Sony KDL-32W600A / KDL-32W650A / KDL-42W650A / KDL-42W651A Service Manual ▷ View online
KDL-32W600A/32W650A/42W650A/42W651A 9
SECTION 2 - TROUBLESHOOTING
STANDBY LED BLINKING FLOWCHART
Protect
Shutdown.
Standby LED
Blinking
No
Yes
No
Yes
2X
Main Board*
3X
4X N/A
No
5X
Yes
6X
No
7X
Immediately
TCON*
(LCD Panel)
Yes
No
After a while
Main Board*
Check ventilation
LD Board*
Main Board*
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
KDL-32W600A/32W650A/42W650A/42W651A 10
SECTION 2 - TROUBLESHOOTING
NO VIDEO FLOWCHART
No Video
Backlights
turned on?
SONY logo
appears
momentarily?
No
Main Board*
No
Yes
Yes
Locate
CN8202 on
Main Board.
Zero volts at
Pin 5?
TCON*
(LCD Panel)
Yes
No
Yes
Main Board*
No
LCD Panel*
LCD Panel*
Zero volts at
Pin 1?
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
KDL-32W600A/32W650A/42W650A/42W651A 11
SECTION 2 - TROUBLESHOOTING
VIDEO DISTORTION FLOWCHART
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper or
missing
colors?
Yes
Main Board*
No
Vertical lines
or bars?
No
Yes
Lines
move when
wide-mode
changed?
Yes
No
TCON*
(LCD Panel)
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
TCON*
(LCD Panel)
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
KDL-32W600A/32W650A/42W650A/42W651A 12
SECTION 3 - REPAIR INFORMATION
REPAIRING THE TV
If the latest Software does not correct the issue, complete the following:
1. Verify the television has the symptom the customer indicated.
2. Replace part causing the symptom.
3. Install the latest version of Software (Required for ALL repairs).
4. Perform the required service adjustments and checks.
5. Verify the repair resolved the issue.
REMOVING THE TABLE-TOP STAND
1. Remove 2 screws from Chassis Box and pull down as shown to detach.
REMOVING THE CHASSIS BOX
1.
Remove 1 screw from Bracket Top. Using a flat plastic object, separate
bracket and grasp as shown to detach.
bracket and grasp as shown to detach.
2. Locate and disconnect connectors.
3. Press down the 2 locking clips and pull LVDS cable to release.
4. Locate and remove all screws from the Rear Cover.
CAUTION: Do not use the Table-Top Stand
to hold or carry the TV.
to hold or carry the TV.
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