Dual CC 8025 Serviceanleitung Seite 3

Tuning Instructions for CC 8025
L+R
Recording level Deck 2
500 mV Play Level Deck 1
VR1O1E +)
(+) VR 101R
LEFT/RIGHT Metal: ON
Metal tape VR 401 L+R 500 mV (during play)
RF premagnetization
L3O1L
VR 401L
Rec. Level
=
Check the recording level again after setting the premagnetization.
If it deviates (by more than 1 dB), repeat tuning, recording level and RF premagnetization.
Play-Level Deck 2
gel/ HGhen, Level/ trebles
VR sou (+)
(+) VR 201R
+ Pe
RF oscillator
°
Be
7
Cassette Record: ON
AF voltmeter L 602 Minimum
Metal: ON
to TP 6 L+R L+R
)
- z z
19-kHzpilot-signal filter
f of & gs (+)
: = i
AF generator Dolby: OFF 400 Hz
AF voltmeter Record level control | 500 mV
'C)) p 3
to INPUT
Record: ON approx. 80 mV to OUTPUT
maximum (at 400 kHz)
3 e 3
LEFT/RIGHT
Fe tape 19 kHz
[|
3 z
L301 L+R Minimum (at 19 KHz)
a
=
5
N
=
Zz
O
VR601L
[S] Dj te6t
+ L602L (Cj TP6R
(+) [9] cnt2o1R[__|
—Y— +
L602R
Metal HF
VR 601R
Hi Speed Low Speed
wa)
CNT 601
VP602 VR603
HF Fe HFCro2
VR 701 + }vr702
Exthinguishing voltage
31
Léschspannung
N
xq
Ad
wn
°
4
%
12) Metal ca.