HCD-M40D/M60D/M80D
31
Assembly back the set.
First time repair?
MOTHERBOARD board damaged. Exchange the complete MOTHERBOARD board.
Exchange original damaged IC.
Repair is successful.
Connect all speakers.
Volume set to Max, sound field set to default, Mega Bass set to “ON”.
Play song “Billie Jean By Michael Jackson” for 2 minutes.
Check for any abnormality:
Protect 3 is displayed/ Set Reset to DEMO/ No display etc.
No
Yes
No
Yes
MOTHERBOARD Mount Amplifi er Diagnosis Flow (3/3)
3. IC and MOTHERBOARD Board after replace checking guide
After IC3501 (M80D), IC3502, IC3503 (M60D, M80D), IC2002 and the complete MOTHERBOARD Board change, check as below:
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