Radio Circuits, Repair & Performance

The place to discuss circuits, repairs, and legal modifications/improvements to rigs and equipment.

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Title Start Date
Replies Views
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  1. KJ7CDF

    Kenwood TS-440S transmit problem

    KJ7CDF, Jul 11, 2019
    Replies:
    9
    Views:
    988
    WG7X
    Sep 13, 2020
  2. W5OTR

    Need Service Manual/Part list for FTM-3200D

    W5OTR, Sep 13, 2020
    Replies:
    0
    Views:
    38
    W5OTR
    Sep 13, 2020
  3. WD8BWW

    Yaesu FT 900 repair help

    WD8BWW, Oct 14, 2016 ... 2 3
    Replies:
    22
    Views:
    4,878
    KA9JLM
    Sep 11, 2020
  4. VK6XU

    Possible Yaesu 897/857 damage

    VK6XU, Aug 20, 2020 ... 2
    Replies:
    11
    Views:
    465
    KD0CAC
    Sep 11, 2020
  5. W5OTR

    Help me ID this part

    W5OTR, Sep 10, 2020
    Replies:
    6
    Views:
    171
    WR2E
    Sep 10, 2020
  6. AJ4UY

    Yaesu FT-897D Schematic Level Diagram

    AJ4UY, Sep 5, 2020
    Replies:
    2
    Views:
    139
    AJ4UY
    Sep 10, 2020
  7. KD2AMY

    Ten-Tec Corsair II - Cannot change frequency.

    KD2AMY, Sep 7, 2020
    Replies:
    5
    Views:
    132
    W9GB
    Sep 8, 2020
  8. KS4NS

    MFJ-259b Won't Measure SWR

    KS4NS, Sep 6, 2020
    Replies:
    4
    Views:
    212
    KB0MNM
    Sep 7, 2020
  9. WA1TUT

    Icom IC-735 synthesizer buzz

    WA1TUT, Aug 28, 2020
    Replies:
    2
    Views:
    135
    WA1TUT
    Sep 7, 2020
  10. KK6VQK

    TS-680 repair and differing control board revisions - help!

    KK6VQK, Aug 31, 2020
    Replies:
    6
    Views:
    194
    KK6VQK
    Sep 7, 2020
  11. W5RAH

    Yaesu FT-7 No RF out on CW

    W5RAH, May 19, 2020
    Replies:
    8
    Views:
    261
    N5EN
    Sep 6, 2020
  12. PY2RAF

    [RFC] FT-991A fan mod

    PY2RAF, Jul 9, 2019 ... 2
    Replies:
    11
    Views:
    1,894
    PA5COR
    Sep 6, 2020
  13. N2LEN

    FT-1000D Dead Receiver after severe weather

    N2LEN, Aug 27, 2020 ... 2
    Replies:
    16
    Views:
    493
    W4HWD
    Sep 6, 2020
  14. AB9LZ

    TS 850 AGC fail

    AB9LZ, Sep 4, 2020
    Replies:
    2
    Views:
    97
    AB9LZ
    Sep 5, 2020
  15. N2NJO

    Using a scanner receiver 10MHz oscillator circuit as a signal source

    N2NJO, Aug 26, 2020
    Replies:
    1
    Views:
    156
    N2NJO
    Sep 5, 2020
Showing threads 31 to 45 of 6,043

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