-28-
SCHEMATIC DIAGRAM - 5/10 (AMP SECTION)
D
G
S
D
G
S
Q614,628
Q613,627
SBT5551
Q615
AMP C.B
:AUDIO (PB) SIGNAL
T
O
MAIN C.B 1/3 CN605
MUTE
MUTE
MUTE
Q603,605,607,609
DIFFERENTIAL AMP
Q604,606,608,610
DIFFERENTIAL AMP
Q611,615
CURRENT TO VOLTAGE AMP
Q613,627
BIAS CIRCUIT
Q617,619
POWER AMP
Q623
OVERLOAD DET
Q624
OVERLOAD DET
Q618,620
POWER AMP
Q614,628
BIAS CIRCUIT
Q612,616
CURRENT TO VOLTAGE AMP
Q626,630
HOLD
Q685,687
DETECTOR
Q559,565
THERMAL DET
Q686
DETECTOR
Q683
+VH/+VL
SWITCHING
CIRCUIT
Q684
+VH/+VL
SWITCHING CIRCUIT
C609
100P
50V J CH
C610
100P
50V J CH