Sony TCM-5000EV - Tape Speed and Head Azimuth Adjustments

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3-2. ELECTRICAL AD JU STMENTS
Note : The adjustment should be performed in the
order given in this service manual.
• Standard Re cord:
Deliver the standard input signal level to the in pu t
j
ack and set th e RE C/ PB VOLUME / VOR SENS
control to obtai n the standard ou tput signal level.
Tape Speed Adjustment
Setting:
R
EC / PB VOLUME /
VOR SENS co nt ro l .
TONE control . .
SPEED contro l ..
Pr oce dur e:
Mode: playback
test t ape
WS • 48A
(3 kHz , 0 dB)
mechanical mid
mechanical mid
NORM
(mechanica l mid)
spe ed checker
LFM-30
or
digi ral frequency
cou nt er
s~ w•
EARPHONE
Spec ification:
Speed checker
- 1.5 to +2 %
Digital frequency counter
2,955 - 3,060 Hz
Frequency differe n ce between the begin ning
and the end of the tape should be w ith in 1 %
(30 Hz.).
Adju s tment L oca tion :
RV601
TCM-SOOOEV
Standard Input Level
MIC G)
source impedan ce
600 n
input level
0.77 mV (- 60 dB)
input frequency
333 Hz
Standard Ou t put level
EARPHONE
load impedance
10 kn
output level
0.62 (- 2 dB)
Record/playback Head Azimuth Adjustment
Setting:
REC /PB VOLUME /
VORSE control . . ....... mechanical mid
TONE control . . . . . . . . me c hani c al mid
SPEED control. . . . . . . . . . . NORM
(mechanica l mid)
P rocedure:
1. Mode: playback
test tape
P·4·A063
(6.3 kHz, -10 dB)
ser
VTVM
TOk ll
..________. \
EJ
EARPHONE
2. Turn the adjustment screw for maximum
VTVM reading .
No t e: Several peaks ma y appear, tak e the max-
imum.
Adjustment Location:
adjustment screw
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