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General Information - Pioneer A-207 MLXJ Service Manual

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A-207

7. GENERAL INFORMATION

7.1 IC
7 PD5443A (FRONT R ASSY : IC601)
¶ ¶ ¶ ¶ ¶ REMOTE CONTROL AMP MICROCOMPUTER
¶ ¶ ¶ ¶ ¶ Pin Assignment (Top view)
¶ ¶ ¶ ¶ ¶ Pin Function
No. Pin name I/O
1
P5
I
Remote control signal input pin.
3
2
O
STB for TC9163N.
P1
/S
7
RDY
3
P1
/CLK
O
CLOCK for TC9163N.
6
4
P1
/S
O
DATA for TC9163N.
5
OUT
5
P1
/S
O
CD INDICATOR.
4
IN
6
P1
/T
O
TUNER INDICATOR.
3
1
7
P1
/T
O
PHONO INDICATOR.
2
0
8
P1
O
LINE INDICATOR.
1
9
P1
O
TAPE1 INDICATOR.
0
10
P2
/IN
O
SPEAKER-A INDICATOR.
7
7
11
P2
/IN
O
SPEAKER-B INDICATOR.
6
6
12
P2
/IN
O
LOUDNESS INDICATOR.
5
5
13
P2
/IN
O
Not used.
4
4
14
P2
/IN
O
Not used.
3
3
15
P2
/IN
O
DIRECT INDICATOR.
2
2
16
P2
/IN
O
TAPE2 INDICATOR.
1
1
17
P2
/IN
O
FUNCTION switch MUTE.
0
0
18
V
I
Pulls up to 5V.
REF
19
X
I
4.19MHz .
IN
20
X
O
Ceramic vibrating and connecting terminal.
OUT
21
V
-
Digatal GND.
SS
22
V
-
Power supply +5V.
CC
23
P5
/X
I
SPEAKER-B KEY input.
0
CIN
26
1
P5
SR
3
2
P1
/S
STB
7
RDY
3
P1
/CLK
CLK
6
4
P1
/S
DATA
5
OUT
5
P1
/S
CD-IND
4
IN
6
P1
/T
TU-IND
3
1
7
P1
/T
PH-IND
2
0
8
P1
LI-IND
1
9
P1
T1-IND
0
10
P2
/IN
SPA-IND
7
7
11
P2
/IN
SPB-IND
6
6
12
P2
/IN
LOU-IND
5
5
13
P2
/IN
NC
4
4
14
P2
/IN
NC
3
3
15
P2
/IN
DIR-IND
2
2
16
P2
/IN
T2-IND
1
1
17
P2
/IN
F-MUTE
0
0
18
V
V
REF
REF
19
X
X
IN
IN
X
20
X
OUT
OUT
21
V
V
SS
SS
Function
The information shown in the list is basic information and
may not correspond exactly to that shown in the schematic
diagrams.
P5
T2
42
2
41
P0
NC
7
P0
LOUD
40
6
P0
M-CTRL
39
5
P0
P-DET
38
4
P0
P-CTRL
37
3
P0
DIRECT
36
2
P0
NC
35
1
P0
WAKE UP
34
0
P4
FUNC2
33
3
32
P4
FUNC1
2
P4
V-UP
31
1
P4
V-DOWN
30
0
P3
/CNTR
RSEL2
29
3
P3
/CNTR
RSEL1
28
2
P3
/INT
NC
27
1
1
P3
/INT
BACK UP
26
0
0
RESET
RST
25
24
P5
/X
SPA
1
COUT
P5
/X
23
SPB
0
CIN
V
V
22
CC
CC
No. Pin name I/O
24
P5
/X
I
SPEAKER-A KEY input.
1
COUT
25
I
Reset pin.
RESET
26
P3
/INT
I
BACK UP detection pin. interrupt specification.
0
0
27
P3
/INT
I
Not used.
1
1
28 P3
/CNTR
I
REC selector input 1.
2
0
29 P3
/CNTR
I
REC selector input 2. interrupt specification.
3
1
30
P4
O
Volume DOWN data output.
0
31
P4
O
Volume UP data output.
1
32
P4
I
FUNCTION selector input 1.
2
33
P4
I
FUNCTION selector input 2.
3
WAKE UP input.
34
P0
I
0
Key on wake up specification.
35
P0
O
Not used.
1
DIRECT KEY input.
36
P0
I
2
Key on wake up specification.
37
P0
O
Protection control pin.
3
38
P0
I
Output error detection pin
4
39
P0
O
MUTING control pin.
5
LOUDNESS KEY input.
40
P0
I
6
Key on wake up specification.
41
P0
O
Not used.
7
42
P5
I
TAPE2 KEY input.
2
1
0
Function

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