KT-80
Contents
1. KT 80 An item of adjustment is written in three languages English French and German Un article sur r glages est crit en trois langues Anglais Francais et Allemand Ein Artikel der Abgleich wird auf drei Sprachen Englische Franz sisch und Deutsch geschrieben PKenwooo FM STEREO TUNER CONTENTS EXTERNAL VIEW INTERNAL VIEW DIAL CORD STRINGING BLOCK DIAGRAM EXPLODED VIEW ADJUSTMENT REGLAGES Uds ABGLEICH ADJUSTMENT R GLAGES ABGLEICH PCBOARD SCHEMATIC DIAGRAM SPECIFICATIONS PARTS LIST a fh 4 EXTERNAL VIEW Knob Dial pointer Knob K27 0104 14 B21 0037 05 K27 0105 04 LEE Front panel A20 Dial calibrations Knob B20 0452 04 K21 0377 04 Terminal E29 0094 05 TO PRESENT SHOCK 00 NOT REMOVE GVEA NO USER SERVICE AE PANTS BSE E YN Sing MEO SERVICE PERSON Foot Power cord J02 E30 Refer to Parts List INTERNAL VIEW DIAL CORD STRINGING DIAL CORD STRINGING 1 2 Tie the end of the dial cord to the spring Hook the spring to the boss A and B Dress the dial cord in the direc tion of 1 and wind it 2 turns around the dial shaft starting from its upper side Dress the dial cord in the direc tion of 3 through 7 Wind the dial cord 2 turns around the2. 2 x 0 LEFT Bir 10 16 8 gt Lan 1 5 6V ice amp R74 150K ov N 10 89 amp 54v 106 LE ee 15 z 12 a V E 9x 55 z E 5 2 ov O 2 86 1 z AF o R103 5 o 1508 2 ON OFF R72 22K Y DR av 6 2V Sk gt R76 at 400K 3 m 105 85 XO5 1712 71 m on E 0 4 2 7 ek Ha RB3 2 x bx s5 22 2 REC CAL 9 9 5 fs 25 150mv e 758 758 lt i TES 2 we welt 5 o NT R36 gt 21 554 38 8 5 75 5 L 1 c50 of Xa 4 Provided for M type oniy vr2 EEN L a ix cas Aa 35 3320 cus 10 16v 4 T x A c75 Q1 2SC1675 8 1 50 Q2 3 5 8 10 11 Ics i3v 3 5 5 17 8v 12 8v ANG 12SC2320 or 250945 oy a CREE ESQ MER ld RIOT ba Q4 2SK105 Amp Post 22K B mp Q9 2S0330 E F Bones ex rt rd supply 2 1C4 TA7O6OP TE REC CAL z nenronizi IC2 HA1137W Dectiop Detector 51 1 91 2 AN610 FF 14 IC4 sl Pes gr IC5 HA12016 ot s si IC6 AN6551 2 RPM Amo DA IC7 M51903L 240 berecior Switch 2 IC8 135 Le 3 ET ST MONO 38KHz Sw 08 9 11 12 1191555 Phase or 152076 v co Detector or Lamp Zn L90 D13 1N6O po D16 17 20 WO6B 1 D19 1S2076A 16 15 14 13 12 n 10 D21 Z 060 V D24 XZ
3. 42 3032 05 540 2092 05 540 2092 05 540 2092 05 40 2100 05 46 2100 05 31 2047 05 v11 0076 05 v11 0076 05 v11 0076 05 v11 0076 05 V11 0051 05 v11 0295 05 v11 0273 05 v11 0295 05 v11 4101 20 11 4102 70 11 0076 05 v30 0087 05 v20 0132 05 v30 0356 10 v30 0296 20 V30 0359 10 v30 0353 10 v30 0295 10 V36 0357 10 V03 1675 00 v03 2320 00 v03 232C 00 v03 2320 00 v09 0127 20 v03 2320 00 v04 0330 20 v03 2320 00 n02 0027 05 FL PROOF RD FL PROOF RD RN FL PROOF RO FL PROOF RD FL PROOF RD FL PROOF RD FL PROOF RO FL PROCF RO FL PROOF RD FL PROCF FL PROOF RS RC TRIMMING TRIMMING TRIMMING PUSH PUSH PUSH PUSH PUSH PUSH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH 100 160 6 8k 18 100 100 100 18 100 22 RO220 180 2 2 POTENTIOMETER POTENTIOMETER