Schematic Diagram - Pioneer GM-222 Service Manual

1
GM-222

3. SCHEMATIC DIAGRAM

Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS
A
LIST".
A
MOTHER PCB
SPEAKER INPUT LEVEL
10/50
10/50
L
B
R
L
R
C
B
ISOLATOR PCB
SIGNAL ROUTE
: AUDIO SIGNAL
D
A B
6
1
2
UC model only
C851, 852
UC : 100P
ES, EW : 470P
-15
REGULATOR
AMP UNIT
Consists of
MOTHER PCB
ISOLATOR PCB
2
3
SWITCHING REGULATOR
3
4
MUTE
THERMO-DETECTION
4