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4. Troubleshooting
4.1.1. No Power
No P owe r
Che ck MAIN P CB
UIC1 P IN53:5.1V.
Ye s
Che ck MAIN P CB
UCN1 10# : VF5.1V.
Ye s
Check VFD
Voltage on MAIN PCB
PCN2 6, 11# .
Ye s
(1)
Che ck CLOCK circuit in
MAIN P CB X-TAL1
pa rt ok?
Ye s
Che ck pa tte rn or re pla ce
MICOM IC.
4-2
*
Re fe r to wa ve pa tte rn
ima ge of Fig. 4-1.
Che ck MAIN P CB
CN2 2~3# (5.1V).
Ye s
Che ck MAIN P CB
VFQ1 ;VFQ2 .
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Che ck or re pla ce S MP S .
No
Che ck or re pla ce S MP S .
Che ck or re pla ce S MP S .
Che ck s igna l
a nd s igna l pa tte rn.
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