Sony KD-55A9F - Troubleshooting Guide; Troubleshooting Triage Chart

SECTION 3
TROUBLESHOOTING
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
Triage Chart
CHASSIS:
CS 55/65
17
No
Power
Remote Network Audio Smart Core Bluetooth (BT)
2 3 4 5 6 7 8
TU_
DEM
OD
TU_
DEM
OD_I
2C
TCO
N_E
RR
FRCT
C_I2
C
AUD
_ER
R_I2
C
4KP
Q_E
RR_I
2C
TEM
P_ER
R_I2
C
EAR
C_ER
R_I2
C
No White Power
LED & does not
reponse to remote
(Dead Set)
Stationa
ry
colored
lines or
dots
No video
One of
Inputs
NO RF
input
No video all
Inputs
No Remote
Wireless
can't
connect
No Audio
Smart Core no LED (Set
is still alive)
Bluetooth / One Step
Remote (OSR) can't
connect
B* Board p l p p p p p p p p l p p l p l p p p p p
D* Board p p p p p l p p
G* Board l p p l l p p p
Tuner Board l l l
H* Board l l p l l
K* Board l l
Actuater
(Panel module)
p l
Speaker
(Sub woofer)
p l
Wifi & BT Module l l
V By One FFC p p p
Tcon
(Panel module)
l l p p p
OLED Panel
(Panel module)
p p p l p
Power Power Tcon
Panel
(Communication)
Panel
Power TEMP 4KBE
Audio
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Symptoms - no shutdown
Error log record only
Video
- missing or distorted
Problem
SYSSET
2018/09/1904:47:37(GMT+09:00)