Samsung RCD-2600 Service Manual page 52

3. DISC NOT ROTATING
Sasa x
led - in
Check voltage at pin 33
of IC 7530 (high — low)
Check voltage at
pint4 of IC 8309
x
Check oscillation of
IC 5990 (16MHz)
Check focusing
x
Check laser (on) }—> Check voltage at pinS x Check soldering and
of IC 9201 pattern of Q 701
fe}
Check voltage at Check soldering of Replace pick up
pin23 of IC 7530 pick-up laser diode
(high)
"Ht L
Check voltage at . , | Check soldering of "FOK"
pin35 of IC 8309 of IC 8309, IC7201
(SV)
°o
Check voltage of
"SP +", "SP —" of IC 7777
—s1—