Sanyo 42K30TD Schematic

SERVICE MANUAL LCD Television

FILE NO.

Model No. LCD-42K30TD

Service Ref.No. LCD-42K30TD-00

Product Code: 1-130-184-11

Contents

Safety Notice...............................................2

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Chassis Block Diagrams.............................4

CPU Block Diagrams ....................

IC Block Diagrams ....................

On-screen Service Menu System..........9-12

Service Adjustments............................13-15

Mechanical Disassembly......

Chassis Electrical Parts List.................18-33

PCB Assemble.....................................34-35

Printed Wiring Board............................36-39

Schematic Diagram..............................40-45

N7DM REFERENCE NO.

.............

..............

...............

6-8

16-17

Original Version

Chassis Series:UE5-A

5

Give complete "SERVICE REF. NO." for parts order or servicing.It is shown on the rating lable at the cabinet back of the unit.

This T.V. receiver will not work properly in foreign countries where the television transmission system and power source

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SM3010414

Safety Notice

Safety Precautions

The following precautions must be observed.

1:Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the cabinet or on the chassis.

2:When replacing a chassis in the cabinet, always be certain that all the protective devices are installed properly, such as, control knobs, adjustment covers or shields, barriers, etc..

DO NOT OPERATE THIS TELEVISION WITHOUT THE PROTECTIVE SHIELD IN POSITION AND PROPERLY SECURED

3:Before replacing the cabinet cover, thoroughly inspect the inside of the cabinet to see that no stray parts or tools have been left inside.

Before returning any televison to the customer, the service personnel must be sure that it is completely safe to operate without danger of electrical shock.

Product Safety Notice

Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by mark

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It is particularly recommended that only parts designated on the parts list in this manual be used for component replacement designated by mark No deviations from resistance wattage or voltage ratings may be made for replacement items designated by mark

.

in the parts list and the schematic diagram designate components in

.

2

3

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Model LCD-42K30TD

Maximum Visible Range

Picture Resolution 1920(H) x 1080(V)

Viewable Angle(L。/3) L/R:+/-89D, U/D:+/-89D

Brightness 500cd/m²

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Mobile Trailer Time 5ms

Voltage AC110-242V 50/60Hz

Power Consumption 188W

Power Management VESA DPMS

Digital TV System DVB-T(2K/8K COFDM), Band Wide: 7MHZ

Video decoder:MPEG2 MP@HL

Audio decoder:MPEG1,MPEG2(Layer I/II),and DOLBY Digital(AC3)

Analog TV System Colour System:PAL,SECAM,NTSC/NTSC4.43(only AV)

Sound System:D/K,I,B/G,

Stereo System:NICAM,A2/IGR(German Stereo)

Channel Coverage - VHF: 0-12

106cm

- UHF: 27-69,

- MATV: UHF 20-27, UHF 70-75, S2-S44

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Speaker Size Mains: 6cm x 12cm x 2pcs

Sound speciality Maximum Output Power is 10W+10W

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Input terminals PC input terminal : RGB X 1 HDMI terminal: x3

Audio: Mini stereo jack x 1 (Audio input of PC)

Video: Composite video terminals x1 (9SS)

S-VIDEO input: x 1 (DIN 4-pin, Y/C separate signal input)

DVD input: Component video input Y, C

Audio input: (R/L) x 4 (400mVrms)

Output terminals

Audio Monitor Output: R/L x 2 (P9UPV.

S/P DIF (Coaxial) Output x 1

Dimensions (Width x Height x Depth) 1009.5mm X 674.8mm X 271.6mm (Including Stand)

Net Weight (Including Stand ) 18 KG

Operating Environment Operating Temperature 0ºC~40ºC（32ºF~104ºF

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Storage Temperature -10ºC~50ºC（14ºF~122ºF

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Video Monitor Output:

Headphone Jack : Mini stereo jack x1

[9SS

）

B/PB

, CR/PR input x 1

Chassis Block Diagrams

/

RST

UAR

HP-R

UAR

p

LG PANEL

32” -LC320WXN-SBA1

42” -LC420WUN-SBA1

UART

I/F

FOR SOFT DEBUG

for HDCP

EEPROM

24C32

EEPROM

24C512

I2C

UART

DDCR

DUAL

LVDS

10W

POWER

AMPLIFIER

OP AMP

4558R

L

R

QNJM4558M---P

MUX

LINE

AUDIO

10W

TDA3124D2

MUTE1

OUT

QTPA6110A2--P

AU AMP

TPA6110

MUTE2

5V VA

HP-L

HEAD PHONE

OUTPUT

5V STB

12MHz

20.48M

IF_AGC

SPI FLASH

(option for air

update)

