TCL LED28B2500 Service Manual Download Page 19

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DGND

DGND

680mA

Vout=0.8(1+R817/R816)=0.8(1+470/33)=12.19V

+24V/12V

GND

LO=>PS POWER OFF

LO=>LVDS POWER OFF

HI=>LVDS POWER ON

HI=>PS POWER ON

39k

DIM

GND

+24V/12V

P_ON/OFF

+24V/12V

BL_ON/OFF

DIMMING NEEDED PWMOUT,NO D807 & C891

VCC=0.8(1+R823/(R824+R825))=5.07V

R858 IS 0OHM

POWER 12V THIS NO NEED

POWER & BACKLIGHT CONTROL

BACKLIGHT DIMMING ADJUST

MAIN POWER SOCKET

DDR POWER

PANEL POWER SUPPLY

CORE POWER

12V TO 5VAIN CIRCUIT

173mA

CLOSE TO CONECTOR

3V3STB

24V TO12V CIRCUIT

D804

R805

R899

C801

NC_4

+12V

3V6

Z+3V3STB

L800

+3V3STB

R820

NC_4

R846

R839

10K

L804

R841

C815

R824

330R

U803

Q800

R812

BT3904

C808

R813

L803

35V

0.1U

C802

NC_4

R817

NC_4

NC_4

L805

+1V2_VDDC

V_AUDIO

R847

Summary of Contents for LED28B2500

Page 1: ...ON LIGNMENT 0ROCEDURE ˊ LOCK DIAGRAM ˊ3CHEME 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 OF PRODUCT ...

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 literature accompanying the appliance CAUTION Use of controls adjustments or procedures other than those specified herein may result in hazardous radiation exposure CA U T ION RISK RISK OF ELECTRI ELECTRI...

Page 3: ...o 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 a damp cloth for cleaning 10 1 Do not place this television set on an unstable cart stand or table The television set may fall causing serious injury to a child or an adult and serious damage to the ...

Page 4: ...ing 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 reception This reminder is provided to call the CATV system attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground sha...

Page 5: ...edurein 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 in performance indicates a need for service unplug the set and have it checked by a professional service technician 23 It is normal for some TV sets to make occasional snapping or popping sounds par...

Page 6: ...tom side Channels analog Antenna 2 69 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 YES Power Supply AC 110V 240V 50 60Hz Power Consumption TV on 40W Power Consumption Standby 0 5W Default Color of Front Cabinet SRS X Keyboard Position Back MTS Yes ...

Page 7: ...第 1 页共 11 页 TCL 集团多媒体电子全球运营本部 TOT 设计中心 Alignment Procedure MODEL MS306C D Series VERSION V1 0 PREPARED BY gongjunzan DATE 2013 04 28 APPROVED BY DATE 文件编号 CRT SJ FK02 2013 序号 ...

Page 8: ...e adjustments 2 Factory Menu 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 Method 2 Press RETURN button when FACTORY HOTKEY is enabled ON 2 General introduction FACTORY MENU ITEMS Default Setting Description Status 1 FAC HOTKEY OFF Factory hotkey ...

Page 9: ...utton to select the factory 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 UPDATE USB update refer as follow OK 10 ReloadEFBItem This item only factory used Note Below the factory menu some model information are showed including software version Pro...

Page 10: ... GAIN OK B GAIN 128 B GAIN 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 remote enter the Picture submenu in the OSD choosing the contrast item and press the 1 9 5 and 0 in series Design Menu will appear in the left top of screen Method 2 Press RETU...

Page 11: ...tatus Volume 30 0 100 adjustable OK PIC 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 DK DK BG I MN OK PRESET CH 1 0 199 adjustable OK COLOR TEMP NORMAL Medium Cool Ware OK Other ITEMS Default Setting Description Status VIF1 VIF adjust not adjust ...

Page 12: ...ve Sharpness curve Exclusively 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 Using the remote enter the Picture submenu in the OSD choosing the contrast item and press the 9 7 0 and 5 in series Service Menu will appear in the left top of screen SERV...

Page 13: ...d for appropriate setting 1 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 corresponding Project ID number of the product Refer to the V6 PROJECT ID0 in the BOM list 4 Return to Factory Menu check the Product model 5 Choose Factory Menu NVM RESET a...

