Sony KLV-22CX350 / KLV-32CX350 Service Manual ▷ View online
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
LCCT
CHASSIS
Version
Date
Subject
1
2/2012
1
ST
Issue.
Segment: P-2F
LCD TV
9-888-132-01
SERVICE MANUAL
LCCT
CHASSIS
Segment: P-2F
LCD TV
9-888-132-01
MODEL LIST
MODEL
COLOR
COMMANDER
DEST.
MODEL
COLOR
COMMANDER
DEST.
KLV-22CX350
Black
RM-GA022
India
KLV-26CX350
Black
RM-GA022 India
KLV-32CX350
Black
RM-GA022
Sogul, India,
South Africa, Saudi Arabia
KLV-40CX450
Black
RM-GA022 Thailand
3
KLV- 22, 26, 32 CX350, 40 CX450
RM-GA022
KLV- 22, 26, 32 CX350, 40 CX450
RM-GA022
TABLE OF CONTENTS
Section Title
Page
1. SAFETY NOTES
1-1.
Caution Handling of LCD Panel ...........……………......................... 5
1-2.
Safety Check Out ......................................……………........................ 5
1-3.
Leakage Test ........................................................................................ 5
1 4
H
t Fi d G d E th G
d
6
Section Title
Page
4. SERVICE ADJUSTMENTS
4-1.
Accessing Service Mode ..................................................................... 46
4-1-1. Accessing Software Version .............................................................. 46
4-1-2. Accessing Serial Number Edit ……………………………………… 47
4 1 3 A
i
M d l N
Edit
48
1-4.
How to Find a Good Earth Ground…………………………………… 6
1-5.
Warning and Caution .......................................................................... 6
1-6.
Lead Free Information………………………………………………… 6
1-7.
Handling the Flexible Flat Cable (FFC)……………………………… 7
1-8.
Disassemble Rear Cover (22")……………………………………… 8
1-9.
Assemble Rear Cover (22")………………………………………… 8
1-10.
Disassemble Rear Cover (26", 32", 40")…………………………… 9
1 11
Assemble Rear Cover (26")
9
4-1-3. Accessing Model Name Edit ………………………………………… 48
4-1-4. Accessing Self Diagnostic History ………………………………… 50
4-2.
Accessing Self Diagnostic Menu …………………………………… 50
4-3.
Updating The Software ……………………………………………… 51
5. DIAGRAMS
5-1. B
lock Diagram ...................................................................................... 52
5 1 1 CX Series
52
1-11.
Assemble Rear Cover (26 )………………………………………… 9
1-12.
Assemble Rear Cover (32", 40")…………………………………… 9
2. SELF DIAGNOSTIC FUNCTION
2-1.
Overview of Control Buttons ............................................................... 10
2-2.
LED Display Control ..................................................................... 10
2-3. L
ED Pattern……………….................................................................... 10
2-4
Standby LED Error Display
11
5-1-1. CX Series ……………………………………………………………… 52
5-1-2. Hotel (with HTL2 Board and Clock)
(not applicable for this Service Manual) …………………………… 53
5-2. Connec
tor Diagram ……………………………………………………54
5-2-1. K LV-22CX350 ………………………………………………………… 54
5-2-2. K LV-26CX350 ………………………………………………………… 55
5-2-3. K LV-32CX350 ………………………………………………………… 56
5 2 4 KLV 40CX450
57
2-4.
Standby LED Error Display…………………………………………… 11
2-5.
Triage Chart .......................................................................................... 12
3. TROUBLE SHOOTING
3-1.
Trouble Shooting Flow ........................................................................ 13
3-2.
No Power……………………………………………………………… 13
3-3.
Standby LED Blinking
16
3-4
Audio Problem
19
5-2-4. KLV-40CX450 ………………………………………………………… 57
5-3.
Circuit Board Location
5-3-1. KL V- 22CX350 ………………………………………………………… 58
5-3-2. KL V- 26CX350 ………………………………………………………… 58
5-3-3. KL V- 32CX350 ………………………………………………………… 58
5-3-4. KL V- 40CX450 ………………………………………………………… 58
5-4. W
ire Dressing
5 4 1 KLV 22CX350
59
3 4.
Audio Problem………………………………………........................... 19
3-5.
Video Problem………………………………………………………… 25
3-6.
IR Troubleshooting Flow..................................................................... 38
3-7.
TACT SW Troubleshooting Flow ....................................................... 39
3-8.
RTC Troubleshooting Flow ................................................................ 40
3-9.
USB Trouble Shooting Flow ............................................................... 41
3-10.
Troubleshooting Reference ………………………………………… 42
5-4-1. KLV- 22CX350 ………………………………………………………… 59
5-4-2. KL V- 26CX350 ………………………………………………………… 60
5-4-3. KL V- 32CX350 ………………………………………………………… 61
5-4-4. KL V- 40CX450 ………………………………………………………… 62
5-4-5. Power Cord Wire Dressing ………………………………………… 63
6. DISASSEMBLY, EXPLODED VIEWS AND OTHER PARTS
6 1
KLV 22CX350
64
g
3-10-1. BAQ Board ………………………………………………………………43
3-10-2. HQ Board ……………………………………………………………… 45
3-10-2. HQ Board ……………………………………………………………… 45
6-1.
KLV- 22CX350 ………………………………………………………… 64
6-2.
KLV- 26CX350 ………………………………………………………… 67
6-3.
KLV- 32CX350 ………………………………………………………… 70
6-4.
KLV- 40CX450 ………………………………………………………… 74
OPERATING INSTRUCTIONS
4