Sony TC-FX4 - Page 14

TC-FX4
3-2. ELECTRICAL ADJUSTMENTS
Note: The adjustment should be performed in
the order given in this service manual.
(Playback section may be adjusted earlier
than record section.)
The adjustments should be performed for
both L-CH and R-CH.
®Set the TAPE switches according to the tape as
follows.
TAPE switch
TYPE I
TYPE Il
TYPE Ill
TYPE IV
@ Switches and controls should be set as follows
unless otherwise specified.
DOLBY NR switch: OFF
TAPE switch: TYPE!
TIMER switch: OFF
@ Standard Record :
Deliver the standard input signal level to the
input jack and set the REC LEVEL control to
obtain the standard output signal level.
Standard Input Level
eine
0.77 mV (—60 dB)| 0.25 V (—10 dB)
Standard Output Level
HEAD.-
PHONES
82
39 mV (—26 dB)
LINE OUT
47kQ
0.44 V (-5 dB)
load impedance
output level
Capstan Motor Speed Adjustment
Procedure:
Mode : playback
speed checker
LFM-30
or
digital frequency
test tape counter
WS-48
(3 kHz, 0 dB)
set i=
LINE OUT
Specification:
Speed checker Digital frequency counter
-—0.3 ~+0.3 % 2,990 — 3,010 Hz
Frequency difference between the beginning
and the end of the tape should be within 1 %
(30 Hz).
Adjustment Location:
screwdriver. When turning the
( Adjust the speed by using
screw
clockwise,
speed
is
faster.
capstan
motor
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