Triage Chart - Sony KDL-40NX725 Service Manual

TRIAGE CHART

Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
Before you make the service call...
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.
Board Reference
2X
Main Board

Power Supply
HEM2
LD
LCD Panel
TCON
WLAN
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN
REFERENCE LIBRARY DATABASE FOR CORRECT
REPLACEMENT PARTS BASED ON SERIAL NUMBER.
▲* Sharp Vertical or Horizontal Lines, Missing Pixels
KDL-40NX725/46NX725
SECTION 4 - TROUBLESHOOTING
Protection Modes
3X 4X* 4X** 5X 6X

▲

 
 

5. Chart Color Code

RED DOT: (Primary) Most likely defective part
▲
BLUE Triangle: (Secondary) Possible defective part
3D LAN Power
No
7X 10X
Dead set
WIFI
▲ ▲
* 



* Immediate Shutdown After Power ON & 7X
4X* Momentary Backlight before Shut OFF
4X** No Backlight before Shut OFF
Video
Whole Isolated
No Video Screen Area
Distortion Distortion
▲
 

 
Audio
No 3D No Audio
 
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