Electra bearcat IV Скачать руководство пользователя страница 1 | Manualshive

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Содержание bearcat IV

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Страница 2: ...nnels 4 clusive track tuningsystemusingvoltage variable ca pacitatorsprovideshighperformance full bandcoverage SPECI FICATIONS S i z e 9 W x 3 5 B H x 6 l B D Weight 5lbs cabinet Heavyduty vinyl cladsteel Non sliding feet PowerRequirements ll Vac 15W l3 BVdc 10W Antenna Telescopingantenna supplied Connectorprovided for outside or mobileantenna Input lmpedance 50 70ohms sensitivity H and L bands re...

Страница 3: ...e user of this radio is responsible for obtaining any necessaryauthor ization through local agenciesand Electra Company cannot he responsible for any illegal installation or usage l Place the mobile mounting bracket under the dash to hold the receiverin the desiredposition Mark and drill two holesusing a 7164 drill bit and securethe bracket with the two No 6 self tapping screws 3 Insert the two pl...

Страница 4: ...usually operatesin an environmentof man madeelectro magnetic noise which radiatesfrom power lines fluorescentlights motors appliances ignition systems etc Modernradiosaredesigned to minimizeinterference from such sourcesbut operationmay be affectedunder conditions of unusuallystrongnoise Distant weak hp or noisesignalsmay be receivedby this receiver becauseof its high sensitiuity Wheneversuch cond...

Страница 5: ...3 for maximum output and T4 for minimum ripple Adjust T5 so that 10 80 mHz is in centerof discriminatorcurve andfor bestlinearity SeeFigure3 t o 8 l Figure2 Figure3 ALTERNATE METIIOD I F alignment may be checked using a Measurements Model 800 Generator or equivalent tuned to an operating frequency and swept 25kc Markers are not essentialsince center frequency is determined by the filter R F SECTIO...

Страница 6: ... A P A C I T O R Y L I I E S B E L O U I I i l b v E A B o v E I l N U 1 L E 3 3 O T I I E R U I 9 E S P E C I F I E D T F D p l l 4A 33o R 3 R 5 3 3 K Z Z K x h vvc3 c i 3I V 2 2 t l l 3 t 2 c R 1 9 5 R z O 2 7 K f 5 6 K D4 O re c c 2 3 3 R t 6 l o K R l s c t 8 33K t 331 ru l f i 44 Lrot R 2 4t D G T c z s Rzz loo loK f T ol c24 t R27 47O L 22K f v v c s L n c32 470 R 3 8 3 3 K R 3 7 c s s l o o...

Страница 7: ...2 toK c 5 9 1 2 R 8 4 1 5K Io I R72 39n_ c 6 2 IOOMF c 6 4 t o o c 6 5 0 1 c 5 4 l R 7 9 4 7 K R 8 l 3 3 K Rt l o 3 3K 2 0 h R i l l 5 3 K 2 h o l 1 2 T z z u t R 8 6 t oK R 9 7 4 7 0 R 9 6 2 2 Rto4 4 7 K 1 2 1 2 S Q U E L C H R 8 7 5 K R 9 8 4 7 K s w 2 s w 3 ilo2 t o R t o T 2 2 M I I 4 l t 7 0 R 8 8 4 7 0 L l 7 R t o S 4 7 0 l 2 w R 9 9 56 K x 93 1 2 R l o S 1 5 0 l 2 V l c 5 5 O O I c 5 6 o o ...

Страница 8: ... IJ F a a 7 O X F s 8 ...

Страница 9: ...t 2 1 5 t 2 GND 2 5 5 t 2 5 l 5 2 5 5 t 2 5 t t 2 GND t 2 l l t 2 l 5 2 ChannelNo I selected COI JNT I C No PIN I 2 3 4 5 6 7 8 6 5 6 8 9 0 0 0 0 l l t l l l r r 0 0 0 0 r l l l l l l l 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 r 1 0 0 1 1 0 0 0 0 l l 0 0 t l 0 l l t l l l l l 0 l t l l l l r r 0 l l l l l l l l O t t t l l l l l 0 l l l l l l l l 0 l l l l l l l l 0 l l l l l l l l 0 7 5 6 ...

Страница 10: ... by a high reverse voltage When a channel lamp does not light the failure may be either the lamp or the switching I C If the channel n orks check the lampi if not check the I C hen groups of lamps are out refer to the losic chart TRACKEDTUNINGSYSTEM All tuned circuits in the RF sections are tuned by voltage variable capacitators which optimize the radio for each crystal individually regardlessof w...

Страница 11: ...MPN 3401 1N914 1N34A 6V Zenert l lN400l BB 105A Matched BB 209 Matched LM 703LN MC I357P uA74l UA7O6 sN7474 sN7426 Inductors A 219 l LoadingCoil A 218 l Choke A 509Ctroke 4 508 1Coil 508 2 Coil A 2184 Choke B 501 2 Coil B 5ll Coil A 218 3Choke B 501 1 Coil A 205Choke A 218 2Choke 9 502 2 Coil tracking B 502 l Coil tracking 9 217 2 Coil I F 8 507 PowerTransformer Miscellaneous 2 50 75 75 2 50 75 75...

Страница 12: ...oses in our judgment that it is thus defective This warranty does not apply if the receiver has been subjected to misuse neglect accidents incorrect wiring not our own improper installation or to use in violation of instructions furnished by us nor to receivers that have been repaired or altered outside our factory This warranty excludes all oral or other implied warranhes and the manufacfurer sha...

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