Instruction/ maintenance manual of the product TS-870 Kenwood
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1 Kenwood TS-870 HF Transceiver International Radio Filter Installation The International Radio filters are easily installed in the TS- 870 transceiver. The #9 4 is used for 8.830MHz and #96 for 455kHz IF stages. The most difficult aspect is removing the stock filters.
2 455kHz #96 Filter The INRAD #96 filter conn ects to the Connection Board that is located on the rad io top, just behind the speaker. • Remove the Connection Board. • Remove the stock 3kHz filter – Labeled CFJ455K. • Install a coax at each filt er connection point, noting the shield connects to the circuit board ground.
3 8.830MHz #94 Filter The INRAD #94 filter conn ects to the RF Board that is located on the radio bottom . • Remove the shield from the RF Board • Make careful note of the connections used. This board has many test locations so will not have cables o r coax installed.
4 RF Board With Shield Removed.
An important point after buying a device Kenwood TS-870 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Kenwood TS-870 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Kenwood TS-870 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Kenwood TS-870 you will learn all the available features of the product, as well as information on its operation. The information that you get Kenwood TS-870 will certainly help you make a decision on the purchase.
If you already are a holder of Kenwood TS-870, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Kenwood TS-870.
However, one of the most important roles played by the user manual is to help in solving problems with Kenwood TS-870. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Kenwood TS-870 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