DDR SDRAM

TS

DVB-T

IF-

TUNER

SPI FLASH

32Mb

SPI

DDR

256Mb x2

TS

CVBS0P

I2C

DEMODULATOR

CE6353

IF+

TV-VID

IIC1

RF-AGC

IF_TV

IF-PLL

TDA9886

TDTC-G501D

QTDA9886TSV4P

Q24C02CT/ SN-P

date

for external

u

SIF

SIF P/M

4MH

R/G/B

24C02CT

IIC2

VGA

R/G/B 1

LINE IN2

R L

JACK

09CL- H

DVB LCD/PDP DTV

PROCESSOR

CVBS4P

CVBS6P

C

Y

CVBS

S_VIDEO

CVBS1P

LINE IN3

L/R

AV1

L/R

MCU

UART1

RXD/TXD

MAX232

MSD1

LINE IN1

R/G/B 0

L/R

Y/Pb/Pr

L/R

Y/Pb/Pr

VIDEO DEC

MPEG2 MP@HL DEC

MPEGI&II,AC3 DEC

NICAM/A2

SCALER

HDMI

LVDS

CVBSO

HP-R

HP-L

H.PHONE

LINE OUT1

BUFFER

CVBS/L/R

AV OUT

I2C-DDC

PS321TQFP80M

Q

ESD

QRCLAMP0524PP

11B0580M

1LB4J

RS232_I

SPDIFO

SPDIF

HDMI

DDCDA

HOTPLUG

1/3

IIC1

HPD1

HDMI_1

PORTS

SWITCH

ESD

IIC2

HDMI_2

PS321

ESD

HPD2

HDMI_3

IIC3

USB

KEY

IR

HPD3

RESET

USB

IR

HEADER

KEY BOARD

4

5

CPU

Block Diagrams

MSD109CL-H

IC Block Diagrams

K4H561638H

V

LDQS

LDM

CAS

RAS

AP/A

DQ

V

WE

BA

V

DD

DDQ

SSQ

DDQ

SSQ

NC

DDQ

NC

DD

NC

CS

NC

A

DD

V

DD

V

DD

0

DQ

0

NC

V

DDQ

NC

1

2

DQ

V

SSQ

NC

3

4

DQ

V

DDQ

NC

5

DQ

6

V

SSQ

NC

7

NC

V

DDQ

NC

V

NC

WE

CAS

RAS

CS

NC

BA

0

BA

1

AP/A

10

0

1

2

3

A

V

DDQ

V

NC

1

V

DQ

0

SSQ

NC

2

NC

DDQ

V

NC

3

DQ

1

V

SSQ

NC

V

DDQ

NC

DD

V

DD

NC

WE

CAS

RAS

CS

NC

0

BA

0

1

BA

1

10

AP/A

10

0

A

0

1

A

1

2

A

2

3

A

3

DD

V

DD

16Mb x 16 32Mb x 8 64Mb x 4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

66Pin TSOP

(400mil x 875mil)

(0.65mm Pin Pitch)

Bank Address

BA0~BA1

Auto Precharge

A10

V

SS

V

SS

V

66

65

64

63

62

61

60

59

58

II

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

NC

V

NC

DQ

V

NC

V

NC

DQ

V

NC

V

DQS

NC

V

DM

CK

CKE

NC

A

V

SSQ

DDQ

SSQ

DDQ

SSQ

REF

SS

12

11

9

8

7

6

5

4

SS

DQ

V

SSQ

NC

DQ

3

V

DDQ

NC

DQ

V

SSQ

NC

DQ

2

V

DDQ

NC

V

SSQ

DQS

NC

V

REF

V

SS

DM

CK

CKE

NC

A

12

A

11

A

9

A

8

A

7

A

6

A

5

A

4

V

SS

7

DQ

15

V

SSQ

DQ

14

6

DQ

13

V

DDQ

DQ

12

5

DQ

11

V

SSQ

DQ

10

4

DQ

9

V

DDQ

DQ

8

NC

V

SSQ

UDQS

NC

REF

V

SS

UDM

CK

CKE

NC

A

12

A

11

A

9

A

8

A

7

A

6

A

5

A

4

V

SS

256Mb TSOP-II Package Pinout

6

7

Block Diagrams

IC

CE6353(INTEL)

