Sony KD-55X7 E Series User Manual

Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
Video
- missing or distorted
Remote Network Audio Smart Core
2 3 4 5 6
No White Power
LED & does not
reponse to
remote (Dead
Set)
Stationary
colored
lines or
dots
No video
One of
Inputs
No video
all Inputs
No
Remote
Wireless
can't connect
No Audio
Smart Core no LED
(Set is still alive)
B* Board













G* Board






H* Board


Speaker


Wifi Module

LD* Board




VBO FFC



Tcon/Source
Board




LCD Panel





Problem
Power Power LD
Panel
(Communicatio
n)
Panel
(Backlight)
Audio
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 and cables 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: Secondary possible defective part
BLACK TEXT: Board that may correct the symptom
Triage Chart
16

Sony KD-55X7 E Series Specifications

General

Brand	Sony
Model	KD-55X7 E Series
Category	LCD TV
Language	English