JVC MX-GB6 Service Manual page 37

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

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