EasyManua.ls Logo

Dual C 818 - Service Adjustment Procedures; Tape Transport and Speed Calibration; Playback and Recording Level Calibration; Oscillator and RF Circuit Calibration

Dual C 818
16 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Abgleichanleitung
C 818
.
Adjustment
instructions C 818
Signalquelle
Sjgnal source
Einstellung Signalquelle
Signal
source
adjustmenl
Einstellung
Gerät
Unit adjustment
l\ileßgerät-Anschluß
Testgear
connection
Abgleichposition
Adjustment
position
Abgleich,
Bemerkung
Adjustment,
Bemarks
Bandlauf.Tape Run
Spiegelkassette
Mirror cassette
Schrauben
A u.
B
Screws
A a. B
Bandlauf
prüfen
Check
tape run
Tape Sensor
N,4eßkassette 2
Test cassetie 2
Play Forward: ON
DC-Voltmeter an
DC-vo tmeter
to
rP 2
(R
518)
VR 50] 1,0-1,5VDC
Bandzug
.Tape
Tension
Bandzugmeßkassette
Torque Meter cassette
Play Foruuard: ON
VR 502 55
+
5
p/cm
Bandgeschwindigkeit
.
Tape Speed
Meßkassette
l
Test cassette l
31 50
Hz
PLay Forward: ON
Frequenzzähler
an
Frequency counter
to
OUTPUT
UR
Steller Motor
lvlotor screw
3150 Hz,
-
0,5 %
Azimut
.Azimuth
l\,4eßkassette
21
Test cassette 21
1O
kHz
Play Foruuard: ON
NF-Vo
tmeter an
AF-voltmeter
to
Output
L,/R
Azimutschraubre
F
Azimuth screw F
Maximum
mit Lack sichern
Lock
wth Lacquer
Play Reverse: ON
Azimutschraube R
Azimuth
screw
R
Wiedergabepegel
.Pla'
,ack
Level
l\,4eßkassette
21
Test cassette 2l
400 Hz Dolby
Dolby B: ON
NF-Voltrneter
an
AF-vollmeter
to
OUTPUT
L,/R
VR 101
VR ]01
560
mV
Oszillator, HF'Sperrkreis
.
Oscillator,
RF-trap
IEC lV-Kassette
IEC lV-cassette
Met: ON
Record: ON
Frequenzzähler
an
Frequency
counter to
rP 4
(R
307)
T 300 105kHz+1kHz
NF-Voltmeter
an
AF-voltmeter
to
rP7
TP8
L 102
| 1A2',
Mlnimum HF
lvlinimum RF
Aufnahmepegel
.
Record Level
NF-Generator
an
AF-generalor to
INPUT
UR
40A Hz
ca. 150 mV
BASF
S
4592 A
IEC II
Cr: ON
Record: ON
NF-Voltmeter an
AF-votmeter to
OIJTPUT L,/R
Becord L-ove 560 mV OUTPUT UR.
0db LED N/leter
VB 102
vR 102',
560
mV
HF-Vormagnetisierung
.
RF-Magnetic-Biasing
Cr: ON
Record; ON
NF-Votmeter
an
AF-voltmeter
to
TP 5
(R
120)
TP
6
(R
120')
VR 103
vR 1 03'
Vorpegel ca, 60 mV
Pre Level appr, 60 mV
NF-Generator
an
AF-generator
to
INPUT
UR
400 Hz, 10 kHz
100 mV
BASF S
4592 A IEC II
NF-Voltmeter an
AF-vo tmeter to
OUTPUT YR
Record Level 56 mV OUTPUT L/R
VR 103
VR 1 03'
Bel Wiedergabe muB der 10
kHz
Pegel
dem
400 Hz Pegel
entsprechen.
Mehr Höhen
:
gegen
den
Uhrzeigers
nn
drehen.
Adjust to levei symmetrie on
playback
test frequency,
at treble emphasis:
trrrn ooLrnter clockwise
Meßkassette 1: Gleichlaufkassette 3150
Hz
Meßkassette 2:
Schwarzes
Leergehäuse
ohne Vorlauf- und
l\ilagnetband
MeBkassette
21: 4OAP'z Dolby-Pegel,20O
nWb/m
4OO Hz
-
20 d8, 10 kHz
-
20
dB
Bezeichnung: VR
'103
:
lrnker Kanal
VR 103'= rechter Kanal
Test cassette
1 : Tape speed
test
casselte
31 50 Hz
Test cassette
2: Empty back cassette housing
wlthout
Leader- and magnetlc tape
Test cassette
21 4OO Hz
Doby-Level, 200 nwb/m
400 Hz- 20 dB,
1
0
kHz
-
20
dB
Signification:
VR 103
=
left channel
VR
103'= right channel
Bandsoften:
IEC BASF
LH
Super
I
IEC ll BASF Cr Super
ll
IEC IV TDK I\IA
2

Related product manuals