From netcomsv!decwrl!sdd.hp.com!apollo.hp.com!cupnews0.cup.hp.com!hpscit.sc.hp.com!hplextra!hpcc05!hp-ptp!johns Thu Jun 17 18:46:42 PDT 1993
Article: 41989 of rec.radio.amateur.misc
From: johns@hp-ptp.ptp.hp.com (John Schubert)
Date: Tue, 15 Jun 1993 22:13:57 GMT
Subject: Re: FT-530 HT coverage expansion mods needed
Message-ID: <19130028@hp-ptp.ptp.hp.com>
Organization: HP Pacific Technology Park - Sunnyvale, Ca.
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Newsgroups: rec.radio.amateur.misc
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Lines: 51

YAESU FT-530
(from  Yaesu Service Dept.)

Expanded Receive 110-180, 300-500 MHz[, 800-950 MHz ]
[ Transmit 140-150, 430-450 MHz ]

o Remove Antenna and Battery.
o Remove four screws on bottom holding battery track.
o Remove the four (black) screws holding rear case.
o Slowly... open the front cover from tranceiver and lay both halves on table.
o Note positioning of white paper insulator in right half of radio and lift out
  (don't throw away)
o Carefully locate Jumper Pad 13 and remove solder.
o Carefully locate Jumper Pad 15 and remove solder or 0 Ohm chip resistor.
o Re-install white paper insulator, make sure ground tab slides through the 
  paper insulator.
o Close radio back up (Careful not to pinch the ribbon cable near lithium 
  battery when closing halves).
o Re-install the four (black) screws holding rear case.
o Re-install the four (small silver) screws on bottom holding battery track to
  radio body.
o Attach Antenna and Battery.
o Turn off Radio.... Press and hold both arrow keys while turning on the Radio.
o Modification Complete.

------------------------
|                      |
|                      |
|                      |
|                      |
|           ---        |
|           | |        |
|           ---       /
|           ---      /
|           | |     /                         2 (|)  (|) 1
|           ---    /                          4 (|)  (|) 3
|                 /  <---  Jumpers are here   6 (|)  (|) 5
|              o /                            8 (|)  (|) 7
-----------------             Blowup --->    10 (|)  (|) 9
                                             12 (|)  (|) 11
                                             14 (|)  (|) 13
                                             16 (|)  (|) 15
-

Depending on the version you have it may look more like this:

...  12 (|)  (|) 11 
           (|) 13
      16 (|)  (|) 15

NOTE: Items in []'s are not mentioned by Yaesu...