JVC KD-LX330R - Page 30

KD-LX330R/KD-LX110R
1-30
11
6
20
1
4
10
15 25
13
14 16
12
9
8
5
7
2
22 17
19 18
21
23 24
3
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
IN 1 IN 2
ST BY
Vcc 1/2 Vcc 3/4
OUT 1+ OUT 1- PWR GND1 OUT 2+ OUT 2- PWR GND2
R.F
IN 3 IN 4
PRE GND
ON TIME C
Muting &
ON Time Control
Circuit
Protective
circuit
Protective
circuit
Mute
circuit
Ripple
Filter
Stand by
Switch
N.C
TAB
Mute OUT 3+ OUT 3- PWR GND3 OUT 4+ OUT 4- PWR GND4
LA4743K (IC941) : Power amp
1.Block diagram
2.Terminal layout
3.Pin function
TAB
GND
OUTRR-
STBY
OUTRR+
VCC1/2
OUTRF-
GND
OUTRF+
RIPPLE
INRF
INRR
SGND
INLR
INLF
ONTIME
OUTLF+
GND
OUTLF-
VCC3/4
OUTLR+
MUTE
OUTLR-
GND
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
SymbolPin No. Function
Header of IC
Power GND
Outpur(-) for front Rch
Stand by input
Output (+) for front Rch
Power input
Output (-) for rear Rch
Power GND
Output (+) for rear Rch
Ripple filter
Rear Rch input
Front Rch input
Signal GND
Front Lch input
Rear Lch input
Power on time control
Output (+) for rear Lch
Power GND
Output (-) for rear Lch
Power input
Output (+) for front
Muting control input
Output (-) for front
Power GND
Non connection
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
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