1-28
KD-LH1000
11
6
20
1
4
10
14
16
12
9
8
5
7
2
22
17
19
18
21
23
24
3
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
INRF
INRR
ST BY
Vcc 1/2
Vcc 3/4
OUT RF+
OUT RF-
GND
OUTRR+
OUTRR-
GND
REF
INLR
ON TIME
Muting &
ON Time Control
Circuit
Protective
circuit
Protective
circuit
Mute
circuit
Ripple
Filter
Stand by
Switch
+
+
0.22 F
2200 F
0.022 F
0.22 F
AC CONT1
+5V
ST ON
+
+
+
47 F
0.22 F
22 F
+
Mute 10K
+
3.3 F
OUTLF+
OUTLF-
Low Level
Mute ON
GND
OUTLR+
OUT LR-
GND
TA8273H (IC951) : Power amp.
1.Block diagram
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
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