Sony WM-W800 Service Manual

WM-W800
3-2. ELECTRICAL ADJUSTMENTS
Record/Playback Head Azimuth Adjustment
Procedure:
1. Mode: playback
test tape
P-4-A063
(6.3kHz, - 1 0 dB)
VTVM
czT
LXj-Ll_J
^ HEAD PHONES
2. 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 0.5dB.
.x within
'output 05dB
level j
screw
position
Phase Check
Mode: playback
test tape
P-4-AQ63
(6.3kHz, -10dB)
Note) After the
adjustments, do not
apply locking compound.
oscilloscope
Y" | R-CH ^
HEADPHONES hl8n
□
j/h
—O pO
L t-i J
wt m
Screen pattern
Of\
Tape Speed Adjustment
Setting:
VOLUME control: mechanical mid
Procedure:
Mode: playback
test tape
WS-48A
(3kHz, OdB)
speed checker
LFM-30
or
digital frequency
counter
0
—,_) i
r -
-O 0 |
HEADPHONES
Specification:
Deck A
3,000 - 3,020Hz (3,010 ±0.3%)
Deck B
2,980 - 3,000Hz (2,990 ±0.3%)
Adjustment Location:
fast
Deck A w
tape speed \
adjustment J
RV601 *
slow
Deck B
tape speed
adjustment
RV701
in phase 45 0 gp° 735 ° 180°
good wrong
10 -

Sony WM-W800 Specifications

General

Brand	Sony
Model	WM-W800
Category	Measuring Instruments
Language	English