JVC KD-LH2000 Service Manual page 38

KD-LH2000
QQ
3 7 63 1515 0
TA8273H(IC951):Power AMP
1.Block diagram
INRF
+
0.22 F
AC CONT1
INRR
+
0.22 F
TE
L 13942296513
ST BY
+5V
ST ON
REF
+
47 F
INLF
+
0.22 F
AC CONT2
PRE GND
INLR
+
www
0.22 F
ON TIME
+
22 F
1-38
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11
1
12
Stand by
4
Switch
Ripple
10
Filter
15
25
13
14
x ao
y
Muting &
. i
ON Time Control
16
Circuit
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8
Vcc 1/2 Vcc 3/4
6 20
-
+
Protective
circuit
-
+
Q Q
3 6 7 1 3
Mute
circuit
-
+
Protective
circuit
-
+
u163
.
2 9 9 4 2 8
+
2200 F 0.022 F
OUT RF+
9
OUT RF-
7
GND
8
OUTRR+
5
OUTRR-
3
GND
1 5 0 5 8 2 9 9 4
2
Mute 10K
22
+
3.3 F
Low Level
Mute ON
OUTLF+
17
OUTLF-
19
GND
18
OUTLR+
21
OUT LR-
m
23
co
GND
24
9 9
2 8 9 9