4-8
8. AUX FUNCTION
Check if JK800 contacts with
Check IC200 (BU4052)
4, 11PIN input waveform.
Check IC200 (BU4052)
3, 13PIN output waveform.
Check IC801 (MC4580)
2, 6PIN input waveform.
OK
Check IC200 (BU4052)
16PIN VDD, 8PIN VSS power.
Check u-COM (IC100)
3PIN, 69PIN
communication.
Refer to SMPS
Troubleshooting.
Replace the related parts
Check IC801 (MC4580)4PIN
VSS, 8PIN VDD power.
Replace the related parts.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
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