Sanyo 32CA8Z, 42CA8Z Schematic
FILE NO.
SERVICE MANUAL LCD Television
Model No. LCD-32CA8Z
LCD-37CA8Z
LCD-42CA8Z
(Indonesia,Malaysia,Vietnam,Thailand)
Service Ref.No.LCD-32CA8Z-00
LCD-37CA8Z-00
LCD-42CA8Z-00
3&
79$9 :,'(
-/--
PIP POP
ENTER BACK
OK
BASS
STILL
MENU
TXT/TV
DVD
TIMER
CHANGE
MAIN/SUB
PICTURE
PREV
NEXT
S.SYS SURROUND
SOUND
Contents
Safety Notice................................................2
Specifi cations...............................................3
Chassis Block Diagrams..............................4
CPU Block Diagrams ..................................5
On-screen Service Menu System................6
Service Adjustments.................................7-8
Mechanical Disassembly........................8-14
Chassis Electrical Parts List.................15-35
Printed Wiring Board.............................36-40
Product Code: 32CA8Z:1-130-109-16
37CA8Z:1-130-110-16
42CA8Z:1-130-111-16
Original Version
Chassis Series:UH2-B
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
differ from the design specifi cations. Refer
to the specifi cation table.
REFERENCE NO. SM3010271N5JV/N5KV/N5LV
Safety Notice
i
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
which
safety can be of special signifi cance. It is particularly recommended that only parts designated on the parts
list
In this manual be used for component replacement designated by mark
resistance
Wattage or voltage ratings may be made for replacement items designated by mark
in the parts list and the schematic diagram designate components in
. No deviations from
.
2
Specifi cations
Maximum Visible Range 32CA8Z：80cm ； 37CA8Z：94cm ； 42CA8Z：107cm （Screen Diagonal Size
Picture Resolution: WXGA 1366(H) x 768(V)
Viewable Angle(Lە /3) L/R ± 89D, U/D ± 89D
Brightness ≥500cd/m²
Contrast LCD-32/37CA8Z: 1200:1 ; LCD-42CA8Z : 1500:1
Definition RF Analog Signals: Horizontal≥350; Vertical≥400
Degree of Color Coverage ≥32%
Mobile Trailer Time ≤20ms
Voltage and Power Consumption
AC100-242V 50/60Hz
32CA8Z:140W; 37CA8Z:158W; 42CA8Z:241W
Power Management VESA DPMS
Colour System PAL/NTSC/NTSC4.43/SECAM
Sound System D/K，I，M，B/G
Channel Coverage VHF
UHF：E2 ~ E12, R1 ~ R12, K1 ~ K9, J1 ~ J12, A2 ~ A13
CATV：S1 ~ S14, X, Y, Z, Z+1, Z+2
Aerial input impedance 75Ω
Speaker Size 6cm x 12cm x 2pcs
Sound speciality Left and Right audio input : Maximum Input Power is 9W
Total Harmonic Distortion(THD)≤10%
Input terminals PC terminal：RGB X 1
HDMI terminal：x1
Video
S-VIDEO input: DIN 4-pin Jack x1
DVD input: Component Y, CB/PB, CR/PR input x 1
Audio input: （R/L）x 4
21 ~ 69, A14 ~ A69, J13 ~ J62
：
：
Audio
Mini stereo jack x 1 (Audio input of PC)
：
Composite video terminals
AV2 Video input is combined with component Y input.
*
x2（1Vp-p，75Ω
）
）
Output terminals
Audio Monitor Output: L/R Stereo Output (RCA jack) x 1 set
Headphone Jack : Mini stereo jack x1
Dimensions（Width x Height x Depth
LCD-32CA8Z: 819mm X 624mm X 271mm
LCD-37CA8Z: 935mm X 695mm X 271mm
LCD-42CA8Z: 1049mm X 758mm X 271mm
Net Weight（Including Stand
LCD-32CA8Z: <14.5KG LCD-37CA8Z: <19.6KG LCD-42CA8Z: <25.4KG
Operating Entironment
Operating Temperature 0ºC~40ºC（32ºF~104ºF
Operating Humidity 20~80%
Storage Temperature -10ºC~50ºC（14ºF~122ºF
Storage Humidity 20~80%
Video Monitor Output: RCA jack x 1
）
）
Including Stand
（
Including Stand
（
Including Stand
（
）
）
）
）
）
3
Chassis Block Diagrams
4
CPU
Block Diagrams
IC7200 QFLI8531-AB-M (FLI8531-ABM)
5
On-screen Service Menu System
General
This set has an On-screen Menu system included in the CPU that allows remote operation for most of the
service adjustments.
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 MUNE button on SIDE controls and press “1” button on remote controls. SERVICE
MENU will display.
