Troubleshooting - Sony FW-32BU30J Service Manual

2021/06/23 21:31:19 (GMT+09:00)
Triage Chart
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
Main Board p l
Power Board l p
Receiver Board
Speaker
p
Wifi & BT Module
LD Board
l p
V By One FFC
Tcon
LCD Panel
Power Power Panel
Problem
Audio LD
SAFETY NOTES
Symptoms - no shutdown
Error log record only
TU_DE
TU_DE TCON_ FRCTC
5 6 7 8 MOD_
MOD ERR _I2C
I2C
■ ■ l l p
■ ■
l
■ ■
p p
l l
▲ ▲ ■
l
Panel Panel
(Communication) (Backlight) TEMP 4KBE
Tcon
SELF DIAGNOSTIC FUNCTION
T R O U B L E S H O O T I N G
No
Power
No White Power
AUD_E 4KPQ_ TEMP_ EARC_ Stationary
LED & does not
RR_I2 ERR_I ERR_I ERR_I AMB_ERR_I2C colored lines
reponse to remote
C 2C 2C 2C or dots
(Dead Set)
l ▲ p p
l
●
p
l
p
p
l

TROUBLESHOOTING

SERVICE ADJUSMENT
S E G M E N T : A P H
Video
Remote Network
- missing or distorted
No video
No video all Cannot connect to
One of NO RF input No Remote
Inputs Wireless Network
Inputs
l l l p p
▲
l
l
p
p
■
■
DIAGRAMS
Audio Smart Core Bluetooth (BT)
Bluetooth / One Step
Smart Core no LED (Set
No Audio Remote (OSR) can't
is still alive)
connect
l p p
p
l
l
l
p
HANDLING GUIE
17
SYS SET