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S1-14277(N)112
2. ELECTRICAL ADJUSTMENT
2-1. SERVO CIRCUIT ADJUSTMENT
.
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 Section 2-1-3. SWITCHING
POSITION ADJ.
When a cassette tape is loaded, auto-tracking will be set immediately
after starting the first playback. As this will deviate the
tracking center set, be sure to press the channel buttons (+) or (-) once directly after starting playback to prevent auto-tracking
from being set.
2-1-1.
TEST EQUIPMENT
AND STANDARDS
REQUIRED
Oscilloscope
Vertical sensitivity: 5 mV/DIV, external trigger
Band width: more than 10 MHz
Test Tape
VHJ-0009 or VHJ-0023: SP mode, monoscope, 6 KHz
Blank Tape
VHS-type cassette tape
Monitor TV
2-1-2. LOCATION OF ADJUSTMENT
POINTS
P1B11500C-SV2
I
o
I
IC301
a
Iclol
Q
o
'o
u
o
0
*
.,..
:....>
1
#
&
. . .
,.'
.,,
IC602
VR351
SW-P
,....,
:,.8.;
VR201
BIAS
:
......
u
%:
;
,....1
:-..,-:
::
:...:
IC20"
Icl11
VR104
c1
IC351
TP202
TP201
;-:
IC302 i ~
:!
::
VRI02
'Ev
,.:
0
/
TP102~E;'""Sr6?
IC161
a
........... ..
..: TP103 :...........0
:....: ..-., .....''.....
Tuner/lF/RF Conv.
~
v;;;;:
vR\#zR~i
OUT
Unit
......
CAR
PB-Y ~
CP-1 PWB (FOIL SIDE)
Fig.
2.1.1
-
--
–6–
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