IC Block Diagrams

TDA9886

TPA3124D2PWPR

PVCCL

MUTE

RIN

BYPASS

AGND AGND

PVCCR

VCLAMP

PVCCR

SD

LIN

PWP (TSSOP) PACKAGE

(TOP VIEW)

1 2 3

4 5 6 7 8 9

10 11 12

24 23 22

21 20 19 18 17 16

15 14 13

PGNDL PGNDL LOUT BSL AVCC AVCC GAIN0 GAIN1 BSR ROUT PGNDR PGNDR

8

9

On-screen Service Menu System

General

This set has an On-screen Menu system included in the CPU that allows remote operation for most of the service adjustments.

On-screen Service Menu System

Quick operation is needed to enter Service Mode.

r How to enter the Service Menu

1. Press and hold the MENU button on Side Controls.

2. Keep pressing the MENU button and press “1” button on the remote control, and the Service Mode will be

displayed.

Side Controls

OK

MENU button

Open or close the On-Screen Menu.

[ Service Mode Menu ]

Service Mode

ADC ADJUST

PICTURE MODE

W/B ADJUST

WHITE PATTERN : OFF

RFAGC ADJUST : 16

SSC ADHYST

BACKLIGHT ADJUST

UE5A_LG32_V1.75_090324

r How to select the service item and adjust data:

With the menu, press V, W, or options or adjust an option. Press OK button to confirm a selection or enter a sub-menu.

r To exit service mode

Press MENU button to exit service mode.

button to navigate through the





On-screen Service Menu System

1.ADC ADJUST CONDITION ITEM NAME INITIAL DATA IC Remark TOTAL ITEM

SOURCE: RGB R-GAIN <97> MSD109CL-H-LF MODEL:LCD-32K30TD G-GAIN <103> MSD109CL-H-LF

SOURCE: RGB R-GAIN <101> MSD109CL-H-LF MODEL:LCD-42K30TD G-GAIN <101> MSD109CL-H-LF

SOURCE: YPbPr(SD) R-GAIN <65> MSD109CL-H-LF MODEL:ALL G-GAIN <61> MSD109CL-H-LF

SOURCE: YPbPr(HD) R-GAIN <63> MSD109CL-H-LF MODEL:ALL G-GAIN <61> MSD109CL-H-LF

2. PICTURE MODE CONDITION ITEM NAME INITIAL DATA IC REMARK

MSD109CL-H-LF

SOURCE <RGB/YPbPr(SD)/YPbPr(HD)> MSD109CL-H-LF

R-GAIN <0 - 255> MSD109CL-H-LF decide by factory G-GAIN <0 - 255> MSD109CL-H-LF decide by factory B-GAIN <0 - 255> MSD109CL-H-LF decide by factory

R-OFFSET <0 - 255> MSD109CL-H-LF decide by factory G-OFFSET <0 - 255> MSD109CL-H-LF decide by factory B-OFFSET <0 - 255> MSD109CL-H-LF decide by factory

AUTO ADC <FAIL/SUCCESS> MSD109CL-H-LF

B-GAIN <101> MSD109CL-H-LF

R-OFFSET <137> MSD109CL-H-LF G-OFFSET <143> MSD109CL-H-LF B-OFFSET <145> MSD109CL-H-LF

B-GAIN <105> MSD109CL-H-LF

R-OFFSET <147> MSD109CL-H-LF G-OFFSET <141> MSD109CL-H-LF B-OFFSET <125> MSD109CL-H-LF

B-GAIN <66> MSD109CL-H-LF

R-OFFSET <128> MSD109CL-H-LF G-OFFSET <128> MSD109CL-H-LF B-OFFSET <128> MSD109CL-H-LF

B-GAIN <66> MSD109CL-H-LF

R-OFFSET <128> MSD109CL-H-LF G-OFFSET <128> MSD109CL-H-LF B-OFFSET <128> MSD109CL-H-LF

Input Source <DTV/ATV/AV1/AV2/PC/HDMI1/HDMI2/HDMI3>

Picture Mode <Personal / Standard / Vivid / Dynamic / Soft >

Brightness <0 - 100> MSD109CL-H-LF Contrast <0 - 100> MSD109CL-H-LF Colour <0 - 100> MSD109CL-H-LF Sharpness <0 - 100> MSD109CL-H-LF Tint <0 - 100> MSD109CL-H-LF Brightness Max <0 - 255> MSD109CL-H-LF Can not change Brightness Mid <0 - 255> MSD109CL-H-LF Can not change Brightness Min <0 - 255> MSD109CL-H-LF Can not change Contrast Max <0 - 255> MSD109CL-H-LF Can not change

