19
TROUBLESHOOTING
18
TROUBLESHOOTING
3-1. LINE 1
3-2. LINE 2
If you selected Audio2 in
menu
Check the Pin19 in P301 or Pin8 in
IC310
YES
YES
The rest procedure is same as the
case of Audio1
Check the Audio On key. You can see the audio mark on the screen.
If you selected Audio1 in menu
YES
NO
NO
YES
YES
Check the Pin13 in P301 or Pin3
in IC310
Check the Pin2,4,9 in IN310 or
The Pin 19 in IC305.
Check the Pin 3 in IC305
Or pin 15 in P301.
Check the C382,R341,R340
Check the C416, R347, R348
3-3. MIC
3. AUDIO
If you selected MIC in menu
Check the Pin13 in P301 or
Pin3 in IC310
YES
NO
NO
YES
YES
Check the Pin5 in IC309
Check the Pin7 in IC309,
You can find the amplified MIC
signal
YES
Check the Pin1 in IC310
Check the Pin2,4,9 in IN310 or
The Pin 19 in IC305.
Check the Pin 3 in IC305
Or pin 15 in P301.
Check the C382,R341,R340
Check the C416,R347,R348
Summary of Contents for DX-N111N
Page 12: ...20 SCHEMATICS 1 CONNECTION DIAGRAM 3 0 COMBO...
Page 13: ...21 SCHEMATICS 2 BLOCK DIAGRAM...
Page 14: ...22 SCHEMATICS 3 FRONT SCHEMATIC DIAGRAM S A 3 0 COMBO...
Page 15: ...23 CIRCUIT DIAGRAM 4 JACK SCHEMATIC DIAGRAM...
Page 16: ...24 CIRCUIT DIAGRAM 5 POWER SCHEMATIC DIAGRAM...
Page 17: ...25 6 SYSCON SCHEMATIC DIAGRAM CIRCUIT DIAGRAM...
Page 18: ...26 CIRCUIT DIAGRAM 7 VIDEO AUDIO SCHEMATIC DIAGRAM...
Page 19: ...27 CIRCUIT DIAGRAM 8 CODEC SCHEMATIC DIAGRAM...
Page 20: ...28 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 1 VCR MAIN...
Page 21: ...29 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 2 POWER...
