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Hisense LHD32K366WCEU, Service Manual

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Hisense LHD32K366WCEU Service Manual Download Page 53

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

V+

VCC

SW

VCC

12V

VCC

12V_VCC

2D_PWM

14V

VCC

VCC_PFC

VPFC

VPFC

12V

STB

VCC_PFC

STB

VPFC

ISNS

VPFC

Title

Size

Document Number

Rev

Date:

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of

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Wednesday, December 18, 2013

Title

Size

Document Number

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Date:

Sheet

of

<Doc>

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A2

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Wednesday, December 18, 2013

Title

Size

Document Number

Rev

Date:

Sheet

of

<Doc>

<RevCode>

<Title>

A2

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Wednesday, December 18, 2013

C840

470n/63V(NC)

C811
1n/50V(NC)

R843
24k

R801
1M

R812
10k

VD811

1N4148W

1

2

R844
1k/2W

C828

470p/1KV

C822
2.2n/1KV

R825
680k

W845

R966
0R

VD812

FR104

1

2

C834

1000u/25V

VD810
FR107 

1

2

R853
1k

G802

C841
1u/50V

R824
270k(NC)

C816

100p/50V

R849

2k

R863
2k(NC)

R822
1M 1%

R851

1k

R810
30k

R827
270k

R811
NC

VD805
FR107 

1

2

R868
4.7k

M806

1

R834
10k

M822

1

R813
22R

C825
10n/50V

M3

MARK

R860

4.7k

W840

V803

STK0765BF

2

1

3

M810

1

C824

100p/50V

R838
0.51R/2W

M803

1

C813

220n/50V

W841

R842
24k

C839

1n/50V(NC)

V806
MMBT2907ALT1

1

2

3

R814
22R

R816
1k

M815

1

R956
0R

XP802

1

2

3

4

5

6

7

8

9

10

R855
12k

S2

D4.0

R865

47R

R836
10k

C847
1n/50V(NC)

N803

PC817BHS817BH11A817B

1

2

3

4

V807

MMBT2222A

1

2

3

R862

47R

R831

10k

G801

C817
100p/1KV(NC)

R859
10k

W843

R866

47R

R964
0R

C801

470p/AC400V

VD801
R208

1

2

C818

10n/1KV

VZ802
MSZ16T1G

1

2

L804

LCL-3505-HP 

1

2

3

4

VD815

MBR5H150VPTR-E1\L2F20 

1

2

R839
10R

C807
220n/AC275V

V808

MMBT2222A

1

2

3

C845

100n/50V

L807

LCL-008-F\ROH 

1

2

3

4

V805

MMBT2222A

1

2

3

M817

1

S1

D4.0

R826
680k

R864

47R

C802

470p/AC400V

T801

BCK-80-TM0047CQ

M811

1

R951
0R

R854

1k

C806
470p/1KV

R808
2k(NC)

M807

1

S3

D4.0

R809

10R

R830

1k

R845
4.7k

C827
100n/50V

R958
0R

R971
0R

C805
470p/1KV

W837

W848

S4

D4.0

R847
2k

C843
100n/50V

C832

1000u/25V

C808

47u/50V

R837

100k/2W

C842

100n/50V

M812

1

R821
1M 1%

C815

1n/50V

R846
4.7k

C819
100n/100V(NC)

