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5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

Power for USB

USB Input

Shield

USB0_DP
USB0_DM

USB1_D1-_in

_in

5VAIN

5VAIN

5V_USB

+5V_USB

5V_USB

ON_USB

2

USB0_DP

2

USB0_DM

2

5VAIN

1

Title

Size

Document Number

Rev

Date:

Sheet

of

USB

10

10

A

MSD309PX

A

Tuesday, January 10, 2012

Title

Size

Document Number

Rev

Date:

Sheet

of

USB

10

10

A

MSD309PX

A

Tuesday, January 10, 2012

Title

Size

Document Number

Rev

Date:

Sheet

of

USB

10

10

A

MSD309PX

A

Tuesday, January 10, 2012

R61
4.7k/NC

R61
4.7k/NC

C114

1u/16V/NC

C114

1u/16V/NC

R43

5.1R

R43

5.1R

C115
100n/16V

C115
100n/16V

L888

STPB2012-121PT

L888

STPB2012-121PT

V25

MMBT3904LT1 /NC

V25

MMBT3904LT1 /NC

3

1

2

SH2

SH2

1
2
3
4

C817

100u/16V
C817

100u/16V

L46

STPB2012-121PT

L46

STPB2012-121PT

R49

4.7k/NC

R49

4.7k/NC

RV8

ASES12U020R2/NC

RV8

ASES12U020R2/NC

N28
AO4459 /NC

N28
AO4459 /NC

S1

1

S2

2

S3

3

G

4

D1

8

D1

7

D2

6

D2

5

RV7

ASES12U020R2/NC

RV7

ASES12U020R2/NC

XP15

XP15

VCC

1

D -

2

D+

3

GND

4

G

N

D

5

G

N

D

6

C120
1u/16V

C120
1u/16V

R42

5.1R

R42

5.1R

PDF 

文件使用

 "pdfFactory Pro" 

试用版本创建

  

ÿÿ

 

 

 

 

 

 

 

www.fineprint.com.cn

LTDN24K26CEU 

main 

board 

circuit

Содержание LHD32K26CEU31

Страница 1: ...LCDTelevision Service Manual Chassis MSD308PX LTDN24K26CEU LHD32K26CEU 31 LTDN46K26CEU Ver 1 0 Hisense Electric Co Ltd March 2012...

Страница 2: ...Cover 11 3 Factory Service OSD Menu and Adjustment 13 3 1 To enter the Factory OSD Menu 13 3 2 Factory OSD Menu 14 4 Software Upgrading 15 4 1 Upgrading with the ISP_TOOL 15 4 2 Upgrading with the USB...

Страница 3: ...signed for the purpose The special tools should be used when and as recommended It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order t...

Страница 4: ...racteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Hisense Hisense assumes no liability expres...

Страница 5: ...t blade exposure To prevent electrical shock match wide blade or plug to wide slot fully insert 1 1 4 When replacement parts are required be sure to use replacement parts specified by the manufacturer...

Страница 6: ...wer Continuing to use the product may cause fire or electric shock 5 If the product emits smoke and abnormal smell or makes an abnormal sound immediately turn off the power Continuing to use the produ...

Страница 7: ...e safety of the product and the servicing work Be sure to follow these instructions Before starting the work secure a sufficient working space At all times other than when adjusting and checking the p...

Страница 8: ...cuit board be sure to remove static electricity from your body before handling the circuit board Be sure to handle the circuit board by holding the large parts as the heat sink or transformer Failure...

Страница 9: ...and cables removed for servicing purposes have all been returned to their proper locations in accordance with the original setup The lightning flash with arrowhead symbol within an equilateral triang...

Страница 10: ...10 2 Product Specifications 2 1 Specification LTDN46K26CEU...

Страница 11: ...Take LHD32K26CEU 31 LTDN46K26CEU main board 4862 for example The tuner has changed once from FH1610 to TDTC G901D T Note 2 3 Rear Cover Main IC MSD308 LVDS OUT Y PB PR L R VGA USB HDMI Earphon SCART...

Страница 12: ......

Страница 13: ...me to LHDN32K15 LEDN42K16CEU HE420CF E01 ROH HX2 2X26KLBB500 HS 1 LTDN46K26CEU LTA460HM06 ROH HX2 2X26KLBB500 SAM ROH LTDN24K26CEU V236H1 LE4 JK ROH HX2 2X20KLB400P CMO ROH LHD32K26CEU 31 HE315FH E56...

