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CLC-AICC
7
•
•
"
13
79
Adju.lmenl nlm.
Fine centering adjustment
Crosstalk
check
and
Till
onset
adjustment
Adju
l
tment point
Tilt base
Centeri ng
adjustmen
t
screw
FTSB
assembly
VR610
MNauring
~ulpment
and Jigi
·
Oscilloscope
· STD - 901
or
8TD
-902
·
TV
mo
nitor
·
GGVtOO3
M
...
uremenl point
CN807
X :
<!pin
(TRK
ERR)
Y
:
<D+O>in
(TRK
SUM)
Crosstalk
check screen
Player
oondltlon
• Test mode
TRK
servo
OFF
Ti ll servo ON
·
lonarmos!
track 01
STO
-
901 or
SID
-
902
which does
not
come
in
contact
with
the mechanical
stopper.
•
Test
mode
TRK
servo ON
Tilt
servo
ON
•
GGV1003
#\15
STILL
When the crosstalk
is
stil
l
noticeable
in
spite
of
the adjustmenl in (8),
use
a
he
~
a90nal
wrench
dri\l8r (straigh
t
type,
size
:
3
mm)
to adjust the TAN adjustment scraw
on the bottom
side
of
the
player throug
h
the
GGVI
003 '-115
STILL
screen.
Aft_ards,
periOfm
the adjustment procedu
res
from
(7).
FCS Balance
adjustment
(3)
RF level
MAX.
FC
S
servo
loop
gain
adjustment
TRK
servo
loop gain
adjustment
FCS
SUM le\l8l check
RF
le\l8l
adjustment
FTSB assembly
VR606
FTSB assembly
VA604
FTSB assembly
VR603
FTSB
assembly
VR609
FTSB
assembly
VR601
·
Oscilloscope
,
GGVlOO3
• Oscil loscope
·
GGVI003
,
AF
Osci
ll
ator
·
Resi
stOf (47kn)
,
Oscill
oscope
,
GGVI003
·
AF
OsciliatOf
, ResJ
stor
(47kO)
,
Oscilloscope
·
GGVlOO3
·
Oscil loscope
·
GGVlOO3
CNB07
aPin
(RF)
CN807
X
:ct:f>in(FCSIN)
Y
:
®=,in
(FCS
ERR)
CN807
X :
~
i
n (TRK
IN)
Y :
liPin (TRK
ERR
)
CN807@'in(FCSSUM)
CN807ilP
in
(RF)
·
Test
mode
TRK servo
ON
Ti
lt
servo
ON
· Test mode
TRK servo ON
Tilt servo ON
•
GGVI003
#
15,OOOSTiLL
·
Test
mode
Stop
mode or
TRK
servo
ON
Tilt servo
ON
·
GGVtOO3
# 15,OOOSTILL
• Test mode
TRKGservo
ON
Ti lt servo ON
• GGVI003
#
15,oooSTILL
•
Test
mode
TRK
servo ON
Ti
ll
servo
ON
· GGVI003
# I
5,000 STill
Adjullmenl procedure
Perform
fine
centering adjustment by
foll
owing the same procedu re as in
'Coarse centering
adju
stment"
(2).
1.
Search lor address
115
01
GaVt
003
and
still the
address.
2.
Check
the
crosslal k.
11
the
crosstalk
is
pronou nced, adjust VRS' a until
the
crosstal
k
is
nOl
noticeable.
1. Connect the
CHI
of oscilloscope to CN807
-
3Pin and check
the
RF
waveform
during
TRKG
servo is ON.
2.
Adjust VA60S
so
that the
RF
waveform
become
MAX.
I. Search
lor
address 15,000
of
GGVI003
and still
the
address.
2.
Xch
Connect the
resistor
(47
kO)
to
the channel
and
con neCllO FCS
IN
Ych
Connect to
FCS ERR.
3.
Connect the
AF
osci llator
between Xch and
the 47
kO resistor,
and adjust
VR604 until
the
lissajous'figure
is
symmetrical.
t
.
Xch
:
Connect
the
47
k!l
resistor to channel and connect
to TRK
IN.
Ych
:
Connect
to
TRK
ERR.
2.
Conr.ect
the
AF
oscil lator between Xch
and the
47 kO
resJstor
and
note
the
ti
lt
angle against
the
horizon
wi
th the
disc
in the
stopped
state.
3. Search for address 15,000 of
GGVI 003 and still
the
address.
4.
Set the disc
in PLAY
mode
(TR
K
servo
closed, TiLTon)
.
Adjust
VR603
so
that
the WI
ang le of th6
waveform will be
Ihe
same as the
tilt
angle
noted in
step 3.
Adjust
VR609 SO that the
voltage
of
CN807
-lfiPin
become 1.8
V
±O.1
V
DC.
I
.
Search for address 15,000 of GGVI003 and still the
address
.
Observe
AF
al CHI of
the
osc
il
loscope.
2
Adjust
VR60
1
until
the RF
amplitude
is
300 mV
±50
mV
p
-
p.
W
.....
form
and connection diagram
,
lOOmVI
.....
~
,
"""'\tId
..
~
-
Gl
CN807
(10"
•
t
Rt«RR
g
9
, " ,
, 0
~TO"-'
2=-1
,
,~
'<9
,
L2?!:J
,,0
"
/
~~
--
I
I
o
0
~
l
11
1
~:~-
..
",,,,,
r,,,,
0
0
--
.--
••
"
W#~\NM
I
~"
CN807
iii'K~
"0'1.
y
~".
0
--~
61
y-
l.1""
.
'<Wo·o
J,
~
_
FCS
EM
17'\(.D------[f---~
CN807
,
' O"W
IO"
H
Z",.OCIO"
~-
CN807
f
10·'1
I
10
"
,10
I)
"'
,
(
2)---------[)-~.~
'
__
~
r
10
"
-
.... "
. .
~
.
Og<o- .
..
- . . , . .
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