Sony HCD-SHAKEX3 / HCD-SHAKEX7 Service Manual ▷ View online
HCD-SHAKEX1/SHAKEX3/SHAKEX7
25
Optical Block Diagnosis Flow (1/2)
Does Optical pickup move to inner circumference?
(Visual check)
Yes
Yes
No
Checks CL335 for +3.3V and +1.2V REG IC303.
Does it output the power voltage of 3.3V and 1.2V?
Checks CN401 SL+/SL- signal.
Does it output the signal?
Does Spindle motor rotate?
(Visual check)
Yes
Does Optical pickup do focus search?
(Visual check)
No
Checks IC303 circumference circuit for +1.2V.
Checks IC002 (JL040) circumference circuit for +3.3V.
Yes
A
No
No
No
No
No
Checks circumference circuit for SL+/SL- of IC401.
Checks circumference circuit of IC301 FMO Signal.
REMOVE S
ID
E
PANEL
REMOVE TOP P
ANEL
TURN ON
TRA
Y IN
The Sled motor has a problem.
Replaces BU.
Checks CN401 SP+/SP- signal.
Does it output the signal?
The Spindle motor has a problem.
Replaces BU.
Checks circumference circuit for SP+/SP of IC401.
Checks circumference circuit of IC301 DMO Signal.
Checks CN302 FCS+/FCS- signal.
Does it output the signal?
The Optical pickup has a problem.
Replaces BU.
Checks circumference circuit for FCS+/FCS- of IC401.
Checks circumference circuit of IC301 FOO Signal.
Yes
Yes
Yes
Ver. 1.1
HCD-SHAKEX1/SHAKEX3/SHAKEX7
26
Optical Block Diagnosis Flow (2/2)
Does laser diode become luminous?
(Visual check)
Is output level of RF signal JL317 up to standard?
RF Level = 1.05
±
0.45 Vpp
Test disc (CD: YEDS-18, DVD: HLX-503 (NTSC) or HLX-504 (PAL))
Is there no problem with Long term Aging Test (60min)?
Confirms that there is no sound skip.
END
No
No
Checks JL306 (LD780) signal.
Does it output 2V when laser become luminous?
Checks circumference circuit of Q402.
Checks circumference circuit of IC301 LDO1.
The Optical pickup has a problem.
Replaces BU.
DISC IN
No
A
Is output level of RF signal JL317 up to standard?
RF Level = 1.05
±
0.45 Vpp
Test disc (CD: YEDS-18, DVD: HLX-503 (NTSC) or HLX-504 (PAL))
Replaces BU if it is not up to standard.
No
No
If it is not up to standard,
Lens cleaning is performed.
The Optical pickup has a problem.
Replaces BU.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Ver. 1.1
HCD-SHAKEX1/SHAKEX3/SHAKEX7
27
4CH DAMP
/ MOTHERBOARD Mount Diagnosis Flow (1/2)
PLA
Y MUSIC
Is there audio output from 4CH DAMP Board?
MOTHERBOARD Board
4CH DAMP Board
Checks 13V output of CN001 1pin(Main ON).
Is the power voltage OK?
Checks 3V output of CN001 8pin(Main ON).
Is the power voltage OK?
Checks +62.5V output of CN1001 10pin(+VH),
-62.5V output of CN1001 2pin(-VH) and -45.5V
output of CN1001 1pin -45.5V.
Is the power voltage OK?
Checks OUT terminal -50.5V output of REG IC1005.
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 IC1005.
If there are no problems, exchanges IC1005.
A
B
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No
Ver. 1.1
HCD-SHAKEX1/SHAKEX3/SHAKEX7
28
4CH DAMP
/ MOTHERBOARD Mount Diagnosis Flow (2/2)
END
Checks OUT Terminal 7V output of REG IC1006 or
,
checks GND and OUT
T
erminal with
Tester
.
Is it shorted out?
Assembles into the unit again then, checks
whether there is the audio output from
4CH DAMP Board.
Checks circumference circuit of REG IC1006.
If there are no problems, exchanges IC1006.
Checks circumference circuit of REG IC1007.
If there are no problems, exchanges IC1007.
Replaces 4CH DAMP Board
Replaces 4CH DAMP Board
A
B
Yes
Yes
Yes
Yes
No
No
No
No
Checks OUT
T
erminal -7V output of REG IC1007 or,
checks GND and OUT
T
erminal with
Tester
.
Is it shorted out?
Leave 4CH DAMP Mount to a state of it only
and, checks Power
Audio Driver (MOSFET) with T
ester
.
Is it shorted out? (Refer to Page 29.)
4CH DAMP Board
Ver. 1.1
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