Sony KDL-32V4000 / KDL-32V400B / KDL-40V4000 Service Manual ▷ View online
KDL-32V400B, 32/40V4000 (WB) 2-5
NO
2 times
YES
See
2-2-2.DC_DET
2-2-2.DC_DET
RED LED Blinks
NO
3 times
YES
See
2-2-3.DC_ALERT1
2-2-3.DC_ALERT1
NO
4 times
YES
See
2-2-4.DC_ALERT2
2-2-4.DC_ALERT2
NO
5 times
YES
NO
7 times
YES
See
2-2-7 Temp Error
2-2-7 Temp Error
8 times
YES
See
2-2-8 Audio Error
2-2-8 Audio Error
NO
10 times
YES
See
2-2-9 DFE Error
2-2-9 DFE Error
2-2-1. Self Diagnosis (Flow Chart_C)
NO
6 times
YES
See
2-2-6.Backlight Error
2-2-6.Backlight Error
See
2-2-5.DC_ALERT3
2-2-5.DC_ALERT3
NO
11 times
YES
See
2-2-10 B-Engine Error
2-2-10 B-Engine Error
NO
13 times
YES
See
2-2-11 Balancer Error
2-2-11 Balancer Error
KDL-32V400B, 32/40V4000 (WB) 2-6
2-2-2. DC_DET (RED 2 times blink)
• This indicates DC_DET of Power Board
1)
.
• 12V line on Power Board
1)
.
• TV Micro (on BG1 board
2)
) Pin82 detects DC_DET and shuts down chassis power to standby
status.
TV micro Pin82 Normal condition: 1.3V - 2.5V
Error case: lower than 1.3V or higher than 2.5V
– Replace Power Board
1)
.
1) 32": POWER UNIT
40": IP5Z BOARD
2) 32": BG1TW BOARD
40": BG1TF BOARD
2-2-3. DC_ALERT1 (RED 3 times blink)
• This indicates Power Error, DC_ALERT1 of D3.3V & THH3.3V from BG1 board
2)
.
• TV Micro (on BG1 board
2)
) Pin123 detects DC_ALERT1 and shuts down chassis power to
standby status.
TV Micro Pin123 Normal condition : High / Error case : Low
– Check 12V at CN5500 Pin11, Pin12 and Pin13 on BG1 board
2)
.
And F5500 on BG1 board
2)
has 12V or not.
– Check Power Board
1)
.
1) 32": POWER UNIT
40": IP5Z BOARD
2) 32": BG1TW BOARD
40": BG1TF BOARD
KDL-32V400B, 32/40V4000 (WB) 2-7
2-2-4. DC_ALERT2 (RED 4 times blink)
• This indicates Power Error, DC_ALERT2 of REG5V & FE3.3V from BG1 board
2)
.
• TV Micro (on BG1 board
2)
) Pin79 detects DC_ALERT2 and shuts down chassis power to
standby status.
TV Micro Pin79 Normal condition: High / Error case: Low
– Check 12V at CN5500 Pin11, Pin12 and Pin13 on BG1 board
2)
.
And F7602 on BG1 board
2)
has 12V or not.
– Check Power Board
1)
.
1) 32": POWER UNIT
40": IP5Z BOARD
2) 32": BG1TW BOARD
40": BG1TF BOARD
2-2-5. DC_ALERT3 (RED 5 times blink)
• This indicates Power Error, DC_ALERT3 of Panel12V from BG1 board
2)
.
• TV Micro (on BG1 board
2)
) Pin80 detects DC_ALERT3 and shuts down chassis power to
standby status.
TV Micro Pin80 Normal condition: High / Error case: Low
– Check 12V at CN5500 Pin11, Pin12 and Pin13 on BG1 board
2)
.
And F5502 on BG1 board
2)
has 12V or not.
– Check Power Board
1)
.
1) 32": POWER UNIT
40": IP5Z BOARD
2) 32": BG1TW BOARD
40": BG1TF BOARD
KDL-32V400B, 32/40V4000 (WB) 2-8
2-2-6. Backlight Error (RED 6 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: Low (lower than 0.8V)
– Replace Panel or Power Board
1)
.
1) 32": POWER UNIT
40": IP5Z BOARD
2) 32": BG1TW BOARD
40": BG1TF BOARD
2-2-7. Temp Error (RED 7 times blink)
• This indicates high temperature inside chassis.
IC3007 on BG1 board
2)
is monitoringtemperature.
IC3007 is controlled by BEM I2C.
• When it happens:
– Check chassis environment.
– Check around IC3007 and replace BG1 board
2)
if temperature monitoring circuit
has problem.
– Check panel.
2) 32": BG1TW BOARD
40": BG1TF BOARD
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