Triage Chart - Sony KDL-32R420B Repair Manual

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.
2. Select that symptom from the chart.
3. Bring the primary component listed for that symptom.
4. Follow the associated flowcharts in the Training Manual to isolate the board.
5. Chart Color Code.
Symptoms - Shutdown.
Power LED blinking
red diagnostics sequences
Board
Reference
2X 3X
 
MAIN BOARD
LIGHT SOURCE BOARD
OPEN CELL

AC ADAPTOR
▲
SPEAKERS
LS HARNESS
MAIN HARNESS
▲
SPEAKER HARNESS
FFC CABLE
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE LIBRARY DATABASE
FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER.
To access the most recent version of the Triage documents for the models listed in this manual, login into the Sony Authorized Service Portal at
http://www.sony.com/asp.
KDL-32R420B/40R470B
User
Interface
NG
4X 5X 6X
Tuner USB
▲
   
▲

▲

▲
▲ ▲
SECTION 2 - TROUBLESHOOTING
No Picture
(UI OK)
Video Component HDMI MHL
    
Red Dot: (Primary) Most likely defective part.
Blue Triangle: (Secondary) Possible defective part.
Main
SCART HP Video Component
Speaker
    
  
▲ ▲ ▲
Audio
Tuner HDMI SCART USB
   
   
▲ ▲ ▲ ▲
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