Trouble Shooting; Triage - Sony XE93 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 5
p l p p
B* Board
G* Board
l p p p
(Except 55")
JK Board(ADP)
l p p p
(55"only)
H* Board
KJ Board
l
(KPSP only)
p
Speaker
Tuner board
Wifi & BT Module
l
LD* Board
p
V By One FFC
l
Tcon
p p
LCD Panel
Panel
Power Power LD (Communication)
Problem
Audio BCM
KD-55/65XE9305, 75XE9405
Symptoms - no shutdown
Error log record only
AUD_ERR
TU_ TCON_ FRCTC_
6 7 8
DEMOD ERR I2C
p l l p p
l
l
p
p
l
p
l
Panel
(Backlight) TEMP 4KBE
No Video
Power - missing or distorted
No White Power
Stationary
LED & does No video
4KPQ_ colored NO RF
_ not respond to One of
ERR_I2C lines or input
I2C remote Inputs
dots
(Dead Set)
l p p l
l
l
p
l
p
p
p
p
l
Remote Network Audio
No video No Wireless
No Audio
all Inputs Remote can't connect
l l p p l
p
p
l
l
l
l
l
p
p
p
p
Smart Core Bluetooth (BT)
Bluetooth /
Smart Core no LED
Voice Remote
(Set is still alive)
can't connect
p p
l
l
20