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KA22291 (JIC1) : Cassette amp.
100K
PBOUT(2)
24
RECORD
Vcc
16
LREF
PLAYBACK
Vcc
17
LREF
REC GND
9
PB OUT(1)
1
100K
KA3082 (SIC4) : Bi-directional DC motor driver
1.Pin layout
2.Pin function
Pin No.
Symbol
1
GND
2
V
O1
3
V
Z1
4
V
CTL
5
V
IN1
6
V
IN2
7
SV
CC
8
PV
CC
9
V
Z2
10
V
O2
3.Block Diagram
1
GND
PB
R/P
MUTE
NF(2) PR IN(2)
SW
23
22 21
8
N.F
PRE
INPUT
REC.BIAS
PB.BIAS
MODE CONTROL
/BIAS CIRCUIT
INPUT
PRE
NF
2
3
4
5
7
PU
PB IN(1)
A/B
PB GND
NF(1)
SW
KA3082
GND
O1
Z1
L
IN1
V
V
V
V
V
CT
1
2
3
4
5
6
I/O
-
Ground
O
Output 1
Phase compensation
-
I
Motor speed control
I
Input 1
I
Input 2
-
Supply voltage ( Signal )
-
Supply voltage ( Power )
-
Phase compensation
O
Ooutput 2
2
3
4
V
V
V
Z1
CTL
O1
MUTE
(IN2) ALC RECOUT(2)
SW
20
19
18 15
ALC
DET
6
10
MUTE
REC
IN(1)
OUT(1)
PV
IN2
CC
Z2
O2
SV
V
V
CC
7
8
9
10
Function
DRIVER OUT
PRE DRIVER
LOGIC SWITCH
TSD
5
6
7
SV
V
V
CC
IN1
IN2
MX-G68V/MX-G65V
100K
N.F
14
REC NF(2)
PRE
INPUT
REC IN(2)
13
12
REC IN(1)
INPUT
PRE
REC IN(1)
11
N.F
100K
8
9
10
PV
V
V
CC
Z2
O2
1-37
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