Sony HCD-SHAKE33 - Page 26

HCD-SHAKE33/SHAKE77 26
DAMP / MOTHERBOARD Mount Diagnosis Flow (HCD-SHAKE33/SHAKE77) (1/2)
PLAY MUSIC
Is there audio output from DAMP Board?
MOTHERBOARD Board
DAMP Board
Checks 13V output of CN001 1pin(Main ON).
Is the power voltage OK?
Checks 3V output of CN001 6pin(Main ON).
Is the power voltage OK?
Checks +62.5V output of CN1000 10pin(+VH),
-62.5V output of CN1000 2pin(-VH) and -49V
output of CN1000 1pin (-49V).
Is the power voltage OK?
Checks OUT terminal +50.5V output of REG IC1002
Or, checks GND and OUT Terminal with Tester.
Is it shorted out?
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
Main ON 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 IC1002.
If there are no problems, exchanges IC1002.
A
B
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No