Ramsey Electronics HR40 Bedienerhandbuch PDF herunterladen (Seite 22)

FHT-1 • 22

 124. Install C15, 39 pf disc capacitor (marked 39 or 39K).

 125. Install L4, 2½ turn coil wound previously. Make sure it seats as

close as possible without touching the PC board.

 126. Install C14, 56 pf disc capacitor (marked 56 or 56K).

 127. Install L3, another 2½ turn coil. Be sure it sits flush against the PC

board.

 128. Install C13, 39 pf disc capacitor (marked 39 or 39K).

 129. Install C7, .001 uf disc capacitor (marked .001 or 1000 or 102).

solder only one end of the disc capacitor to the filter PC board. This

component will “connect” the two circuit boards so be sure not to trim the

component lead that will connect to the main PC board. See the parts

diagram for correct placement.

 130. Using scrap leads, install the two ground connection wires to the

filter PC board to “mate” the ground between the main board and the

filter board.

 131. Now we’ll install the RF output connector (SO239). Please note that

this will be described in conjunction with the FHT case set - if you did not

purchase this with your kit you may need to install an extra “spacer” #4-

40 bolt to ensure that the connector does not touch the low pass filter PC

board .

 132. First, insert the two #4-40 mounting screws through the mounting

holes on the chassis mount connector. Then slide the screws through the

case set panel hole marked “Antenna”. Using the #4-40 nuts provided,

tighten the nuts to the screw securing the connector to the panel. When

• bridged over solder joints,

• misplaced components,

• transistors or diodes placed wrong,

• electrolytic capacitors installed wrong.

 L9: 2 turns

 L13: 3 turns

 L5: 8 turns

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Ramsey Electronics HR40 Bedienerhandbuch Seite 22