Sony KLV-40S400A Service Manual

C
EF
85
B7
5C8
FE
03
FE27E
5
B2DD
5
FD4F
C580
D
C
2
C
A
3
BB
C3
A
6
D
83C
1
C
F4
C5
1
36
771FAAA
0
EBB
39665
D
65
2
9
1
Ver. DATA CONTENTS
1.0 2008.04 Issued
1.1 2008.05 Addition of KLV-40S400A Model.
(P. 2, P. 3, P. 1-10, P. 2-1, P. 2-2, P. 3-8, P. 3-16)
1.2 2008.06 Addition of KLV-20S400A Model.
(P. 2, P. 3, P. 1-15, P. 2-2, P. 3-11, P. 3-17)
MODEL NAME : KLV-20/32/37/40S400A
SERVICE MANUAL
PARTS No. : 9-888-205-04
MODIFICATION HISTORY
* Blue characters are linking.
1.3 2008.10 Correction of part number for SEC3. (P.3-12)
A
(
(
(
(
(
(
(
(
(
(
P.
P.
P
P
P.
P.
P
.
2
,
Ad
Ad
Ad
AdAd
Ad
Ad
A
Ad
Ad
didi
di
di
didi
di
di
di
i
ti
ti
ti
ti
t
ti
t
ti
ti
t
on
o
o
(
P.
2
2
2
2
2
2
2
2
2
,,
P.
P.
P.
P.
P.
P.
P.
P.
P.
3
3
3
3
3
3
3
3
3
,
,
,
,
,
,
P.
P
P
8.
.
.
05
05
05
05
05
05
05
05
05
05
2
00
8.06
Co
o
o
o
o
o
o
o
o
rr
rr
r
r
rr
rr
rr
r
ec
e
e
e
e
e
e
ti
ti
ti
ti
ti
ti
ti
i
on
n
n
n
n
n
n
n
o
o
o
o
o
o
o
f
f
f
f
f
f
f
pa
p
p
rt

Sony KLV-40S400A Specifications

General

Screen Size	40 inches
Display Resolution	1366 x 768 pixels
Display Type	LCD
Aspect Ratio	16:9
Brightness	450 cd/m²
Response Time	8 ms
HDMI Ports	2
USB Ports	1
Component Video Input	1
Composite Video Input	1
Viewing Angle	178 degrees
Audio Output	2 x 10W

Summary

Modification History

Specifications

Warnings and Cautions

General Safety Warnings and Component Replacement

Covers general cautions, safety warnings, and component replacement guidelines.

LCD Panel Handling Safety

Specific safety instructions for handling the LCD panel to prevent damage or injury.

Safety Check-Out Procedures

AC Leakage Test Procedure

Details the method for testing AC leakage from exposed metal parts.

Earth Ground Verification Method

Explains how to find and verify a proper earth ground connection for safety tests.

Self-Diagnosis Function

Diagnostic Test Indicators and Error Codes

Explains STANDBY LED flash counts and their corresponding error codes for troubleshooting.

Standby/Timer LED Flash Count Display

Illustrates STANDBY/TIMER LED flash patterns and counts for error identification.

Stopping the Standby LED Flash

Procedure to turn off the flashing STANDBY LED to stop error indications.

Accessing Self-Diagnostic Screen

Instructions on how to access and view past failure occurrences on the screen.

Disassembly Instructions

KLV-32S400A Rear Cover/Stand Removal

Procedure to remove the rear cover and stand assembly for the KLV-32S400A model.

KLV-32S400A BG1 Board Removal

Steps for removing the BG1 board from the KLV-32S400A unit.

KLV-32S400A LCD Panel Removal

Instructions for safely removing the LCD panel from the KLV-32S400A.

KLV-40S400A Frame Removal

Steps to remove the frame assembly from the KLV-40S400A unit.

KLV-20S400A LCD Panel Removal

Instructions for disassembling the LCD panel from the KLV-20S400A.

Diagrams and Schematics

System Block Diagram

Overview of the unit's functional blocks and data flow.

Circuit Board Locations

Diagrams showing the physical placement of various circuit boards within the units.

Exploded Views

Exploded Views for All Models

Detailed exploded diagrams for all supported models (KLV-32/37/40/20S400A), showing parts.