JVC MX-GB6

(No.MB160)1-37
(2) No output (U/E version)
Amplifier board
(1) FIC01 : pin #2,3
(2) WIC01 : pin #1,#2
B+,B- normal?
AQ 5L,5R,AQ 603
Emitter B+?
No
Yes
Check the B+,B- Power source
PBD01,PBD02,RFS9
Check the Power board
Fude,P/T,RFS2,RFS5,
RFS6,RFS7,RFS8
No
Is Mute selected?
Yes
Remove it with Remocon.
Yes
Headphone Jack short?
No
Check Headphone jack
soldering condition.
Yes
No
UIC2 (PT8300) pin 17
Check the "H"?
Yes
Check the Amplifier board
FIC01,WIC01
Check the Front board
UIC1 (micon), UIC3 (PT8300)
No
Check the Amplifier board
AQ5L,5R,AQ603