Samsung SN-S082D Service Manual - Page 16

Focus Lock does not function properly., The Movement of Focus Lock, During the CD Read

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Focus Lock does not function properly. After inserting CD DISC, is the wave emitted like below from N 124 PIN(F00) of IC102? Change IC102 if it is normal after checking the soldering, GND, Power of IC102. Y Dose 14PIN of IC102 Power have 1.65V output? Y If the power of IC102 and GND, soldering is normal when you check, replace IC102. The Movement of Focus Lock During the CD Read 124PIN OF IC102 generates a waveform with upswing and downswing in VREF. The Pins Nos. 34,35PIN of IC609 generate a similar waveform. The P/U moves up and down. 14

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14
After inserting CD DISC, is the
wave emitted like below from
124 PIN(F00)
of
IC102?
124PIN OF IC102 generates a
waveform with upswing and
downswing in VREF.
The Pins Nos. 34,35PIN of
IC609 generate a similar
waveform.
The P/U moves up and
down.
Dose 14PIN of IC102 Power
have 1.65V output?
If the power of
IC102 and GND,
soldering is normal when you
check, replace
IC102.
Change IC102 if it is normal after
checking the soldering, GND,
Power of IC102.
Focus Lock does not function properly.
The Movement of Focus Lock
During the CD Read
N
Y
Y