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HCD-SHAKE5/SHAKE6D
20
Optical Block Diagnosis Flow (1/2)
Does Optical pickup move to inner circumference?
(Visual check)
Yes
Yes
No
R652: 1.2V
Check voltage supply to MTK IC306
R653/R654: 3.3V
Checks CN901 SL+/SL- signal.
Does it output the signal?
Does Spindle motor rotate?
(Visual check)
Yes
Does Optical pickup do focus search?
(Visual check)
No
Check condition of transistor Q203, V
E
§9
C
§9
Check IC303 for 3.3V.
If there is no problem, check circumference circuit of IC260
(
Switching regulator
) for 3.3V.
Check IC302 (LDO IC) for 1.2V.
Yes
A
No
No
No
No
No
Checks circumference circuit for SL+/SL- of IC902.
Checks circumference circuit of IC306 FMO Signal.
Yes
Yes
Yes
REMOVE T
O
P
PANEL
REMOVE S
ID
E
PANEL
REMOVE CDM TOP P
ANEL
TURN ON
TRA
Y IN
The Sled motor has a problem.
Replaces BU.
Checks CN901 SP+/SP- signal.
Does it output the signal?
The Spindle motor has a problem.
Replaces BU.
Checks circumference circuit for SP+/SP of IC902.
Checks circumference circuit of IC306 DMO Signal.
Checks CN901 FCS+/FCS- signal.
Does it output the signal?
The Optical pickup has a problem.
Replaces BU.
Checks circumference circuit for FCS+/FCS- of IC902.
Checks circumference circuit of IC306 FOO Signal.
Summary of Contents for HCD-SHAKE5
Page 85: ...MEMO HCD SHAKE5 SHAKE6D 85 ...