JVC KD-SX925R - Page 22

KD-SX979R/KD-SX925R
KD-SX924R/KD-SX909R
2-19
11
1
12
4
10
15
25
13
14
16
24
23
21
18
19
17
22
2
3
5
8
7
9
206
+
-
-
+
+
-
-
+
+
-
+
-
+
-
+
-
IN 1
TAB
IN 2
ST BY
R.F
IN 3
N.C
PRE GND
IN 4
ON TIME
PWR GND4
OUT 4-
OUT 4+
PWR GND3
OUT 3-
OUT 3+
MUTE
PWR GND2
OUT 2-
OUT 2+
PWR GND1
OUT 1-
OUT 1+
VCC3/4
VCC1/2
LA4743B (IC301) :Power amp
Muting &
on time control
circuit
Protective
circuit
Mute
circuit
Ripple
filter
Stand by
switch
Protective
circuit
1 2 3 4 5 6 7 8 910111213141516171819202122232425
TAB GND1 OUTFR+ STBY OUTFR- VCC1/2 OUTRR+ GND2 OUTRR- VREF INRR INFR SGND INFR
INRL ONTIME OUTRL+ GND3 OUTRL- VCC3/4 OUTFL+ MUTE OUTFL- GND4 NC
1.Terminal layout
2.Block diagram