Sony TC-377 Service Manual page 17

Stereo tapecorder
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12. Record
Bias Adjustment
13. Record
Level Adjustment
Control/Switch Setting:
Control/Switch Setting:
Procedure:
1.
af osc
*
fe)
Procedure:
made.
blank tape
2.
Mode:
record
af osc
LINE
IN
--
1 kHz, -10 dB (0.25V)
~.——
7
--
LINE IN
1kHz, -100B (0.25V), .—~
-
VTVM
-
LINE OUT
LINE OUT
then 17/g ips (4.8 cm/s).
Adjustment Location:
Adjustment Location:
LINE OUT
level
C504
R-CH
record amp
R228
circuit board
Als)
RCH
a
bias osc
circuit board
Da
ee

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