Страница 14: ...with user s RC 2 Mode M is only used for factory production b With user s RC Power on the TV 1 Press Menu button and call up User OSD Menu 2 Select Sound Balance item 3 Press number key 1 9 6 9 in seq...

Страница 15: ...ftware Upgrading 4 1 Upgrading with the ISP_TOOL 4 1 1 Hardware connecting You can update the software through a special tool as following Connect the Debug board to the TV use VGA interface or the RS...

Страница 16: ...upgraded by a burning tool ISP_TOOL exe 2 Find the folder where the ISP_TOOL4 5 0 4 lies in There are three folders files in this folder together DLPORTIO dll and FTD2XX DLL must be in the same folde...

Страница 17: ...l show as below Draw on the front of Use USB Port Type setting is USB Base Addr setting is 0x38C ISP Slave Address choose 0x92 Serial Debug Slave Address choose 0xB2 5 Click the Connect button if appe...

Страница 18: ...ing figure It indicates that the ISP_TOOL has not connected Please click the DisCon button and Connect button to connect 6 Click the Read button Choose the correct update file 7 After the update file...

Страница 19: ...19 8 Click the Run button and wait update end If show any error message then do Dis Con Connect and click the Run button again till show the following dialog window...

Страница 20: ...it will show a confirm message box Press button to select yes in the confirm message box to start automatic update 5 Then it will update the software automatically Please don t power off during the u...

Страница 21: ...wer assign and block diagram Block diagram 5VSB VCC A TAS5707 12V AO4559 Panel Tuner FH2 78D05 5V 12V NB637 5V_M MP1482 VDDC MSD308 1117 2 5 N46 2 5V 1084 3 3 3 3V 1117A HDMI 1084A DDR N41 1 8V USB 11...

Страница 22: ...ONTRAL INPUT SCART CVBS and RGB IN CVBS OUT AUDIO IN OUT VIDEO INPUT YPbPr and CVBS AUDIO IN VGA INTERFACE HDMI Panel POWER SUPPLY UNIT SPEAKER OUT HS3611 Amplyfier DDR FLASH HDCP EEPROM MSD308PX I2C...

Страница 23: ...emote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led...

Страница 24: ...ng for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key B D Replace main board Check solder connections and see if any switches are stuck Replace Key BD...

Страница 25: ...er on Is LED light NO YES Check Power Output YES NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED...

Страница 26: ...Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO OK YES NO Power Supp...

Страница 27: ...5 Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YE...

Страница 28: ...6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replace wires NO YES YES N...

Страница 29: ...7 Troubleshooting for Video input No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace Cable Wires NO YES YES NO...

Страница 30: ...30 6 Schematic circuit diagram Note LHD32K26CEU 31 and LTDN42K26CEU have the same main board RSAG7 820 4862 LTDN24K26CEU main board is RSAG7 820 4871 7 Explode View...

Страница 31: ...684 R942 684 C947 C947 R942A R942A C942 C942 N933 TL431 N933 TL431 1 2 3 N932 PC817 N932 PC817 1 2 3 4 R935 R935 VD937 VD937 1 2 R801 R801 C940 C940 XP809 XP 06 HX XP809 XP 06 HX 1 2 3 4 5 6 C804 C804...

Страница 32: ...R858 100K R858 100K R881 R881 C835 102 C835 102 N834 N834 ISEN5 15 LDR 16 VERF 17 GNDP 18 ISEN8 7 ISEN6 8 ISEN7 9 OVP 10 ISET 11 RT 12 ENA 13 ISW 14 GNDA 6 ISEN4 5 ISEN3 4 ISEN2 3 ISEN1 2 PWM 1 SEL 2...

Страница 33: ...LCL 3505 HP L803 LCL 3505 HP 1 2 3 4 C878 100n 50V C878 100n 50V R999 1k R999 1k L806 LCL 2508 L806 LCL 2508 1 2 3 4 VZ806 MSZ16T1G VZ806 MSZ16T1G 1 2 C845 10n 1KV C845 10n 1KV C809 68u 450V C809 68u...

Страница 34: ...9101 P0R90201 P0R90301 P0R92602 P0R92702 P0R93201 P0T80309 P0T803010 P0T831011 P0T831012 P0U701014 P0V70203 P0V90502 P0XP90103 P0XP90104 P0XP90107 P0XP90108 P0XP901013 P0XP90203 P0XP90204 P0XP90303 P0...

