Kenwood AT-440, PS-50, SP-430, PS-430, MB-430, VS-1, YK-88SN, YK-88CN specifications 5612

Page 94

TS-440S

ADJUSTMENT

• TX ADJUSTMENT

Measurement

Adjustment

0

Item

1 . TX AMPM

2 . Base Current

Condition

1)FREQ : 14 .1750 MH z

MODE : C W

CAR LEVEL control : MA X

RF unit VR 4: CENER

Disconnect DRV connector from RF unit . Then, connect as shown right .

STBY : SEND

2)Reconnect this connector afte r adjustment .

1) FREQ : 14.1750 MH z

MODE : US B

MIC LEVEI control : MI N

CAR LEVEL control : MI N

FINAL unit VR1, VR2 : MI N Connect Ammete r

Q+ : EXT Power suppl y

e : Power connecto r

Adjust to minimum current with VR 1 and VR2 in the Final unit .

STBY : SEND

Tes t

equipment Unit

Oscilloscope RF

Ammeter

Terminal

Unit Part

 

Method

DRV

RF

VR 5

MA X

T13

,

 

 

 

 

 

 

16,

17

 

 

 

 

 

 

CtSCILLO

 

 

5612

 

 

SCOP E

(1/4W )

Final VR1 Current drai n (Minimum current )

+200 mA

VR2 Current drai n (Minimum current ) +Driver curren t (200 mA)+200 mA

Specification/Remarks

First adjust VR1 and VR2 fo r minimum .

Adjust VR1 for an increase of 200 mA when switched t o TX .

Then adjust VR2 for 200 m A over this reading .

3 .

1) ALC

1) FREQ : 14.1750 MH z

Power meter

Rear panel

 

(RF Outpu t

MODE : CW

 

 

 

power )

CAR LEVEL control : ALC scale MA X

 

 

 

 

STBY : SEND

 

 

 

2) Power

2) METER SW : PW R

 

 

 

meter

STBY : SEND

 

 

4 . Power down

1) FREQ : 29 .7000MHz

Power meter

 

 

 

MODE : CW

 

 

 

 

CAR LEVEL control : ALC scale MAX

 

 

 

 

Connect ACC socket pin (PD) t o

 

 

 

 

50 W from NC .

 

 

 

 

STBY : SEND

 

 

 

 

2) Reconnect this connector (PD )

 

 

 

 

to NC after adjustment .

 

 

5 .

Protection

1) FREQ : 14 .2000MH z

1504 R F

Rear panel

 

 

MODE : CW

dummy loa d

 

 

 

Coax . cable to 1 500 dummy loa d

Power meter

 

 

 

should be 1 m long .

 

 

 

 

STBY : SEND

 

 

2) ANT : OPEN

ANT Filter VR1 95 W

VR6 Set to PWR mete r 95 W readin g

Filter VR3 50 W

AN T Filte r VR2 30W

I

1 m

1 m

TX

Pow .M

504

I

 

I

Caution : In no case shoul d the power be adjusted fo r greater than 110 watts .

±2 .5 W

I //

18A or less

6 . ALC meter

1) FREQ : 14 .2000 MHz

Power meter Rear panel

ANT Filter

VR4

Set to S meter "0"

*If this adjustment is per -

 

MODE : USB

 

 

 

 

formed, step 2) Base current

 

MIC LEVEL control : MIN

 

 

 

 

must also be performed .

 

CAR LEVEL control : MI N

 

 

 

 

 

 

METER SW : ALC

 

 

 

 

 

 

STBY : SEN D

 

 

 

 

 

 

2) Connect the AG to MIC Jack .

Power mete r

 

VR4

Set to ALC mete r

 

 

AG : 1 kHz, 5 m V

A G

Filter

 

starting point .

 

 

STBY : SEND

AF VM

 

 

 

 

 

3) AG : 6 dB increase leve l

 

 

VR5

Adjust for maximu m

 

 

(1 kHz, 10 mV)

 

 

 

ALC scale reading

 

 

 

 

 

 

 

AL C

7 . Spurious

FREQ : 21 .2000 MHz

Power meter

RF

VR4

 

-40 dB or less .

 

MODE SW : C W

Spectru m

 

 

MIN

 

 

CAR LEVEL control : ALC scale MA X

analyzer

 

 

 

 

 

STBY : SEND

 

 

 

 

 

94

Image 94
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 circuitMCF L71-0259-05 RF Unit Fl Filter selectiveCeramic filter L72-0355-05 if Unit CF2 BX719 Circuit Descriptio NBX7I91- 851 D27 D2 Fig Notch circui tTransmitter Circuit Descriptio n TS-440$ SWR protection circuit Fig Antenna tuner circuitSWR automatic arithmetic circuit Fig -1 FULL/SEMI BREAK-IN block diagra m Fig -2 FULL/SEMI BREAK-IN timing chartControlsemi Fig -3 FULL/SEMI BREAK-IN timing char t Circuit DescriptionFig 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 matrixFig A/D convertor circui t %--- 1 9 LRIT 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 Rese T SE T DAT a Clock ResetTOP View CLK MB4052 Pin Descriptio n Signal Pin Function sAD C DataBPD SN74LSI38Semiconducto R Pin connectio n Semiconducto RNF B TPD8255AC-5 Control unit IC2 Semiconducto R SCKParts List Chip capacitorsM2 General Marke T For U .S .AFor 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 NationParts No Descriptio n Ref . NoDesti 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 BDF016 C36 NilYPW 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 RECSpectrum Analyzer SPE-ANA AdjustmentJapanese 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 TP4I TP3ITP8I 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 VersionSLP144B Specificationsiparts LIS TRS14GB3D4R7J 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
Related manuals
Manual 4 pages 53.32 Kb

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.