POTENTIOMETER Gr SLIDE SWITCH EMPHASIS 555 555 555 0 WO6B 151 151 151555 151 156 1520764 WO65 060 xz 162 151555 TA7060p HA1137w AHE10 TR 4O10A HA12016 55 519031 AN6135 25061675 2562326 2562320 25 2320 25K105 2562320 250350 2502320 2182076 152076 152076 152076 152076 256945 2 695 amp 5 2280945 256945 256955 LEM FRONT END FM FRONT END W02 0027 05 v11 3100 50 v30 0345 10 v69 0150 10 152236 sc114 35x85 PARTS LIST CERAMIC CAPACITORS WITH AN NEW A
4. 10 wp 6 8K 5 6K P 68K c GI ed 0015 ne 10 6 8K 3 3 3 ues 2 Sl OZEZISZ SLYLDSZ 5 655 99 5 y 29 901 582 G8HSE gouepaduil Indul A UAOT WOA Aq pa nsesw 818 24 TEO6LSW 559 SELINV MLE VOLOPYL SLOZLVH ONINAL A021 AOZZ 9858 2HO9 0S A022 AOS OV 3 d 3 7HO9 AOZIDV 038 33A1 1 ZHO9 0S AObZIV 8 9 1 09 0 X n W AOP2 022 AOZ 02 9 LLL ASZ 001 AGE N 82 x p wolvino3H 39v110 b78 L Z SOX 038315 831114 51 Agi OO 22 81 928 Agi Ose 422 Dem A did Emm garan 20129190 ahoyon Ayadng samog Adans samad pappunis 2t 292 PADON KL SOX NDS 15 430 440 440 NO OLN 420 NO N2071 Any Iwo 938 3900 edhi ox Ubi 39819 20 pepiaoig 301
5. MHz 1 kHz Mod z 68 25 kHz Dev Diaphonie 2 SEPARATION SELECTION L ou R 95 MHz vie minimale Signal pilote 60 dB ENTREE ANT 95 MHz n Mettre en court T1 Distorsion 3 TFI 1 idem circuit la source et e Partie frontale minimale le drain de O4 95 MHZ Le circuit AFC cont 4 TFI 2 idem r le automatique de T2 idem fr quence est en fonctionnement Le niveau de sortie REC CAL de REC CAL est la 5 REC CAL ON VR3 moiti du niveau de REMARQUE SUR LE R GLAGE en SSVM l extr mit 2 amplification Compteur de fr quence La sortie normale est d riv e quand un signal SG g n rateur de signal de 1 kHz d viation 75 kHz est aliment la borne d antenne Valeur de r f rence de la sortie normale 750 mV Valeur de r f rence de la sortie REC CAL 375 mV 3 Repeter les points 3 et 4 plusieurs fois 4 Le n a pas besoin d tre r gl Voir le manuel d entretien du KT 615 5 O dB 1 uV sortie normal 2 BLOCK DIAGRAM AlddNS YAMOd NOILD3S ONILNW NOIL93S H313N 5 HO UO 19MOg HO UO 1793 938 HO UO 3907 dwe asioy 935 ISO 8011950 IN 38 ISO 1v9 934 1 SISVHdW3 30 NOJ1O3S 23 40193134 35104 H3XIW NOIL23S NOI193S d ZHW B3XIW NOIL93S 44 puc H3l3W L 151 INSTRUCTION FOR PART
6. dial pulley starting from its upper side Fix the dial cord to the rear side boss Remove the dial spring from the boss B Fully open the variable capaci Or ount the dial pointer as il lustrated Power transformer LO1 Tuner ass y X05 Refer to Parts List Dial pulley Dial shaft Dial pointer amp 6 Pulley EXPLODED VIEW M328 d Bi 18 Bt Tep M3x8 81 Br Top 8r Topt PAR Ei w3x8 Br Tap ADJUSTMENT TEST EQUIPMENTS ALIGNMENT CONNECTION SETTINGS TUNER SETTING OUTPUT INDICATOR ADJUSTMENT POINTS REMARKS 95 MHz O Dev 60 dB ANT input Frequency counter to C34 via SSVM Set SSVM so that the waveform is clipped for preventing the in fluence of the hum 1 SEPARATION 95 MHz 1 kHz Mod 68 25 kHz Dev SELECTOR Lor R Pilot ON 60 dB ANT input Minimum crosstalk IFT 1 ditto 95 MHz Short circuit the sou rce and drain of Q4 T1 Front end Minimum distortion IFT 2 ditto 95 MHZ AFC in operation 12 ditto REC CAL SSVM Hot side amplification Frequency counter REC CAL ON The standard output is derived when an SG signal of 1 kHz 75 kHz deviation is fed to the antenna ter minal Reference value of the
