Sony KDL-40SL140 Training Manual page 30

Before you make the service call...
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring all the boards listed for that symptom.
4. Follow the troubleshooting flowcharts in the technical guides to isolate the board.
5. Chart Color Code
RED DOT: (Primary) Most likely defective part
BLUE Triangle: (Secondary) Possible defective part
Green Square: (Last resort) Improbable defective part
BLACK TEXT: Board and Part # that may correct the symptom
7) The Troubleshooting Flowchart
Board Reference
2
Blinks
�
BM5
�
IP5Z
HM1
HM5
LCD Panel
LVDS Cable
AC Outlet
Ventilation
Flowchart
C1
Reference
Power
Problem
CTV-51
Sony KDL-40SL140 Technical Triage Summary Sheet
required to determine the actual defective part is listed for each column in the last row of each table.
Protection Modes
3 4 5 6
Blinks Blinks Blinks Blinks
� � �
� **
�**
C1 C2 C2 C2
Power Power Power Backlight Temp
Chassis: MA2F
Last Update: 09/12/2008
Power
No Green
7 8
Power LED
Blinks Blinks (Dead Set)
*
�
�
�
�
�
�
�
�
�
C3
C3 B
*
� Immediate Shutdown After Power ON
Audio
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE
LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS
BASED ON SERIAL NUMBER.
Triage Charts & Troubleshooting Flowcharts
Video
Audio
Distorted
No Video No Audio
Video
All Inputs Main Speakers
All Inputs
� � �
� �
� �
D D E
Part #s
KDL40SL140
*
SEE NOTE
*
SEE NOTE
1-480-688-11
A-1552-166-A
*
SEE NOTE
*
SEE NOTE
Check
Check Ventilation
29