Sony KDL-32V4000 / KDL-32V400B / KDL-40V4000 Service Manual ▷ View online
KDL-32V400B, 32/40V4000 (WB) 2-9
2-2-8. Audio Error (RED 8 times blink)
• This indicates Audio Error (Protection).
• It happens:
– IC2203 on BG1 board
2)
, Audio Amp detects over current, thermal shut down
and/or low voltage of itself.
– DC voltage detected for speaker line.
– BE Micro Pin153 Normal condition: High / Error case: Low
• Check UNREG15V at CN5500 Pin4 or Pin5 on BG1 board
2)
.
And F2001 on BG1 board
2)
has 13V or not.
• Check above and replace BG1 board
2)
.
2) 32": BG1TW BOARD
40": BG1TF BOARD
2-2-9. DFE Error (RED 10 times blink)
• This indicates DFE power error or communication error.
• [POWER ERROR]
– Check 5V via JL7600 on BG1 board
2)
.
• [COMMUNICATION ERROR]
– TV Micro (on BG1 board
2)
) is communicating with EMMA2Lr (on BG1 board
2)
).
• Check above and replacce BG1 board
2)
.
2) 32": BG1TW BOARD
40": BG1TF BOARD
KDL-32V400B, 32/40V4000 (WB) 2-10
2-2-10. B-ENGINE Error (RED 11 times blink)
• This indicates B-ENGINE communication Error.
• TV Micro on BG1 board
2)
and B-ENGINE communicate each other by parallel bus.
• Check above and replace BG1 board
2)
.
2) 32": BG1TW BOARD
40": BG1TF BOARD
2-2-11. Balancer Error (RED 13 times blink)
• This indicates panel power circuit error such as inverter.
• BE Micro (on BG1 board
2)
) Pin81 detects PANEL_FAIL and shuts down chassis power
to Standby status.
BE Micro Pin81 Normal condition: High / Error case: Mid (0.85 - 2.65V)
• Replace Panel.
2) 32": BG1TW BOARD
40": BG1TF BOARD
KDL-32V400B, 32/40V4000 (WB) 2-11
Here is trouble shooting flow related audio.
Audio problem
Only
Speaker out?
YES
NO
UI setting
correct?
Volume, SP off/On
HP Link
Analog
Channel
Problem?
Digital
Channel
Problem?
HDMI
Problem?
Set correctly or
reset by menu.
reset by menu.
Check
Speaker BG1 board
Speaker BG1 board
2)
NO
YES
NO
NO
Check
BG1 board
BG1 board
2)
Check
BG1 board
BG1 board
2)
Check
BG1 board
BG1 board
2)
YES
YES
YES
NO
Check
BG1 board
BG1 board
2)
2-3. Audio Problem (Flow Chart_D)
2) 32": BG1TW BOARD
40": BG1TF BOARD
KDL-32V400B, 32/40V4000 (WB) 2-12E
Here is trouble shooting flow related Video.
Video problem
All inputs
have
problem?
YES
NO
Analog
Channel
Problem?
Digital
Channel
Problem?
HDMI
Problem?
Check
LVDS harness
Power Board
LVDS harness
Power Board
1)
BG1 board
2)
Panel Module
NO
NO
Check
BG1 board
BG1 board
2)
Check
BG1 board
BG1 board
2)
Check
BG1 board
BG1 board
2)
YES
YES
YES
NO
Check
BG1 board
BG1 board
2)
NO
Check
BG1 board
BG1 board
2)
YES
YES
Back Light
turn on?
OSD
appear?
NO
Check
LVDS harness
BG1 board
LVDS harness
BG1 board
2)
Panel Module
2-4. Video Ploblem (Flow Chart_E)
1) 32": POWER UNIT
40": IP5Z BOARD
2) 32": BG1TW BOARD
40": BG1TF BOARD
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