Kenwood AT-440, PS-50, PS-430, VS-1, YK-88SN, YK-88CN specifications MB-430/SP-430, Weight

Page 114

MB-430/SP-430

SPECIFICATIONSIPARTS LIS T

MB-430 OUTSIDE VIEW

MB-430 PARTS LIST

N

: New part s

 

Part No .

mks

Description

Ref . No .

 

A13-0635-03

N Angl e

 

 

B50-4016-00

H01-4454-03

H25-0077-04

H25-0098-04

J30-0521-04

N09-0007-05

N09-0008-04

N14-0009-04

N15-1060-46

N16-0060-46

N32-3006-46

N99-0309-04

N Instruction manua l

Packing control (inside ) Protective ba g Protective bag 150 x 480

NSpacer x 2

Wing bolt x 5 Hex . screw x 6 Nut x 6

Flat washer x 6 Spring washer x 6 Flat screw x 4

N Hex . head screw x 6

W01-0401-04 Hex . wrench

SP-430 SPECIFICATION S

SPEAKER SIZE

RATED INPUT IMPEDANCE FREQUENCY RESPONSE DIMENSIONS

WEIGHT

3 "

1.0 watt s

8 ohm s

300 Hz to 5 kH z

4-7/8" wide x

3-3/4" high x

9-1/3 " dee p (excluding feet ) 3 .1 lbs .

Part No .

E20-0208-04

E30-1629-05

G53-0507-04

H01-4468-04

H01-4469-04

H10-2513-02

H10-2514-12

H12-0445-04

H20-1407-03

H25-0077-03

J02-0323-05

J02-0409-04

J21-1144-14

J21-2573-04

J61-0019-05

N15-1030-46

N30-3008-46

N35-3006-41

N87-3006-46

N87-3008-46

4%,

Description

Ref . No .

 

Terminal plate

 

 

SP cord

 

 

Packing x 4

 

N

Packing carton

K,M

N

Packing carton

T

 

Packing fixture (F )

 

 

Packing fixture (R )

 

 

Cushio n

 

 

Protective cove r

 

 

Protective bag Accessor y

 

 

Foot x 4

 

 

Assistant foot

 

 

SP mounting hardware x 2

 

 

Foot mounting hardware x 2

 

Vinyle ti e

 

 

Washer x 8

 

 

Round screw x 4

 

 

Bind screw x 12 Cas e

 

 

Self tapping screw x 6

 

 

Self tapping screw x 4

 

SP-430 PARTS LIST

N New part s

T07-0224-05

N Speake r

Part No .

A01-0942-03

A01-0944-03

A20-2468-03

A20-2469-03

A23-1431-04

B04-0406-04

B07-0613-14

B39-0407-04

B46-0404-00

B50-4026-00

B50-4027-00

,Rark s

Description

NCase (B ) N Case (A ) N Panel

N Panel Rear pane l

NSP gril l SP rin g Spacer x 2 Warranty card

NInstruction manual N Instruction manual

Ref . No .

