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TS-50S Mechanical noise from final unit | Radioaficion Ham Radio

TS-50S Mechanical noise from final unit

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kenwood TS-50S Mechanical noise from final unit

Author: Kenwood Communication, inc.


Service Bulletin no. 1044 (28 March 1994)

Symptom:
When the transceiver is subjected to vibration a mechanical noise can be heard from the output transformer area. This has led to concern by several consumers that something is loose or improperly installed.

Corrective Action:
In order to ease consumer concern toy should add a cushion under transformer L4 as shown in the accompanying diagram, and replace transformer L13 at the same time. This transformer has been fastened to the circuit board with high temperature adhesive, so use caution when removing it from the circuit board.

Parts required:

Qty   Description              Old part No.   New Part No    Circuit Description
1 Cushion NA G13-0871-04 (Under L4)
1 Output transformer L39-1209-25 L39-1252-05 L13

kenwood TS-50S Mechanical noise from final unit

Time required for this modification is 30 minutes or less.

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