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Pioneer A-307R Service Manual

Pioneer A-307R
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Page #26 background image
A-307R, A-207R
26
No. Pin name I/O Function
24 P51/XCOUT I SPEAKER-A KEY input.
25
RESET
I Reset pin.
26 P30/INT0 I BACK UP detection pin. interrupt specification.
27 P31/INT1 I Not used.
28 P32/CNTR0 I REC selector input 1.
29 P33/CNTR1 I REC selector input 2. interrupt specification.
30 P40 O Volume DOWN data output.
31 P41 O Volume UP data output.
32 P42 I FUNCTION selector input 1.
33 P43 I FUNCTION selector input 2.
34 P0
0 I
WAKE UP input.
Key on wake up specification.
35 P01 O Not used.
36 P0
2 I
DIRECT KEY input.
Key on wake up specification.
37 P03 O Protection control pin.
38 P04 I Output error detection pin
39 P05 O MUTING control pin.
40 P0
6 I
LOUDNESS KEY input.
Key on wake up specification.
41 P07 O Not used.
42 P5
2 I TAPE2 KEY input.
No. Pin name I/O Function
1P53 I Remote control signal input pin.
2
P1
7/SRDY
O STB for TC9163N.
3P16/CLK O CLOCK for TC9163N.
4P15/SOUT O DATA for TC9163N.
5P14/SIN O CD INDICATOR.
6P13/T1 O TUNER INDICATOR.
7P12/T0 O PHONO INDICATOR.
8P11 O LINE INDICATOR.
9P10 O TAPE1 INDICATOR.
10 P27/IN7 O SPEAKER-A INDICATOR.
11 P26/IN6 O SPEAKER-B INDICATOR.
12 P25/IN5 O LOUDNESS INDICATOR.
13 P24/IN4 O Not used.
14 P23/IN3 O Not used.
15 P22/IN2 O DIRECT INDICATOR.
16 P21/IN1 O TAPE2 INDICATOR.
17 P20/IN0 O FUNCTION switch MUTE.
18 VREF I Pulls up to 5V.
19 XIN I 4.19MHz .
20 XOUT O Ceramic vibrating and connecting terminal.
21 VSS - Digatal GND.
22 VCC - Power supply +5V.
23 P5
0/XCIN I SPEAKER-B KEY input.
7. GENERAL INFORMATION
7.1 IC
7 PD5443A (FRONT R ASSY : IC601)
REMOTE CONTROL AMP MICROCOMPUTER
Pin Assignment (Top view)
The information shown in the list is basic information and
may not correspond exactly to that shown in the schematic
diagrams.
Pin Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
SR
STB
CLK
DATA
CD-IND
TU-IND
PH-IND
LI-IND
T1-IND
SPA-IND
SPB-IND
LOU-IND
NC
NC
DIR-IND
T2-IND
V
REF
X
IN
X
OUT
V
SS
F-MUTE
P5
3
P1
7
/S
RDY
P1
6
/CLK
P1
5
/S
OUT
P1
4
/S
N
P1
3
/T
1
P1
2
/T
0
P1
1
P1
0
P2
7
/IN
7
P2
6
/IN
6
P2
5
/IN
5
P2
4
/IN
4
P2
3
/IN
3
P2
2
/IN
2
P2
1
/IN
1
P2
0
/IN
0
V
REF
X
N
X
OUT
V
SS
T2
NC
LOUD
M-CTRL
P-DET
P-CTRL
DIRECT
NC
WAKE UP
FUNC2
FUNC1
V-UP
V-DOWN
RSEL2
RSEL1
NC
V
CC
P5
2
P0
7
P0
6
P0
5
P0
4
P0
3
P0
2
P0
1
P0
0
P4
3
P4
2
P4
1
P4
0
P3
3
/CNTR
1
P3
2
/CNTR
0
P3
1
/INT
1
P3
0
/INT
0
RESET
P5
1
/X
COUT
P5
0
/X
CIN
V
CC
BACK UP
RST
SPA
SPB

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Pioneer A-307R Specifications

General IconGeneral
BrandPioneer
ModelA-307R
CategoryAmplifier
LanguageEnglish

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