Sony TC-377 Service Manual page 16
Stereo tapecorder
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Also See for TC-377:
- Owner's instruction manual (16 pages) ,
- Owner's instruction manual (20 pages)
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10. Record Head Phase Check
11. Trap Coil Adjustment
Control/Switch Setting:
Control/Switch Setting: .
TAPE SELECT switch:
NORMAL
TAPE SELECT switch:
NORMAL
TAPE SPEED selector:
7% ips (19 cm/s)
TAPE SPEED selector:
7% ips (19 cm/s)
MONITOR switch:
TAPE
|
_
MIC RECORD
LINE RECORD
VOLUME control:
MIN
VOLUME
control:
See page 16
x
:
(fully counterclockwise)
Procedure:
,
Procedure:
1.
Make
the
playback
head
phase
check
on
1.
Connect
a VTVM across the check point and
page 19 first. -
:
ground as shown.
;
2.
Mode:
record
'
:
(RECORD AMP CIRCUIT BOARD)
af osc
:
:
VTVM
€)
;
blank tape
attenuator
OQ
, Q104
LINE IN (L) and (R)
=
1,5kHz, -10dB (0.25V)__—-—
LINE OUT
(L and R)
2..
Place unit in record mode without tape.
3.
Adjust
L104,
L204
to obtain
the minimum
| Ai
|
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baie
Sees
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.
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;
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Adjustment
Location:
azimuth
:
adjusting
ZF
(0)
screw
in-phase
—_ within 30°
Note:
If necessary, finely adjust record
head
azimuth adjusting screw.
record amp
circuit board
—
22°—
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