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;
9900Z/8900ZDB/790
|
FEED SIGNAL
MEASURE
STEP|
SUBJECT
Seoul
aa
eet
ADJUST
| ADJUST FOR
REMARKS
3. | Distortion
98 MHz ANT Input
Sameas
| RECOUTL+<h
|dT1
Min. THD
Adj.
65 dBf (59.8 dB)
above
(F-3300)
In case of SG
FM SSG
STEREO
Pilot 19 kHz (9% MOD)
L Mode 1 kHz + Pilot
(100% MOD)
98 MHz ANT Input
Same as
REC OUT L-ch
65 dBf (59.8 dB
above
Connect VTVM
FM SSG
& Scope
Pilot -19 kHz (9% MOD)
L Mode Sub 1 kHz
REC OUT R-ch
|dVR3
Max. Output
Read the output level
4.
| Separation
of REC OUT
Adj.
Min, Output
Confirm
Pilot (100% MOD)
Connect VTVM_ | (F-3300)
(Confirm output
| R-ch->L-ch
STEREO SG
& Scope
Jevel should be
less than —40 dB
of L-ch output
level)
5. | Muting level
98 MHz ANT Input
Same as
STEREO
dVR4
STEREO
Adj.
15 dBf (9.8 dB) FM SSG | above
Indicator
(F-3300)
Indicator turns on
Pilot 19 kHz (9% MOD)
or Output signal
Sub 1 kHz + Pilot
comes out
(100% MOD)
STEREO SG
2
a
—
a
6.
DOLBY
FM
98 MHz ANT Input
Same as
REC OUT L-ch
| VRO1
Output Jevel
DOLBY
FM
Adj.
65 dBf (59.8 dB
above
VTVM
(F-2688)
560 mV
DECODER Switch
(8900ZDB
100 Hz (100% MOD)
---ON
Only)
FM SSG
REC OUT R-ch
| VRO2
Same as above
VTVM (100k2/V)
VTVM
(F-2688)
Fig. 4-1
|
x EB) avra
dT1
aca
cee) avAs
as
act pag, aVRt
oo
|
@ jen D
=
—f.
eVR1
:
[oars
H
dics Ya)
|
dVR2
I
|
dVR3
dic4
|
@
re
]
its]
|
F-3300
R82
ce
\
dR83
red
Fig. 4-2
Fig. 4-3
'
VRO2
VRO1
(=)
F-2688
(=)
{
TD6301P
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