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Playback
Level
Adjustment
Procedure:
Mode:
FWD
playback
test
tape
P-4-L300
(315
Hz,
OdB)
DECK:-A side RV321 (L-CH), RV421 (R-CH)
DECK-B side RV331 (L-CH), RV431 (R-CH)
so that the specifications are satisfied.
Zz
DOLBY
OUT(TP301)
DOLBY
OUT level: 0.38 to 0.42V
(-6.2 to —5.2dB)
level difference between the channels:
within 1.0dB
Record
BIAS
Current
Adjustment
Procedure:
l.
Mode:
record
AF
OSC
blank tape
ce
C$-122
O
attenuator
Oo—O
oll
OOo
[ ee
|
CO
I) 315Hz } (- 24,608)
2) LOkHz
2.
Mode:
playback
VTVM
—
set
|
ao
OUT (TP301)
Procedure:
l.
Mode:
record
AF
OSC
blank tape
)
Csa28
O
attenuator
y,
Ooo
1146090 0
CD
315Hz,
(Standard
input)
~,
Mode:
playback
—->
set
DOLBY
OUT
(TP301)
Play back
the recorded
in step 1.
If the specification
is not
satisfied, adjust RV341
(L-CH), RV441
(R-CH) and repeat steps
1 and
2,
DOLBY
OUT
level: 0.45
to 0.36V
(—4.7
to
~6.7dB)
FM
SECTION
FM
Discriminator
Alignment
(NULL
Check)
Setting:
EE : East European model
FM
RF
signal
generator
FM
ANTENNA
terminal
Carrier frequency
: 98MHz:EXCEPT EE model
70MHz : EE model
Modulation
: IkHz,
75kHz deviation
Qutput level
: ImV (60 dB)
VOM
(OC
range)
wa
CNPIO1
O
|
Procedure:
1.
Push the TUNING (+, —) button for 98 MHz:EXCEPT EE model
or 70 MHz:EE model.
2.
Adjust IFT101.for OV reading on the VOM.
Note: FM tuned indication lighting level adjustment should be
made
after
FM
discriminator
alignment.
FM
Tuned
Indication
Lighting
Level
Adjustment
BAND
select
switch:
FM
1.
Qutput 324V
(30 dB), 98 MHz:EXCEPT EE model or 70 MHz:
EE model from FM RF signal generator.
2.
Adjust
RV101
so that the LCD
|TUNED|
light up.
AM
SECTION
Setting:
BAND selector switch:MW,
LW or SW
loop antenna
AM ff signal
deals
LAYOUT-FREE
antenna
Cd
Leedhes
set
30%
armplitude
modulation
by
400H7z
signal
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