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QQ
3 7 63 1515 0
See the adjustment location from on page 23 for the
adjustment.
TAPE SECTION
Tape Speed Adjustment
Procedure :
1. Put the set into the FWD PB mode.
test tape
WS-48A
(3 kHz, 0 dB)
set
Specification : Constant speed
Frequency counter
3,010 to 3,030 Hz
Adjustment Location : Capstan motor internal volume
DOLBY Level Adjustment
Setting :
Preset 3 (SHUF/;) button : Light down mark ;
TE
L 13942296513
test tape
P-4-D400
(400 Hz, 0 dB)
Procedure :
1. Put the set into the FWD PB mode.
2. Adjust RV100 (L-CH) and RV200 (R-CH) on main board so
that level meter reading is – 6 ± 0.5 dB (0.37 to 0.41 V).
Adjustment Location : See page 23.
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.
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0 dB = 0.775 V
frequency counter
10 kΩ
AUDIO OUT REAR
(See page 23)
(DOLBY OFF)
level meter
set
main board
TP-L
TP-R
x
ao
y
i
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8
TUNER SECTION
Cautions during repair
When the tuner unit is defective, replace it by a new one because
its internal block is difficult to repair.
Note on Adjustment
The adjustments of tuner section, should be performed according
to the following sequence.
1. FM Auto Scan/Stop Level Adjustment
2. FM Stereo Separation Adjustment
3. AM Auto Scan/Stop Level Adjustment
FM Auto Scan/Stop Level Adjustment
Setting :
SOURCE button
FREQUENCY SELECT switch : FM 200k
FM RF signal
generator
Carrier frequency : 97.9 MHz
Output level
Mode
Modulation
Q Q
3
6 7
1 3
Procedure :
1. Set to the test mode.
2. Push the SOURCE button and set to FM.
3. Push the preset 3 button.
4. Adjust with the volume RV2 on TU1 so that the "FM"
indication turns to "2" indication on the display window.
But, in case of already indicated "2", turn the RV2 so that put
out light "2" indication and adjustment.
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.
Adjustment Location : See page 23.
2 9
9 4
2 8
0 dB = 1 µV
: FM
antenna
terminal
0.01 µF
: 22 dB (12.6 µV)
: mono
: 1 kHz, 22.5 kHz deviation (30%)
1 5
0 5
8
2 9
9 4
Display
SHUF1
Display
PRESET
SHUF1
Display
m
PRESET
co
SHUF1
9 9
set
2 8
9 9
21
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