Страница 35: ...R448 100k R448 100k C201 100n 16V C201 100n 16V C811 100u 16V C811 100u 16V R34 1k R34 1k R32 10k NC R32 10k NC L93 BLM18PG121SN1 NC L93 BLM18PG121SN1 NC C12 100n 16V C12 100n 16V C195 1u 16V C195 1u...

Страница 36: ...R40 10k R40 10k R723 22k R723 22k R771 100R R771 100R C376 22u 16V C376 22u 16V R512 100K R512 100K N55 R TSOP14N 065 640 HX MSP430F2012 N55 R TSOP14N 065 640 HX MSP430F2012 VCC 1 P1 0 TACLK ACLK AO_...

Страница 37: ...R526 22k NC C237 100n 25V C237 100n 25V R483 100R R483 100R R534 0R NC R534 0R NC RV117 AVLC18S02015 RV117 AVLC18S02015 RV116 AVLC18S02015 RV116 AVLC18S02015 R484 10k R484 10k XS6 XS6 R 2 SW2 4 SW1 5...

Страница 38: ...2U020R2 NC RV103 ASES12U020R2 NC V90 MMBT3904LT1 V90 MMBT3904LT1 3 1 2 R952 4 7k R952 4 7k C214 560p 50V NC C214 560p 50V NC XS17 XS17 SIGNAL 1 GND 2 SIGNAL_1 3 R951 0R NC R951 0R NC C932 22u 6 3V C93...

Страница 39: ...25V C888 100u 25V R738 0R R738 0R C707 2 2u 10V NC C707 2 2u 10V NC R741 0R R741 0R R737 22k NC R737 22k NC R742 0R R742 0R C889 220u 25V NC C889 220u 25V NC R743 0R R743 0R C890 220u 25V NC C890 220...

Страница 40: ...YNC1 Y6 PADA_BIN2M R1 PADA_GIN2M T2 PADA_RIN2M U2 PADA_SOGIN2 T3 PAD_HSYNC2 V4 PADA_RIN0P M3 PADA_BIN0P K3 PADA_RIN1P P2 PADA_GIN1M P3 PADA_BIN1P M1 PADA_RIN2P U3 PADA_GIN2P T1 PADA_BIN2P R2 PADA_CVBS...

Страница 41: ...G20 VDDC1 2V_37 G22 AVDD25_REF_38 N9 DVDD_NODIE L10 AVDD_DVI_40 F9 AVDD_DVI_41 F10 AVDD_DVI_42 G9 AVDD_DMPLL G10 AVDD3P3_ADC H9 AVDD3P3_ADC_45 H10 GND V7 GND_47 W7 GND_48 V8 GND_49 W8 GND_50 V9 GND_5...

Страница 42: ...ASES12U020R2 NC RV114 ASES12U020R2 NC RV114 ASES12U020R2 NC R190 10R R190 10R R278 10R R278 10R R186 4 7k R186 4 7k R913 22k R913 22k R227 10R R227 10R RV102 ASES12U020R2 NC RV102 ASES12U020R2 NC V31...

Страница 43: ...4 AVLC18S02015 R504 75R R504 75R C338 100n 25V C338 100n 25V R260 150R R260 150R R421 0R R421 0R R256 47k R256 47k RV52 AVLC18S02015 RV52 AVLC18S02015 C342 2 2u 10V C342 2 2u 10V R485 75R R485 75R RV3...

Страница 44: ...7 8 8 C97 10u 10V NC C97 10u 10V NC V21 MMBT3904LT1 NC V21 MMBT3904LT1 NC 3 1 2 H4 NC H4 NC 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 C220 10n 50V C220 10n 50V H3 NC H3 NC 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 M7 MA...

Страница 45: ...R NC R180 10k NC R180 10k NC C319 10u 16V NC C319 10u 16V NC R332 10k R332 10k R148 10k NC R148 10k NC R133 47k NC R133 47k NC RV32 AVLC18S02015 NC RV32 AVLC18S02015 NC C825 100u 25V C825 100u 25V VD9...

Страница 46: ...y January 10 2012 R61 4 7k NC R61 4 7k NC C114 1u 16V NC C114 1u 16V NC R43 5 1R R43 5 1R C115 100n 16V C115 100n 16V L888 STPB2012 121PT L888 STPB2012 121PT V25 MMBT3904LT1 NC V25 MMBT3904LT1 NC 3 1...

