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 l p
H* Board
Actuater
p
(Panel module)
Speaker
p
(Sub woofer)
Tuner board Displayed in Service mode as
-PKG1.6.0.08.28.1.00.0005 or less ->BCM_ERR
-PKG1.6.0.08.29.1.00.0005 or later->LD_ERR
Wifi & BT Module
V By One FFC
Tcon
l
(Panel module)
OLED Panel
p
(Panel module)
Power Power Tcon (Communication)
Problem
Audio
XBR-55/65/77A1E
Symptoms - no shutdown
Error log record only
TU_ TCON_ FRCTC_
5 6 7 8
DEMOD ERR I2C
p p l p p
p p l
p l p
l
p
Displayed in Service
l p
mode as Backlight
Error.
p p
Panel Panel
Power TEMP 4KBE
Video
No Power
- missing or distorted
No White Power LED & Stationary No video
AUD_ 4KPQ_
does not respond to colored lines One of
ERR_I2C ERR_I2C
remote (Dead Set) or dots Inputs
p p p l
l p p p
l
p
p
p
p
l
Remote Network Audio
No video all Wireless
NO RF input No Remote No Audio
Inputs can't connect
l l p p l
p l l
p p
l
l
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
p p
p
l
l
20