7. ovd a 099 vv HOOL un yon 94 192 OZB bu 8 Bu 2bo 919 o 5105 550 48 8 p 1 buin pny as nia 2 EN OO 6H YANAL 039315 WI PC BOARD 710 Component side view E24 0094 05 O O Oj Brunzy J 60 C86 sk RIS Sev SAVICE 2 eV Q4 yes ASS 28 as ji AN 6558 AR 2 PX How 21 900 8 93 25 TS Ye 93 77 av Fr 52 Pan 6 i DS Te 55 531 1047 06 TE WE M SP 540 2100 05 Lg GG anaa A product of TRIO KENWOOD CORPORATION Shionogi Shibuya Building 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan RP KENWOOD U S A CORPORATION 1315 E Watsoncenter Rd Carson California 90745 U S A 75 Seaview Drive Secaucus New Jersey 07094 U S A TRIO KENWOOD CANADA INC 1070 Jayson Court Mississauga Ontario Canada LAW 2V5 TRIO KENWOOD ELECTRONICS N V Leuvensesteenweg 504 B 1930 Zaventem Belgium TRIO KENWOOD ELECTRONICS GmbH Rudoif Braas Str 20 6056 Heusenstamm West Germany TRIO KENWOOD FRAN
8. standard output 750 mV Reference value of REC CAL output 375 mV 3 Repeat the alignment No 3 and No 4 several times 4 Normally T3 needs no adjustment See KT 615 service manual 5 O dB 1 pV REC CAL output is half the level of the standard output 2 ADJUSTMENT REGLAGES ABGLEICH TEST INSTRUMENTS Oscilloscope AM signal generator FM signal generator Audio generator AC voltmeter FM multiplex Frequency counter DC voltmeter generator AC voltmeter APPAREILLAGE Oscilloscope Generateur MA Generateur MF G n rateur audio fr quences Voltm tre G n rateur mul Fr quencem tr Voltm tre CC Distorsiom tre Antenne fictive Scope Distortion tiplex st r o E nent meter PRUFINSTRUMENTE Oszilloskop MW Signalgenerator UKW Signalgenerator NF Signalgenerator Wechselspannungsmesser UKW Multiplexgenerator Frequenzz hler Gleichspannungsmesser Klirrfaktormesser Antennennachbildung Dummy antenna Ti 3 iFT 1 REGLAGES no ALIGNEMENT APPAREILLAGE REGLAGE DU INDICATEUR POINTS DE REMARQUES RACCORDEMENT REGLAGE TUNER DE SORTIE REGLAGES Compteur de fre quence a C34 par 95 MHz c ME qs ose SVM Bir 60 dB ENTREE ANT 8 VR1 76 kHz la forme d onde soit cr t e pour emp cher l influence du souffle 1 95
9. 142 2 ev f2 2v 22 Le 367 C3 SE FEV A a ox gt C39 IVIST 6 ET 184 NUR 9 3 3 50 ww 8 Bm R30 10K T E A U gt 2 H R29 tK HA1201 T C91 C92 D h dz 1142 HA1137 a e emphasis 3 011 Power switch CEES Fari gt Fese R119 R120 R93 8 ASO TA 7060P TR4010 Parts No Ref No C4344 C45 46 ca7 48 51 C53 C56 60 P x05 1711 01 S40 2100 05 L79 0110 05 9 0079 05 co 22 0015 N P N P M X05 1710 21 540 2100 05 L79 0110 05 C91 0023 05 c91 N P N P 0027 0915 05 1212 71 sao 2092 05 L79 011105 54 3310 39 c91 92 NP 001 NP NP x x08 1712 711 S40 2100 05 179 0110 05 c91 0023 05 c91 N P 001 NP K X05 1710 11 540 2100 05 L79 0110 05 91 0079 05 c91 2 2M 0078 N P N P 10 P Provided N P Not provided 7 SAS aul p C 2 FM STEREO TUNER 3 lepp ee RI 3 3K 68 C16 047 R20 330 RIG 1 8 Provided for other than type OFF Power Supply Vol
