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X-VH7
QQ
3 7 63 1515 0
CASSETTE DECK
NO.
ITEM
Unless otherwise specified, set the respective switches as follows:
TAPE: NORMAL
ø. Cassette mechanism (REC/PB head adjustment)
Demagnetization
and cleaning
REC/PB head
azimuth
¿. Capstan motor adjustment
Tape speed
(NORMAL)
¡. PC board adjustment
Playback level
Recording level
TE
L 13942296513
Bias current
Measurement equipment connection
www
.
6
ADJUSTMENT
INPUT
OUTPUT
CASSETTE DECK
SETTINGS
SETTINGS
DOLBY: OFF
INPUT: REC IN
demagnetization
-
-
TCC-153
MTT-114
(B)
10kHz,-10dB
TCC-110
(B)
MTT-111
3kHz
TCC-130
(B)
TCC-108
400Hz
-21dBm
(A)
(B)
TCC-108
12.5kHz
-21dBm
(A)
AC voltmeter
x
ao
y
i
8
ALIGNMENT
SETTINGS
OUTPUT: PLAY OUT
(POWER OFF)
REC/PB head
erase head
(PLAY)
capstan
cleaning
pinch roller
PLAY
FWD
RVS
VR.
PLAY
inside motor
PLAY
VR1,2
VR5,6
Q Q
3
6 7
1 3
VR3,4
REC IN
REC OUT
SYSTEM
CONNECTOR
L
R
AG
Oscilloscope
u163
.
(A)
(B)
2 9
9 4
2 8
ALIGN FOR
0dBm=0.775V
Demagnetize the REC/PB head by
head eraser. Clean the REC/PB head
,eraser head, capstan and pinch
roller with a cotton swab immersed
in alcohol.
Adjust the output to maximum and
adjust the azimuth adjustment
screw for the Lissajous waveform
pattern of the oscilloscope to
become close to a 45˚ straight line.
Adjust so that the frequency 3kHz
at the center of the tape.
-1dBm
-21dBm
1 5
0 5
8
2 9
9 4
-21dBm
AC voltmeter
m
Distortion meter
co
9 9
FIG.
2 8
9 9
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