R858

2k

G803

R832
22R

RV801
TVR10621KSKNY

R861

470R

VZ801
MSZ16T1G

1

2

L808

LCL-008-F\ROH 

1

2

3

4

VD808

1N4148W

1

2

VD813
1N4148W

1

2

R957
0R

W801

C823
1n/50V

R850

5.1k

R815
5.1k

R802
1M

R823
20k

M813

1

VD816

MBR5H150VPTR-E1\L2F20 

1

2

C830

1000u/25V

M804

1

VD817

MBR5H150VPTR-E1\L2F20 

1

2

N805

PC817BHS817BH11A817B

1

2

3

4

C814

47n/50V

W850

R857
6.2k

VD806
1N5408

1

2

L805

LLE-33H-P2

1

10

2 3

9 8 7 6

4 5

Q801

V801

1

2

3

4

C837

100n/50V

M820

1

M1

MARK

R963
0R

C821
100n/50V

M808

1

V802

MMBT2222A

1

2

3

Q804
RSAG7.308.055

1

R819
0.33R/2W

NCP1271D65R2G

N802

VCC

6

CS

3

Drv

5

HV

8

FB

2

GND

4

Skip/latch

1

01

7

R840
0.33R/2W

M818

1

C833
100n/50V

R817
1k

VD804
R208

1

2

M2

MARK

C810
82u/450VV

Q805

RSAG7.308.055

1

R852

10k

F801

TR53821400 

1

2

R967
0R

C838

470n/50V

R803
1M

V804

MMBT2222A

1

2

3

V801

TK10A60D 

3

1

2

N804
KA431AZutctl431

1

2

3

C804

220n/AC275V

C820

47u/50V

VD803
R208

1

2

R867
330R

Q806

RSAG7.308.055

1

C803

220n/AC275V

N801

MC33262DR2G

VFB

1

Comp

2

Multi

3

CS

4

Zcd

5

GND

6

Dri

7

Vcc

8

L803

LCL-3505-HP 

1

2

3

4

M801

1

M805

1

R828
20k(NC)

W838

XP801

1

2

L806

TEM2011 

M809

1

C848

100p/1KV(NC)

R856
6.2k

M819

1

VD807
MUR460G

1

2

C812

100n/50V

R835
3k

VD802
R208

1

2

RT801

NTC5D2-15LCS\V7

M802

1

M821

1

VD814
1N4148W

1

2

VD809
1N4148W

1

2

VZ804
MSZ16T1G

1

2

R820
1M 1%

R955
0R

R833
22R

R848

10k

C831
1000u/25V

C826

47u/50V

C844
100n/50V

C846

2.2n/AC400V

R829

10R

W839

C829

470p/1KV

VZ803
MSZ16T1G

1

2

R804
1M

VD818

MBR5H150VPTR-E1\L2F20 

1

2

C835

1000u/25V

C836
100n/50V

PB:5104

LTDN50K366WCEU 

Power 

board

Summary of Contents for LHD32K366WCEU

Page 1: ...ion Service Manual Chassis MT5651HROI Product Type LHD32K366WCEU LTDN40K366WCEU LTDN50K366WCEU Ver 1 0 November 2013 REVISION HISTROY Version Page Section Description Date ver1 0 ALL ALL First issued...

Page 2: ...1 USB Software Upgrading directly 16 4 2 USB upgrading unsuccessfully 17 4 3 Upgrading with the FlashTool0 6 0 exe 19 4 4 Network updating 22 5 Trouble shooting 27 5 1 Troubleshooting for Remote Cont...

Page 3: ...ve methods of performing service operations Some of these service operations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is...

Page 4: ...sion from RCA Hisense Eassumes no liability express or implied arising out of any unauthorized modification of design Servicetech assumes all liability 1 1 2 All ICs and many other semiconductors are...

Page 5: ...orized substitutions may result in fire electric shock or other hazards and will void the manufacturer s warranty 1 1 5 Safety regulations require that after a repair the set must be returned in its o...

Page 6: ...e product it may cause fire or electric shock 5 Do not pull out or insert the power cable from to an outlet with wet hands It may cause electric shock 6 Do not damage or modify the power cable It may...

Page 7: ...he power board start servicing at least 2 minutes after the main power has been turned off While the main power is on do not touch any parts or circuits other than the ones specified If any connection...

Page 8: ...the serviced points have not undergone any deterioration during servicing Also verify that the screws parts and cables removed for servicing purposes have all been returned to their proper locations...

Page 9: ...9 2 Product Function Specifications 2 1 Layout K366 Series...

Page 10: ...10 TVRear...

Page 11: ...11 2 2 Main board 5615 The top...

Page 12: ...12 2 3 Spec...

Page 13: ...function menu Press VOL VOL button adjust values in the menu b With user s RC 1 Power TV On 2 Press Menu button and call up User OSD Menu 3 Select Audio Balance when Balance is 0 4 Enter 1 9 6 9 in se...

Page 14: ...14 3 2 1 Signal prefabricate 3 2 3 Factory Option Item Default Options Notes 1 MODE M M U M Can enter factory mode with factory...

Page 15: ...and Auto Color data Clean All Clear completely Clean all data Update CI Credential Query CI Credential 3 2 4 Firmware Note The factory menu date varies according to different sources Incase changing...

Page 16: ...the item Clear Unprotected B Press VOL button to clear the EEPROM data C Close the OSD menu after 5 seconds D Restart the TV Last After the operation above all necessarily Re search the channels for t...

Page 17: ...ware connecting Connect the unit to your pc with a USB to serial port cable USB port connects to your PC and serial port to the TV s RS232 port As following 4 2 1 Install the driver Double click the i...

Page 18: ...18...

