Kenwood TH-22A Service Manual

TH-22A/AT/E
SPECIFICATIONS
GENERAL
Frequency range (MHz)
URS, r= | )- (0 [= enn 144 to 148
EUrODG ......cccecccccesesecesseseeecseneeeceeeereaeeeceseeeeseescrseaeeeeeseeeecnaesessneeauesensseeeeeses 144 to 146
AUSTENITE oe cece ccce cece ceesecee cece aeeeccesceeecese cess enesaeeeneeeaeeecea esse eeeesereeee enna enees 144 to 148
General Market 2... cc cccc cece cee cecneneeaaeeneeeeeeeeees seeeenenaaeeaeeseeeeenesennaeaans 144 to 148 '
MOE... cccccecccees cesses seeeeseceseeesuee suse eseasess seeeesee ease caeseeeseeus eeaaeaecease teeeaeseueeeneeeaeegs F2, F3 (FM) |
Usable temperature range ............. eee cece cee cuseaaeeaeeesuensaee aes cecauaee nese secneeeaeenerees -—20°C to +60°C (—4°F to +140°F)
Rated voltage _
External power supply (DC IN)... ccc cececeeceteceeceseseseceaeeesesnaesneeesecneeanieeies 5.0 to 16.0 V DC (13.8 V DC)
Battery terminals .......... cece ceeneneeceenteee cree aeceeeeeeeeaeeeeeeeaees teeeeessaeeeseeaeees 4.0 to 15.0 V DC (6.0V DC)
Current drain (Approx.)
Receive with no signal (AVEraQe)....... eee ceese cers ceeeeeaeeceeeenreneeecneaeees 45 mA
Battery Saver ON.....cccccccccssecseeceeeceeeceeeceeecesecnsesesteeaeceaeeessenaesnascnseenieesseenags 15mA
Transmit with H, 13.8V DC (Ext. power SUPDIY) ........ ee cee ere ceeeeneeaeeeeees 1.3A
Transmit with H, 6.0V DC (Battery)...... 0... ccc cececeeeceteaeeeeeneeneeaeeesenneeeeaeeeeenes 1.3A
Transmit with L, 6.0V DC (Battery) 0.0.0.0... ec ceeecseecreeeeetteeeneeeeeeeereaeeneeeeenaas O5A |
Transmit with EL, 6.0V DC (Battery) 0.0.0... cc cccceeecseeceeseneesees ceeeseeeeeaeaeeeennas 250 mA
GIOUNGING MEthO” .........cccccccceecececeseceseceaeeeeeerseceneeeeeeeeaeeeetaeeraeceaeeneeeraeseeenaes Negative ground
Dimensions (WXHXD) ......... cece ccee cee eeeeeeteeneeceeeseesaeeesneeaeeeesesaeeeeneavereneesies 56 x 116.5 x 24.5 mm
Dimensjons (Projections iNCIUGEC)........ sees c ete cee cee tenets eee eterna 65 x 130.5 x 29.8 mm
Weight? (APDIOX.) cece scccsccsecceecees cee eeeeeeee tees crea eateaeeeceee ate cessseeseneesenessaeeseenennnes 290 g
MICrOPNONE IMPCCANCE 2... eee cee eee ceee tee ceneten ates eee ecneenes eran seeeteee eee enna 2kQ
ANTENNA IMPEMANCE 20... cece cece ceeeeeee ce eeeeee cess cess aeeeeneeaeeeceagesee sees neon enna neeeseees 50 OQ
TRANSMITTER
Power output (Approx.)
nF RSS ee 5 W
H, 6.0 Voice ccececcscesceneeceeaseecececess cee eeeecesscsesseseeeeeceeeseeeseeeeneteseseesuaneneeseees 3 W
LO. Vivi iee ce ccccecsceseceeeccsecnseseeecesscseeseeeceeecees cneeaeerereseeeseraaaesceeaaeeeeeessageaeeey 0.5 W
FL, 6.0OV ce coco uence e pect eteeseneceteuseeeseeceisssseceeserstseeeeseeesenatees 30 mW
MOduUlation oo... cece cece cece cece cece cece sees enee ceeeceeeeceeeeeeceeeeaee noneniietendeneeseeeeeteneeegeees Reactance
Maxmimum frequency GeviatiOn ..........c cece reece ences reenter eeesneneeee sess tet ares +3.5 kHz to +5 kHz
SPUPIOUS EMISSIONS. 20.0... ccc cece ceeseeee cee cee ceeesereaeceseeeneeesussaeeeenssateesnnniereeennanes —60 dB or less
RECEIVER
CHCUILY 0. cece ccee cee ceecececeeeceeeececeeeceeecneeceneceae sone aeceneeeeae ciaesesaeascnseeesaees eee eeeey Double conversion superheterodyne
Ist intermediate freQUENCY......... cc ceccceeetececceeceecetetete cate seeeeseeaes coeeenesanseaeeeenees 45.05 MHz
2nd intermediate frequency ........... desc eaeeceeecessuaeeaececeuseuseaeeecese esse aeeeseaeseeasenenes 455 kHz
Sensitivity (12 dB SINAD) ue ce eee eeeeeene ce seneeeceeeeneeseneeneeceesesseneneenenaes -16 dBp 0.16 pV or less
Squelch SeNSItivity ........ cece cee eeee cece cere cree cee sees ceeeeeeeescaecneeeeseavssessaeeneeeensees —20 dBu (0.1 pV) or less
selectivity
GB... cece ecteeeeeeeeneee deve eee cecesececeeeseeecees ecu eueneeeesees sues eesaenaa eeaaaaeeuaeeeaeeaees 12 kHz or more
oOo | = Scere 28 kHz or less i
Audio output (10 % GIStOrtiON) 0... eee cen ee eres tenes cee sereneeateecnseaeeennereees 200 mW or higher (8 Q load)
' Some versions have reduced RX and TX range: 144 to 146 MHz.
Antenna, hand strap, belt hook, and PB-32 included.
KENWOOD CORPORATION
Alive Mitake, 2-5, Shibuya 1-chome, Shibuya-ku, Tokyo 150, Japan
KENWOOD SERVICE CORPORATION
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A.
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembriicker Str. 15, 6056 Heusenstamm, Germany
KENWOOD ELECTRONICS BENELUX N.V.
Mechelsesteenweg 418 B-1930 Zaventem, Belgium
TRIO-KENWOOD FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
TRIO-KENWOOD U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB United Kingdom
KENWOOD ELECTRONICS NEDERLAND B.V.
Amsterdamseweg 35, 1422 AC Uithoorn, The Netherlands
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129 Milano, Italy
KENWOOD ESPANA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
{A.C.N. 001 499 074)
P.O. Box 504, 8 Figtree Drive, Australia Centre, Homebush, N.S.W. 2140, Australia
KENWOOD & LEE ELECTRONICS, LTD.
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8

Kenwood TH-22A Specifications

General

Brand	Kenwood
Model	TH-22A
Category	Transceiver
Language	English