Pioneer SC430 Service Manual page 14

1
FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL
PARTS LIST".
Large size
A
SCH diagram
A-a A-a A-b A-b
A-a
A-b Guide page
Detailed page
A-a A-b
B
C
D
A
14
1
2
A
MAIN UNIT
MAIN SUB
ANTENNA
ANTENNA
2 2
1 1
FM DIVERSITY
4 1
2 5
3 6
91K
FM AM
RDS DECODER
AM FM
2
3
B
FM/AM TUNER UNIT
FM 30% 400Hz : -27.9dBs
AM 30% 400Hz : -16.0dBs
LOOP FILTER
TUNER CONTROLLER
FM AM
AM AM
TUNER MUTE
AM AM
R056
R068
FM
FM
2R2K
4 1
3 6
2 5
2 5
3
3 6
4 1
5
R068 2R2K
CD 0dB 1kHz : +2.1dBs
Q
CN702
3
4
A-a
FM : -43.4dBs
AM : -20.6dBs
CD : +1.8dBs
TAPE : -8.24dBs
MIXING AMP
2 2
3 3
4 4
5 5
1 1
TAPE MUTE
AM FM
CD MUTE
1 4
5 2
6 3
FM AM
AM NOISE CANCELER
AM AM
FM
22K
FM
15K
2 2 2
3 3
4 4 4
5 5
1 1 1
15K
22K
TAPE 250nwb/m 315Hz : -7.24dBs
4
FM : -13.5dBs
AM : -12.6dBs
CD : +3.3dBs
TAPE : -4.1dBs
2
4
1
SYSTEM MUT
3
2
1
5
4
6
N
CN251