Kenwood NX-720 Service Manual

Also see for NEXEDGE NX-720: Installation guide Instruction manual Technical details Service manual Instruction manual

Contents

NX-720(G)/72050ADJUSTMENT■ Necessary Deviation adjustment item for each signaling and modeThe following shows the necessary adjustment items for each signaling deviation. Please read the following table like the followingexample. In the case of the signaling “QT (Wide 5k/Wide 4k)”, this signaling is composed of three elements [Balance, Maximum Devia-tion (Analog Wide 5k/Wide 4k) and QT Deviation (Wide 5k/Wide 4k)]. Please adjust Balance and Maximum Deviation (Analog Wide 5k/Wide 4k) before adjusting QT Deviation (Wide 5k/Wide 4k).Mode Signaling Necessary adjustment and orderWide 5k/Wide 4k Narrow Very NarrowAnalogAudio 1. Balance adjust2. Maximum Deviation (Analog Wide 5k/Wide 4k)1. Balance adjust2. Maximum Deviation (Analog Narrow)-QT1. Balance adjust2. Maximum Deviation (Analog Wide 5k/Wide 4k)3. QT Deviation (Wide 5k/Wide 4k)1. Balance adjust2. Maximum Deviation (Analog Narrow)3. QT Deviation (Narrow)-DQT1. Balance adjust2. Maximum Deviation (Analog Wide 5k/Wide 4k)3. DQT Deviation (Wide 5k/Wide 4k)1. Balance adjust2. Maximum Deviation (Analog Narrow)3. DQT Deviation (Narrow)-LTR1. Balance adjust2. Maximum Deviation (Analog Wide 5k)3. LTR Deviation (Wide 5k)1. Balance adjust2. Maximum Deviation (Analog Narrow)3. LTR Deviation (Narrow)-DTMF1. Balance adjust2. Maximum Deviation (Analog Wide 5k/Wide 4k)3. DTMF Deviation (Wide 5k/Wide 4k)1. Balance adjust2. Maximum Deviation (Analog Narrow)3. DTMF Deviation (Narrow)-2TONE/5TONE1. Balance adjust2. Maximum Deviation (Analog Wide 5k/Wide 4k)3. Single TONE Deviation (Analog Wide 5k/Wide4k)1. Balance adjust2. Maximum Deviation (Analog Narrow)3. Single TONE Deviation (Analog Narrow)-MSK(FleetSync)1. Balance adjust2. Maximum Deviation (Analog Wide 5k/Wide 4k)3. MSK Deviation (Analog Wide 5k/Wide 4k)1. Balance adjust2. Maximum Deviation (Analog Narrow)3. MSK Deviation (Analog Narrow)-NXDNAudio - 1. Balance adjust2. Maximum Deviation (NXDN Narrow)1. Balance adjust2. Maximum Deviation (NXDN Very Narrow)CW ID - -1. Balance adjust2. Maximum Deviation (Analog Narrow)3. CW ID Deviation (NXDN Very Narrow)Receiver SectionItemCondition Measurement Adjustment Specifications/RemarksPanel tuning mode PC test mode Test-equipment Unit Terminal Unit Parts Method1. AF levelsetting[Panel test mode]1) CH-Sig: 1-1SSG output:–47dBm (1mV)(MOD: 1kHz/±1.5kHz)Wide 5k/Narrow:NarrowBeat Shift:UncheckCompander:Uncheck1) Test ChannelChannel: 1Test SignalingMode: AnalogSignaling: 1Wide 5k/Narrow:NarrowBeat Shift: UncheckCompander:UncheckSSG output:–47dBm (1mV)(MOD: 1kHz/±1.5kHz)SSGDVMAF VM4DummyloadOscillo-scopeANTExt.SPcon-nector[Paneltuningmode][ ],[ ][PC testmode][ ],[ ]Volume Up/DownKey to obtain2.83V AF output.(2.0W @ 4 load)2.83V±0.3V(Volume Button in PCtest mode screen)