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Sanyo RP 8252 Service Manual page 8

4-band 2-audio-channel portable radio

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ALIGNMENT
INSTRUCTIONS
( Model
RP 8252 E/ZM/G )
MW
BAND — Band selector switch in MW position
Connection of | Input Signal | Dial Setting
Connection of
,
Loop Antenna | 460 kHz
Adjust for Maximum
(Aerial) | (470)
Lowest End
Across Speaker
IFT T305, & T306
Same
905 kHz
Lowest End
Same
Osc. Coil
L114
Same
(595 m)
re [fae
Pa | ee | mn
|
'LW BAND — Band selector switch in LW position
.
145 kHz
:
;
;
Same
365 kHz
Highest End
Same
Osc. Trim CT3
Same
(825 m)
160 kHz
160 kHz
Coil!
L110a
340 kHz
340 kHz
;
:
SW BAND
— Band selector switch in SW position
Antenna to
Repeat steps 7 thru 10 to obtain maximum sensitivity.
|
5.85 MHz
| Lowest End
Osc. Ccil L113
TP1 and TP2.
19.0 MHz | Highest End
Osc. Trim CT2-1
Same
| 14 | Same |
6.5 MHz | 6.5MHz |
Same
|
Ant. Coil L109
16
|
Repeat steps 12 and 15 to obtain maximum sensitivity.
Loop Antenna
Thru Dummy
12
Across Speaker
Adjust for Maximum
FM
BAND — Band selector switch in FM position
Connect Sweep
Marker Gener-
ator to TP.1
and TP.2.
Connect scope input
Adjust for maximum
cable thru network
sensitivity with
to TP.3 and TP.4.
symmetrical curve.
Connect scope input
7
10.7 MHz
| Lowest End
cable thru network
IFT 1304
ee
toR327and TP.4
ue
=
:
Connect Signal
Generator to
87 MHz
Lowest End
ees wee
Osc. Coil L106
Adjust for maximum.
TP.1 and TP.2
E
21
t
22
:
IFT 1301,T302 &
T303
Same
106MHz | 106MHz | Same
[RF Trimmer VCT12| Same
Repeat steps 19 thru 22 to obtain maximum sensitivity.
ge
ol
Same
90MHz | _90 MHz
RFCoill105
| Same
i
E
'
:
;
:
3

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Rp 8251