Description Of Major Ics - JVC MX-J300 Service Manual

Description of major ICs

BA15218 (IC302,IC303) : OP AMP.
OUT1 1
-IN1 2 -
1
+IN1 3
+
GND 4
BA3126N (IC401) : R/P Switch
1 2 3
TA8409S (IC703,IC851,IC852) : Motor driver
1.Pin layout
1
IN2
2
VCC
3
OUT 2
4
GND
5
GND
6
VS
7
OUT 1
8
VR
9
IN1
TA8409S
8 V
CC
7 OUT2
6 -IN2
-
2
5 +IN2
+
C O N T .
4 5 6 7
2.Pin function
INPUT OUTPUT
IN1
IN2 OUT1
0
0
1
0 H
0 1 L
1
1 L
8 9
MODE
OUT2 MOTOR
STOP
L CW/CCW
H CCW/CW
L BRAKE
MX-J300
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