JVC KD-LX300 Service Manual page 31

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LA4743K (IC941) : Power amp
3 7 63 1515 0
1.Block diagram
2.Terminal layout
TE
L 13942296513
3.Pin function
Pin No. Symbol
1 TAB
2 GND
3 OUTRR-
4 STBY
5 OUTRR+
6 VCC1/2
7 OUTRF-
8 GND
9 OUTRF+
10 RIPPLE
11 INRF
12 INRR
13 SGND
14 INLR
15 INLF
16 ONTIME
17 OUTLF+
18 GND
19 OUTLF-
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20 VCC3/4
21 OUTLR+
22 MUTE
.
23 OUTLR-
24 GND
25 NC
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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
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y
Output (+) for front
Muting control input
i
Output (-) for front
Power GND
Non connection
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2 9
8
Q Q
3 6 7 1 3 1 5
Function
co
.
KD-LX300/KD-LX100
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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