Sanyo LCD-42K30TD User manual

Model No. LCD-42K30TD
Service Ref.No. LCD-42K30TD-00
SERVICE MANUAL LCD Television
Product Code: 1-130-184-11
Original Version
Chassis Series:UE5-A
N7DM REFERENCE NO. SM3010414
Contents
FILE NO.
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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Safety Notice...............................................2
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Chassis Block Diagrams.............................4
CPU Block Diagrams ....................
............. 5
IC Block Diagrams ....................
.............. 6-8
On-screen Service Menu System..........9-12
Service Adjustments............................13-15
Mechanical Disassembly......
............... 16-17
Chassis Electrical Parts List.................18-33
PCB Assemble.....................................34-35
Printed Wiring Board............................36-39
Schematic Diagram..............................40-45

2
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
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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 .

3
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Model LCD-42K30TD
Maximum Visible Range
106cm
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
- 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, CB/PB, CR/PRinput x 1
Audio input: (R/L) x 4 (400mVrms)
Output terminals Video Monitor Output: [9SS
Audio Monitor Output: R/L x 2 (P9UPV.
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）
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Storage Temperature -10ºC~50ºC（14ºF~122ºF）
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4
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
TS
DDR
UART
DDR SDRAM 256Mbx2
UART I/F
SPI
DUAL LVDS
LG PANEL 32”-LC320WXN-SBA1 42”-LC420WUN-SBA1
MUX LINE
AUDIO
OUT
OP AMP 4558R
POWER AMPLIFIER TDA3124D2
IR KEY BOARD
IR
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
10W
HEAD PHONE OUTPUT
CVBS/L/R
HP-L
R/G/B
JACK LINE IN2
L
/
R
L/R LINE IN1
L/R
Y/Pb/Pr
L/R LINE IN3
L/R
CVBS
MSD109CL- 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
TS
IF-
IF+
IIC1
IF_AGC
IF_TV
TV-VID
SIF P/M
I2C
RF-AGC
RST
20.48M
12MHz
I2C
UAR
FOR SOFT DEBUG
L
R
RESET
QPS321TQFP80M
USB
ESD
ESD
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
HP
-
R
RS232_I UART1
RXD/TXD
QTDA9886TSV4P
S_VIDEO
MAX232
C YCVBS4P
CVBS6P
UAR
for external u
p
date
BUFFER

5
CPU Block Diagrams
MSD109CL-H