copied from packet:
 Sb: MODIFICATION OF TS-450SAT

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[                                                                            [
[  GENERAL COVERAGE TRANSMISSION MODIFICATION FOR THE TS-450 AND TS-690      [
[  DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD     [
[  A) Remove all screws of top and bottom case.                              [
[                                                                            [
[  B) Remove two screws of front panel (left and right top side),and loosen  [
[     two screws of front panel (left and right bottom side).                [
[                                                                            [
[  C) Remove all screws of digital unit ( X46-312X-XX ).                     [
[                                                                            [
[  D) Cut the chip diode D27 (RL73) on digital unit rear side.               [
[                                                                            [
[                                                                            [
[  \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\                  [
[  [      \\                                              [                  [
[  [   \__  __\                                           [                  [
[  [  \_ Bat. _\                                          [                  [
[  [   [      [                                           [                  [
[  [    __\\__                 \\\\\\\\\\\\               [                  [
[  [              \\\\\        [          [               [                  [
[  [    [_\_[     [   [        [          [               [                  [
[  [    [   [     [ \ [        [          [      ->I- D27 (RL73) CUT THIS    [
[  [    [   [     __ __        [\\\\\\\\\\_      ->I- D26 [                  [
[  [    [\\\[                                    ->I- D25 [                  [
[  [                                             ->I- D24 [                  [
[  [                                             ->I- D23 [                  [
[  [                                             ->I- D22 [                  [
[  [                                             ->I- D21 [                  [
[  [                                             ->I- D20 [                  [
[  ________________________________________________________                  [
[      DIGITAL JNIT (X46-312X-XX)     Component side view                    [
[                                                                            [
[  This modification it is at your risk .                                    [
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==============================================================================
I haven't tried or verified this, proceed at your own risk.  And do not
transmit outside of legal bands!  WA2ISE

	P.S. This modification has not been tested.
	     I take NO responsibility or liability for any damage or
	     violation resulting from this modification.
--