1

MNT-HOLE1

MNT-HOLE2

VCC-1

DNEG-1

DPOS-1

GND-1

MNT-HOLE1

MNT-HOLE2

CVBS

GND

WHITE

YELLOW

RED

DGND

NEAR IC

AV1 IN

SIDE AV1 IN

Change USB ESD Close SUB socket

NEAR IC

Y Pb Pr/AV2/VGA Audio Input Socket

VGA Input

Y Pb Pr /AV2 Video Input

Video /Audio Output CIRCUIT

USB Input

ZUSBGND

Z5VUSB

ZYPR

F22

F21

F15

R938
75R

75R

R937

R936
75R

D0+

D0-

ZOR

ZOV

ZYPGND

HD1_LIN

ZYPAR

HD1_PB1

ZVSCL

ZRX

F18

F17

F11

F10

ZD1-

ZD0+

ZDO-

AV_AULIN0

C925

560P

C915

10U

C903

22P

C902

22P

P911

P908

P904

R979

75R

R978

33R

R977

12K

R976

12K

22P

C921

R973

5R1

R972

5R1

C922

22P

R971

5R1

R969

R949

75R

R948
1K

R947
100K

12K

R943

R946

150R

R945

R942

12K

MINI_V

F16

AV-AUOUTR3

P911A

AV_AURIN1

AV-CVBS1P

2U2

C918

AV_AULIN0

AV_AURIN0

AV-CVBS0P

RGB0_Y-SOG

VGA_BIN

VGA_VS

R917

68R

VGA_RIN

P910

P909

P906

C906 560P

P907

P905

C924

560P

C926

22P

USB0_D-

USB1_D-

RGB2-HDTV_RIN

R922

33R

RGB2-HDTV_GIN

R918

68R

10K

R919

R920
10K

AV-AUOUTL3

+12V

C907

2U2

C914

10U

ZAV1GND

AV-VOUT

AV-CVBS0P

L901

220R

ZVVS

RGB0_Y-SOG

2U2

C929

AV_AULIN1

C928

2U2

CVBS_OUT0

R975

10K

R974

10K

ZV1

ZL1

ZR1

R921

33R

R923

33R

R924

33R

33K

R967

RGB2-HDTV_SOGIN

RGB2-HDTV_BIN

33R

R935

R934

33R

R933

R932

33R

R925
75R

VGA_HS

ZVGND

ZVR

ZVB

ZVHS

F12

UART-RX

F13

UART-TX

ZVG

ZVSDA

75R

R926 R927

75R

R941

10K

R940

10K

ZYPB

ZYPY

C904

22P

C905

560P

ZYPAL

R964

150R

R968
150R

Q906

BT3904

R966
68K

R965
1K

5VAIN

Q905

BT3906

R963

75R

C916

0.1U

120R

R957

C912

2U2

9V1

C927

220P

R960
27K

100K

R959

R961

220K

R962

R958

75R

R956

C913

2U2

R955

10K

AV-LOUT

BT3904

Q904

C911

2U2

AV-ROUT

2U2

C908

2U2

C909

10K

R950

R953

220K

220P

C910

D901

9V1

R951

120R

27K

R952

R954

AV-AUOUTR3

Q903

BT3904

F14

ZTX

UART-TX

UART-RX

R930

R931

R929

100R

R928

R970

5R1

22P

C923

ZD1+

C930

22P

5VAIN

+5V_USB

C919

0.1U

R939

33R

AV-CVBS1P

VGA_VS

HD1_PR1

AV_AULIN1

MINI_L

MINI_R

MINI_L

MINI_R

USB0_D-

RGB2-HDTV_SOGIN

RGB2-HDTV_GIN

HD1_RIN

RGB2-HDTV_RIN

RGB2-HDTV_BIN

VGA_GIN

VGA_HS

VGA-SDA

VGA-SCL

D0+

D1+

D1-

+5V_USB

D0-

D0+

D1-

D1+

D1-

+5V_USB

D1+

USB1_D-

D0-

+12V

9V1

AV-ROUT

CVBS_OUT0

AV-AUOUTL3

AV-VOUT

AV-LOUT

HD1_Y

C920

100U

16V

ZOL

AV-ROUT

AV-LOUT

AV-VOUT

MINI_V

ZUSBGND1

All manuals and user guides at all-guides.com

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Summary of Contents for L28B2500-MS306D-LA