Page 19: ...lation After Connect the unit to your pc with a USB to serial port cable run FlashTool0 6 0 exe Please refer to the following steps to set How to choose Communicate port and flash baud rate See the fo...

Page 20: ...picture COM4 is connected to the TV so select COM4 and if COM6 is connected to the TV so select COM6 Select the right baud rate according to chip model For this unit chip model is MT5651 select 11520...

Page 21: ...ile and select it for example HIS_5651_m1v2_oceania_secure_nandboot bin Press Upgrade button and start upgrading if update defeat try again If bootloader Tool upgrading is ok then need renew USB upgra...

Page 22: ...is validated Auto Upgrade When it is set to on Turn on automatic check whether or not have any new updating file in servers when connects to the network Customer can download and update according to t...

Page 23: ...23 Figure 2 Figure 3 Check new version then bounce the following Figure 4...

Page 24: ...24 Select update to downloading Figure 5 After verify bounce dialog to select yes to sure to update the firmware Waiting Figure 6...

Page 25: ...nding following interface that indicates firmware update is sussessful Figure 7 Figure 8 Upgrade successfully power off and restart TV can bounce following prompt message otherwise upgrade is defeat F...

Page 26: ...26 2 Auto upgrade Auto upgrade and Network have little difference only in figure 4 As following Auto Upgrade Network upgrade figure 2...

Page 27: ...hen there is something wrong with your TV you can try turning off the TV and then restart it You can also operate according to the follow chart If the problems still cann t be solved please contact th...

Page 28: ...ol 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 IR BD Repla...

Page 29: ...g for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if any switches are stuck Replace Key BD OK...

Page 30: ...r 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...

Page 31: ...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 Suppl...

Page 32: ...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 YES...

Page 33: ...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 NO...

Page 34: ...re 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 YES NO 6 Signals Block Diagram and power as...

Page 35: ...Main Chip DRAM USBx3 HDMIx2 VGA AV IN IR JTAG YPbPr1 RGB Eth UART CVBS SC SPEAKER OUT HPOUT SPEAKER AMP Block Diagram LOCAL_DIM_EN PWR_FAULT EMMC_RST ADIN0 LED_DX AMP_MUTE MEMC_ON OFF OPWM6 LED3 PHYAD...

Page 36: ...T5651 KEY STRAPPING MT5651 RST 3 3VS VPA 12V_IN 3D Sync Modulator 5VS T C S2 TUNER 1 25V VCCK 12V S2 DEMO DDR3 5V E2PROM LD117 ADJ Hisense Electric Co LTD Title MP1482 S2 DEMO 1 2V AO3401L 12V PWR BEA...

Page 37: ...18 HA5501 27VC N18 HA5501 27VC VOUT 1 VIN 2 GND 3 NC 4 CT NC 5 R116 100R R116 100R C281 0805 10u 10V X5R C281 0805 10u 10V X5R R255 10k R255 10k R241 1k R241 1k R232 121k R232 121k C240 0402 22n 25V X...

Page 38: ...V C354 1u 25V N6 IML7991ID N6 IML7991ID OUT1 1 OUT2 2 OUT3 3 OUT4 4 OUT5 5 OUT6 6 OUT7 7 AVDD 8 STATIC_HI 9 A0 10 AGND 11 BANK_SEL 12 DGND 13 SCL 14 SDA 15 nWR_23 16 DVDD 17 OUT8 18 OUT9 19 OUT10 20 O...

Page 39: ...N1D R38 0R NC R38 0R NC R26 100k R26 100k 3 3VS 3 3VS V3 V3 1 2 3 C46 1u 10V C46 1u 10V R1 1k NC R1 1k NC C38 100n 16V C38 100n 16V C36 10u 10V C36 10u 10V R517 499R R517 499R C225 100n 16V C225 100n...

Page 40: ...CC 8 C77 100n 16V NC C77 100n 16V NC R66 0R R66 0R R83 4 7k R83 4 7k R70 10k R70 10k C58 4 7u 10V C58 4 7u 10V R73 10k R73 10k R47 330R R47 330R R85 100R R85 100R R74 10k NC R74 10k NC Q1 RADIATOR 2 H...

Page 41: ...1 XP21 1 2 3 4 5 R410 4 7k NC R410 4 7k NC VD2 FC 3215BXK 465D NC VD2 FC 3215BXK 465D NC 1 2 C108 10n 50V C108 10n 50V C99 100n 16V C99 100n 16V L70 BLM18PG121SN1 L70 BLM18PG121SN1 C380 10p 50V C380 1...

