Pioneer S-FCRW230 Service Manual page 7

Charge balance and DC feedback
Power
AMP
D
6 7
Buff
Clip
Det.
Q55
DTA124EK
AC
ON/OFF
Mute
D
Speaker
E
Signal
feedback
AMP ASSY
A
: AWU7760
+
Ó
−
Ó
D15
G3SBA20L
E
34.5dBv
Total Gain
( 53 V )
+34.5dB
+84v
Over
Voltage
Detection
C13, C14
- 84v
Slow
168v
Start
FET
Thermal
Q21
Detection
IRF640
53dB ( 50Hz)
S-FCRW230
7