Schematic Diagram - Pioneer CD-PC1 Service Manual

1
CD-PC1

3. SCHEMATIC DIAGRAM

3.1 PCB UNIT
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS
LIST".
A
RS-232C
B
AC ADAPTER 9.8V,2A
C
D
A
6
1
2
A
PCB UNIT
CN1
1
6
2
7
3
8
4
9
5
CN2
D17 ERA15-02
9.8V
2
3
RS-232C LINE DRIVER/RECEIVER
UPD4721GS
R13
1K
11
RIN2
12 RIN1
13
DOUT2
14
DOUT1
15 VCHA
16
STBY
17
VSS
18
C4-
20 C4+
Q1
DTC114EK
3
4
5V
IC1
3
VCC
10
ROUT2
9
ROUT1
DIN2 8
7
DIN1 1/50
6
C5-
5
C5+
4
C1-
2
C1+
1
VDD
GND
C9
19
1/50
Q3
9.2V 2SB1132
R8
10K
Q4
2SC3928A
Q2
R6
10K
4
C8
5