Remote controls
TIMER
DVD
"1"button
SIDE controls
MUNE button
2) How to select the service section and service item and change data value:
To select service section: Press the Cursor ▲or ▼ button on the remote control hand set, and press the OK
button to enter the SUB menu.
To change data value: Select service item by pressing the Cursor ▲or ▼ button , and change data value by
pressing the Cursor ◄or ► button.
3) Exit from the service menu
Press the MENU button repeatedly or turn off the TV set by pressing the POWER ON/OFF button.
6
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
How to adjust White Balance Adjustment
1. Input a white pattern(80%) to the composite input terminal.
2. Set the television to following conditions:
Picture mode: standard
Colour temperature: normal
Pre-heading time: more than 10 minutes
3. Enter the service mode, and select item 291with ▲ or ▼ key.
Select RGB with ▲ or ▼ key.
Press ◄► to adjust the value of RGB until the white balance R, G,B is all 85h.
3. After adjustment, confi rm white balance again by normal picture.
ADC Adjustment
Note:
Because White Balance Adjustment will be changed when adjusting ADC. After adjusting ADC, please reset
White Balance Adjustment.
How to adjust ADC
1.Recive 100% COLOUR BAR from AV1.
2. Enter to SERVICE MODE.
3. Remove the cursor from [Source] to [Properties]. And then select "ADC Calibration", press OK button.
4. Wait for about 15 seconds until the adjustment is fi nished. Then press MENU button to exit.
7
Service Adjustments
VCO Adjustment
How to adjust VCO
1. Receive PAL color bar pattern.(ANT input level:58dbuv 75ohms terminated)
2. Connect a digital volt meter to VCO level terminal(TP-VCO) and the ground.
3. Adjust T202, until the volt is 3.6±0.2v DC.
AGC Adjustment
How to adjust AGC
1. Receive PAL color bar pattern.(ANT input level:58dbuv 75ohms terminated)
2. Connect a digital volt meter to tuner-AGC terminal(TP-A) and the ground.
3. Adjust the variable resistance VR202, until the volt is 3.2±0.2v DC.
Mechanical Disassembly(LCD-42CA8Z)
(一)Cabinet Back Removal
1.Remove screws A，B.
2.Take the Cabinet Back off.
(A:16pcs,B:4pcs)
AA
A
A
A
A
B
A
A
A
A
A
8
A A
A
A
A
图1
Mechanical Disassembly(LCD-42CA8Z)
LCD SCREEM
KEY&LED
BOARDS
Power board
main
board
SUB
board
（二）Chassis and Terminal Board Removal
1. Remove screws C , D and F, take the terminal board off.
2. Remove Screw E，take P Board off.
C: 1pcs, D: 2pcs, E：15pcs, F:2pcs)
（
F
D
C
9
Mechanical Disassembly(LCD-42CA8Z)
E
E
E
Mechanical Disassembly(LCD-37CA8Z)
(一)Cabinet Back Removal
1.Remove screws A，B.
2.Take the Cabinet Back off.
(A:12pcs,B:6pcs)
A
A
A
A
10
A
A
A
A
A
B
A
A
A
Mechanical Disassembly(LCD-37CA8Z)
LCD SCREEM
KEY & LED
BOARDS
main
board
SUB
board
Power board
（二）Chassis and Terminal Board Removal
1. Remove screws C , D and F, take the terminal board off.
2. Remove Screw E，take P Board off.
C: 1pcs, D: 2pcs, E：15pcs, F:2pcs)
（
F
D
C
11
Mechanical Disassembly(LCD-37CA8Z)
E
E
E
Mechanical Disassembly(LCD-32CA8Z)
(一)Cabinet Back Removal
1. Remove screws A，B.
2.Take the Cabinet Back off.
(A:9pcs,B:4pcs)
A
A
A
B
A
A
A
12
A
A
A
Mechanical Disassembly(LCD-32CA8Z)
LCD Screen
Main board
Button&
Boards
LED
Power board
（二）Chassis and Terminal Board Removal
1. Remove screws C , D and F, take the terminal board off.
2. Remove Screw E，take P Board off.
C: 1pcs, D: 2pcs, E：15pcs, F:2pcs)
（
SUB board
F
D
C
13
Mechanical Disassembly(LCD-32CA8Z)
E
E
E
E
14
!
!
Chassis Electrical Parts List
!
Product safety should be considered when a component replacement is made in any area of a receiver.
Components indicated by a mark in this parts list and the circuit diagram show components whose value have
special significance to product safety. It is particularly recommended that only parts specified on the following parts
list be used for components replacement pointed out by the mark.
Note: Parts order must contain Service Ref. No., Part No., and descriptions. The main PCB unit will be supplied without tuner and
flyback transformer. They should be ordered separately.
