Triage Chart - Sony XBR-55X900H Service Manual

2020/06/27 06:31:32 (GMT+09:00)

Triage Chart

Sony KD-* Technical Triage Summary Sheet
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 Color Code
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
GREEN SQUARE: Tertiary possible defective part
BLACK TEXT: Board that may correct the symptom
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4
B* Board ■
p l
■
G* Board l p
H* Board
Speaker
p
Wifi & BT Module
LD* Board ▲
V By One FFC
Tcon
LCD Panel
●
Power Power Panel (Communication)
Problem
Audio LD
SECTION 1
T R O U B L E S H O O T I N G
Symptoms - no shutdown
Error log record only
TU_
TU_ TCO FRCT
DEM
5 6 7 8 DEM N_ER C_I2
OD_I
OD R
2C
■ ■
l l p
■ ■
▲
p p
l l
▲ ▲
l ■
Panel Panel
(Backlight) TEMP 4KBE
Tcon
SECTION 2
S E C T I O N 3
No
Power
Stationa
4KP TEM
No White Power
AUD EARC AMB
ry
Q_E P_ER
LED & does not
_ERR _ERR _ERR
colored
RR_I R_I2 reponse to remote
lines or
C _I2C _I2C _I2C
(Dead Set)
2C C
dots
▲
l p p
l
●
p
p
p
l
SECTION 3 SECTION 4
Video
Remote Network
- missing or distorted
Cannot
No video
NO RF No video all connect to
One of No Remote No Audio
input Inputs Wireless
Inputs
Network
l l l p p
▲
l
l
p
p
■
■
SECTION 5
CHASSIS: NX/NXB
LAST UPDATED: 2020/1/30
Audio Smart Core Bluetooth (BT)
Bluetooth / One Step
Smart Core no LED (Set
Remote (OSR) can't
is still alive)
connect
l p p
p
l
l
l
SECTION 6
SYS SET
17