(No.MB080)1-25
No Output : MXGA7/GA8
1 FIC01 : pin no.1,2,7
2 WIC01 : pin no.1,2,5,6,12,13
B+,B- normal?
AMP board
Check the B+,B- Power source
PBD01,PBD02,RFS9
Check the Power board
Fuse,P/T,RFS2,RFS5,
RFS6,RFS7,RFS8
Check the AMP board
FIC01,WIC01
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Remove it with Remocon.
Check Headphone jack
soldering condition.
Check the Front board
UIC01(micon -COM), UIC03(PT8300)
Check the AMP board
AQ50L,50R,AQ603
AQ 50L,50R,AQ 603
Emitter B+?
Is Mute selected?
Headphone Jack short?
UIC03(PT8300)pin17
Check the "H"?
Summary of Contents for MX-GA8
Page 33: ...2 1 Block diagram ...
Page 36: ...2 4 Front section ...
Page 37: ...2 5 Pirnted circuit boards Main board Power board ...
Page 38: ...2 6 Front board Trans board ...
Page 39: ... M E M O ...
Page 57: ...3 17 MEMO ...