Elecraft K2 Owner's Manual User Manual

Page 63

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62

E

LECRAFT

®

Resistance Checks

Perform the following resistance checks:

Test Point

Signal Name

Res. (to GND)

R115, right end (near S1)

12V IN

> 500 ohms

U6 pin 8

8B

> 100 ohms

U4 pin 16

5B

> 1 k

U11 pin 8

8A

> 250 ohms

U10 pin 8

8T

> 500 ohms

U12 pin 1

8R

> 500 ohms

i

It's very important to re-assemble the chassis as described

below before attempting the alignment steps in the next section. If you
don’t put the chassis together, some results will not be accurate.

Install the side panels and secure with two chassis screws each.

Plug in the front panel assembly. Secure with two chassis screws.

Plug in the Control board.

Secure the front panel and Control boards together using two

chassis screws.

i

Before installing the bottom cove in the next step, verify that

all components on the bottom of the RF board have an installed height
of 1/4" (6 mm) or less. Capacitors or other parts that stand above this
height must be bent downward at an angle to prevent them from
hitting the bottom cover.

Install the bottom cover and secure it temporarily using six

chassis screws.

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