K,VI

T

K

K,M

T

114

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Contents KEN Wood Semiconductors Dimensions TS-440SFrequency accuracy RIT/XIT OFF SensitivityImage ratio If rejection Selectivity Frequency stabilityFig Frequency configuratio n Circuit Descriptio N IpllAM, FM Fig Receiver circuit configuratio nUSB, LSB, FS K Displayed frequencie sCircuit Description Fig Selectivity control circuitFilter selective MCF L71-0259-05 RF Unit FlCeramic filter L72-0355-05 if Unit CF2 BX719 Circuit Descriptio NBX7I91- 851 D27 D2 Fig Notch circui tTransmitter Circuit Descriptio n TS-440$ Fig Antenna tuner circuit SWR protection circuitSWR automatic arithmetic circuit Fig -2 FULL/SEMI BREAK-IN timing chart Fig -1 FULL/SEMI BREAK-IN block diagra mControlsemi Circuit Description Fig -3 FULL/SEMI BREAK-IN timing char tFig Standby keying timing char t Circuit Descriptio N Fig PLL circuit block diagra m PLL4 PLL3Circuit Descriptio N Unloc kCircuit Description Fig Control circuit block diagra mFig Encoder waveform timing chart Fig Encoder circui tFig Digital circuit Key scan matrix%--- 1 9 L Fig A/D convertor circui tRIT If Shift BZ Buzzer output 7800 port A7 Reset output 7800 port B7RL output 7800 port A6 MT output 8255 IC2 port A7Fig Band information generation circuit Band information 7800 PBo 3, B3B2B1B oVCO SW VCO BCD DECControl unit X53-1450 Fig Mode control circuit~ t Expand functionTES T Operation procedureBZ OFF Conditio nSW Monitor Display changes by Test numbe r SN74LS138H Control unit IC51 Reset Rese T SE T DAT a ClockTOP View CLK MB4052 Pin Descriptio n Signal Pin Function sAD C DataBPD SN74LSI38Semiconducto R Semiconducto R Pin connectio nNF B TPD8255AC-5 Control unit IC2 Semiconducto R SCKParts List Chip capacitorsFor U .S .A M2 General Marke TFor Europ e For Australi a Wire with Conneltnr Warranty CardDC Power Cord ASS Y Fuse 20AACCESSNR YRP. * -g Nation Ref . No AddressParts No Description Desti 40HFR MAfN PnnhSwitch Unit PIN Connectnr Ceram IC CeramicCC45RHIH330J Ceramic Cerom CCE04WIH010M Electro ElectrCE04W Odium Elec CRO CE04IAIHO Elec .1ROAddress New Parts No Descriptio n Desti Natio nCeramic Ooopf Cnnnect I NG WireCC45CF-II.HO50C Ceramic Elec -FRO OUFAddress New Parts No Description Desti- Re nation mark sAddress New Parts No IR .g Desti NationRef . No Parts No Descriptio nDesti Re nation mark s New Parts Ceramic 56OPFCK45FIH223Z Ceramic RAN Hfad Machine SCR K W ScrewPUL LEY Prone R5004`-,0111-1220 Ceramic 1OPF CiooCeramic 6BPF CC45CHI.F-IOR5C Ceramic0107 Small Fjxed Inducto R Small Fixed Inducto RL40EIOII-13 Small Fixed Inducto R Oscillating LOILVCO395MH7Desti Re nation marks CST Mimng POI LOUTrmming POT 50V Protectio N RelayOoiuf Elellrn 47LIFEleltpn Ceramic Hinf112 AT Unit TS-440S G5 a It ,4-$ CC45SLIHO50C Ceramic Ceramic OioufCK45FIH223Z Ceramic CK45FIIJ223Z CeramicCE04W1HR47M CO92M1H1O3KCE04WIH010M CE04W H4RIMSig 1F F TS-440$ DTC114ES Digital Transistor PC Board TS-440S BDFNilY 016 C36PW M Tl .I J PLL Unit Page Page Page Page Page Page Page Page Disassembly Disassembly Sems55x2 OcDC o TS-440E/8 000- N TS-440S Packing Adjustmen T RECAdjustment Spectrum Analyzer SPE-ANAJapanese SG American SG 25µ Detector Mode USB Power on DC V .MRF Gain MAX Mode USB Stby REC Mode a MUnit Adjustmen T 5612 ANT Mode F MDI P AN T VR6Stby SEN D Mode USB Power SW OFFMode SW Function SW aTOP View TP3 TP4IITP8I TP11I ITP1 Adjustment Input DBu MV AF 25mV 4.9mVAF Output 0 .68V/811 44 FMRF UNI T If UnitMIC MI C TIF DRV=KO= Power SW of F Power SW onPS-50 AC Power ORD Warranty AP BAL Power for D AF Power CordPower Cord Pushing Wire HAN DPower Ironsinrmer NotJZF1OD RS14GB3A01DJRI1 FL---PROOF RSSchematic Diagramipc Boar D 220V Version 240V VersionSpecificationsiparts LIS T SLP144BRS14GB3D4R7J MN6401TRA CE04W1HR22MCS15E1EO10M CS15E1VOR1M IC N IC N ICSchematic Diagram Languag E SelectPage Weight MB-430/SP-430YK-88S/SN,YK-88C/C N Ratin gCommunications & Test Equipment Grou P Incorporated in N .S
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SP-430, VS-1, PS-430, AT-440, YK-88C specifications

The Kenwood MB-430, PS-50, YK-88S, YK-88CN, and YK-88SN are notable components that enhance the capabilities of Kenwood's transceiver products, particularly in the amateur radio segment. Each of these units plays an essential role in expanding functionality, improving performance, and providing users with valuable features that are beneficial in various communication scenarios.

Starting with the Kenwood MB-430, it serves as a versatile mobile bracket designed for specific Kenwood radio models. The MB-430 enhances mobility, allowing operators to mount their radios securely in vehicles or portable setups. Its sturdy construction ensures reliability during operation, and it offers a simple installation process, making it user-friendly for both beginners and seasoned enthusiasts.

The PS-50 power supply is a crucial accessory that complements Kenwood's transceiver line. This power supply is known for its compact design, providing 13.8 V DC output, which is essential for powering radios effectively. With a current rating that adequately supports various transceivers, the PS-50 is equipped with short-circuit protection and thermal overload features. These safety mechanisms protect both the power supply and the connected equipment, making it a dependable choice amongst operators.

The YK-88S, YK-88CN, and YK-88SN are all filters that enhance the performance of Kenwood transceivers. The YK-88S is a high-performance SSB filter, designed to improve the clarity of SSB signals while reducing adjacent channel interference. It offers narrow bandwidth options that facilitate more precise tuning, making it particularly valuable in crowded band conditions.

Meanwhile, the YK-88CN is known for its crystal filter technology, optimizing the transceiver's performance for CW and digital modes. This filter helps in eliminating unwanted noise, allowing operators to enjoy clearer reception and improved decoding of weak signals.

The YK-88SN, similar in function to the YK-88S and YK-88CN, provides additional narrow filtering options, enhancing the agility of transceiver operation in various modes. It effectively enhances selectivity and reduces interference from strong signals, providing a cleaner audio output.

Together, these components contribute to a seamless operating experience for amateur radio enthusiasts. Whether enhancing filter characteristics, providing reliable power, or ensuring secure mobility, the MB-430, PS-50, YK-88S, YK-88CN, and YK-88SN demonstrate Kenwood’s commitment to quality and performance in the radio communications field.
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