Sanyo LCD-42K40TD Manuale utente

SERVICE MANUAL LCD Television

FILE NO.

Original Version

Chassis Series: UE5-B

N7DE

Model No. LCD-42K40TD

Give complete “SERVICE REF. NO.” for

parts order or servicing. It is shown on the

rating plate 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 dif-

fer from the design specifications. Refer to

the specification table.

Product Code: 1-130-184-04

Contents

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

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chassis Block Diagrams . . . . . . . . . . . . . . . . . . 4-5

IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . 6-8

On-screen Service Menu system . . . . . . . . . . . . 9-10

Service Adjustments . . . . . . . . . . . . . . . . . . . . . 11-13

Mechanical Disassembly . . . . . . . . . . . . . . . . . . 14-15

Chassis Electrical Parts List . . . . . . . . . . . . . . . 16-31

Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . 32

PCB Assemble . . . . . . . . . . . . . . . . . . . . . . . . . . 33-34

Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . 35-37

Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . 38-43

REFERENCE NO. SM3010465

Service Ref. No. LCD-42K40TD-00

COVER-SM-LCD-42K40TD 10/29/10 3:17 PM Page 1

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 in the parts list and the schematic diagram designate components in



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 .



Model LCD-42K40TD

Maximum Visible Range

106cm

Picture Resolution 1920(H) x 1080(V)

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

Brightness 500cd/m²



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

- UHF: 27-69,

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



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

Sound speciality Maximum Output Power is 10W+10W



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 ()

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

DVD input: Component video input Y, CB/PB, CR/PRinput x 1

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

Output terminals Video Monitor Output: 

Audio Monitor Output: R/L x 2 (

S/P DIF (Coaxial) Output x 1

Headphone Jack : Mini stereo jack x1

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）



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



Chassis Block Diagrams

for HDCP

5V VA

5V STB

SPI FLASH

(option for air

update)

TUNER

TDTC-G501D

DVB-T

DEMODULATOR

CE6353

IF-PLL

TDA9886

VGA

HDMI_2

HDMI_3

1/3

SWITCH

PS321

HDMI

PORTS

CVBS0P

SIF

DDR

UART

DDR SDRAM

256Mb x2

UART

I/F

SPI

DUAL

LVDS

LG PANEL

LC420WUN-SCB1

MUX

LINE

AUDIO

OUT

OP AMP

4558R

POWER

AMPLIFIER

TDA3124D2

KEY BOARD

USB

HEADER

EEPROM

24C32

DDCR

R/G/B 1

Y/Pb/Pr R/G/B 0

24C02CT

AV1

HDMI_1

AV OUT

H.PHONE

EEPROM

24C512

SPDIF SPDIFO

CVBS1P

CVBSO

LINE OUT1

10W

HEAD PHONE

OUTPUT

CVBS/L/R

HP-L

R/G/B

JACK LINE IN2

L/R LINE IN1

L/R

Y/Pb/Pr

L/R LINE IN3

L/R

CVBS

MSD1

09CL- H

DVB LCD/PDP DTV

PROCESSOR

MCU

VIDEO DEC

MPEG2 MP@HL DEC

MPEGI&II,AC3 DEC

NICAM/A2

SCALER

HDMI

LVDS

Q24C02CT/ SN-P

QNJM4558M---P

SPI FLASH

32Mb

QRCLAMP0524PP

1LB4J

11B0580M

IF-

IF+

IIC1

IF_AGC

IF_TV

TV-VID

SIF P/M

I2C

RF-AGC

RST

20.48M

12MHz

I2C

UAR

FOR SOFT DEBUG

RESET

QPS321TQFP80M

USB

ESD

4MH

IIC1

IIC2

IIC3

HPD3

HPD1

HPD2

DDCDA

I2C-DDC

HOTPLUG

MUTE1

AU AMP

TPA6110

MUTE2 QTPA6110A2--P

KEY

IIC2

SPDIF

HP-R

HP-L

RS232_I UART1

RXD/TXD

QTDA9886TSV4P

S_VIDEO

MAX232

YCVBS4P

CVBS6P

UAR

for external

date

BUFFER

CPU Block Diagrams

MSD109CL-H

K4H560438H

K4H560838H

K4H561638H

256Mb TSOP-II Package Pinout

66Pin TSOP

(400mil x 875mil)

DDQ

SSQ

DDQ

SSQ

RAS

CAS

DDQ

AP/A

SSQ

DDQ

SSQ

DDQ

CKE

REF

SSQ

(0.65mm Pin Pitch)

DQS

SSQ

DDQ

SSQ

DDQ

CKE

REF

SSQ

DQS

DDQ

SSQ

DDQ

SSQ

RAS

CAS

DDQ

AP/A

Bank Address

BA0~BA1

Auto Precharge

A10

64Mb x 4

32Mb x 8

DDQ

SSQ

DDQ

SSQ

RAS

CAS

LDM

DDQ

AP/A

LDQS

SSQ

DDQ

SSQ

DDQ

CKE

UDM

REF

SSQ

UDQS

16Mb x 16

IC Block Diagrams

K4H561638H

IC Block Diagrams

CE6353(INTEL)

IC Block Diagrams

TPA3124D2PWPR

TDA9886

PVCCL

MUTE

LIN

RIN

BYPASS

AGND

PVCCR

VCLAMP

PVCCR

PGNDL

LOUT

BSL

AVCC

GAIN0

GAIN1

BSR

ROUT

PGNDR

TPA3124D2

PWP (TSSOP) PACKAGE

(TOP VIEW)

Product Folder Link(s): TPA3124D2

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.

rHow to select the service item and adjust data:

On-screen Service Menu System

Quick operation is needed to enter Service Mode.

rHow 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.

       or button to navigate through the

options or adjust an option. Press OK button to confirm a selection or

enter a sub-menu.

rTo exit service mode

Press MENU button to exit service mode. 　

Open or close the On-Screen Menu.

MENU button

Side Controls

[ Service Mode Menu ]

Service Mode

ADC ADJUST

PICTURE MODE

W/B ADJUST

WHITE PATTERN : OFF

RFAGC ADJUST : 16

SSC ADHYST

BACKLIGHT ADJUST

UE5B_V2.26_LG42_100301

ADC ADJUST

■ Service Adjustment Data Table

On-screen Service Menu System

ADC ADJUST SOURCE RGB

R-GAIN 97

G-GAIN 103

B-GAIN 101

R-OFFSET 133

G-OFFSET 123

B-OFFSET 131

AUTO ADC <FAIL/SUCCESS>

SOURCE YPbPr(SD)

R-GAIN 65

G-GAIN 61

B-GAIN 66

R-OFFSET 128

G-OFFSET 128

B-OFFSET 128

AUTO ADC <FAIL/SUCCESS>

SOURCE YPbPr(HD)

R-GAIN 63

G-GAIN 61

B-GAIN 66

R-OFFSET 128

G-OFFSET 128

B-OFFSET 128

AUTO ADC <FAIL/SUCCESS>

W/B ADJUST BASE R-GAIN 64

SOURCE ALL BASE G-GAIN 64

TEMPERTURE ALL BASE B-GAIN 64

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