10

11

On-screen Service Menu System

r Service Adjustment Data Table

Source Item Name Initial Data IC Remark

Contrast Mid <0 - 255> MSD109CL-H-LF Can not change Contrast Min <0 - 255> MSD109CL-H-LF Can not change Colour Max <0 - 255> MSD109CL-H-LF Can not change Colour Mid <0 - 255> MSD109CL-H-LF Can not change Colour Min <0 - 255> MSD109CL-H-LF Can not change Sharpness Max <0 - 63> MSD109CL-H-LF Can not change Sharpness Mid <0 - 63> MSD109CL-H-LF Can not change Sharpness Min <0 - 63> MSD109CL-H-LF Can not change Tint Max <0 - 100> MSD109CL-H-LF Can not change Tint Max <0 - 100> MSD109CL-H-LF Can not change Tint Max <0 - 100> MSD109CL-H-LF Can not change COPY ALL MSD109CL-H-LF Can not change

Input Source: ALL Brightness <55> MSD109CL-H-LF Picture Mode: Personal Contrast <100> MSD109CL-H-LF

Colour <60> MSD109CL-H-LF Sharpness <60> MSD109CL-H-LF Tint <50> MSD109CL-H-LF

Input Source: ALL Brightness <60> MSD109CL-H-LF Picture Mode: Standard Contrast <80> MSD109CL-H-LF

Colour <50> MSD109CL-H-LF Sharpness <50> MSD109CL-H-LF Tint <50> MSD109CL-H-LF

Input Source: ALL Brightness <58> MSD109CL-H-LF Picture Mode: Vivid Contrast <90> MSD109CL-H-LF

Colour <60> MSD109CL-H-LF Sharpness <50> MSD109CL-H-LF Tint <50> MSD109CL-H-LF

Input Source: ALL Brightness <55> MSD109CL-H-LF Picture Mode: Dynamic Contrast <100> MSD109CL-H-LF

Colour <60> MSD109CL-H-LF Sharpness <60> MSD109CL-H-LF Tint <50> MSD109CL-H-LF

Input Source: ALL Brightness <50> MSD109CL-H-LF Picture Mode: Soft Contrast <60> MSD109CL-H-LF

Colour <40> MSD109CL-H-LF Sharpness <40> MSD109CL-H-LF Tint <50> MSD109CL-H-LF

3. W/B ADJUST CONDITION ITEM NAME INITIAL DATA IC REMARK

BASE R-GAIN <0 - 155> MSD109CL-H-LF decide by factory BASE G-GAIN <0 - 155> MSD109CL-H-LF decide by factory BASE B-GAIN <0 - 155> MSD109CL-H-LF decide by factory SOURCE <DTV/ATV/AV1/AV2/PC/HDMI1/HDMI2/HDMI3>

MSD109CL-H-LF

SOURCE R-GAIN <0 - 50> MSD109CL-H-LF Can not change SOURCE G-GAIN <0 - 50> MSD109CL-H-LF Can not change SOURCE B-GAIN <0 - 50> MSD109CL-H-LF Can not change TEMPERATURE <Normal/Warm/Cold/Personal> MSD109CL-H-LF USER R-GAIN <0 - 50> MSD109CL-H-LF Can not change USER G-GAIN <0 - 50> MSD109CL-H-LF Can not change USER B-GAIN <0 - 50> MSD109CL-H-LF Can not change R-OFFSET <0 - 255> MSD109CL-H-LF G-OFFSET <0 - 255> MSD109CL-H-LF B-OFFSET <0 - 255> MSD109CL-H-LF COPY ALL MSD109CL-H-LF Can not change

On-screen Service Menu System

Source Item Name Initial Data IC Remark SOURCE: ALL BASE R-GAIN <78> MSD109CL-H-LF

