Read Sony KDL-V32A10 / KDL-V40A10 (serv.man2) Service Manual online
KDL-V32/V40A10 (K) 1-1E
SECTION 1
SELF-DIAGNOSIS FUNCTION
1-1. LED BLINKING PATTERNS AND MONITORING ITEMS
(1) The following table shows LED blinking patterns to be used for reporting causes in the case of safety shutdown.
(2) Since the TV set is provided with many failure items, causes of shutdown can be identified by the following blinking patterns.
(2) Since the TV set is provided with many failure items, causes of shutdown can be identified by the following blinking patterns.
• MIX5 Self-Diagnosis Functions
LED blinking
Item
Abbreviation
Description
Detection location
times
2
Abnormal inner
Panel TEMP
Panel module overheating detected.
Communication between LM75
temperature
ERR
and I2C
3
+B power OVP
+B_OVP
6.5V (inverter power) overvoltage
Unregulated 6.5V line
detected.
4
Fan error
FAN_ERR
Malfunction of any fan detected
Return voltage from fan (L/H
detected by the circuit)
detected by the circuit)
6
Low B power
LowB_ERR
Power low of main power supply
10.5V line
error
(for set’s load) detected.
7
Speaker
Audio_Prot
Amplifier output error (short-circuit, no
K board
protection
power supply to K board) detected.
8
Digital power OVP
D_OVP
Overvoltage for T-CON detected.
Panel 5V
9
Backlight error
B_LIGHT
Inverter error detected.
Panel module (inverter with
_ERR
power supply)
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