7. EXPLANATION OF MAIN / DRIVE PC BOARD
7-1. Main PCB
2-8
Caution :
Please do not touch these switches by any means at the time of service
: Button Switch
: LED
D301
S302
S304
S304
S1
S1
D2
D2
DS1
DS1
Explanation of each part article of operation
Parts
Name
S1
D2
S302
S304
D301
DS1
Explanation of operation
Reset switch for IC101
Check for IC101 operation
Reset switch for IC301
Reset switch for IC301
Check for IC301 operation
Check for IC41 operation
LED Display
Standby
Abnormal
IC101 failure
IC301 failure
IC41 failure
Operation