TEMPERATURE: ALL BASE G-GAIN <78> MSD109CL-H-LF

SOURCE: ALL R-OFFSET <128> MSD109CL-H-LF TEMPERATURE: ALL G-OFFSET <128> MSD109CL-H-LF

4. WHITE PATTERN: <Black/OFF/Whilte/Red/Green/Blue>

WHITE PATTERN: OFF MSD109CL-H-LF

5. RFAGC ADJUST <0-31> decide by factory

RFAGC ADJUST 16 MSD109CL-H-LF

6. SCC ADJUST

CONDITION ITEM NAME INITIAL DATA IC REMARK

LVDS STEP <0 - 500> MSD109CL-H-LF Can not change

7.BACKLIGHT ADJUST

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BASE B-GAIN <78> MSD109CL-H-LF

B-OFFSET <128> MSD109CL-H-LF

SSC MIU <On/Off> MSD109CL-H-LF Can not change MIU SPAN <0 - 500> MSD109CL-H-LF Can not change MIU STEP <0 - 500> MSD109CL-H-LF Can not change

SSC LVDS <On/Off> MSD109CL-H-LF Can not change LVDS SPAN <0 - 500> MSD109CL-H-LF Can not change

TOTAL ITEM CONDITION ITEM NAME INITIAL DATA IC REMARK

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ECO MODE <On/Off> MSD109CL-H-LF

PICTURE MODE <Personal / Standard / Vivid / Dynamic / Soft >

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Service Adjustments

CAUTION !

Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance

and for correct operation.

r Setting the Initial data

This adjustment is controlled by the CPU (IC5500) through the IIC Bus Data Line in the chassis, and those

adjustment data are memorized the memory IC (IC5750). Therefore, Main board or the memory IC (IC5750)

is replaced, these data will be disappeared. Readjust should be made. Initial data is provided in the CPU

ROM, when the memory IC (IC5750) is replaced with new one. CPU ROM data is loaded into the memory.

Initial data is provided to operating the monitor basically. For operating the monitor quality performance,

further adjustment is required following chassis electrical adjustment.

1. Receive good quality signal.

2. Enter the Service Mode.

3. ADC ADJUST and W/B ADJUST should be readjusted. And Confirm other data value to be the same

as the Service Adjustment Data Table. If it is different, change to correct data

4. Exit the Service Mode.

Service Adjustments

r ADC ADJUST

1. Enter the Service Mode.

2. Select "ADC ADJUST" by pressing V or W button, then press OK button to enter ADC ADJUST menu.

ADC ADJUST

SOURCE : RGB

R-GAIN : 117

G-GAIN : 121

B-GAIN : 123

R-OFFSET : 131

G-OFFSET : 145

B-OFFSET : 123

AUTO ADC FAIL

3. PressV or W button to select "SOURCE" item, press

YPbPr(HD).

RGB

(1).

Receive signal from PC input. And set ANSI pattern contrast in PC mode.Receive signal from PC input. And set ANSI pattern contrast in PC mode.

(2). Enter the ADC ADJUST menu. PressEnter the ADC ADJUST menu. PressPressV or W button to select "SOURCE" item

(3). Press

(4). Press V or W button to select AUTO ADC item, then press OK button.

YPbPr (SD)

(1).5HFHLYH  &RORXU %DU IURP S DQG S VLQJDO LQ <3E3U LQSXW5HFHLYH&RORXU%DUIURPSDQGSVLQJDOLQ<3E3ULQSXW

(2). Enter the ADC ADJUST menu. PressEnter the ADC ADJUST menu. PressPressV or W button to select "SOURCE" item.

(3). Press

(4). Press V or W button to select AUTO ADC item, then press OK button.

YPbPr (HD)

(1).5HFHLYH  &RORXU %DU IURP S L DQG S VLQJDO LQ <3E3U LQSXW5HFHLYH&RORXU%DUIURPSLDQGSVLQJDOLQ<3E3ULQSXW

(2). Enter the ADC ADJUST menu. PressEnter the ADC ADJUST menu. PressPressV or W button to select "SOURCE" item.

(3). Press

(4). Press V or W button to select AUTO ADC item, then press OK button.

button to select RGB.

or



button to select YPbPr (SD).

or



button to select YPbPr (HD).

or



button to select RGB, YPbPr(SD) or

or



4. Exit the Service Mode.

Wait for about several seconds until AUTO ADC adjust completed. Then press MENU button to exit.

Note:

O

If you want to adjust any item, please consult qualified service personnel.

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