17
7 Troubleshooting Guide
7.1.
No Power (No LED D No Response)
c
Press Power Button of Unit
or Remote Control to Turn
ON the Unit
Check Fuse
(F1) = 0 ohm
NG
OK
NG
NG
OK
Change
SMPS
PCB
OK
1
2
Check C2 &
measured
300V or
OK
NG
NG
OK
Check C6
Me14V
Or 33V (AKX320)
Or 39V (AKX520)
NG
Check IC1004
Measured
+1.6V at pin3
Check D2
Me14V
Or 33V
Check IC1005
Me3.3V at
pin2
6
Change
SMPS
PCB
Change
SMPS
PCB
Change
SMPS
PCB
Replace
IC1005
7
OK
NG
If No Display
on FL Panel
Replace
IC1004
CheckConnector
(CN2500) Measured
5/3.3/12V at Pin 1-3
Yes
3
3
Change
FFC wire
Check DC-DC output
C1051 measured
+6V
OK
Change VFD
DP6300
&
Q6302 at
Panel (FL)
PCB
NG
No Display on FL Panel
OK
End
Replace
IC1003
4
5
NO
Содержание SA-AKX320E
Страница 11: ...11 5 Location of Controls and Components...
Страница 18: ...18 Check Point SMPS PCB Check Point Main PCB...