Page 1: ...3CHEME IAGRAM 4ROUBLESHOOTING BOM list 4HIS M ANUAL I S T HE L ATEST AT T HE T IME OF PR INTING AND DOE S NOT INCLUDE THE MODIFICATION WHICH MAY BE MADE AFTER THE PRINTING BY THE CONSTANT IMPROVEMENT...

Page 2: ...rson 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 literature accompanying the...

Page 3: ...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 a damp cloth for cleani...

Page 4: ...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 reception This reminde...

Page 5: ...tructions 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 in performance indicat...

Page 6: ...9 CATV 1 125 Audio Power Output 5W 5W DTV Channels digital Antenna 7 69 DVSS Dolby Virtual Surround X Chassis MS306D LA DDAS Digital Dynimic Audio System YES Certification CB AVC Auto Volume Control Y...

Page 7: ...1 11 TCL TOT Alignment Procedure MODEL MS306C D Series VERSION V1 0 PREPARED BY gongjunzan DATE 2013 04 28 APPROVED BY DATE CRT SJ FK02 2013 All manuals and user guides at all guides com...

Page 8: ...u 1 Methods of Entering Method 1 Using the remote enter the Picture submenu in the OSD choosing the contrast item and press the 9 7 3 and 5 in series Factory Menu will appear in the left top of screen...

Page 9: ...and then press OK to confirm OK 8 POWER ON LAST ON Always turns on TV when AC power on STB Always goes to standby mode when AC power on LAST Restore the status before the last AC power off OK 9 USB U...

Page 10: ...OK R OFFSET 128 R OFFSET OK G OFFSET 128 G OFFSET OK B OFFSET 128 B OFFSET OK WB INIT DO ONLY FOR TCL R D OK The first step is to adjust HDMI 3 Design Menu 1 Methods of Entering Method 1 Using the rem...

Page 11: ...MODE STANDARD Standard Bright Mild User OK SOUND MODE STEREO Movie Sports Standard Music User OK Channel OK Language English Up to 10 languages optional OK COLOR SYS AUTO AUTO PAL SECAM OK SOUND SYS...

Page 12: ...ely used by R D OK Volume Curve Volume curve Exclusively used by R D OK BackLight Curve BackLight curve Exclusively used by R D OK OverScan Exclusively used by R D 4 Service Menu 1 Methods of Entering...

Page 13: ...Enter the Factory Menu enable FAC HOTKEY 2 Check Project ID and the version of software release date displayed at the bottom of Factory Menu 3 Enter Design Menu choose SERVICE MENU Project ID choose...

Page 14: ...PB RCA cable HDMI cable etc 5 3 ADC Calibration 5 3 1 Signal and generator PC Chroma2329 Pattern 42 Timing 14 1024X768 60Hz 5 MOSAIC YPBPR Chroma2329 pattern 103 Timing 79 100 Color Bar 720p 5 3 2 Ste...

Page 15: ...adjustment 1 Enter the factory menu White Balance select source HDMI 1 and Normal Temperature 2 Input grey signal in 720p format 3 Change R OFFSET and B OFFSET to make sure the value of color coordina...

Page 16: ...device DO not change the file name Then insert the USB device to USB interface of TV set Note MS306C_TCL bin software update file is for MS306C chassis MS306D_TCL bin software update file is for MS30...

Page 17: ...the right or left button of the remote to select the ID you want 5 After ID selection press MENU button of the remote to exit DESIGN MENU 6 Finally do AC power on off All manuals and user guides at a...

