MPEG BOARD
Defective
Ok
Ok
Ok
KARAOKE
No Disc
Whether lens is ok
Check +5V power supply
circuit
Check 24P cables and the plug
for connection working or not
Check SA5888
Sunplus8202D defective
Clean Lens or change lens
Change 24P pair cables
SA5888 defective
No
No
KRK without sound
If have KRK signal ,check
CE2826(17)(18)
with
oscillograph have wave or not
If have KRK signal, ,check
CE2826(1)(7) with oscillograph
have wave or not
Check Mic working or not
CE 2826 Defective
Circuit defective
Capacitance or resistance
defective
YES
YES
YES
No
Change MIC output
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