SONY

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You will require any ONE of the following  "One for All"  programmable remote controls. 

  
  One For All 4   Signature URC7030 
  One For All 4   Digital URC-7541 vB01   ( all with MAGIC flashing twice ) 
  One For All    model URC-7730   (Note this model requires 5 digits, so just add two leading zeros to any codes listed with 3 digits for the keys  e.g. 189 becomes 00189)
  One For All 6   Standard URC-7560   (version B00 - for version B01 read note at the very bottom of posting) 
  One For All 6   Kameleon URC-8204 ( most expensive remote  with a rabbit-magic flashing twice )  - see Kameleon URC-8204 method near  bottom of page

Several other "One for All" models  are reported as being suitable  - but I personally have not tested them

You can purchase the One for All  remote at most electronic stores

Detailed instructions on how to program the "One For All remote are supplied with the remote
However, the following instructions should be all you need to make your Sony Region Free.

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TO UNLOCK YOUR SONY PLAYER FOLLOW THESE INSTRUCTIONS 

To suit the Sony you have to program the DVD function of the One for All 

Press the DVD key on the One for All  remote control and type  0533


NEXT:

Using the One For All "MagicKey"  function you can program buttons 1 through 5 with the following codes. (for the DVD function) 

1 - 189                    -   some newer  remotes may require  00189  
2 - 255                    -   some  newer  remotes may require  00255 
3 - 095                    -   some newer  remotes may require  00095  
4 - 221                    -   some newer  remotes may require  00221   
5 - 079                    -   some  newer  remotes may require  00079   

Instructions on how to program codes to particular keys using the remote's Magic button are provided below


Put the DVD player into standby, using the "One For All" remote -  press keys 1,2,3,4,5 in sequence. 

The player should switch on and say SUCCESS. 

NEXT:   press keys  1,2,3,4,5 in sequence. again  and the player powers off. 

Now unplug the Sony player from the mains for 5 seconds. 

Plug back in and the player is region free


NOTE:
For some players instead of 1 2 3 4 5  you need to use the following 

In standby mode, press sequentially 1 1 2 2 3 3 4 4 5 5 and you will get the SUCCESS message. 

Then again 1 1 2 2 3 3 4 4 5 5 and the player will go back into standby mode 

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This is how you program those numbers into the Macro Buttons: 

1. Press and hold Magic button until double blink 
2. Press 994. 
3. Briefly press Magic button (don't hold). 
4. Enter 3 digit code from list above. (or for remotes requiring 5 digits add 2 leading zeros (00))
5. Press appropriate Macro button (A-E) to store it. 
6. Repeat steps 1 to 5 until all 5 Macro Buttons programmed. 



NOTE: For newer versions (B01) of some models of the "One For All"  remote the 994 code accepts 5 digit numbers not 3. 
If you add 00 to front of each number listed for 1, 2, 3, 4, 5  at section 4. of the macro button programming sequence.

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Above instructions combined and in more detail for ease of use
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To suit the Sony you have to  program the DVD function of the One for All

Press the DVD key on the One for All  remote control and type  0533.

NEXT

1)  Put SONY DVD player in standby mode with red light on 
2)  Press the DVD Key on the One for all remote 

3)  Press and hold Magic Key until you see two red blinks on the remote then type 994 
4)  Press the  Magic key 

5) Then type 189 and 1 on the remote (to assign function 189 to the "1" Key) 
You will see two red blinks on the remote this indicates the function 189  has been assigned to  key 1

If the remote red light does not blink twice  - repeat step 3 and 4 - then use 00189 instead of 189 - and for the following steps 7, 9, 11 and 13 add the 00

6) repeat steps 3 and 4 
7) Then type 255 and 2 on the remote (to assign function 255 to the "2" Key) 
You will see two red blinks on the remote this indicates the function 255  has been assigned to  key 2