10. CE S A 5 Boulevard Ney 75018 Paris France TRIO KENWOND AUSTRALIA PTY LTD 4 Woodcok Place Lane Cove N S W 2066 Australia KENWOOD amp LEE ELECTRONICS LTD Wang Kee Building 5th Floor 34 37 Connaught Road Central Hong Kong 1979 12 1983 12 PRINTED IN JAPAN B51 0667 00 100
11. PPEARANCE In the KT 80 ceramic capacitors with an appearance the same as carbon film resistors are used for the first time 1234 5 IT Fig 1 Appearance The body is colored light green when the voltage rating is 50 V and pink when it is 25 V The coding and color values are the same as those for the fixed carbon film resistor RD resistor except that the fifth color band characteristics is added Table 1 151 and 2nd 3rd band 4th band 5th band Char 1 bands Sig fig Multiplier Tolerance acteristics Brown 1 10 Red 10 Orange 103 104 Yellow Green Blue Violet Gray White Black Gold Silver 151 and 2nd bands value in Example 1 1stband Yellow 4 2 2ndband Violet 7 3 3rdband Black 10 47 pF 596 SL 4 4thband Gold 5 5 5thband White SL There are three types of ceramic capacitors with this ap pearance 1 Fixed ceramic capacitor Type I Standard CC14SL1HXXX Parts No C71 17XX xO Capacitance 120 pF or less Size Same as 1 8 W carbon film resistor This type of capacitor has a low capacitance a high Q and superior temperature characteristics This type is used for temperature Compensation 2 Fixed ceramic capacitor Type II Standard CK14B1HXXXK CK14D1HXXXM Parts No C52 17XX X6 for CK14D1HXXXK C53 17XX X7 CK14D1HXXXM Capacitance 150 1500 pF Size Same as 1 8 W carbon f
12. S LIST Ref No Parts No Description a CODEs in X05 1710 K X05 1710 11 a 4 PM 05 1710 21 401 0608 12 METALLIC CABINET P X05 1711 01 A20 1979 11 FRONT PANEL ASSY T X05 1710 51 19 2A A2001979 11 FRONT PANEL ASSY A20 1979 11 FRONT PANEL ASSY E X05 1712 71 A20 1979 11 FRONT PANEL ASSY m TI R43 1333 15 FLePROOF RD330 FLePROOF 0680 J 2 TRIMMING POT 20K B POTENTIOMETER OUTPUT TRIMMING POT SK B R43 01368015 VRI 2 R1293301 05 R19 4305 05 R12 2302 05 D Exploded view drawing No Position in exploded view I Symbol of new parts 4 Area to which parts are shipped Example A20 1979 11 is the parts No of FRONT PANEL ASS Y for the type products for USA When this column is blank it means that the same type of parts same parts No are used for the products shipped to all areas 8 Reference No in schematic diagram 8 Abbreviation of Flame proof metal oxide film resistor All capacitors and resistors are listed using abbreviations Abbreviations Abbreviations of capacitors Parts No with initial letter C ELECTRO Electrolytic capacitor LL ELEC LOW leak electrolytic capacitor eo Non pole electrolytic capacitor MICA Mica capacitor POLYSTY Polystyrene capacitor MYLAR eese Mylar ca
