Read Sony KDL-40R355B Service Manual online
KDL-40R355B 5
SECTION 2 - TROUBLESHOOTING
TRIAGE CHART
Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
1. Confirm the symptom from the customer.
Red Dot: (Primary) Most likely defective part.
2. Select that symptom from the chart.
Blue Triangle: (Secondary) Possible defective part.
3. Bring the primary component listed for that symptom.
5. Chart Color Code.
UI
NG
No Picture
(UI OK)
Audio
2X 3X 4X 5X 6X
USB
Tuner
Video
SCART
B BOARD
HIL BOARD
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
LIGHT SOURCE BOARD
OPEN CELL
AC ADAPTOR
SPEAKERS
LS HARNESS
SPEAKER HARNESS
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Board
Reference
Symptoms - Shutdown.
Power LED blinking
red diagnostics sequences
MAIN HARNESS
FFC CABLE
Component
HDMI
MHL
HP
Main
Speaker
Video
SCART
USB
Component Tuner
HDMI
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