Kenwood TK-860G Service Manual

Also see for TK-860G series: Instruction manual Instruction manual Service manual supplement Service manual Service manual

Contents

49ADJUSTMENTMeasurementTest-equipment Unit TerminalAdjustmentUnit Parts Method Specifications/RemarksConditionItemTK-860G/862GReceiver Section1. Discriminator 1) Set test mode SSG Rear ANT TX-RX L5 AF output maximum.• Wide CH : CH1 - Sig1 panel (A/2)SSG output : –53dBm/501μV AF VTVM ACCSSG MOD : 3kHz Oscilloscope (EXT.SP)AF : 1.4V/4Ω2) SSG MOD : OFF DVM TX-RX IC5 9pin 0.7V DC(A/2)2. Sensitivity 1) Set test mode SSG Rear ANT TX-RX L13 RSSI voltage• Wide Select “SENS” in tuning mode. panel (A/2) L22 maximum.“S.E.N.S” AF VTVM ACCAdjust [250] Distortion (EXT.SP)SSG freq' meter: 489.950MHz K,M Oscilloscope: 429.950MHz K3 AGSSG output : –116dBm/0.35μVSSG MOD : 3kHz DVM TX-RX RSSIAF output : 1V/4Ω (A/2)2) “S.ENS” Front CH / RSSI voltageAdjust [***] panel maximum.SSG freq': 450.050MHz K,M: 400.050MHz K33) “S.E.N.S._.”Adjust [***]SSG freq': 470.050MHz K,M: 415.050MHz K3MeasurementTest-equipment Unit TerminalAdjustmentUnit Parts Method Specifications/RemarksConditionItemCommon Section Since the TK-862G cannot be tuned from the panel, the FPU (KPG-56D) should be used for adjustment.1. PLL lock 1) Set test mode DVM TX-RX CV PLL TC106 7.5V K,M ± 0.1Vvoltage CH : CH3 - Sig1 Power meter (A/2) 6.0V K3RX F. conterTX 2) PTT : ON (Transmit) TC109 7.5V K,M6.5V K3RX 3) CH : CH2 - Sig1 Check 0.9V or more K,MAUX : ON (talk-around mode) 1.0V or more K3TX 4) PTT : ON (Transmit) 0.9V or more