13. ilm resistor 150 1000 pF Same as 1 4 W carbon film ressitor 1500 pF This type of capacitor has a large capacitor Since the temperature characteristics are not good this type is not used for temperature compensation 3 Fixed semi conductive ceramic capacitor Parts No C91 XXXX 05 Capacitance 1500 22000 pF Size Same as 1 4 W carbon film resistor This type of semi conductive ceramic capacitor has higher permittivity and larger capacitance than the type I and has superior temperature characteristics Provided for E type only Txhz t75kHr 6048 D BALUN XO5 1712 71 A 4 Fern AM nun ov av 13V s x c2 T Cr us tea toon 91 B ua 13 cm D 6P E 1 7 Q1 3SK85 01 152236 IC1 SC 14 3 3K 140 2 ee RIGHT gt NE wal 5 3 ge gt xo Poy m sm f BE
14. pacitor CERAMIC Ceramic capacitor TANTAL Tantalum capacitor Mises Metallized film capacitor Oii ses sack Oil capacitor The unit UF is used In ied of nF Abbreviations of resistors Parts No with initial letters RC Carbon composition resistor m Carbon film resistor FL PROOF RD Flame proof carbon film resistor RW assisted Niel Wire wound power resistor Flame proof metal oxide film resistor Metal film resistor Rated wattage 1 8W Rated wattage 1 4W Rated wattage 1 2W Rated wattage iW Rated wattage 2W Rated wattage 3W Rated wattage 4W Rated wattage 5W All resistor values are indicated with the unit Q omitted Abbreviations common to capacitors and resistors C sss 0 25pF Used for capacitors only D 0 5pF Used for capacitors only Fr 196 G 296 ds 5 10 Men i 20 Za 80 20 Used for capacitors only P 100 0 Used for capacitors only 8 Resistors RD lesben cumsosition resistors are not listed in the parts list For values refer to the schematic diagram 11 Parts No dX Description Bmha R amp amp 1210 15 R43 1210 15 R49 6268 23 R43 1218 05 R43 1210 15 R amp 3 1210 15 R amp 3 1210 15 R amp 3 1218 05 R amp 3 1210 15 R43 1222 05 R43 1222 15 R amp 7 5518 15 R92 0173 05 R12 1041 05 R12 3051 05 R12 3046 05
15. tage Detector Voltage Detector 8 x oo l g 6 BL2L3 TCRIG TcR20 AV Lod a ga La ty 9 Sc zn o QA s 8 1 vU Sur 2 2 8 x 5 6 2 e e R74 150K x 8 C3 rm z E er PEAKING 2 lt ov a Qa 59 eel A i ES C56 4 7 25V 8 FT 8 x gs 2 z ios 3 M 1 o H 4 E aH TET m REC CAL 2 4 lt z l9 R52 100K 150v e gt FEL AEN of noj lt a CAS ECAT XC4B C46 vR2 SEPN 22 E f l P 277 RIOT Lud 5 22K p SOE rd CAL MODE MUT S1 1 51 2 Ir x SZ Fug 8 Der 4 gt re se 3 RET 1 c36 18 i MON 55 ox we 7x ED 5 vo 33 50v 8 TR ab 8 Go BOOK GASH R29 ik HA12016 HA1137W De emphasis Fuse 2 3 011 12 TA 7060P TR4010 1 I ma 120 R93 Ta as 4e ASO 0104 AN6135 C43 44 C45 46 C47 48 7 j AN6551 M51903L 2 0015 10 we 5 8K 5 6K iok N P 0027 9015 10 N P 5 6K 6 8 10K 001 N P 27 P 6 8K j5 6K 10K P G 001 NP NP
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