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SECTION
3
DISASSEMBLY
Note:
Follow the disassembly procedure in the numerical order given.
REAR
CABINET
@ screw @ P2x 16
@ screw ) 2x 18
volume knob
@ screw 4) B2x6
¥
o
Note:
Pull the volume control
knob vertically.
rear cabinet
* Release the claws inside with pushing the
side of CABINET.
CHASSIS
.
chassis
epee,"
Note: When
installing,
put
the
positions
of
power switch and LIGHT switch together.
SECTION
4
ELECTRICAL ADJUSTMENTS
®@ Parts location diagram relevant
to the adjustment
T3
7401
T4
Ist IF
FM Tracking
Ist IF
Adjustment
Adjustment
Adjustment
T5
T202
RV401
2nd IF
2nd Local
FM Stereo
-
Adjustment
Adjustment
Adjustment
T7201
CT402
T7403
Ist Local
FM Tracking
FM VCO
Adjustment
Adjustment
Adjustment
@ AM SECTION
Ist LOCAL
ADJUSTMENT
Setup:
VOLUME control: as required
=
'a
(MAIN
BOARD]
ALA (SIDE B)
ad.
0420
VTVM
(DC range)
Procedure:
. Tune the set to AM 150 kHz.
1
2. Adjust T201 to obtain a 2.59 — 2.61 V on the VIVM.
3. Tune the set to AM 29.995 MHz.
4
. Confirm that the voltage reading on the VTVM is less than 12 V.
[MAIN
BOARD]
(SIDE
A)
RV201
3k Hz Step
Adjustment
ARV202
5kHz Step
Adjustment
T402
CT401
FM Tracking
FM Tracking
Adjustment
Adjustment
i
2nd LOCAL
ADJUSTMENT/3 kHz STEP/5 kHz
STEP ADJUSTMENT
Setup:
VOLUME control: as required
DCSV
frequency
counter
(MAIN
BOARD]
(SIDE A)
Procedure:
@®
2nd
LOCAL
ADJUSTMENT
1.
Tune the set to AM 153 kHz.
2.
Adjust T202 to obtain a 55.3899
— 55.3901
MHz on the fre-
quency counter.
@
3kHz
STEP
ADJUSTMENT
3.
Tune the set to AM 156 kHz.
4,
Adjust RV201 to obtain a 55.3849
—55.3851 MHz on the fre-
quency counter.
@®
5 kHz
STEP
ADJUSTMENT
5.
Tune the set to AM 1,620 kHz.
6.
Adjust RV202 to obtain a 55.850 MHz on the frequency
counter.
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