Read Sony KLV-32D300A / KLV-40D300A / KLV-46D300A (serv.man2) Service Manual online
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KLV-32/40/46D300A
RM-GA008
LED displays during Aging
Condition
LED Displays
When AGING_TIMER > 0
Green (0.5 Sec)
t Off (0.5 sec) t Green (0.5 sec) t Off (0.5 sec)
When AGING_TIMER = 0
Green (3.0 sec)
t Off (3.0 sec) t Green (3.0 sec) t Off (3.0 sec)
7 times
Set-Temperature trouble
•
Confirm, heat sink and heat sheet adhere to IC4500.
•
If set isn’t shutdown, BH-board temp-trouble.
8 times
Audio trouble (AU_PROT)
•
Confirm, the right voltage appears about D3. 3V,
VDDMQO(=2.5V), VD1_8, D5V.
•
If the output voltage is right, confirm whether X4500 does
an oscillation definitely.
•
Change IC4500 to new one.
9 times
FAN trouble
•
Trouble-Info from BH-board-ICbus.
10 times
Digital-FE trouble
•
No communication from FE-IC.
11 times
Trident trouble
•
No communication from Trident-bus.
12 times
HFR trouble
•
BH-board communication error/Voltage trouble in BH
board.
13 times
Balancer-board trouble
•
Confirm, about D3. 3 input to Q4014/Q4015.
(PANEL_DET=1.6V)
•
If 13 times, change Balancer-board.
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