Kenwood TS-990S Service Manual

Also see for SP-990: Instruction manual

Contents

TS-990S187ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications/RemarksTest-equipment Unit Terminal Unit Parts MethodMAIN RX50M FM S-meter• Full scale(Lights upall)2) Menu No.: 31 (50.2MHz, FM)FIL/SEL(M): 15kHzSSG f.: 50.200MHzSSG output: –95dBm(3.98μV)MOD: 1kHzDEV: 3kHzSSG RearpanelANT 1 Frontpanel[UP]/[UP-DATE](F5)Set the SSG, pressthe [UP]/[UPDATE](F5) key.• Full scale2 (Lights upall)3) Menu No.: 32 (50.2MHz, FM)FIL/SEL(M): 15kHzSSG f.: 50.200MHzSSG output: -81dBm(19.9μV)MOD: 1kHzDEV: 3kHz41. MAIN RX50M FM SQLthreshold1) Menu No.: 33 (50.2MHz, FM)FIL/SEL(M): 15kHzSSG f.: 50.200MHzSSG output: OFFMOD: 1kHzDEV: 3kHz42. MAIN RX50M FM SQLtight1) Menu No.: 34 (50.2MHz, FM)FIL/SEL(M): 15kHzSSG f.: 50.200MHzSSG output: –113dBm(0.501μV)MOD: 1kHzDEV: 3kHz43. SCOPEgain1) Menu No.: 35 (14.2MHz, CW)P.AMP: ONFIL/SEL(M): 2.7kHzSSG f.: 14.2MHzSSG output: –40dBm(2.24mV)44. SUBRX AGCstart level(73M/6kHz)1) Menu No.: 40 (14.2MHz,USB)P.AMP: ONFIL/SEL(S): 10M 6kHzAGC: OFFSSG f.: 14.201MHzSSG output: –110dBm(0.707μV)[UP]/[+](F5) or[DOWN]/[-](F4)Using the [UP]/[+](F5) or [DOWN]/[-](F4) key, adjust tothe point when “A/Ddata” displays “1” forthe fi rst time.45. SUB RXAGC startlevel(73M/2.7kHz)1) Menu No.: 41 (14.2MHz,USB)P.AMP: ONFIL/SEL(S): 10M 2.7kHzAGC: OFFSSG f.: 14.201MHzSSG output: –110dBm(0.707μV)