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Subjective Function Checks:
It is imperative that the correct accessory is used as indicated in the tests.
Accessory
Mains Unit 680
Microphone GDM 754 *
Footcontrol 535
526 with
cable 528
Handcontrol 541
Headset GDH 556
GDH 560
GDH 561
Steno Cassette 30
Connecting Socket
ac9V~
©
[|]
4
&
a) Without cassette, without microphone, LS switch on
Operating Control
ON/OFF Switch
ed
Fast Forward Button
Fast Rewind Button
44
Start
»
Stop
Eject button
b) With Cassette, with microphone (for 2601 prerecorded tape)
Telephone- */Erase Button
\/x
End of Letter Button *
tt
Index Button *
el |
Search/Rew. button
44] / 44
Search/F.F. button
[>> / >>
Function/Preparation
Depress ON
Depress OFF
Depress
Depress
Depress
Depress
Depress
Depress together with
rewind button
Microphone in record stop.
Cassette woundto 1'.
Press end of letter button.
Microphone in playback stop.
Cassette woundto 2'.
Press index button.
Microphone in playback start.
Wind cassette onto 3'.
Press search button together
with rewind button.
Microphone in playback start.
Wind cassette to 0'.
Press search button together
with fast forward button.
Order-No.
G.GY 4015
G.GY 2901
G.GW
1004
G.GW 0904
G.GQ 2112
G.GH 0602
G.GT 0902
G.GX 1102
G.GH 0705
Reaction
Button locks in
ON LED illuminates
Button unlocks
R.H. Clutch rotates for
about 2"
L.H. Clutch rotates
R.H. Clutch rotates for
about 1"
Clutch stops
Cassette compartment opens
Record LED illuminates
Cassette is erased during
rewind mode
Record LED illuminates
The presence of a rattling
sound can be heard from
the loudspeaker.
The cassette is driven. The
end of letter tone is recorded
for approx. 2".
The index tone can be heard
through the loudspeaker. The
cassette is driven.
The index tone is recorded for
approx. 2".
Search LED illuminates
Cassette Is rewound. Index
tone (2') is not identified. End
of tape signal (1') is identified.
Casseite is driven in start
setting. The rattling tone is
heard.
Cassette is wound forwards.
The end of letter tone (1')
is identified.
Part-No.
72/00-000.63
72/00-000.61
37204-025.00
37202-025.00
37300-001.00
37110-556.89
19117-560.89
19117-561.89
Fault Reckoning
ON/OFF Switch
Motor
Commutation
FF and Servo solenoid
Direction of rotation
Fiy-wheel
Direction of rotation
Fly-wheel
Motor electronics
LW = Mechanics
Voltage to erase head
Motor
Circuit board — signal path
Motor
Circuit board — signal path
Motor
Circuit board — signal path
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