Kenwood TK-5400 Series Service Manual

Contents

62TK-5400 KMC-25 (Speaker Microphone)KMC-25 External View KMC-25 Schematic DiagramPTTPFSSWMSWEUniversalconnector SP/MICSP+SP–5VMICMIC E10μ10μMorethan25V0.01μ++ ++10μShield10K 10KNJM340412K2.7K2.7K–+ 22K22K68 874 510μ++10μ10μ68KECMSUB ECMMAINJP0470P470P1K1K2.2KR12 0SPEarphonejack ø3.5If the earphone jack output is toohigh, adjust the value of resistor R12.SW2PTT10K27KPF1 PF2231156781410KMC-25 SpecificationsMicrophoneImpedance .............................. 2.2kΩSensitivity ................................ –65dB± 4.0dB at 1kHzSpeakerImpedance .............................. 16ΩInput ........................................ 0.5WMaximum input ....................... 1.5WDimensions .................................. 62 W x 81 H x 29 D (mm)Weight (With plug cord) .............. Approx. 220gKMC-25 Parts List ✽ : New partsRef. No. New Parts No. Description ModelpartsA02-3699-08 Case (Front)A02-2093-08 Case (Rear)B09-0382-08 Cap (Phone)D10-0629-08 Lever (PTT)✽ E30-3484-08 Lead wire with plug assyJ29-0644-08 Clip assyJ42-0495-08 Bushing✽ S70-0471-08 Tact switchT07-0359-08 Speaker✽ T91-0584-08 MIC element (SUB)✽ T91-0634-08 MIC element (MAIN)N08-0547-08 Dressed screw