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TD-V711 A/B/C/E/G/J/U
16] Main Adjustment
1. Measuring instruments required for adjustment
(1) Audio frequency oscilloator
(5)
Recording standard tape
(range:
50~20 kHz and output
OdB
with
6000
TS-9(UDI), TS-6(SA), TS-7(ME) or the like.
impedance)
(use standard tape specified by Victor)
(2) Attenuator (impedance 600 )
(6)
Resistors 600 Q (attenuator matching)
(3) Electronic voltmeter
(7)
Distortion gauge (band pass filter)
(4) Standard tape
(8) Torque gauge (cassette) CTG-N mechanical adjusting.
VTT712 (Tape speed, wow and flutter check)
(9) Wow and flutter gauge
VTT724
(reference level)
(10)
Frequency counter
VTT739
(for playback frequency characteristics)
(11)
M300 gauge
VMT6447
(music scanning)
TMT6448
(music scanning)
TMT702 (14 kHz)
2. Mechanical Adjustment
When replacing head, check the height, direction and tilt (rough adjustment) of each head as follows.
Tape travel adjustment
Use tool M300.
Be careful not to damage head.
Tape guide adjustment
Tilt adjustment
Reflector position
(guide post)
Reflector position
(guide post)
Guage moving direction Le
Fig. 6-1
Fig. 6-2
(No. 4294)
7
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