Sanyo LCD-42XF6 User manual

SERVICE MANUAL LCD Television
N7DY
FILE NO.
Model No. LCD-42XF6
(Argentina)
Give complete “SERVICE REF. NO.” for parts order
or servicing. It is shown on the rating label at the
cabinet back of the unit.
This T.V. receiver will not work properly in for-
eign countries where the television transmis-
sion system and power source differ from the
design specifications. Refer to the specification
table.
Service Ref. No. LCD-42XF6-00
Product Code:113018418
Original Version
Chassis Series: UH4-L
Contents
SafetyNotice ................................. 2
Specifications................................. 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . 4-5
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
On-screen Service Menu System . . . . . . . . . . . . . 12-20
ServiceAdjustments........................... 21
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . 22-27
CabinetPartsList............................. 28
Chassis Electrical Parts List. . . . . . . . . . . . . . . . . . 30-44
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . . . 45-48

Safety Notice
-2-
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 television 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 which
safety can be of special significance. 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 .

Specifications
-3-
Power Source AC 100 - 240 Volts, 50/60 Hz
Receiving System PAL-N, PAL-M, NTSC
Channel Coverage ANTENNA mode
VHF: CH02 - CH13
UHF: CH14 - CH69
CATV mode
VHF band: CH01-CH13
MID band: CH14-CH22
SUPER band: CH23-CH36
HYPER band: CH37-CH64
ULTRA band: CH65-CH94 and CH100-CH125
Low MID band: CH95-CH99
Aerial Input Impedance 75 Ω
LCD panel
Screen Size (Measured Diagonally): 42 inches
Picture Resolution: WUXGA 1920 (Horiz..) x 1080 (Vert.) pixels
Brightness: 500 cd/m2
Audio Output (RMS) 10 W + 10 W
Speaker Size 6 cm x12 cm x 2 pcs
Input and Output Terminals
HDMI Input HDMI Terminal 19 pin x 3
AV1 Input Video Input: Composite video Input (RCA Jack) x1
S-Video Input: DIN 4-pin Jack x1
Audio Input: L/R Stereo Input (RCA Jack) x 1 set
AV2/ DVD Input Video Input: Component Y (combined with composite video input), CB, CR Input (RCA Jack) x1 set
Audio: L/R Stereo Input (RCA Jack) x 1 set
PC Input Video Input: D-SUB 15 pin x1
Audio Input: Mini stereo jack x 1
Output Terminals Video Monitor Output: RCA jack x 1
Audio Monitor Output: L/R Stereo Output (RCA jack) x 1 set
Headphone Jack : Mini stereo jack x1
Dimensions (W x H x D) 1010mm X 676mm X 272mm (Including Stand)
Weight (NET) 18.15kg (including stand)
Environmental Considerations
Operating Temperature 0˚C ~ 40˚C (32˚F ~ 104˚F)
Operating Humidity 20 ~ 80%
Storage Temperature -10˚C ~ 50˚C (14˚F ~ 122˚F)
Storage Humidity 20 ~ 80 %
Accessories Owner’s Manual
Remote Control
Place of Production Argentina

-4-
Chassis Block Diagram
MAIN SIGNAL PROCESSING CIRCUIT

-5-
Chassis Block Diagram
POWER SUPPLY IC
MAIN BOARD
tuorotinoMVLENAP-NO1
tuorotinoML/RNO-RWP2
3 12V
4 GND
5
6
7 GND
8Q7502 IC7201 CS4344-CZZP
9TPC8109P
10
11
12
13
1S.Amplifier
2IC5503 IC5500/IC550
1
DDR SDRAM
)H62623ILF (/0027CIPED20-2023MCQ3
4
IC7200 FLI32626H/(FLI32652H)
IC7200 FLI32626H/(FLI32652H)
IC8001 BR24L64FWP
K101 IC003 TPA6110A2P HEADPHONE
15VA A102 TUNER
2 GND IC3301 AMS1117-1.8P
IC3302 AMS1117-3.3P
IC3302
AMS1117-3.3P
IC3300 STV8318
IC3301
AMS1117-1.8P
K660 K661
1 1
2 2
3 3
4 4
5 5
6 6 Note: You can choose any one between K660 and K661.
7 7
8 8
9 9
10 10
IC7505
AMS1117-3.3P
IC7507
AMS1117-1.2P
IC7501
AMS1117-3.3P
IC7504
LM1117S-1.2P
IC7506
AMS1085CM
GND
K1503
12VP
5VSTB
IC7503
LM1085R-3.3P
24VP
GND
K001
24VA
3.3V_DD
3.3V_LVDS
1.8V
_
DD
3.3VA
1.8VA
Panel's backlight
rated voltage
3.3V_AUO
GND
H25623ILF
IC7200 FLI32626H/(FLI32652H)
IC7200 FLI32626H/(FLI32652H)
IC7200 FLI32626H/(FLI32652H)
IC7200 FLI32626H/(FLI32652H)

-6-
IC Block Diagrams (On the ASSY, PWB, MAIN)
IC001 QTPA3123D2--P

-7-
IC Block Diagrams (On the ASSY, PWB, MAIN)
IC3300 QSTV8318F---M

IC Block Diagrams (On the ASSY, PWB, MAIN)
-8-
IC750 QTMDS351PAGRP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TMDS351
64-pin TQFP
SDA3
SCL3
GND
B31
A31
Vcc
B32
A32
GND
B33
A33
Vcc
B34
A34
GND
VSADJ
17
18
19 20 21 22 23
24
25 26 27 28 29 30 31 32
Y4
Z4
Vcc
Y3
Z3
GND
Y2
Z2
Vcc
Y1
Z1
GND
SCL_SINK
SDA_SINK
HPD_SINK
S1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
A14
B14
Vcc
A13
B13
GND
A12
B12
Vcc
A11
B11
SCL1
SDA1
HPD1
EQ
S2
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
49
HPD3
A24 B24
Vcc
A23
B23
GND
A22
B22
Vcc
A21
B21
SCL2
SDA2
HPD2
VDD

-9-
IC Block Diagrams
IC7201 QCS4344-CZZ-P
IC5001 QXXAVD069---P

-10-
IC7200 QXXAVD067---M
IC Block Diagrams