Copper Talk » Subscriber (Preview) » Tips and Tricks » Galaxay Melaka » Unlocking the Clarifier « Previous Next »

Author Message
Top of pagePrevious messageNext messageBottom of page Link to this message

Forummaster
Posted on Sunday, November 25, 2001 - 10:15 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Clarifier Modification for the Galaxy Melaka



1) Remove the Top and Bottom Covers.
2) On the TOP side of the mother board, locate and cut R-141 as shown in Picture #1.

picture1a
Picture 1

3) Solder a jumper wire across two contacts as shown in Picture #2 (this is the same area in which you removed the jumper wire for the channel modification).

picture2a
Picture 2

4) Solder another wire to board ground as shown in Picture #3.

picture3a
Picture 3

5) Locate and cut D-38 as shown in Picture #4.

picture4a
Picture 4

6) Set the Clarify knob to exactly 12:00 as shown in Picture #5.

picture5a
Picture 5

(You will now need your radio hooked to a Frequency Counter)

7) Key the microphone on channel 19 AM with no modulation and adjust L-19 (Picture #6) to exactly 27.185 Mhz. (Picture #7).

picture6a
Picture 6

picture7a
Picture 7

8) Switch to USB and key the microphone with an exact 1 Khz tone being injected into microphone and adjust L-20 (Picture # 8) to exactly 27.186 Mhz (Picture #9).
(You can use this FREE and GREAT Tone Generator to use right off your computer)
Free Tone Generator

picture8a
Picture 8

picture9a
Picture 9

9) Switch to LSB and key the microphone with an exact 1 Khz tone being injected into microphone and adjust L-21 (Picture # 10) to exactly 27.184 Mhz (Picture #11).

picture10a
Picture 10

picture11a
Picture 11

10) Replace the Top and Bottom Covers. Thatís it! My Melaka slides DOWN 7 Khz and UP 3.5 Khz. Enough for your sideband needs.