12-1
POWER AMPLIFIER BOARD
TABLE OF CONTENTS
LM3886 & UPC1237 Internal Block .............................. 12-1
Components Voltages .................................... 12-2
Circuit Diagram .............................................................. 12-3
Electrical parts list .......................................................... 12-4
LM3886 INTERNAL BLOCK
12-1
uPC1237 INTERNAL BLOCK
1
2
3
4
5
6
7
8
9
10
11
+
-
LM3886
OUTPUT
V+
NC
NC
NC
V+
V-
GND
MUTE
V
IN
-
V
IN
+
Overload detector
Output Offset detector
Flip-flop
Switch for latch/automatic - reset
AC - OFF detector
Rela
y dr
iv
er
Vcc ON
mute
uPC1237
1
2
3
4
5
6
7
8
Vcc
GND
Содержание MX-1050D
Страница 16: ...4 1 4 1 SET BLOCK DIAGRAM MX10 Block Diagram dd wk124 4 ...
Страница 17: ...4 2 4 2 SET WIRING DIAGRAM ...
Страница 29: ...7 2 TUNER CIRCUIT ...
Страница 35: ...DVD MAIN BOARD TOP VIEW 9 2 9 2 DVD MAIN BOARD BOTTOM VIEW ...
Страница 36: ...9 3 9 3 DVD CIRCUIT 1 ...
Страница 37: ...9 4 9 4 DVD CIRCUIT 2 ...
Страница 38: ...DVD CIRCUIT 3 9 5 9 5 ...
Страница 39: ...DVD CIRCUIT 4 9 6 9 6 ...