Kenwood TK-7100H Service Manual

Also see for TK-7100H: Specifications Service manual

TK-7100H10REALIGNMENT / INSTALLATION7. Ignition Sense Cable (KCT-18)The KCT-18 is an optional cable for enabling the ignitionfunction. The ignition function lets you turn the power to thetransceiver on and off with the car ignition key.7-2. Connecting the KCT-18 to the Transceiver1. Install the KCT-39 in the transceiver. (See the KCT-39 sec-tion)2. Insert the KCT-18 lead terminal ( 1 ) into pin 2 of the KCT-39 ( 2 ).7-3. Modifying the TransceiverModify the transceiver as follows to turn the power on andoff with the ignition key.1. Remove the jumper resistor (0Ω) R71 of the TX-RX unit.■ Setting With the KPG-80DSelect “External Devices” from the “Edit” menu and en-able the “Ignition Sense”.Fig. 721131513R71CN2TX-RX UNITComponent sideFig. 81. Optional Board1-1. Voice Scrambler Board Connection■ Modification1. Remove the cabinet and shielding cover from the trans-ceiver.2. Delete R202 and R267 on the TX-RX unit.A987DCBAA1213789101112112BA11CA10DA9E12345B56B77A88A79A310B1111B912B4E18Voice scramblerboard12 pins lead wirewith connector (A)E37-1081-05CN212651110145791111111 pins lead wirewith connector (B)E37-1080-05CN3R267CN3R202TX-RX UNITComponent side■ ConnectionThe functions of pins of CN2 and CN3 on the TX-RX unitare shown in the TERMINAL FUNCTION section (page 34).Fig. 1Fig. 2