3-10
ELECTRICAL TROUBLESHOOTING GUIDE
4. SYSTEM PART
Power On
It works properly.
Check IC104.
Replace X100.
Check CN800.
Replace IC100 R5F100GEAFB
Check Q800.
LED blinking
at the front?
NO
Main Board
Front Board
NO
NO
NO
IC100
3.3V_MICOM, 3.3 V
OK?
X100
20.000 MHz
OK?
Work properly
CN800 Pin1?
YES
YES
YES
YES
Summary of Contents for SoundPlate LAP340
Page 14: ...1 13 8 After update display jig and main set will be power off ...
Page 19: ...1 18 MEMO ...
Page 21: ...2 2 MEMO ...
Page 23: ...2 6 2 5 MEMO MEMO ...
Page 25: ...2 8 MEMO ...
Page 53: ...3 38 3 37 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Page 55: ...3 42 3 41 2 LED P C BOARD 3 KEY P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW ...