12
1.4.3 USB mode Analyze
Step 2
Power ON
use surverung
instruments to check
voltage
measure voltage
whether correct
fixed question:
check power circuit
NO
use oscilloscope to
measure X2 whether correct
shock
YES
fixed question:
check crystal circuit
NO
LCD Display
whether correct
fixed question:
check LCD / MPU/
CPLD...ect circuit
NO
YES
fixed question:
check USB relate circuit
USB Mode
whether correct
YES
NO
YES
finish repair
Summary of Contents for CC0
Page 10: ...6 1 3 Component Package U3 SIN 0002A U2 39SF010 70...
Page 11: ...7 U1 GLT44016 28J4 U7 2310700003...
Page 12: ...8 U2 CY7C68300A U5 24LC02N U9 U10 74CBT3384A...
Page 13: ...9 U8 APL1117 3 3V U11 BA17805 5V Q3 Q5 2SB1427 Q6 Q7 2SD1898 Q2 Q4 2N3904 Q1 2N3906...
Page 23: ...Confidential Alesis Service Manual 8 31 0142 A ALESIS CD TWIN CC0 SCHEMATIC AND PCB FILES...
Page 31: ...26 3 4 Key Parts of CD RW and CD ROM Assy MP 715 ASSY M 226 ASSY...
Page 33: ...Confidential Alesis Service Manual 8 31 0142 A ALESIS CD TWIN CC0 ECN HISTORY...
Page 34: ...Confidential Alesis Service Manual 8 31 0142 A ALESIS CD TWIN CC0 BOM...