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UD-301/351
CASSETTE DECK
Order
ITEM
Input setting
ADJUSTMENT
output setting
Adjustment method
FIG.
Unless otherwise specified, set the respective switches as follows:
TAPE: NORMAL
Casse
DOLBY: OFF
te mechanism
unit (REC/PLAY head adjustment)
Degaussing and
cleaning
Azimuth of the
REC/PLAY
head
Tape speed
(Double speed)
SCC-1727
TCC-153
MTT-114
10 kHz,
—10 dB
(A), (B)
oe |
POWER:
OFF
Degaussing
Cleaning
PLAY
es ee
REC head
Capstan
Pinch roller
Erasing head
Degauss the REC/PLAY
head, Clean the
REC/PLAY
head, erasing
head, capstan and pinoh
rolier with a cotton swab
moistened with alcohol.
Make the adjustments to
obtain mazimum
output,
and then adjust the
lazimuth adjustment screw
for the Lissajour's figure
on the oscilloscope
screen to become a 45°
|
straight line.
ment of the prionted circuit board 11.
NOTE: Make sure of carrying out the double speed adjustment in the first place.
TCC-110
MTT-111
Tape speed
(Normal)
* TP
SCC-127
3 kHz
(A), (B)
"TEST MODE
VR7: (A)
VR1: (B)
Adjust so that frequency
is 6 kHz at tape center.
VR8: (A)
VCR2: (B)
Adjust so that frequency
is 6 kHz at tape center.
FWD KEY: NORMAL SPEED
Adjustment of the printed circuit board Ill
Playback level
Bias current
MTT-150
400 Hz
MTT-256, SCC-1727
315 Hz
MTT-256U,
TCC-160
315 Hz
Press the CLRS key for 3
seconds or more, and set
the VR to the -15 dB
position.
Adjust AG for the DECK
output to become
1 kHz
— 30 dBs.
(A)
36
REC level
(A), (B)
FF KEY: HI] SPEED
B, DECK
VR5 (L)
VR6 (R)
Adjust the playback out-
put to —1 dBs
Adjust the playback out-
put to —4 dBs
Adjust the playback out-
put to 0 dBs
Record
1kHz and 10 kHz
alternately, and adjust the
bias current adjustment
potentiometer for the
playback level to become
the same.
t
1 kHz, —30 dBs
RM-90PS
X-B3/MB3
(B)
— 30 dBs
F
COUNTER
X-B3/MB3
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