6. USB PART
Turn on USB
YES
YES
YES
YES
Check connector CON107.
Check CON107
pin2, 3 (D+, D-) signal.
Check IC801.
OK
Check power supply circuit
USB +5 V.
Check IC801 pin41, 42 (D+, D-).
Check IC700 circuit
Normal.
NO
NO
NO
NO
NO
Check
"CHECKING" or "USB"
display.
Check reading OK.
If play,
audio output
check
NO
YES
3-8
ELECTRICAL TROUBLESHOOTING GUIDE
Summary of Contents for CM1530
Page 11: ...1 10 MEMO ...
Page 13: ...2 2 MEMO ...
Page 15: ...MEMO MEMO ...
Page 17: ...A60L A60R 3 SPEAKER SECTION CMS1530F ...
Page 46: ...3 41 3 42 2 MAIN P C BOARD TOP VIEW ...
Page 47: ...3 43 3 44 MAIN P C BOARD BOTTOM VIEW ...
Page 48: ...3 45 3 46 3 DISPLAY P C BOARD 4 USB P C BOARD 5 IPOD P C BOARD TOP VIEW BOTTOM VIEW ...
Page 49: ...3 47 3 48 MEMO MEMO ...