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JDirectItems Auction Hobbies & Crafts Wireless Devices Other
TL-922 フルブレークイン改造済 LED照明 オリジナル改造基板を組込 T/Rリレーは一般電力用 1kW
        

電源切替端子の蓋は取り換えました。

蓋はナイラッチありと交換しました

ヒーターの配線変更しています

リレー基板・TRX側とバイアス側(後ろと前)

左・真空管  右・LED基板

上部右側の蓋を外した写真・比較的きれい

  • Quantity
    : 1
  • Starting Bid
    :120,000円
  • Highest Bidder
    : / Rating:
  • Start Time
    :Aug 23, 2026 21:57
  • End Time
    :Aug 30, 2026 21:54
  • Auction ID
    :s1241800033
  • Item Condition
    :Damaged and stained (specify in description)
  • Auto Extension
    :No
  • Authentication
    :No
  • Early Close
    :Yes
  • Return Accepted
    :no
  • Description
  • Q&A ()
  • Estimated Cost
  • Report an Issue
Notes
  1. Radio communications related products (import and export documents required) cannot be assisted in importing.
KENWOODブランドのTL-922をフルブレークイン改造しました。T/Rリレーは一般的な電力用リレー(オムロン製G5LE-14)を使っています。
オシロスコープでタイミングを見たところ、トランシーバーから高周波出力が始まる前に切り替わることがわかりました。
国産の半導体1kWリニアも、同じぐらいの容量の一般用電力リレーが使われています。
動作音は、オリジナルよりもかなり小さくなります。

トランスの照明電球用のAC8Vを倍電圧整流して約17VDCを照明用LEDに使っています。リレーにはこの電圧を抵抗で落として使っています。そのため、送受信切り替え電圧は17Vが出ていますが、リレーの動作電圧は直列抵抗で落として12Vとなります。送受信でLEDの電圧が変わるため、送信中はメーターランプがわずかに暗くなります。バイアス電圧100Vの切り替えリレーも小さい12Vの物に交換しています。
回路・基板はオリジナルです。中国メーカーに発注しました。ガラエポ1.6mmです。落札者には回路図を付属します。

真空管はアイマック 3-500Z ヒダヒダのタイプが2本です。
後ろ側の電圧切り替えのフタのナイラッチが無かったので、針金で仮固定しています。100V設定です。100Vプラグが不要の場合は外して発送します。

31kgぐらいになるので、佐川急便にて発送となります。発送地は神奈川県です。 折れる事のあるアシは外して発送します。

改造基板の写真は後日追加します。TRIOブランドの古い機械を複数台改造しているので、このオークションが終わってからの出品します。改造基板のみの販売はバージョンアップ後に出品するつもりです。


(2026年 8月 25日 16時 35分 追加)
写真を追加しました。

後ろ側の電圧切り替え端子の蓋は交換して元の機種の状態にしました。

追加した当方オリジナル基板の実装状態の写真を上げました。


(2026年 8月 25日 18時 11分 追加)
ヒーターの配線を変更しています。写真6枚目の通り。

ドライブ電流が流れるセラミックコンデンサはメタルフィルムコンデンサに交換しています。 フルブレークインに改造すると、切り替えた直後にコンデンサバイアスカットの-100V電圧が少し漏れることが分かったので、容量を下げてパラにしました。

グリッドのチョークコイルは外してショートしてグリッドを直接アースしています。

100V配線でもSSBモードなら1kWの出力が出ます。電流が多くなるのでメーカー非推奨です。

説明書はありません。公式ページからダウンロードしてください。 本体の改造部分もあるので、書き加えた回路図を付属します。

PTTケーブル、ALCケーブル、接続同軸ケーブルは付属しません。


(2026年 8月 28日 1時 08分 追加)
組み込んだ基板のみ別途出品しました。
回路は同じです。
https://auctions.yahoo.co.jp/jp/auction/w1242300766
実装済み基板のみでも入札可です。
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International Shipping Methods
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1. International Shipping

   Air Freight: If the item status is not confirmed within two days after the arrival notice, any customer complaints cannot be addressed with the seller.

2. After Receiving the Product

Please confirm and inspect the product as soon as possible to ensure that the product specifications, quantity, accessories, and description are correct

If, unfortunately, there are any issues, you can refer to the following examples on how to report related product problems:
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2. Example of product not matching provided information
3. Example of damaged product information

Important Notes: 1. If the seller is unwilling to ship overseas or is unaware that the product will be shipped overseas, the international shipping cost for returns or exchanges will need to be borne by the member. You may refer to the EMS e-Express fee inquiry from the post office. If it involves alcoholic beverages or items that affect flight safety, the post office cannot be used for shipment, and only DHL can be used to ship back to Japan.
2. During the product complaint handling period, please retain the complete outer packaging of the product (including the shipping label information), and refrain from attempting any repairs or altering the original condition. Any modifications may result in the inability to process the case.

3. After Inspecting the Product

After receiving and inspecting the item, if you have any questions, it is recommended to contact Letao within 2 hours. Here are some reminders:

1. Please do not unpack, use or repair the received item yourself, and be sure to keep the original packaging to facilitate subsequent handling of related matters, so as to avoid changes to the item that may cause the seller to be unwilling to process.

2. You can call customer service, and the customer service will leave a message for you as below. Please provide the following information:
"Hello, we will first help you establish a complaint case for Product ID: _______ .But we need you to 2-3 clear photos of the product issue, including photos of the product problem, product packaging, shipping details slip, and outer box. Send them to service@letao-holdings.com and inform us of your desired resolution (failing to provide this may result in an inability to process subsequent matters). After sending the email, notify us in the customer service message. We will confirm with the seller as soon as possible. and if there are any related questions, we will contact you through the customer service message. Thank you for your cooperation."

Please provide:
1. "Product ID"
2. Photo of the "Delivery Note" (if any)
3. Photos of the outer box (including inner and outer packaging)
4. Photos of the product (Please include relevant descriptions to help us confirm with the seller)

Important Notes:
1. Do not include foreign text or other products in the background of the image.
2. Please keep the complete product packaging (including the shipping label information), and refrain from repairing or altering the original condition on your own, as any changes may result in the case being unable to be processed.
3. Please provide the relevant information within 48 hours to avoid missing the golden hour for reflection and causing situations that cannot be handled.
4. Due to 99% of Japanese sellers being unwilling or unaware of shipping goods overseas, if a seller is willing to handle the issue, the goods must be sent back to Japan, and the international shipping costs incurred must be borne by the member. Letao will use postal EMS international express to send the goods back to Japan.
5. As the goods are purchased from overseas, it may take approximately one to two weeks to complete the relevant processing procedures when issues arise with the goods. Please be reminded that you can inquire about the approximate cost through the EMS service at the post office.

4. FAQ

1. Issue of Authenticity: If antique or branded goods are found to be counterfeit upon receipt, clear photos showing the differences between the genuine product and the imitation must be provided as evidence. If unable to provide relevant proof, assistance can be sought to find a third-party reputable organization for a premium authentication service .
2. Leaking Iron Teapot: If an antique iron teapot is leaking, please take clear photos of the leaking area and provide them.
3. Transport Damage: If the goods are damaged during international shipping (to the pickup point), you need to provide photos of the outer packaging of the parcel and clear photos of the damaged goods' outer packaging.

※ Note: Photos provided to sellers should not contain any foreign-related information.
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    Product name: TL-922 フルブレークイン改造済 LED照明 オリジナル改造基板を組込 T/Rリレーは一般電力用 1kW
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