JVC KD-S721R Service Manual

1-29
KD-S723R/KD-S721R
Vcc Vcc
Input
See Function Table
1A
2A
3A
4A
1C
2C
3C
4C
1Y
2Y
2Y
3Y
4Y
Output
Output
Output
Output
Sample as Load Circuit 1
Sample as Load Circuit 1
Sample as Load Circuit 1
Note) CL includes probe and jig capacitance
1k
1k
S1
CL
Input
Note) H:High level
L:Low level
X:Irrelevant
Z:Off(High-impedance)
State a 3-state input
Output
C
L
H
H
A
X
L
H
Y
Z
H
L
1
2
3
4
5
6
7
1C
1A
1Y
2C
2A
2Y
GND
VU
4C
4A
4Y
3C
3A
3Y
14
13
12
11
10
9
8
HD74HC126FP-X (IC801) : Buffer
1.Terminal layout
2.Block diagram
3.Pin function
8
7
6
5
4
3
2
1
V
+
B OUTPUT
B INPUT
B INPUT
A INPUT
A INPUT
A OUTPUT
-
V
-
+
+
-
NJM4565M-WE (IC581) : Ope. amp
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

JVC KD-S721R Specifications

General

Brand	JVC
Model	KD-S721R
Category	Car Receiver
Language	English