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Toshiba RT-200S Service Data page 4

Stereo radio cassette recorder

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RT—200S
6. ALIGNMENT
INSTRUCTIONS
TP-5
Re
fo)
O
AM Detect
FM
Detect
FM IF
L106
LIO5
MW
Eee,
COIO
LW Ose.
L108
L107
AM
IF
AM
IF
%, L002
FM Osc.
L101
FM Osc.
L003
oso.
MW Ant.
Figure 8.
TEST
EQUIPMENT
. Test loop — a coil of any size wire, one turn or more.
(LW & MW)
. A 75 ohm dummy antenna.
(SW)
. VTVM
nr
WN
-
AM ALIGNMENT
1. Turn on the AM signal generator and the VTVM
allowing a fifteen-minute warm-up
period.
3. Connect the VTVM
across the voice coil or a 3.2 ohm
dummy
load.
4. Set signal generator
frequency
as listed
in ALIGNMENT
CHART
and maintain a sufficient output level to
provide an indication on VTVM.,_
5. Set volume control at mid-position.
6. Proceed as outlined in the IF-LW, MW and SW ALIGNMENT
CHARTS.
RT—200S
MW ALIGNMENT
CHART
Band
Frequency
2
510 kHz
Signal
Generator
Radio Dial Setting
Tuning Gang Fully Counter-
clockwise
(Lowest Frequency)
Adjust tor maximum
indication.
Repeat steps 2 and 3 as required.
;
Ant. Coil
Adjust for maximum
Ant. Trim.
f
Repeat steps 5 and 6 as required.
LW & SW ALIGNMENT
CHART
Signal
Radio Dial Setting
Adjustment
Remarks
Tuning Gang Fully Counter-
clockwise
(Lowest
Frequency)
OSC. Coil
L106 (LW)
Generator
Adjust for maximum
indication.
oe
Frequency
142 kHz
indication.
Ant. Coil
Adjust for maximum
160 kHz
OSC. Trim.
CO10
Tuning Gang Fully Clockwise
(Highest Frequency)
Ant. Trim.
Adjust for maximum
ua 280 KH
kH
Tune w Sign
t
l.
i
i
|
i
one
ee
C007
indication.
Repeat steps 4 and 5 as required.
Tuni
Full
-
uning Gang
uliy Counter
OSC. Coil
clockwise
a
_
Tuning Gang Fu!ly Clockwise
OSC. Trim.
Adjust for maximum
2
16 MHz
i n t e r
a o e
(Highest Frequency)
C008
indication.
SW
Adjust for maximum
indication.
Repeat steps 1 and 2 as required.
enn
Adsecor naan.
6.5 MHz
T
to S
[.
a
poultice
L101 (SW)
adieavion:
Ant. Trim.
Adjuse tot maximum
5
14 MH
a
t
|.
;
HpE
Morse
CO05
indication.
6
Repeat steps 4 and 5 as required.
|

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