HCD-SHAKE7
19
MOTHERBOARD Mount Diagnosis Flow (1/2)
PLAY MUSIC
Is there audio output from MOTHERBOARD Board? Checks 3V output of CN1 2pin(P-CON).
Is the power voltage OK?
Checks 13.5V output of CN1 5pin.
Is the power voltage OK?
Checks 3V output of CN1 1pin(V-CON)
Is the power voltage OK?
Checks 56.5V output of CN1002 6pin (+VH)
and -56.5V output of CN1002 1pin (-VH).
Is the power voltage OK?
Checks OUT terminal -17.5V output of REG IC1014
Or, Checks GND and OUT Terminal with Tester.
Is it shorted out?
Reinserts the cable or Exchanges.
If there are no problems, Checks P-CON
Output of MOTHERBOARD Board side.
Reinserts the cable or Exchanges.
If there are no problems, Checks output of
Switching regulator Board.
Reinserts the cable or Exchanges.
If there are no problems, Checks Output of
V-CON Output of MOTHERBOARD Board side.
Reinserts the cable or Exchanges.
If there are no problems, Checks output of
Switching regulator Board.
Checks circumference circuit of REG IC1014.
If there are no problems, exchanges IC1014.
A
B
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Checks OUT terminal -29.5V output of REG IC1015
Or, Checks GND and OUT Terminal with Tester.
Is it shorted out?
Checks OUT terminal -44.5V output of REG IC1016
Or, Checks GND and OUT Terminal with Tester.
Is it shorted out?
No
No
No
No
No
Checks circumference circuit of REG IC1015.
If there are no problems, exchanges IC1015.
No
Checks circumference circuit of REG IC1016.
If there are no problems, exchanges IC1016.
No
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