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Samsung RCD-750 - Page 30

Samsung RCD-750
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6-2.
CD
section
6-2-1.
No
disc
error
x
Check
voltage
at
PIN
40
of
NIC9220
O
Check
voltage
at
pin8
of
NIC
9220
(high--
low)
oO
Check
focusing
Check
oscillation
of
NIC
9282
Check
voltage
at
PIN
70
of
NIC
9220
Check
soldering
and
pattern
of
NQ
1
Check
soldering
of
x
:
pick-up
laser
diode
heres
nop
Check
laser
(on)
Check
Voltage
of
u-com
FOK
oy
Check
soldering
of
"FOK"
of
NIC
9220
Check
‘
2
wave-form
(H
—
L—H)at
pin
33
us
|
saa
Kalaered
a
|
of
NIC
9220
P
Check
voltage
at
pin
11
(SP+),
pin
12(SP-)
of
NIC
9258
-29-
RCD-750

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