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TD-V711 A/B/C/E/G/J/U
Head position
Use M300
gauge and adjust so that playback
head is in front of recording head.
Other standards are as follows.
The measurements are as against guide
post (H).
a=3.1~4.0
Playback
{¢7
3149
Guide Post
MS
a=4.4~5.1mm
b=0.05~0.35
d=0.2~0.3
mm
9=0°
E Head
R Head}ip B Head
d
Bend and adjust head base so that a is
within 4.4~5.1
mm
at MS.
al
Adjusting part -| =
Head position
adjustment
Adjust screw ®) so
that playback head is
"'b'' measurement
in
front
of
recording
head.
[re-adjust
playback,
recording azimuth after
adjusting @).1
Excessive
Insufficient
Bend in # direction
("]
Bend in $ direction
Ht
After this adjustment, check Item
.
Controls clearance between head base and door
safety when door safety is pulled in the direction
of the arrow at STOP.
Checkling door safety
Head base
Door safety lever
3. Electric Circuit Adjustment Location
Main Amplifier Base (parts side)
Playuback F
special adjustment O VRI01
Playback level [vrioz
adjustment
'
'Record/Playback bias
Playback F
' frequency Sdjustment
special adjustment Dyvrz02
Playback level (yvrzo1
VR903
adjustment
adjustment
Note:
The record a 1 kHz,
— 20 dB signal is reference
VR401
level
(— 8 dBs)
level, so
oO Rech | Record/Playback
— 20 dB is fow level.
Ctch
sensitivity adjustment
i
Ref.
Record/
level
20 dB
Papecial
H
t
— 20 dB
wo
a
(oom &
O
z
o
6
F
'
i)
{901 C35!
Meter adjustment
AMP
P.C. Board
Fig. 6-3
(No. 4294)
9
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