Sony WM-D6 - Page 18

NM-D6 WM-D6 | WM-D6
Record/playback Head Azimuth Addustment Playback Level Adjustment Record Bias Adjustment Record Level Adjustment
:
ing:
Setting:
Note:
Perform
this
adjustment
before
the
Tape
procedure
Setting
ing
Speed
Adjustment.
Dalat
REC
LEVEL
control:
standard
record
TAPE
switch:
changes
over
according
(333
Hz,
0a)
eM
LINE
IN
:-10dB
Brdceduye:
as
TAPE
TYPE
prsccane:
LINE
OUT:
-9.8
dB
1.
Mode:
record
: Procedure: ; blank tape
1.
Mode
playback
ts
nes
blank
tap
VOLUME
control:
not-distorted-output
1.
Mode:
record
2
CS-25
position
LINE
OUT
f
*
ee
al osc
attenuator
Specification:
oe
tape
O
eee
|
PAA! 10k2 5HO00 >
(6.3 kHz, -10 dB) LINE OUT level: 0.32 V O} _ attenuator A,
a
(-7.8 dB +0.2 dB) TP 000 mic
333 Hz, 0.77mV (-60dB)
Check
that
the
LINE
OUT
level
does
not
6002
change in playback mode while changing the
g
play
nging
rey
2.
Mode:
playback
mode from playback to stop several times. 2) jottes 25mvV (-30dB)
Adjustment Location: recorded VTVM
2. Mode: playback portion
R-CH
—
main
board
—
LINE
OUT
recorded
VTVM
portion
om | ser | LINE OUT
in-phase 45° 90° 135° 180° LINE OUT Specification:
good wrong
254 mV +10 mV
ee Noee (-9.8 4B +0.5 dB)
CS-25 254 mV +40 mV
CS-40 METAL (-9.8 dB #1.5 dB)
Play back both 1 kHz and 10 kHz signals.
4. Make output level of 10 kHz signal becomes
equal to that of 1 kHz signal by adjusting
pattern bridges. Tolerance: 0.5 dB
Turn the adjustment screw for the maximum
output levels. If these levels do not match, turn
the adjustment screw until both of output
levels match together within 0.5 dB.
5. If only one pattern bridgging does not satisfy
the adjustment, try two or more pattern
bridggings until a proper adjustment is ob-
tained.
within
Adjustment Location:
0.50B
output 6. If necessary, repeat the above steps 1. through
levels
— main board —
Adjustment Location: '
R-CH
— main board —
peak
Screw
position
—» angle
L-CH R-CH
peak peak
3. After adjustment, apply locking compound to
the adjusted screw.
Adjustment Location:
RV202 RV102
(R-CH) (L-CH)
adjustment screw
S20 =. DY. ee