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i
3502 S11(N)
2-2. SERVO CIRCUIT ADJUSTMENT
o
These adjustments should be carried out upon completion of the tape transport adjustments.
If the tape transport adjustments
(except the tilt adjustment) are carried out after these adjustments,
follow the procedures
again in Item 1 SWITCHING
POSITION ADJ.
" Unless otherwise specified, all test point and adjustment location on the CP-1 board.
—
Jo.
—
1
—
Item
SWITCHING
POSITION
Input
Alignment
cassette
(VHJ-0009
VHJ%0231
Mode
PLAY
Point
VIDEO
OUTPUT
TP1OI
RF SW
pulse
TP183
(Video pre-
amp unit)
Location
VR351
Remark
W25SO01
Video signal
7654321
—
v sync
1.
2.
Press the tracking control (+) (-) buttons si-
multaneously to the tracking center position
(Display in the indicator panel "T —:— ").
Adjust VR351 so that the phase of the lead-
ing edge of the vertical sync signal is delayed
6.5 * 0.5 H from the rise of the RF switching
pulse waveform.
CN201
TP211@
TP2120
o
IC301
CN302
~-.------_-------
,
i-_____ -_-__ --_J
@
VR201
. . .' BIAS
F IC602
,1~--y
------------
,
,1,
,
TP102
VR101 :-+
PB-Y
@+-.------
i..
II
Iclol
:
II
VR103 ,---1:
It
,
II
CAR
@Jo. _ ------
__:
II
lJ
V--I VR102
VR1~:~~'P103
'.?; EE
r ----= I
,1
DEV
-------------
-----------
4
TM-5 OSA
I
I
IRF
[
I
~-_---_.-.----------
.
\
conv. ~
1
,
~-----
---------
-1
Tuner
!
I
~
--------------------
J
L---
__ ---_
--—--i
.--- _---=
~------m
L-------l
L_-__-A
Fig. 2-2-1 CP-1 board (Foil side view)
P13s047
~
—4—
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