Sony Walkman MZ-RH1 - Page 40

40
MZ-RH1
IC681 SN74LVC541ARGYR
8
15
16
10
14
13
12
11
9
6
7
4
2
3
1
VCC
G2 Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
GND
A8 A7
A6
A5
A4
A3
A2
A0
A1
20 19 18
17
5
IC682 SN74LVC547ARGYR
SELECT
111
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND
8
V CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC608 XC6213B152NR
CE
1
VSS
2
VIN4
VOUT3
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE