Dual CC 8035 Serviceanleitung Seite 3

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Tuning Instructions for CC 8035
Signal source Equipment Signal source setting Connection of Item to be tuned Tuning, Remarks
setting measuring instrument
1) Azimuth deck 1+2 lift of cover over cassette slot
Test cassette Dolby: OFF 10 kHz AF voltmeter Azimuth screw Use laquer to fix at maximum
Normal: ON to OUTPUT to left of the head
2) Tape speed deck 1+2 Attention: Adjust low speed first.
Test cassette Normal: ON 3150 Hz Frequency counter deck 1 VR 702 3150 Hz
to OUTPUT deck 2 VR 703
deck 1 VR 701 TP Hi Speed to Earth 4750 Hz
deck 2 VR 704
3) Playback level deck 1+2
Test cassette Normal: ON 400 Hz AF voltmeter deck 1VR101L 500 mV
Dolby-level Dolby: OFF to OUTPUT VR 101R
deck 2 VR 201 L
VR 201 R
4) Recording level deck 2
AF voltmeter
to OUTPUT
400 Hz
approx. 80 mV
AF generator Dolby: OFF
to INPUT Record: ON
control max.
left/right Metal: ON
5) RF premagnetization
AF generator Dolby: OFF 10 kHz AF voltmeter Record level 50 mV
j to INPUT | Record: ON | approx. 80 mV | to OUTPUT | control max. | |
left/right Metal Tape —2dB
basic setting 50 mV (during play)
VR 603 50 mV (during play)
VR 602
Check the recording level again after setting the premagnetization.
If it deviates (oy more than 1 dB), repeat tuning, recording level and RF premagnetization. |
6) RF oscillator .
Metal Record: ON Frequency counter L 601 approx. 105 kHz
Cassette Metal: ON to CND 601
7) RF trap
Metal Record: ON AF voltmeter L 603 L/R Minimum
Cassette Metal: ON TP 6L/R
8) 19 kHz pilot-signal filter |
AF generator Record: ON 19 KH AF voltmeter L301 L/R Minimum
| to INPUT | Metal: ON | approx. 80 mV | to OUTPUT | | |
Record: ON AF voltmeter to L 602 L/R Minimum
IC 601 Pin 6+13
ALIGNMENT LOCATION FOR CC 8035
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LY) VR 401L
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Record Level
Deck 2
VR 401R
\
TP 6L
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TP 6R
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L 601.
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L 301L
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Playback
Si VR 2011 |
@
TP Hi Speed
VR 704
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Hi-Speed
VR 701
Deck 1
CG) VR 101R
/
Hi-Speed
Low-Speed
Deck. 2
Deck 1
—
-- bert
more trebles
more level
mehr Hdhen
+ =
mehr Pegel