Page 18: ...BUILDING SOUTH NANHAI ROAD A DATE DATE DATE MODEL DESCRIPITION DRAWN CHECK APPR 7 7 6 6 D D C C B B THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIEDUNLESS PERMITTED IN WRITING FORMAT...

Page 19: ...35 392170 00X BRI_ADJ PWM0 5VAIN 5VAIN 3V3STB 3V3STB NC 1K R804 R820 0R 5VAIN 5VAIN L801 30R NC_4 12V 0R R807 R846 470K 1U C834 AVDD_DDR_1V8 R810 10K NC 100R R803 0 01U C829 NC B C E Q802 BT3904 C832...

Page 20: ...H05V 10K R911 10K R908 R909 10K HDMI_HP1 R912 4K7 E C B BT3904 Q901 H1_5V 8 6 3 1 2 7 4 5 10R RP903 5 4 7 2 1 3 6 8 RP904 10R ZHGND ZH1_5V ZH0GND 8 6 3 1 2 7 4 5 10R RP902 5 4 7 2 1 3 6 8 RP901 10R H0...

Page 21: ...6 C906 560P 1 2 P907 1 2 3 4 5 6 P905 C924 560P C926 22P USB0_D USB0_D USB1_D USB1_D RGB2 HDTV_RIN R922 33R RGB2 HDTV_GIN R918 68R 10K R919 R920 10K AV AUOUTL3 12V C907 2U2 C914 10U ZAV1GND AV VOUT AV...

Page 22: ...E1 RXE1 RXEC IF AGC SEL 0R R239 NC 10R R238 NC IF AGC SEL SPDIF OUT 0 1U C236 AV CVBS1P CVBS0P AV_AURIN1 AV_AULIN1 C217 2U2 C216 2U2 3V3STB 3V3STB 3V3STB 3V3STB R241 2K2 3V3STB 3V3STB 3V3STB 3V3STB 0...

Page 23: ...R601 56K R603 22K 1U C630 1500P C606 NC DGND R613 10K C611 330P C610 0 22U R628 10R L601A 220R NC 1500P C604 NC R631 1K 7K5 R612 R611 6K8 R610 22K R629 470R B C E Q603 BT3904 7K5 R615 R617 22K R616 1...

Page 24: ...IF 100R R118 IF IF IF C143 0 1U C142 0 1U C145 0 1U TUNER 3V3 VCC3V3 6 7 8 1 3 2 4 5 9 TU2 TUNER_SDA TUNER_SCL SYS_SCL SYS_SDA TUNER_SCL R126 1K R125 100K R130 0R NC TUNER_VCC 5VAIN R129 10K B C E Q1...

Page 25: ...heral circuit of mail IC check solder of main IC check data fo NVM and reset it Check reset signal of main no switch on Check 3 3V 12V 24V of power supply Check PW Check DC DC part check Check signal...

Page 26: ...frequence Check the peripheral circuit of mail IC updating SW reset NVM replace main IC Abnormal picture All signal source bad Individual signal source bad Check the path with this signal source Check...

Page 27: ...nd Check all sound source Individual sound signal source Check the sound signal link to main IC Check the peripheral circuit of main IC SW Check the power of sound IC Check sound IC Check wave filter...

Page 28: ...470 OHM 1 10W 1 0603 R7 T8 28B250KG KE1 19 AB0471 FTX RES SMD 470 OHM 1 10W 1 0603 R1 T8 28B250KG KE1 40 F3300B KEB2XG PCB 40 F3300B KEB2XG 121 5X126 5MM 11PC T8 28B250KG KE1 46 GHSS02 04SG CONN SMT 4...

Page 29: ...JTX RES SMD 100 OHM 1 10W 0603 R803 T8 MS06KS MA1 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 R965 T8 MS06KS MA1 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 R948 T8 MS06KS MA1 19 AB0102 JTX RES SMD 1K OHM 1...