Page 14: ... VGA cable AV RCA cable YPBPB 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 Steps of Calibration 1 Access to the Factory menu ADC 2 select RGB source and see the 5 MOSAIC appear on the screen 3 Select AUTO ADC Press the right button on the your remote ...

Page 15: ...9 for YPbPr 5 4 2 Steps of 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 coordination equal to X 0 280 0 015 Y 0 290 0 015 4 Input white signal in 720p format 5 Change R GAIN and B GAIN to make sure the value of color coordination equal to X 0 280 0 015 ...

Page 16: ...L bin to the root directory of your USB 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 MS306D chassis 2 using the remote enter the Picture submenu of the OSD choosing the contrast item and press 9 7 3 and 5 in series Factory Menu will appear in the lef...

Page 17: ...第 11 页共 11 页 4 Press 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 ...

Page 18: ... 33312403 5TH FLOOR TCL 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 DIN A4 TCL NOTE PAGE OF 5 4 3 2 1 5 4 3 2 1 A 2012 10 15 gongjz MS1306 CHASSIS 2012 10 3 ...

Page 19: ...3STB 12V BL_ON OFF L800 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 1U NC R839 10K NC R825 0R GND Z 24V 12V1 Z 24V 12V2 ZBL ON OFF1 R833 560R R832 6K8 R831 22K L804 22UH R841 4K7 10K R840 NC NC R843 10K 22K R830 NC_P R823 0R R822 120R 0 1U C838...

Page 20: ...0 1K 22R R914 R913 22R ZH05V 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_5V B C E Q902 BT3904 4K7 R905 HDMI_HP0 10K R902 R901 10K R904 10K 22R R907 H1_RX1 _IN H1_RX2 _IN HDMI1_SCL HDMI1_RX0P HDMI1_RX0N HDMI1_CLKN HDMI1_CLKP HDMI1_RX1N H1_RXC _IN H1...

Page 21: ... 6 P910 6 5 4 3 2 1 P909 1 2 3 4 P906 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 CVBS0P L901 220R ZVVS RGB0_Y SOG RGB0_Y 2U2 C929 AV_AULIN1 C928 2U2 CVBS_OUT0 R975 10K R974 10K ZV1 ZL1 ZR1 R921 33R R923 33R R924 33R RGB0_PR 33K R967 RGB2 HDTV_S...

Page 22: ...0 RXO4 RXO4 RXE2 RXE2 RXE1 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 1U C237 0 1U C241 3V3STB 0 1U C250 AVDD_DDR_1V8 1V2_VDDC AVDD_ADC 0 1U C239 3V3STB 0 1U C242 L202 120R C224 10U C255 NC 1000P C256 2U2 C257 2U2 R229 22K R227 4K7 1M R226 ZFCS R...

Page 23: ...03 2U2 10K R609 R606 56K 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 1K C622 220U 35V C623 0 1U C608 0 1U C624 1000P C609 1000P L603 22UH L602 22UH L601 22UH L604 22UH C617 0 1U C613 0 1U C618 330P C615 330P R618 100K C625 1000P C631 1000P 1U C62...

Page 24: ...1 L101 1R 1 4W R119 100R 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 Q104 BT3904 B E C Q101 BT3906 ZTG3 ZTG2 ZTG1 75R R122 ZT3V3 100P C109 C108 100P R123 75R ZTAGC ZTSDA 0 1U C116 ZT3V3F ZT5V R128 100K R127 100K TUNER_VCC B C E Q103 BT3904 B E C Q...

Page 25: ... IIC bus Check the peripheral 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 P ON DIMBL ON of main IC link to PW Trouble shooting ...

Page 26: ...n IC check LVDS cable Check crystal 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 panel ID ...

Page 27: ...te function Abnormal sound 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 and speaker Y ...

Page 28: ...1 19 AB0471 FTX RES SMD 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 1 25MM FEMALE WHITE R P1 T8 28B250KG KE1 48 TAC001 XX0 TACT SWITCH K3 T8 28B250KG KE1 48 TAC001 XX0 TACT SWITCH K6 T8 28B250KG KE1 48 TAC001 XX0 TACT SWITCH K1 T8 28B250KG KE1...

Page 29: ... T8 MS06KS MA1 19 AB0101 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 10W 0603 R631 T8 MS06KS MA1 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 R958 T8 MS06KS MA1 19 AB0102 JTX RES SMD 1K OHM 1 10W 0603 R616 T8 MS06KS MA1 19 AB0102 JTX RES SMD 1K OHM 1...

