No P ower Dete cted
(Sta nd by LED OFF)
Yes
No
Check MAIN ASS ’Y
- sp e cially check around
MICOM IC(Vcc).
Repla ce P ower Cord.
AL3.4V Line Volt. is OK ?
Indicate LED851 Light/unlight
che ck.
Check Po wer Cord?
Yes
Check CM801 ↔
GND_P Voltage is 200V ~ 400V
→ OK?
Check
Se conda ry Re cti. Diode
(DM863/4, DM866/7 DM872/3,
DA861) → OK ?
If you didn’t know fa ilure
rea so n, re pla ce SMPS .
No
Check FP801S , NT801S,
LX801S, LX802S , DBM801.
Repla ce s econda ry
recti. Diode .
Repla ce ICM801,
MA801, ICA801.
Che ck
(1)
PW M IC(ICM801, MA801)
Dra in S/W wa ve form
→
OK?
No
No
No
Yes
Yes
Yes
* Refe r to wa ve patte rn
ima ge of Fig. 4-1 a nd
Fig. 4-2.
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