Trouble Shooting; Triage - Sony A1E Series Service Manual

TROUBLE SHOOTING

TRIAGE

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
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4
BKA Board p l p
DKA Board p l p
G* Board p
l
H* Board
Actuater
p
(Panel module)
Speaker
p
(Sub woofer)
Tuner board
Wifi & BT
Module
V By One FFC
Tcon
l
(Panel module)
OLED Panel
p
(Panel module)
Panel
Power Power Tcon (Communication)
Problem
Audio
XBR-55/65A1E
Symptoms - no shutdown
Error log record only
TU_ TCO FRCT
AUD_ERR_
5 6 7 8 DEM N_E C_I2
OD RR C
p p l p p
p p l
p p
l
l
p
Displayed in
Service mode as
l p
Backlight Error.
p p
Panel
Power TEMP 4KBE
Displayed in
Service mode as
LD Error.
Video
No
Power - missing or distorted
No White Power
Stationary
4KPQ_
LED & does not No video
colored
ERR_
respond to One of
I2C lines or
remote Inputs
I2C
dots
(Dead Set)
p p p l
l p p p
l
p
p
p
p
l
Remote Network Audio
NO RF No video Wireless
No Remote No Audio
input all Inputs can't connect
l l p p
p l
p
l
l
l
p
p
p
Smart Core Bluetooth(BT)
Bluetooth / One Step
Smart Core no LED
Remote (OSR) can't
(Set is still alive)
connect
l p p
l
p p
l
l
l
l
19