Sony FW-43BZ35F Service Manual page 16

Triage Chart
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 Colour Code
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
BLACK TEXT: Board that may correct the symptom
Symptoms - Shutdown. Power LED blinking red
diagnostics sequences
Reference
2 3 4 5
Main Board
  
Power Board
  
Receiver
Board
LD* Board
Speaker

Tuner board
Wi-fi &
BT
Module
V By One FFC

T-con

LCD Panel

Panel
(Communication
Power Power LD
Problem )
Audio BCM
TROUBLESHOOTING
Symptoms - no shutdown Error log
record only
TU_ TCON_
6 7 8
DEMOD ERR
    





 
Panel
TEMP 4KPQ
(Backlight)
SECTION 3
No
Power
- missing or distorted
No White
Power LED Stationar
FRCTC AUD_ 4KPQ_ & does not y colored
_I2C ERR_ ERR_ respond to lines or
I2C I2C remote dots
(Dead Set)
    





Video
Remote Network Audio
No
No Cannot
video NO No
video connect to
One RF Remote
all Wireless
of input Operation
Inputs Network
inputs
    

 




Smart Bluetoot
Core h (BT)
Bluetooth /
Smart Core One Step
No no LED Remote
Audio (Set is still (OSR)
alive) can't
connect
  




16
SYS SET