Trouble Shooting Guide
1
2
3
4
5
6
7
8
9
1
Front
&
Tuner Section
2
3
4
5
6
7
8
9
AC cord in
Yes
Power ON/OFF ON
Yes
Yes
no
no
VFD Display
Function command
no
Yes
1.Check IC707(MCU IC) of 44/45/46/47/48pin
2.Check SW701/SW702/SW703/SW704/
SW705/SW706/SW707/SW708/SW709/
SW710/SW711/SW712/SW713/SW714
SW715/SW716/SW717/SW718/SW719.
Function LED light
no
1.Check CN700 of 10pin:5V
2.Check LD705/LD706/LD707/LD709/
LD710/LD711/LD712/LD713/LD714/
LD715
Yes
1.Check CN700
2.Check IC701 of 33pin/40pin:3.3V
3.Check IC707(MCU IC) of 32pin:(main power on)
1
.Check CN702
2.Check FD701(VFD)
3.Check IC701(SC16315)
Summary of Contents for NC-8112E
Page 3: ...Safety Precautions 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9...
Page 4: ...1 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 Safety Precautions 1...
Page 19: ...3 3...
Page 21: ...4 4 Wiring Diagram Only NC 8112E Model...
Page 22: ...4 4 Wiring Diagram Only NC 8114E NC 8115E Model...
Page 23: ...4 4 Wiring Diagram Only NC 8117E Model...
Page 24: ...5 5 Block Diagram Only NC 8112E Model...
Page 25: ...5 5 Block Diagram Only NC 8114E NC 8115E Model...
Page 26: ...5 5 Block Diagram Only NC 8117E Model...
Page 27: ...6 6 Schematic Diagram FRONT TUNER Section...
Page 28: ...7 7 Schematic Diagram MP3 CD Section...
Page 29: ...6 6 Schematic Diagram MAIN Section Only NC 8112E Model...
Page 30: ...6 6 Schematic Diagram MAIN Section Only NC 8114E NC 8115E Model...
Page 31: ...6 6 Schematic Diagram MAIN Section Only NC 8117E Model TI POWER...
Page 32: ...6 6 Schematic Diagram SMPS Section Only NC 8112E Model...
Page 34: ...6 6 Schematic Diagram SMPS Section Only NC 8117E Model...
Page 35: ...7 7 P C B Pattern Layout FRONT Section Top View...
Page 36: ...7 7 P C B Pattern Layout FRONT Section Bottom View...
Page 37: ...7 7 P C B Pattern Layout TUNER Section Top View...
Page 38: ...7 7 P C B Pattern Layout TUNER Section Bottom View...
Page 39: ...7 7 P C B Pattern Layout MP3 CD Section Top View...
Page 40: ...7 7 P C B Pattern Layout MP3 CD Section Bottom View...
Page 41: ...7 7 P C B Pattern Layout MAIN Section Only NC 8112E Model Top View...
Page 42: ...7 7 P C B Pattern Layout MAIN Section Only NC 8112E Model Bottom View...
Page 43: ...7 7 P C B Pattern Layout MAIN Section Only NC 8114E NC 8115E Model Top View...
Page 44: ...7 7 P C B Pattern Layout MAIN Section Only NC 8114E NC 8115E Model Bottom View...
Page 45: ...7 7 P C B Pattern Layout MAIN Section Only NC 8117E Model Top View...
Page 46: ...7 7 P C B Pattern Layout MAIN Section Only NC 8117E Model Bottom View...
Page 47: ...7 7 P C B Pattern Layout SMPS Section Only NC 8112E Model Top View...
Page 48: ...7 7 P C B Pattern Layout SMPS Section Only NC 8112E Model Bottom View...
Page 49: ...7 7 P C B Pattern Layout SMPS Section Only NC 8114E NC 8115E Model Top View...
Page 50: ...7 7 P C B Pattern Layout SMPS Section Only NC 8114E NC 8115E Model Bottom View...
Page 51: ...7 7 P C B Pattern Layout SMPS Section Only NC 8117E Model Top View...
Page 52: ...7 7 P C B Pattern Layout SMPS Section Only NC 8117E Model Bottom View...
Page 57: ......