Ref. No. Part No. Description Ref. No. Part No. Description
N5JV
NOTES:
Read description in the Capacitor and Resistor as follows:
CAPACITOR
CERAMIC 100P K 50V
Rated Voltage
Tolerance Symbols:
Less than 10pF
A : Not specified B : ±0.1pF C : ±0.25pF
D : ±0.5pF F : ±1PF G : ±2pF
R : ±0.25-0pF S : ±0-0.25pF E : +0-1pF
More than 10pF
A : Not specified B : ±0.1% C : ±0.25%
D : ±0.5% F : ±1% G : ±2%
H : ±3% J : ±5% K : ±10%
L : ±15% M : ±20% N : ±30%
P : +100-0% Q : +30-10% T : +50-10%
U : +75-10% V : +20-10% W : +100-10%
X : +40-20% Y : +150-10% Z : +80-20%
Rated value: P=pico farad, U=micro farad
Material:
CERAMIC........... Ceramic
MT-PAPER......... Metallized Paper
POLYESTER...... Polyester
MT-POLYEST.....Metallized Polyester
POLYPRO.......... Polypropylene
MT-POLYPRO.... Metallized Polypropylene
COMPO FILM..... Composite film
MT-COMPO........ Metallized Composite
STYRENE........... Styrene
TA-SOLID........... Tantalum Solid
AL-SOLID........... Aluminium Solid
ELECT................ Electrolytic
NP-ELECT.......... Non-polarised Electrolytic
OS-SOLID.......... Aluminium Solid with Organic Semiconductive Electrolytic
DL-ELECT.......... Double Layered Electrolytic
RESISTOR
CARBON 4.7K J A 1/4W
Rated Wattage
Performance Symbols:
A: General B: Non flammable Z: Low noise
Other: Temperature coefficient
Tolerance Symbols:
A: ±0.05% B: ±0.1% C: ±0.25% D: ±0.5%
F: ±1% G: ±2% J: ±5% K: ±10%
M: ±20% P: +5-15%
Rated value, ohms:
K: 1,000, M: 1,000,000
Material:
CARBON........... Carbon
MT-FILM............ Metal Film
OXIDE-MT......... Oxide Metal Film
SOLID................ Composition
MT-GLAZE......... Metal Glaze
WIRE WOUND... Wire Wound
CERAMIC RES.. Ceramic
FUSIBLE RES.... Fusible
OUT OF CIRCUIT BOARD
LCD PANEL
EL901 6450953774 LCD(T315XW02 VC01)
MISCELLANEOUS
WPOW-404 6520022935 CORD,ID-CONNECTOR
W7205 6520023086 CORD 30PIN (LVDS)
W901 6450940347 CORD,POWER-2.41MK-VAR-2
W901A 6520015470 CORE,PIPE
WCNA 6520015470 CORE,PIPE
W101-10A 6520019041 CORE,CLAMP
SP901 6520014473 SPEAKER,8
6520018327 SPEAKER,8
SP902 6520014473 SPEAKER,8
6520018327 SPEAKER,8
U100 6520024298 UNIT,POWER
6103351605 ASSY,SUB-COMP N5JV
1AA0B10S25800
TRANSISTOR
Q103 4060214407 TR MMBTSC3928R
4050144519 TR 2SC2412K T146 R
4050144618 TR 2SC2412K T146 S
4050158724 TR 2SC2812-L6-TB
4050158922 TR 2SC2812-L7-TB
4051631612 TR 2SC2812N-L6-TB0
4051739813 TR 2SC3928A1R
4051739912 TR 2SC3928A1S
Q200 4060214407 TR MMBTSC3928R
4050144519 TR 2SC2412K T146 R
4050144618 TR 2SC2412K T146 S
4050158724 TR 2SC2812-L6-TB
4050158922 TR 2SC2812-L7-TB
4051631612 TR 2SC2812N-L6-TB0
4051739813 TR 2SC3928A1R
4051739912 TR 2SC3928A1S
Q201 4050159721 TR 2SC2814-F4-TB
Q202 4050159721 TR 2SC2814-F4-TB
Q209 4060214308 TR MMBTSA1235F
4051345925 TR 2SA1037AK-T146-R
4051472215 TR 2SA1037AK-S-T146
4050020318 TR 2SA1037K T146 R
4050020417 TR 2SA1037K T146 S
4050026726 TR 2SA1179-M6-TB
4050026924 TR 2SA1179-M7-TB
4051631513 TR 2SA1179N-M6-TB
4051739615 TR 2SA1235A1E
4051739714 TR 2SA1235A1F
Q210 4060214407 TR MMBTSC3928R
4050144519 TR 2SC2412K T146 R
4050144618 TR 2SC2412K T146 S
4050158724 TR 2SC2812-L6-TB
4050158922 TR 2SC2812-L7-TB
4051631612 TR 2SC2812N-L6-TB0
-15-
Loading...