Schematic Diagram - Pioneer GR-209 Service Manual

1
GR-209

3. SCHEMATIC DIAGRAM

3.1 MAIN BOARD ASSY
AC220-230V 50/60Hz
A
MYXCN1 TYPE
AC110/120-127/
220/240V 50/60Hz
SDXCN1
AC POWER
CORD
02360020-004
A
POWER PCB
B
C
D
A B C
6
1
2
MY: 01802093-570
SD: 01802093-460
SD Only
AC-2
J7
J6
250V/630mA
J5
05005020-063
J4
AC-1
POWER OFF/ON
(LINE OUTPUT MUTE)
OFF
SW1 : POWER OFF/ON
SW2 : EQUALIZER OFF/ON
2
3
POWER SUPPLY
R22
820/1W
-29
+29
R21
820/1W
C51
0.22µ/500V
EQUALIZER
ON
VR KNOB LED
B
JACK PCB
3
4
-12
+12
OFF / ON
GRAPHIC
EQUALIZER
ON/OFF
4
0
IC1B
LA64
0
6
B