KD-S743R/KD-S741R
(No.49810)1-29
• Pin layout
• Pin function
TAB
GND
FR-
STDBY
FR+
VP1
RR-
GND
RR+
RIPPLE
INRF
INRR
SGND
FLIN
RLIN
DNTIME
RL+
GND
RL-
VP3
FL+
MUTE
FL-
GND
NC
Pin No. Symbol Function Pin No. Symbol Function
1 TAB Header of IC 14 FLIN Front Lch input
2 GND Power GND 15 RLIN Rear Lch input
3 FR- Outpur(-) for front Rch 16 ONTIME Power on time control
4 STDBY Stand by input 17 RL+ Output (+) for rear Lch
5 FR+ Output (+) for front Rch 18 GND Power GND
6 VP1 Power input 19 RL- Output (-) for rear Lch
7 RR- Output (-) for rear Rch 20 VP3 Power input
8 GND Power GND 21 FL+ Output (+) for front
9 RR+ Output (+) for rear Rch 22 MUTE Muting control input
10 RIPPLE Ripple filter 23 FL- Output (-) for front
11 RRIN Rear Rch input 24 GND Power GND
12 FRIN Front Rch input 25 NC Non connection
13 SGND Signal GND
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
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