JVC TD-V711 Service Manual

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

JVC TD-V711 Specifications

General

Brand	JVC
Model	TD-V711
Category	Cassette Player
Language	English