CT-401/403/KXF-W1030/W3030
4
CN105
To Frequency counter
ADJUSTMENT
(c)
(a) AZIMUTH ADJUSTMENT
SYSTEM CONNECTIONS
No.
ITEM
INPUT
SETTINGS
OUTPUT
SETTINGS
CASSETTE DECK
SETTINGS
ALIGNMENT
POINT
ALIGN FOR
FLG.
CASSETTE DECK SECTION
TAPE: NORMAL, DOLBY: OFF, INPUT: LINE IN
0 dBs = 0.775 V
I. REC/PLAY HEAD
[ 1 ]
DEMAGNET-
IZATION
–
–
POWER OFF
Remove the cassette door.
REC/PLAY
head
Demagnetize the REC/PLAY
head with a head
demagnetizer.
[ 2 ]
CLEANING
–
–
–
–
PLAY
REC/PLAY
head, erase
head, capstan
pinch roller
Clean the REC/PLAY head,
erase head, capstan and
pinch roller using a cotton
swab slightly damped with
[ 3 ]
AZIMUTH
(A)
MTT·114, TCC-153
0 kHz, -10 dB
(B)
PLAY
Azimuth
adjustment
screw
Maximum output.
(a)
II. DC BOARD
[ 1 ]
TAPE SPEED
(A)
MTT-111, TCC-110
3 kHz
(B)
PLAY
SFR301
Adjust the tape speed so
that a 3 kHz signal is
produced at the center of
(b)
(c)
III. PC BOARD
< 1 >
PLAYBACK
LEVEL
MTT-150
400 Hz (200 nWb)
(B)
PLAY
DECK B
SFR101 (L)
SFR102 (R)
Output level :
±
1 dBs
< 2 >
< 3 >
BIAS
REC BIAS
OSC
FREQUENCY
Recording
L107
105 kHz
±
3 kHz
Record 1kHz and 10kHz in
alternation and playback.
Record and playback at
maximum REC volume
position.
CURRENT
(A)
1 kHz, -20 dBs
10 kHz, -20 dBs
(B)
SFR105 (L)
SFR106 (R)
Record 1 kHz and 10 kHz in
alternation and adjust the
variable resistors which
control the bias current so
that the playback level
is obtained 0 dBs
±
3 dBs.
< 4 >
RECORD
LEVEL
(A)
1 kHz, -20 dBs
(B)
SFR107 (L)
SFR108 (R)
0 dBs
±
3 dBs
alcohol.
the tape.
LINE IN
REC
PLAY
LINE OUT
SYSTEM CONTROL
L
R
Oscilloscope
AC voltmeter
Frequency counter
CT-403/KXF-W3030
CT-401/KXF-W1030
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
