Panasonic NATIONAL R-441B Service Manual

4. BAND PORTABLE RADIO
_— R- A4iB
SPECIFICATIONS
_ Frequency Range: | MW. 525~1605 kHz (571~187m)
SW1 1.6~4.5 MHz (187~66.7m)
SW2 4.5~12 MHz (66.7~25.0m) .
SW3 12~26.1 MHz (25.0~11. om)
_ Intermediate Frequency: ~ 455 kHz ©
Sensitivity: MW 30znV/m fot 50mW Output
SW1 30. pV/m for 50mW Output
SW2 30nV/m for 50mW Output
SW3 30nV/m for 50mW Output
Power Output: TW Maximum
Power Source: - AC 110V/220V 50-60Hz or
_ 6V (Four "D'"' Size Pashight Batteries).
(NATIONAL UM-1 or equivalent) -
Power Consumption: — AW (AC Only)
Speaker: 10cm (4°) PM Dynamic Speaker
Dimensions: | ao 296(Wide) x 186(High) x 99. 5(Deep)mm
ie | (1136"° x 75%" x 324")
_ Weight: | _ 2kg. (4 Ib. 6.5 oz.) without batteries
_ Impedance: Speaker - 82a
EI TO REMOVE CHASSIS
. Remove four (4) control knobs from cabinet.
the lower part of the back cover.
. Remove four (4) red chassis cover screws.
. Pull out plugs.
figure.
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phono jack and AC cord from cabinet.
7. To reassemble, reverse the above procedure.
Note:
When mounting fine tuning knob, set red marking of the fine tun-
ing shaft facing up and insert fine tuning knob onto the shaft, set-
ting knobs dot to the center of red marking.
'Red Screw No.1_ Red Screw No.2 © Red Screw No.3
(XTNSDIOER) iokbin: rhaaale (XTN3D10B8R)
Red Screw No.4 "Red Screw No 'Red S&r¢w No.6
(XTN3DI0BR) ss (XTNGDIOBR) ~ = — — — S — S = « ( X NCR)
<EXPORT DIVISIOND
MATSUSHITA ELECTRIC TRADING CO., LTD.
P.O. Box 288 Central, Osaka, Japan
. Open the cabinet back cover by removing the two hooks on |
. Remove six (6) red chassis screws, nos. 1~6, as lustrated in
. To remove chassis completely, unsolder lead wires to 'speaker.: 3
battery, EXT. antenna & earth terminals and remove meswenene.
Earphone Jack - 890
Phono Jack - 470ka
th
1. Remove dial back plate.
2. Dial cord length i is 130cm (51 3° a
3. Tuning gang is positioned at minimum capacity.
4. Arrows (1~9) indicate correct order and direction of
installation dial cord.
. Cement dial cord ends.
on
1 TO MOUNT DIAL POINTER |
|. Set tuning gang fully closed position.
2. Set dial pointer to start point of dial back plate.
3. Attach dial cord to dial pointer.
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Pulley Cord Pulley 6
Ns
7 Ce 3 turns
_
OON
Cone
= : 9 Pa
)) / Tuning Shalt
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7
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MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
RADIO and STEREO DIVISION
DIAL CORD INSTALLATION GUIDE
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