Page 30: ... T8 MS06KS MA1 19 GA0000 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 MS06KS MA1 19 GA0000 JTX SMD RES 0 OHM 1 16W 5 R813 T8 MS06KS MA1 19 GA0000 JTX SMD RES 0 OHM 1 16W 5 R823 T8 MS06KS MA1 19 GA0000 JTX SMD RES 0 OHM 1 16W 5 R231 T8 MS06KS MA1 ...

Page 31: ...19 GA0105 JTX SMD RES 1M OHM 1 16W 5 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 JTX R SMD 15K0OHM 5 1 16W 0402 R630 T8 MS06KS MA1 19 GA0204 JTX SMD RES 200K OHM 1 16W 5 R211 T8 MS06KS MA1 19 GA0204 JTX SMD RES 200K OHM 1 16W 5 R210 T8 MS06KS MA1...

Page 32: ...ES 4 7K OHM 1 16W 5 R113 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 JTX SMD RES 4 7K OHM 1 16W 5 R204 T8 MS06KS MA1 19 GA0472 JTX SMD RES 4 7K OHM 1 16W 5 R219 T8 MS06KS MA1 19 GA0511 JTX SMD RES 0402 1 16W 510 OHM 5 R117 T8 MS06KS MA1 19 GA0519...

Page 33: ...T8 MS06KS MA1 28 AA0105 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 CAP CER SMD 2U2F 10V DCV 0603 C245 T8 MS06KS MA1 28 AA0225 KBX CAP CER SMD 2U2F 10V DCV 0603 C257 T8 MS06KS MA1 28 AA0225 KBX CAP CER SMD 2U2F 10V DCV 0603 C929 T8 MS06KS MA1 28 ...

Page 34: ...FX SMD CAP 1 UF 16VDC 80 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 MS06KS MA1 28 AC0225 KBX SMD CAP 2 2UF 10 16V SP 188605643 C907 T8 MS06KS MA1 28 AC0225 KBX SMD CAP 2 2UF 10 16V SP 188605643 C605 T8 MS06KS MA1 28 AC0225 KBX SMD CAP 2 2UF 10 16V S...

Page 35: ...C910 T8 MS06KS MA1 28 HB0221 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 33PF 50V DCV 0402 C218 T8 MS06KS MA1 28 HB0330 JCX CAP CER SMD 33PF 50V DCV 0402 C219 T8 MS06KS MA1 28 HB0330 JCX CAP CER SMD 33PF 50V DCV 0402 C112 T8 MS06KS MA1 28 HB0331 KB...

Page 36: ...T8 MS06KS MA1 28 HC0473 KBX CAP CER 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 T8 MS06KS MA1 28 HC0473 KBX CAP CER SMD 47NF 16V 0402 C210 T8 MS06KS MA1 28 HC0473 KBX CAP CER SMD 47NF 16V 0402 C212 T8 MS06KS MA1 28 HC0473 KBX CAP CER SMD 47NF 1...

Page 37: ... MS06KS MA1 13 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 W25Q32 FVB IC MAIN MEMORY WINBOND U202 CPP T8 MS06KS MA1 33 YLL100 MTA SMD COIL 10uH NR8040T100M L805 T8 MS06KS MA1 40 MS1306 MAB2LG PCB MA 249 5 160MM 2PC DOUBLESIDED 1 6MM T8 MS06KS MA1 1...

Page 38: ...G S T SCREW B 3 X 8 BF FOR RC T8 28B250KS 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 RC1 67 725150 0G0 RAW SHIELDING CRT 32F3300B BASE SUPPORT T8 28B250KS RC1 67 M73055 0G0 RAW SHIELDING LR 00 00 00 R Y T8 28B250KS RC1 T8 28B250KS RC1Z ASS Y REAR ...

Page 39: ...E ART T8 28B250KG BS1Z 55 730380 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 BS1 89 604820 JZ0 PROTECTING LABEL 55mm H3 28B250SKS PE0 V6 PROJECT ID001 SOFTWARE PROJECT ID 01 H3 28B250SKS PE0 71 BAR030 0A0 PRI LABEL TCL WHITE BLACK R Y FOR CTV ...

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