CT-405/KXF-W4030
ADJUSTMENT
INPUTOUTPUT CASSETTE DECK ALIGNMENT
No.ITEMALIGN FORFIG.
SETTINGSSETTINGSSETTINGSPOINT
CASSETTE DECK SECTIONTAPE: NORMAL, DOLBY: OFF, INPUT: LINE IN0 dBs = 0.775 V
I. REC/PLAY HEAD
POWER OFFDemagnetize the REC/
DEMAGNET-REC/PLAY
[ 1 ]��Remove the cassette PLAY head with a head
IZATIONhead
door.demagnetizer.
Clean the REC/PLAY head,
REC/PLAY
erase head, capstan and
head, erase
[ 2 ]CLEANING��PLAYpinch roller using a cotton
head, capstan
swab slightly damped with
pinch roller
alcohol.
(A)Azimuth
[ 3 ]AZIMUTHMTT á114, TCC-153 (B)PLAYadjustment Maximum output.(a)
0 kHz, -10 dBscrew
II. PC BOARD
Adjust the tape speed so
NOR.that a 3 kHz signal is
PLAYSFR 06
SPEEDproduced at the center of
A DECKthe tape.
HI.
HI DUBBINGSFR 085.4 kHz
SPEED(A)
[ 1 ]MTT-111, TCC-110(B)
3 kHzAdjust the tape speed so
that a 3 kHz signal is
NOR.
PLAYSFR 05produced at the center of
SPEED
B DECKthe tape.
HI.Play first and short
SFR 075.4 kHz
SPEED* TP2 to GND.
III. PC BOARD * TP2 (Q12, BASE)
(B)A
PLAYBACK MTT-150
< 1 >DOLBY PLAYSFR101 (L)Output level : 0 dBs
LEVEL400 Hz (200 nWb)SFR102 (R)
0 dB LEVEL
Adjust REC level VR so Record 400 Hz and 12.5 kHz
that the REC monitor in alternation and adjust the
(A)(B)
BIAS output becomes -20 dBs SFR11 (L)variable resistors which
< 2 >400 Hz, -20 dBs
CURRENT20 dBsat 400 Hz, then record and SFR12 (R)control the bias current so
12.5 kHz, -20 dBs
reproduce signal of 400 Hz that the same playback
and 12.5 kHz in alternation.level is obtained.
Record and reproduce a
RECORD (A)(B)SFR09 (L)
< 3 >400 Hz, signal under the Adjust for 0 dBs at line out.
LEVEL400 Hz, 123mV0 dBsSFR10 (R)
conditions set in < 3 >.
SYSTEMCONTROL
LINE INRECLINE OUTPLAY
6 |
ACEC
