NJU72751 (AUDIO/VIDEO : U3219)
No. Symbol
Function
No. Symbol
Function
1
V+
Power )
17 CLOCK
IC control clock input
2
ADR0
Address selection pin 0
18 NC
-
3
InA1
Ach input1
19 OutB4
Bch output4
4
InB1
Bch input1
20 OutA4
Ach output4
5
NC
-
21 NC
-
6
InA2
Ach input2
22 OutB3
Bch output3
7
InB2
Bch input2
23 OutA3
Ach output3
8
NC
-
24 REF_B
Bch reference potential
9
NC
-
25 REF_A
Ach reference potential
10 InA3
Ach input3
26 OutB2
Bch output2
11 InB3
Bch input3
27 OutA2
Ach output2
12 NC
-
28 NC
-
13 InA4
Ach input4
29 OutB1
Bch output1
14 InB4
Bch input4
30 OutA1
Ach output1
15 REF
BIAS reference potential
31 ADR1
Address selection pin 1
16 DATA
IC control data input
32 V-
Power supply(-)
6
1
1
17
32
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
66