Sony MHC-V42D - Page 29

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MHC-V42D
Assembly back the set. Make sure connect the connector (CN2021).
First time repair?
MOTHERBOARD board damaged. Exchange the MOTHERBOARD mounted pc board.
Exchange original damaged IC.
Repair is successful. 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 Board Mount Amplier Diagnosis Flow (3/3) 3. IC and MOTHERBOARD board after replace checking guide AfterIC2002andMOTHERBOARDboardchanged,checkasbelow:
SYSSET
2019/03/0500:47:46(GMT+09:00)