TANDBERG 62 series Service Manual

January 1967
TA ND B E R G T A PE .R EC O R DE R
Models 64x and 62x
Alignment instruction
for
heads and electronics
Preface
The models 64x and 62x are improved versions of
has been introduced to improve the frequency re-
the earlier models 64-62 and this alignment instruc-
sponse and the signal to noise ratio.
tion is an appendix to the service manual for model
The oscillator has been redesigned and fully transis-
64:-62. lt covers the special head alignments and
torized. Certain minor changes have been introduced
electrical adjustments necessary for model 64x and
in the equalization circuits, mainly changes of com-
62x.
ponent values. A microswitch is further introduced
i n t h e b i a s c i r cu i t t o r e d uc e t h e b i a s i n 1 . 7/ e i . p . s .
The models 64x and 62x have the same operation
tape speed. This switch is operated automatically by
facilities as 64-62. A new, and separate bias head the speed selector mechanism. See fig. 3.
Ti.^d.{*..q
r=r=rErlEr/
TA N D B E R GS
RA DIOFAB RIKK
A/ S OSLO NOR WAY