![]() The Zener should be solder between the SBR side of L218 and the shielding case of L221 on the component side of the RF board (X53-3370-11) (A/3). To protect the transceiver, a Zener diode will be used to clamp the SBR line. ![]() The supply current opens L218 and the foil trace at this coil. When the transceiver is in the automatic battery saver mode, the noise pulses overcharge C348 on the RF board causing it to short. 957 (9-1-1990) When the TH-75A is connected to a vehicle battery, ignition or alternator noise can be induced on the DC line. B51-8438-00 and the TK-790(B) service manual as per part No. (KCH-10 and KCH-11 are applicable to the productions June 2001 and after.) In terms of the products with the serial numbers earier than 30300001, refer to the TK-790/(B)/H(B) service manual as per part No. View online or download 2 Manuals for Kenwood TH-75E. You can examine Kenwood TH-75E Manuals and User Guides in PDF.
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