Kenwood KMC-18 Service Manual

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Summary of Contents:

[Page 1] Kenwood KMC-18

DTMF MICROPHONE KMC-18/18A SERVICE MANUAL PACKING (G53-07;),,-uo I·-~ KNOB (K24-2004-0S) CASE (FRONT) (A02-1744-0S) CASE (REAR) (A02-1745-0S) KEY TOP (K29-4S56-0S) KENWOOD © 1993-2 PRINTED IN JAPAN 851822000(J)972 --------CONTEN...

[Page 2] Kenwood KMC-18

KMC-18/18A 2 INTRODUCTIONS II\lTRODUCTIOI\lS --- KMC-18/18A (DTMF MICROPHONE) The KMC-18/18A is a DTMF microphone for mobile transceivers with a 6-pin modular connector. The KMC-18 is Q standard microphone, the KMC-18A, a multi-funct...

[Page 3] Kenwood KMC-18

KMC-18/18A SEMICONDUCTOR DATA ~PD75008-732-3B4 : KMC-18A (lC2) Pin Terminal 1/0 Function No. Name 1-3 P70 - P72 I Key data input 4 P63 0 PTT output 5 P62 0 HOOK output 6 P61 0 Backlight: Bright (Output high: Bright is sel...

[Page 4] Kenwood KMC-18

KMC-18/18A PARTS LIST " New Parts Par ts wi tnout Parts No . are not supplied. Les article s non mentionnes dans Ie Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert . Ref. No. Address New ...

[Page 5] Kenwood KMC-18

KMC-18/18A PARTS LIST ~ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans Ie Parts No. ne sont pas fournls. Teile ohne Parts No. werden nicht geliefert. Ref. No. Address New Parts N...

[Page 6] Kenwood KMC-18

KMC-18/18A EXPLODED VIEW A 6 ...

[Page 7] Kenwood KMC-18

/' ( / / / /' \/ KMC-18/18A PACKING -- . ~ ] / ) /. 3 Instruction manual ~ / ~ (862-0354-08) 7 ...

[Page 8] Kenwood KMC-18

KMC-18/18A 8 ADJUSTMENT The DTMF tone deviation has been adjusted at the factory, so does not normally need to be adjusted. • DTMF tone deviation adjustment (for KMC- l8/l8A) 1. Remove the three screws securing the back ...

[Page 9] Kenwood KMC-18

KMC-18/18A TERMINAL FUNCTION Connector Terminal Terminal Terminal function No. No. Name Connector Terminal Terminal Terminal function No. No. Name KMC -18 KMC-18A CN1 1 E GND CN1 1 E LED dimmer control 2 C1 Key matrix...

[Page 10] Kenwood KMC-18

o r-------------------------------------------------------, I :-:1---------------- 1 CN' w, 1 III [2] rn , 3 r- ~f-<> '3 ;;-'-0- n'-o--, "'0- ~ LI '2 T r r ~''',d''...

[Page 11] Kenwood KMC-18

r---------------------------------------------------- I IC1 v+ N/C 18 V+ TONEI.!'-'-'---+--+--+--l- Xt.lRT STi 16 L -- ~C1 R" S L ___ ---"j C2 R21-"-=:4 __ ----' L ---- -"1 C3 R31-"-&qu...

[Page 12] Kenwood KMC-18

KMC-18/18A Element Type Impedance Sensitivity Voltage required Current drain Operating temperature range Output impedance DTMF tone output level Frequency stability Tone distortion SPECIFICATIONS :0 10 mm ECM : 1 KQ ± 30% : -64 ...