Sanyo LCD-32XF7 User manual

SERVICE MANUAL LCD Television
N7TV
FILE NO.
Model No. LCD-32XF7
(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-32XF7-00
Product Code:113022416
Original Version
Chassis Series: UE6-L
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . 4
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
On-screen Service Menu System . . . . . . . . . . . . . . . . 14
Service Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . . . 21
Cabinet Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Chassis Electrical Parts List. . . . . . . . . . . . . . . . . . . . . 27
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . . . . . 45

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, NTSC3.58
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 
LCD panel
Screen Size (Measured Diagonally): 32 inches
Picture Resolution: WXGA 1920 (Horiz..) x 1080 (Vert.) pixels
Brightness: 500 cd/m2
Audio Output (RMS) 10 W + 10 W
Speaker Size Mains: 6 cm x 12 cm x 2 pcs
Input and Output Terminals
AV1 Input Video Input: Composite video Input (RCA Jack) x1
Audio Input: L/R Stereo Input (RCA Jack) x 1 set
AV2 Input Video Input: Composite video Input (RCA Jack) x1
Audio Input: L/R Stereo Input (RCA Jack) x 1 set
S-Video Input: DIN 4-pin Jack x1
AV3 Input Video Input:Component Y (combined with composite video input), CB, CRInput (RCA Jack) x1 set
Audio:L/R Stereo Input (RCA Jack) x 1 set
HDMI Input HDMI Terminal 19 pin x4
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) 804.5 x 536 x 259.5 mm (including stand)
Weight (NET) 11.5 KG (including stand)
Environmental Considerations
Operating Temperature Û&aÛ&Û)aÛ)
Operating Humidity a
Storage Temperature Û&aÛ&Û)aÛ)
Storage Humidity a
Accessories Owner’s Manual
Remote Control
Place of Production Argentina

-4-
Chassis Block Diagram
MAIN SIGNAL PROCESSING CIRCUIT
MST6M16
Tuner
4ϾI/0
L
Monitor Out
-AUDIO

-5-
Chassis Block Diagram
POWER SUPPLY IC

-6-
IC Block Diagrams (On the ASSY, PWB, MAIN)
IC601 QL6599DTR

-7-
IC Block Diagrams
IC602 QL6562ADTR

IC Block Diagrams (On the ASSY, PWB, MAIN)
-8-
IC603 QFAN7602M

-9-
IC Block Diagrams
IC702 QRT9711CGB
PO W2
HPD2
SD A 2
SC L2
B21 A21
B22
A22
GND
B23
A23
VCC
B24
A24
PO W1
HPD1
HPD_SINK
SD A _SIN K SC L_SIN K
Z1
Y1
Z2
Y2 Z3
Y3
Z4 Y4
I2C _A DD
R
SC L_C TL SD A _C TL
12 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
50
49
48 47 46 45 44 43 42 41
60
59
58
57
56
55
54
53
52
51
21
22
23
24
25
26
27
28
29
30
31
32
3334353637383940
64
63
62
61
PS331
PO W_SIN K
HPD3
SD A 3
SC L3
B31
A31
PO W3
B32
A32
GND
B33
A33
VCC
B34
A34
CEXT
PO WDN
REXT
A14
B14
NC
A13
B13
GND
A12
B12
VCC
A11
B11
SC L1
SD A 1
I2C _RST
VCC GND
O
O
O
O
O
PO W2
B2
A21
22
67
n
n
9
25
26
O
O
O
O
7
14
NC
A13
B13
IC750 QPS331TQFP64M

-10-
IC1501 TC4052
IC Block Diagrams
45
GND P3
3LCS2P 6
2SDAP1 7
1
P0 VCC
8
DGK PACKAGE
(TOP VIEW)
GND P3
5
4
SCLP2 36
P1 2SDA
7
VCC
8
1
P0
B2B1
C2C1
D2D1
A2A1
YZP PACKAGE
(BOTTOM VIEW)
45
GND P3
3LCS2P 6
2SDAP1 7
1
P0 VCC
8
D PACKAGE
(TOP VIEW)
IC1801 QPCA9536DGKRP