Sanyo LCD-32CA9 User manual

SERVICE MANUAL LCD Television
FILE NO.
Original Version
Chassis Series: UH3-B
N5DV/N5EV/N5FV
Model No. LCD-32CA9
LCD-37CA9
LCD-42CA9
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: 32CA9: 1-130-114-16
37CA9: 1-130-115-16
42CA9: 1-130-116-16
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . 4
CPU Block Diagrams . . . . . . . . . . . . . . . . . . . . . 5
On-screen Service Menu system . . . . . . . . . . . . 6
Service Adjustments . . . . . . . . . . . . . . . . . . . . . 7
Mechanical Disassembly . . . . . . . . . . . . . . . . . . 8-13
Chassis Electrical Parts List . . . . . . . . . . . . . . . 14-55
PCB Assemble . . . . . . . . . . . . . . . . . . . . . . . . . . 56-57
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . 58-63
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . 64-66
REFERENCE NO. SM3010340
Service Ref. No. LCD-32CA9-00
LCD-37CA9-00
LCD-42CA9-00
(Whole Asia)

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-32S10/LCD-42S10/LCD-42S10-HD
Maximum Visible Range LCD-32S10: 80cm ; LCD-42S10/-HD: 107cm (Screen Diagonal Size)
Picture Resolution 1366(H) x 768(V)
Viewable Angle(L。
/3) L/R:+/- 89D, U/D:+/- 89D
Brightness 500cd/m²
Contrast LCD-32S10/LCD-42S10: 1200:1 LCD-42S10-HD: 1500:1
Definition 5)$QDORJ6LJQDOV+RUL]RQWDO9HUWLFDO
Degree of Colour Coverage 
Mobile Trailer Time LCD-32S10/LCD-42S10: 8ms LCD-42S10-HD: 6.5ms
Voltage AC110-242V 50/60Hz
Power Consumption LCD-32S10: 144W ; LCD-42S10: 187W ; LCD-42S10-HD: 250W
Power Management VESA DPMS
Colour System PAL/NTSC/NTSC4.43/SECAM
Sound System D/K, I, M, B/G
Channel Coverage - VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
- UHF: 21-69, A14-A69, J13-J62
- CATV: S1-S41, X, Y, Z, Z+1, Z+2
Aerial input impedance 
Speaker Size Mains: 4.5cm x 13cm x 2pcs Woofer: 8cm x 8cm x 1pcs
Sound speciality Maximum Output Power is 10W+10W+10W
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Input terminals VGA Terminal : RGB X 1 HDMI terminal: x2
Audio: Mini stereo jack x 1 (Audio input of VGA)
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)
USB input (Just for LCD-42S10-HD): Different value input D+, D-

MINI USB input (Just for LCD-42S10-HD): Different value input D+, D-
Output terminals Video Monitor Output: [9SS
Audio Monitor Output: R/L x 1󰵪P9UPV.
Headphone Jack : Mini stereo jack x1
Dimensions
(Width x Height x Depth) LCD-32S10: 790mm x 579mm x270mm (Including Stand)
LCD-42S10/-HD: 1012mm x 699mm x270mm (Including Stand)
Net Weight
(Including Stand) LCD-32S10: < 14.1 KG ; LCD-42S10/-HD: < 24.6 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

5
MST6E89DL
CPU Block Diagrams

6
On-screen Service Menu System
1) How to enter the Service Menu
1. Press MENU button on SIDE controls, MENU will display.
2. Press and hold MENU button on SIDE controls and press “1” button on remote controls. SERVICE
MENU will display.
G
enera
l
This set has an
O
n-screen Menu system included in the
C
PU that allows remote operation
f
or most o
f
the
service adjustments.
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1
"
bu
tt
on
Re
m
o
t
e
co
ntr
ols
Me
n
u
bu
tt
on
S
IDE
C
ontrol
s
2) How to select the service section and service item and change data value:
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3) Exit from the service menu
Press the MENU button repeatedly or turn off the TV set by pressing the POWER ON/OFF button.

7
How to adjust White Balance Adjustment
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2. Set the television to following conditions:
Picture mode: standard
Colour temperature: normal
Pre-heading time: more than 10 minutes
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Service Adjustments
Important Notice:
Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance
and for correct operation.
White Balance Adjustment

 

 
Red "+" Green "+" Blue "+"
Red "-" Green "-" Blue "-"

8
Mechanical Disassembly (LCD-42S10-HD)
(ϔ) Cabinet Back Removal
1. Remove screws A󰵮B.
2. Take the Cabinet Back off.
(A:16pcs󰵮B:4pcs)
A
A
A
A
A
A
AAAA
AA
AA
A
A
B
POWER BOARD
LCD SCREEN
KEY&LED
BOARDS
MAIN
BOARD
USB
BOARD

9
Mechanical Disassembly(LCD-42S10-HD)
（二）Chassis and Terminal Board Removal
1. Remove screws C󰵮D and G, take the terminal board off.
2. Remove Screw E󰵮F take Power Board󰵮Main Board󰵮Usb Board and WOOFER off.
󰵪C: 2pcs󰵮D: 2pcs󰵮E󰵼15pcs󰵮F: 4pcs󰵮G: 2pcs)
G
D
C
(
(
(
)
)

10
Mechanical Disassembly (LCD-42S10)
(ϔ) Cabinet Back Removal
1. Remove screws A󰵮B.
2. Take the Cabinet Back off.
(A:16pcs󰵮B:4pcs)
A
A
A
A
A
A
AAAA
AA
AA
A
A
B
POWER BOARD
LCD SCREEN
KEY&LED
BOARDS
MAIN
BOARD