JVC KD-S743R Service Manual

KD-S743R/KD-S741R
1-30 (No.49810)
4.3 LA6579H-X (IC561) : 4-Channel bridge driver
• Pin layout & Block diagram
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
FR
FR
VIN1
VIN1-B
VIN1+B
S-GND
VIN1-S
W
MUTE
VREFIN
VCCS
3.3VREG
REGIN
VIN2G
VIN2
VIN3G
VIN3
FR
VIN1-A
VIN1+A
VCCP1
VO+
VO-
VO2+
VO2-
VO3+
VO3-
VO4+
VO4-
VCCP2
VIN4
VIN4G
FR
+
-
+
-
+
-
[H]
[L]
VIN1_SW
[H]: OP-AMP_A
[L]: OP-AMP_B
33k
11k
Signal system
power supply
All outputs ON/OFF
H : ON
L : OFF
MUTE
Level shift
Level shift
Power system GND
Signal system
power supply
3.3VREG
(External:PTP Tr)
+
-
Power system
GND
Level shift
Level shift
+
-
33k
11k
+
-
+
-
+
-
11k
33k
33k
11k
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-S743R Specifications

General

Brand	JVC
Model	KD-S743R
Category	Car Receiver
Language	English