Page 30: ...JTX SMD RES 0 OHM 1 16W 5 R102 T8 MS06KS MA1 19 GA0000 JTX SMD RES 0 OHM 1 16W 5 R115 T8 MS06KS MA1 19 GA0000 JTX SMD RES 0 OHM 1 16W 5 R954 T8 MS06KS MA1 19 GA0000 JTX SMD RES 0 OHM 1 16W 5 R930 T8...

Page 31: ...R207 T8 MS06KS MA1 19 GA0105 JTX SMD RES 1M OHM 1 16W 5 R226 T8 MS06KS MA1 19 GA0105 JTX SMD RES 1M OHM 1 16W 5 R103 T8 MS06KS MA1 19 GA0121 JTX SMD RES 120 OHM 1 16W 5 R822 T8 MS06KS MA1 19 GA0153 J...

Page 32: ...T8 MS06KS MA1 19 GA0472 JTX SMD RES 4 7K OHM 1 16W 5 R112 T8 MS06KS MA1 19 GA0472 JTX SMD RES 4 7K OHM 1 16W 5 R243 T8 MS06KS MA1 19 GA0472 JTX SMD RES 4 7K OHM 1 16W 5 R205 T8 MS06KS MA1 19 GA0472 J...

Page 33: ...ZFX CAP CER SMD 1UF 10 0V 0603 80 20 R C827 T8 MS06KS MA1 28 AA0225 KBX CAP CER SMD 2U2F 10V DCV 0603 C256 T8 MS06KS MA1 28 AA0225 KBX CAP CER SMD 2U2F 10V DCV 0603 C254 T8 MS06KS MA1 28 AA0225 KBX CA...

Page 34: ...20 C122 T8 MS06KS MA1 28 AC0105 ZFX SMD CAP 1 UF 16VDC 80 20 C836 T8 MS06KS MA1 28 AC0105 ZFX SMD CAP 1 UF 16VDC 80 20 C807 T8 MS06KS MA1 28 AC0225 KBX SMD CAP 2 2UF 10 16V SP 188605643 C603 T8 MS06K...

Page 35: ...0221 KBX SMD CAP 220PF 50V 10 C927 T8 MS06KS MA1 28 HB0330 JCX CAP CER SMD 33PF 50V DCV 0402 C139 T8 MS06KS MA1 28 HB0330 JCX CAP CER SMD 33PF 50V DCV 0402 C140 T8 MS06KS MA1 28 HB0330 JCX CAP CER SMD...

Page 36: ...SMD 47NF 16V 0402 C203 T8 MS06KS MA1 28 HC0473 KBX CAP CER SMD 47NF 16V 0402 C204 T8 MS06KS MA1 28 HC0473 KBX CAP CER SMD 47NF 16V 0402 C205 T8 MS06KS MA1 28 HC0473 KBX CAP CER SMD 47NF 16V 0402 C209...

Page 37: ...3 RT9108 NBB IC SPEC AUDIO POWER AMPLIFIER RT9108NBGC U601 T8 MS06KS MA1 19 AB0752 JTX SMD RES 7 5K OHM 1 10W 5 0603 R622 T8 MS06KS MA1 19 AB0822 JTX R SMD 8K2OHM 5 1 10W 0603 R623 T8 MS06KS MA1 13 W2...

Page 38: ...KS RC1 63 B3008T BF5G SCREW ST 3MM 8MM ISO 19 R Y FOR RC FC T8 28B250KS RC1 63 B4012T BF5G SCREW ST 4MM 12MM ISO 19 R Y FOR BACK T8 28B250KS RC1 64 B30080 105G SCREW 3MM 8MM R Y FOR BACK T8 28B250KS R...

Page 39: ...30380 0HX6Q DEC STAND BASE 00 1B 00 R N T8 28B250KG BS1Z 56 730390 0HA6R DEC STAND BASE PLATE 00 00 00 R N T8 28B250KG BS1 89 604792 JZ06 SUNDRIES FILM 0 05X250 SELF ADHESIVE FIL FOR STAND T8 28B250KG...

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TCL L28B2500-MS306D-LA, Service Manual

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