Sony WALKMAN WM-F702 User Manual

FM SECTION
¢
FM Tuning Voltage Adjustment
BAND switch: FM
VCO Adjustment
BAND switch : FM
frequency counter
TV SECTION (ET, AUS model)
TV Tuning Voltage Adjustment
BAND switch : TV
TP
oer
er
digital
digital
(19kHz)
“#
W
T
=
voltmeter
voltmeter
aE rd
"7
TP
(TUN
VOL)
[
.
SEA)
i
Procedure
:
alg
: :
1, Connect an electrolytic capacitor 14F between TP (DET
OUT) and ground,
WM-702,/F702
SECTION 4
DIAGRAMS -.
4-1. SEMICONDUCTOR LEAD LAYOUTS
XN4608 NJL5161K-B
: V TUNING Vi
2.
Adjust
RV1
for
194£0.02kHz
on
the
counter.
TY
TONING
NOCI
AGE
AGUS
IMENL
XN4215
FM TUNING VOLTAGE ADJUSTMENT ‘ z . Adjust for following values on digital voltmeter.
3.
Remove
electrolytic
capacitor
connected
in
step
1.
-
——
XN4501
Adjust
for
following
values
on
digital
voltmeter
TV
4CH
a re [RE OK mode [ET AUS Dial volineter rsdn GL102R6 —
s
=o
Fr
ae
=
on
NULL
Adjustment
Lo
| Digital voltmeter reading BAND switch : FM TV Tracking Adjustment ee
Adjustment part
FM Tracking Adjustment
FM RF SG
0.01 zp F
-—— ANT IN
TV RF SG
0.01 uF
ke ANT IN
FM RF SG 22.5kHz frequency 22.5kHz frequency
deviation by 400Hz deviation by 400Hz
signal signal
0.01 uF VTVM VTVM MA110 MSM6404A-286
(de range) (range : 0.5~5Vac)
ke———_ ANT IN
22,5kHz frequency
deviation by 400Hz
signal
VTVM
(range : 0.5-~5Vac)
Plug conversion adaptor
@ Repeat the procedures in each adjustment severa] times,
and the tracking adjustment should be finally done by the
trimmer capacitors.
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on VTVM.
Display indication FM 87,9MHz FM 107.9MHz
SG frequency 87.9MHz 107,9MHz
FM 87.5MHz FM 108,0MHz
US nodet
nod
ET, AUS
Adjustment part
NULL ADJUSTMENT
Adjust for OV reading on VTVM,
Ie
ADJUSTMENT LOCATION
-radio board—
TP
Piug conversion adaptor
@ Repeat the procedures in each adjustment several times,
and the tracking adjustment should be finally done by the
trimmer capacitors.
(TUN VOL)
1P TP
°
¢ SEMICONDUCTOR LOCATION
—CASSETTE SECTION—
1C101 D-19
WM-702
Q801
WM-F702
Q801
(18kHz) (DET OUT)
24
ct4
avi.

Sony WALKMAN WM-F702 Specifications

General

Brand	Sony
Model	WALKMAN WM-F702
Category	Cassette Player
Language	English