Sanyo LCD-32XH4 User manual

SERVICE MANUAL LCD Television
N5AV
FILE NO.
Model No. LCD-32XH4
(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-32XH4-00
Product Code:113011416
Original Version
Chassis Series: UH2-L
Contents
SafetyNotice ................................. 2
Specifications................................. 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . 4-5
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
On-screen Service Menu System . . . . . . . . . . . . . 12-17
ServiceAdjustments........................... 18
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . 19-24
CabinetPartsList............................. 25
Chassis Electrical Parts List. . . . . . . . . . . . . . . . . . 27-38
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . . 39-45
ECO
MAIN/SUB
CHANGE
BACK
PIP
BASS
SOUND
VIDEO MODE
POWER
RECALL
DISPLAY
MUTE
AUDIO MODE
SLEEP
IMAGE
ZOOM
SURROUND
CH
CH

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, 50/60Hz
Receiving System PAL-N/N, PAL-M/M, NTSC-M/M
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):32 inches
Picture Resolution: WXGA 1366 (Horiz.) x 768 (Vert.) pixels
Brightness: 500 cd/m2
Audio Output (RMS) 9 W + 9 W
Speaker Size 6 cm x12 cm x 2 pcs
Input and Output Terminals
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 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
HDMI Input HDMI Terminal 19 pin x1
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 818 X 624 X 270 mm (including stand)
Weight <14.3kg (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%
Specifications subject to change without notice.

-4-
Chassis Block Diagram
2
MAIN SIGNAL PROCESSING CIRCUIT

-5-
Chassis Block Diagram
POWER SUPPLY IC (STRW6753)

-6-
IC Block Diagrams (On the ASSY, PWB, MAIN)
IC402 QTC4052BF---P
IC003 < Sync. Separation> LA7217

-7-
IC Block Diagrams (On the ASSY, PWB, MAIN)
IC301 LV1116

IC Block Diagrams (On the ASSY, PWB, MAIN)
-8-
IC403 QYDA138-----M
IC7200 QFLI8531-BE-M

IC Block Diagrams (On the ASSY, PWB, MAIN)
-9-
IC7300 QXXAVC914---M
IC7500 QANX9011L---M

IC Block Diagrams (On the ASSY, PWB, POWER)
-10-
IC602 L6563
IC601 VIPER53