Kenwood TK-80, Руководство по обслуживанию

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TK-80
24
Pin No. Pin Name Port Name Description
10 B7 O3 RX band select 7. ON: 14.5MHz
≤
f<21.5MHz, OFF: Other
11 B6 O2 RX band select 6. ON: 10.5MHz
≤
f<14.5MHz, OFF: Other
12 B5 O1 RX band select 5. ON: 8.0MHz
≤
f<10.5MHz, OFF: Other
I/O Port Expansion: BU2099FV (TX-RX unit IC15)
Pin No. Pin Name Port Name Description
6 IF1 Q0 IF filter selection. ON: 6.0kHz selection, OFF: Other
7 IF2 Q1 IF filter selection. ON: 2.7kHz selection, OFF: Other (option)
8 IF3 Q2 IF filter selection. ON: 2.2kHz selection, OFF: Other
9 IF4 Q3 IF filter selection. ON: 0.5kHz selection, OFF: Other (option)
10 AGS Q4 Selection of constant during AGC. ON: AGC fast, OFF: AGC slow
11 NBS Q5 NB setting. ON: NB off, OFF: NB on
12 RBK Q6 RF blanking. ON: RBK on, OFF: RBK off
13 PL Q7 VSFM, VSRM op-amp gain selection. ON: Low gain, OFF: High gain
14 AIP Q8 AIP setting. ON: AIP on, OFF: AIP off
I/O Port Expansion: BU2099FV (TX-RX unit IC16)
Pin No. Pin Name Port Name Description
6 AM Q0 Mode selection. ON: During AM mode, OFF: Other
7 SSB Q1 Mode selection. ON: During SSB mode, OFF: Other
8 SCB Q2 Mode selection. ON: During SSB mode or CW mode, OFF: Other
9 NC Q3 Not used (usually ON)
10 VOXS Q4 VOX setting. ON: VOX on, OFF: VOX off
11 PMU Q5 AF blanking during power supply OFF. ON: ABK on, OFF: ABK off
12 VCAS Q6 VCA selection. ON: VR, OFF: D/A
13 ABK Q7 AF blanking. ON: ABK on, OFF: ABK off
14 MMU1 Q8 Microphone mute 1 (input side). ON: Normal, OFF: During microphone mute
15 MMU2 Q9 Microphone mute 2 (output side). ON: During microphone mute, OFF: Normal
Band Data Decoder: BU2099FV (Final unit IC4)
Pin No. Pin Name Port Name Description
6 18AT Q0 Selected for 18AT. ON: 14.5MHz
≤
f<19.0MHz, OFF: Other
7 LPF6 Q1 Selected for LPF6. ON: 21.5MHz
≤
f, OFF: Other
8 LPF5 Q2 Selected for LPF5. ON: 14.5MHz ≤ f<21.5MHz, OFF: Other
9 LPF2 Q3 Selected for LPF2/4AT. ON: 2.4MHz
≤
f<4.5MHz, OFF: Other
10 LPF1 Q4 Selected for LPF1. ON: f<2.4MHz, OFF: Other
11 28AT Q5 Selected for 28AT. ON: 27.0MHz
≤
f, OFF: Other
12 24AT Q6 Selected for 24AT. ON: 22.0MHz
≤
f<27.0MHz, OFf: Other
13 21AT Q7 Selected for 21AT. ON: 19.0MHz
≤
f<22.0MHz, OFF: Other
14 LPF3 Q8 Selected for LPF3/7AT. ON: 4.5MHz
≤
f<8.0MHz, OFF: Other
15 LPF4 Q9 Selected for LPF4/14AT. ON: 8.0MHz
≤
f<14.5MHz, OFF: Other
SEMICONDUCTOR DATA