Page 42: ...2 MMBT3906LT1 NC 3 1 2 R415 2 2k R415 2 2k R431 4 7k NC R431 4 7k NC C415 100n 16V NC C415 100n 16V NC L802 BLM15AG601SN1 L802 BLM15AG601SN1 R426 10R R426 10R XP20 TJC10 4AW XP20 TJC10 4AW 1 2 3 4 L80...

Page 43: ...H2 RDQ4 C2 RDQ5 J1 RDQ6 B1 RDQ7 J2 RDQ8 J4 RDQ9 F5 RDQ10 H4 RDQ11 E4 RDQ12 H5 RDQ13 G3 RDQ14 J3 RDQ15 G4 RDQ16 A14 RDQ17 B9 RDQ18 B14 RDQ19 A9 RDQ20 B15 RDQ21 C8 RDQ22 C14 RDQ23 C9 RDQ24 D10 RDQ25 F1...

Page 44: ...0R R188 30k R188 30k RV1 AVLC18S02015 RV1 AVLC18S02015 C173 100n 16V C173 100n 16V XS12 XS12 GND 2 GND 5 SIGNAL7 7 SIGNAL9 9 GND 8 SIGNAL4 4 SIGNAL6 6 SIGNAL1 1 SIGNAL3 3 C186 22n 25V C186 22n 25V C5...

Page 45: ...33R NC R655 33R NC C444 47p 50V C444 47p 50V C619 220p 50V NC C619 220p 50V NC R680 4 7k R680 4 7k R199 100R NC R199 100R NC R270 4 7k R270 4 7k MT5651_0928 N3C MT5651_0928 N3C AIN1_L_AADC AB19 AIN1_R...

Page 46: ...20R2 RV18 ASES12U020R2 RV18 ASES12U020R2 R214 47R R214 47R R222 47k R222 47k RV31 ASES12U020R2 RV31 ASES12U020R2 C207 100n 16V C207 100n 16V V15 MMBT3904LT1 V15 MMBT3904LT1 3 1 2 V12 MMBT3904LT1 V12 M...

Page 47: ...ent Number Rev Date Sheet of MT5651 LVDS POWER CONTROL 1 0 Hisense Electric Co LTD 17 12 A3 Thursday July 18 2013 C289 10p 50V C289 10p 50V TX_AO2NH TX_AO2NH C293 10p 50V C293 10p 50V R319 0R R319 0R...

Page 48: ...18 2013 Title Size Document Number Rev Date Sheet of 14 17 Hisense Electric Co LTD 1 0 SILICON TUNER MT5651 A2 Thursday July 18 2013 N41 AP2161SG NC N41 AP2161SG NC GND 1 IN1 2 IN2 3 EN 4 OC 5 OUT1 6...

Page 49: ...1N4148W 1 2 R280 4 7k NC R280 4 7k NC C249 33n 50V C249 33n 50V C266 10u 6 3VV C266 10u 6 3VV C230 10n 50V NC C230 10n 50V NC N21 TAS5707 N21 TAS5707 OUT_A 1 PVDD_A 2 PVDD_A_7 3 BST_A 4 GVDD_OUT_31 5...

Page 50: ...8 9 10 C803 474 AC250V C803 474 AC250V L909 L HX L909 L HX R813 10R R813 10R VD808 R208 VD808 R208 1 2 R923 2R2 R923 2R2 N807 TL431 N807 TL431 1 2 3 V932 2907 V932 2907 1 2 3 C848 1000P 2KV C848 1000...

Page 51: ...0V C809 68u 450V R820 10K R820 10K VD806 R208 VD806 R208 1 2 C866 47uF 50V C866 47uF 50V M810 M810 1 V947 2907 V947 2907 3 1 2 C871 47uF 50V C871 47uF 50V C936 224 450V C936 224 450V V939 2222 V939 22...

Page 52: ...22A 1 2 3 R935 20k T902 BK 10 05HY 1 10 2 3 9 8 7 6 4 5 VD902 1N4148W 1 2 C910 220p 50V V904 MMBT2222A 1 2 3 R920 1k R915 2k NC R940 10R R942 0R V905 2N7002K 3 1 2 R906 10k R941 10R NC R918 47k C901 2...

Page 53: ...9 10R R830 1k R845 4 7k C827 100n 50V R958 0R R971 0R C805 470p 1KV W837 W848 S4 D4 0 R847 2k C843 100n 50V C832 1000u 25V C808 47u 50V R837 100k 2W C842 100n 50V M812 1 R821 1M 1 C815 1n 50V R846 4 7...

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