Страница 47: ...R454 10k NC R714 1k NC R714 1k NC XP14 XP14 1 2 3 R1744 NC 100R R1744 NC 100R C893 10u 16V C893 10u 16V R1742 NC 0R R1742 NC 0R R1604 0R R1604 0R XP12 XP12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1...

Страница 48: ...772 10k XP15 XP15 1 2 3 4 R765 4 7k NC R765 4 7k NC C378 10u 10V C378 10u 10V R782 0R NC R782 0R NC R778 4 7k R778 4 7k R526 10k NC R526 10k NC R764 4 7k R764 4 7k R767 100R R767 100R R774 100R R774 1...

Страница 49: ...1 8 C820 2 2 u 6 3 V C820 2 2 u 6 3 V C818 2 2 u 6 3 V C818 2 2 u 6 3 V R51 22k R51 22k L47 BLM21PG220SN1D NC L47 BLM21PG220SN1D NC C74 10u 10V C74 10u 10V C72 10u 10V NC C72 10u 10V NC C812 22u 6 3V...

Страница 50: ...1 2011 12 09 add R535 R536 V44 for HS PR3D panel internal resister is small 3 3Kohm 3 2 K 2 6 C E U 3 1 4 2 K 2 6 C E U m a i n b o a r d c i r c u i t...

Страница 51: ...DA_RIN1P P2 PADA_GIN1M P3 PADA_BIN1P M1 PADA_RIN2P U3 PADA_GIN2P T1 PADA_BIN2P R2 PADA_CVBS0 AC5 PADA_CVBS4 W2 PADA_CVBS5 W3 PADA_CVBS_OUT1 V3 PADA_VCOM W1 PADA_CVBS1 W4 PADA_CVBS2 W5 PADA_CVBS_OUT2 A...

Страница 52: ...U12 GND_90 V12 GND_91 W12 GND_92 D13 GND_93 E13 GND_94 F13 GND_95 H13 GND_96 J13 GND_97 K13 GND_98 L13 GND_99 M13 GND_100 N13 GND_101 P13 GND_102 R13 GND_103 T13 GND_104 U13 GND_105 D14 GND_106 E14 G...

Страница 53: ...ATA1 _5_5 6 DATA0 _6_6 7 DATA0S 8 DATA0 _8_8 9 CLK _9_9 10 CLKS 11 CLK _11_11 12 CEC 13 NC 14 SCL 15 SDA 16 CEC GND_16_16 17 5V_17_17 18 HPDET 19 GND1 20 GND2 21 GND3 22 GND4 23 VD68 BAT54C VD68 BAT54...

Страница 54: ...U020R2 R510 75R R510 75R RV83 AVLC18S02015 RV83 AVLC18S02015 R420 8 2k R420 8 2k RV86 AVLC18S02015 RV86 AVLC18S02015 R516 0R R516 0R N31 K24C02 NC N31 K24C02 NC A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 V...

Страница 55: ...AGC 9 DIF P 10 DIF N 11 GND1 12 GND2 13 GND3 14 GND4 15 C979 10u 16V NC C979 10u 16V NC C446 100n 16V Nc C446 100n 16V Nc N20 LD1117A 3 3AZ1117H 3 3 NC N20 LD1117A 3 3AZ1117H 3 3 NC ADJ 1 VOUT 4 VIN...

Страница 56: ...28 10k R328 10k VD65 1N4148W VD65 1N4148W 1 2 R423 0R R423 0R L1410 0 uH L1410 0 uH R319 200R R319 200R C124 1u 50V C124 1u 50V RV33 AVLC18S02015 NC RV33 AVLC18S02015 NC VD69 1N4148W VD69 1N4148W 1 2...

Страница 57: ...10V C970 100n 10V C970 100n 10V R457 22R R457 22R C289 1u 10V C289 1u 10V C216 1u 50V NCNC C216 1u 50V NCNC C965 100n 10V C965 100n 10V R456 NC 4 7R R456 NC 4 7R L92 BLM18PG181SN1 NCNC L92 BLM18PG181...

Страница 58: ...R R45 5 1R R49 4 7k NC R49 4 7k NC R61 4 7k NC R61 4 7k NC R42 5 1R R42 5 1R RV7 ASES12U020R2 RV7 ASES12U020R2 XS17 XS17 VCC 1 D _1_1 2 D _2_2 3 GND 4 GND_4 5 GND_5 6 C115 100n 16V C115 100n 16V SH2 S...

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