Schematic Diagram -5/10 (Amp Section) - Aiwa XR-FD55 Service Manual

SCHEMATIC DIAGRAM - 5/10 (AMP SECTION)
AMP C.B
MUTE
MUTE
MUTE
Q626,630
HOLD
D
G
Q683
S
+VH/+VL
SWITCHING
CIRCUIT
Q684
+VH/+VL
SWITCHING CIRCUIT
D
G
S
Q603,605,607,609
DIFFERENTIAL AMP CURRENT TO VOLTAGE AMP
C609
100P
50V J CH
C610
100P
50V J CH
Q604,606,608,610
DIFFERENTIAL AMP
Q685,687
DETECTOR
Q686
DETECTOR
-28-
Q611,615 Q613,627 Q617,619 Q623
BIAS CIRCUIT POWER AMP OVERLOAD DET
Q613,627
Q615
SBT5551
Q614,628
Q624
OVERLOAD DET
Q618,620
POWER AMP
Q614,628
BIAS CIRCUIT
Q612,616
CURRENT TO VOLTAGE AMP
Q559,565
THERMAL DET
:AUDIO (PB) SIGNAL