Chapter 2 - Service and Troubleshooting
CTV-41 39
Sony KDL26S3000 Technical Triage Summary Sheet
1. Confirm the symptom from the customer.
CHASSIS: WAX32. Select that symptom from the chart.
3. Bring all the boards listed for that symptom.
4. Follow the troubleshooting charts in the technical guides to isolate the board.
5. Chart Color Code
RED DOT: Most likely defective part
BLUE Triangle: Possible defective part LAST UPDATED: 7/16/07
BLACK TEXT: Board and Part # that may correct the symptom
7) The Troubleshooting Flowchart required to determine the actual defective part is listed for each column in the last row of each table.
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power Video - missing or distorted
2 3 4 5 6 7** 8 10 11 13
No Green
Power LED
(Dead Set)
Stationary
colored
lines or
dots
Video 2
0nly
No video
all Inputs
No Audio
Part #
BU1 BOARD
▲
N/A
▲ ▲
A-1268-869-A
G1D BOARD
▲ ▲ ▲
N/A
1-474-056-21
U1 BOARD
N/A
A-1220-504-C
INVERTER
N/A
1-789-780-11
TCON LVDS CABLE
N/A
▲ ▲ 1-834-155-11
LCD Panel
▲
N/A
▲ 1-802-368-11
Flowchart Reference
C C C C D C C C C N/A
B F F D H
Problem
POWER POWER POWER POWER INV TEMP AUDIO COMM COMM
N/A
**ONLY IF TEMPERATURE ERROR OCCURS IMMEDIATELY
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