LED blinks Detail error Board may defect
Quick 1 / 3
(only for Asia/Latin
FS5**/6** )
Power on problem
(No F15V/SUB3.3V/SUB1.5V voltage)
P/A
F15V(16V) is supplied from P board. If the F15V /SUB voltage is not supplied
LED blinks quickly 1 or 3 times.
Power on.
Check if voltage P15V at
pin 1,3,5 of A02
connector before LED
blinks?
No
Yes
(15V)
A board
P board
Remove P2 connector.
Check if short-circuit at
pin 1,3,5 of A02
connector?
No
Yes
(Shorted)
A board
P
P2
1
2
3
16V
Q7403
16V
A
IC8000
5V
IC5420
3.3V
IC5400
1.5V
1.2V
P15V
SUB1.5V
SUB1.1V
DCDCEN
12V
IC4900
AMP
SUB5V
IC5500
IC8103
IC8101
A02
64
Troubleshooting for LED Blinking ( Quick 1 / 3 time blink )
SRV-15V
Ex. TH-**FS500* series
1
3
5
SUB3.3V
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