Kenwood MDX-F1 Service Manual page 17

Cassette Deck adjustment
No ITEM
Unless otherwise specified, set the respective switches as follows:
SOUND MODE: OFF
ø. Cassette mechanism unit (Adjustment of the REC / PLAY head)
Demagnetization
< 1 >
and cleaning
Azimuth of the
< 2 >
REC/PLAY head
¿. PC BOARD ADJUSTMENT
TAPE
< 1 >
SPEED(NORMAL)
¡. PC BOARD ADJUSTMENT
PLAYBACK
< 1 >
LEVEL
Connect the AG
< 2 > BIAS CURRENT
* Turn power on with pressing the SOUND key.
ADJUSTMENT
INPUT OUTPUT
SETTING SETTING
TONE: FLAT
– –
SCC-1227
TCC−153
Fig. 4
MTT−114
10kHz, − 10dB
TCC−110
MTT−111
Fig 4
SCC−1727
3kHz
TCC-120
Fig 4
315Hz, 0dB
to CN101
(L: #1, R: #3)
Fig 4
in AUX test
mode*.
1kHz: -20dBs
10kHz: -20dBs
DECK ALIGNMENT
SETTING POINT
Recording
Demagnetization:
head, erase
POWER OFF
head,capstan
Cleaning: PLAY
pinch roller
PLAY
FWD
PLAY –
PLAY
–
(VOL: 26)
VR 401 (L)
REC and PLAY
VR 402 (R)
MDX-F1
ALIGN FOR
0dBs=0.775V
Demagnetize the
REC / PLAY head
with the head
eraser.Clean the
REC / PLAY head,
erase head,capstan
and pinch roller
using a cotton swab
slightly damped with
alcohol.
Adjust the output to
maximum and adjust
the azimuth
adjustment screw for
the Lissajours
waveform pattern of
the oscilloscope to
RVS
become close to a
45° straight line.
Adjust the tape
speed so that
3kHz(±2%) is
obtained at the
center of the tape.
Check the playback
output with
0dB(±2dB)
Record 1kHz and
10kHz alternately,
and adjust the bias
current adjustment
potentiometer for the
playback levels to
become the same.
FIG.
17