8) repeat steps 3 and 4 
9) Then type 095 and 3 on the remote (to assign function 095 to the "3" Key) 
You will see two red blinks on the remote this indicates the function 095  has been assigned to  key 3

10) repeat steps 3 and 4 
11) Then type 221 and 4 on the remote (to assign function 221 to the "4" Key) 
You will see two red blinks on the remote this indicates the function 221  has been assigned to  key 4

12) repeat steps 3 and 4 
13) Then type 079 and 5 on the remote (to assign function 079 to the "5" Key) 
You will see two red blinks on the remote this indicates the function 079  has been assigned to  key 5


NEXT:
As shown in step 1) Make sure your player in standby mode
Use the One for all remote
Point the remote to the Sony Player
Press  keys 1 2 3 4 5 in sequence 
Player displays SUCCESS in the blue display and the player comes on 
Type keys 1 2 3 4 5 in sequence and the player goes off. 
Unplug the Sony player  from the  power source for 5 seconds 
Plug back in and  your player is now region free. 


NOTE:
For some players instead of 1 2 3 4 5  you need to use the following 

In standby mode, press sequentially 1 1 2 2 3 3 4 4 5 5 and you will get the SUCCESS message. 

Then again 1 1 2 2 3 3 4 4 5 5 and the player will go back into standby mode 



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ADDITIONAL INFORMATION 

FOR OLD "ALL FOR ONE" REMOTES

When using a fairly old URC7541 one for all remote. 
to prepare the remote to suit the Sony 
 
1. select vcr/dvd device on remote 
2. hold magic button until vcr/dvd blinks twice 
3. enter device code 0533, this remote now controls the DVD player 

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NEW ALL FOR ONE REMOTES
NOTE: For newer versions (B01) of the remote the 994 code accepts 5 digit numbers not 3. 
If you add 00 to front of each number listed for A,B,C,D,E at section 4. of the macro button programming sequence this should work.

1 - 189                    -   some newer  remotes may require  00189  
2 - 255                    -   some  newer  remotes may require  00255 
3 - 095                    -   some newer  remotes may require  00095  
4 - 221                    -   some newer  remotes may require  00221   
5 - 079                    -   some  newer  remotes may require  00079   


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How to remove the region code   using oneforall kameleon (6 in one)  

The step by step instruction below is for the 6 in one, second generation remotes. 

1.hold magic until rabbit comes out 
2. select device set 
3. press dvd button 
4. input code 0533 (the code to controll dvp-f21 with kameleon) 
5. press ok. 

Program buttons 1-5 with the following codes: 
1. 00189 
2. 00255 
3. 00095 
4. 00221 
5. 00079 

1. Hold magic untill rabbit comes out 
2. press key magic 
3. press dvd button 
4. press magic 
5. enter the 5 digit code from above 
6. press button 1...5 where to program it 
7. repeat steps 1 to 6 for all 5 keys 

Try your new code: 
1. remove disk and put player on standby 
2. press 1,2,3,4,5 ;player starts up 
3. press 1,2,3,4,5 ;player shuts down 


NOTE:

For some players instead of 1 2 3 4 5  you need to use the following 

In standby mode, press sequentially 1 1 2 2 3 3 4 4 5 5 and you will get the SUCCESS message. 

Then again 1 1 2 2 3 3 4 4 5 5 and the player will go back into standby mode 

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ALTERNATIVE METHOD WITH A PDA   (More detailed versions - see links below)

THIS  METHOD APPLIES TO ALMOST ALL SONY NS & NC MODELS (not just the models listed at the top of this page)


Sony DVP-NS multiregion remote hack
Here's a hack that should work on all the DVP-series players from Sony.

You need a PDA running the Palm OS. (some users suggest using a IBM WorkPad (a.k.a Palm III)). 
You need the OmniRemote application from Pacific Neo-Tek  http://www.pacificneotek.com. 
Then you need the OmniRemote style file from here   http://www.auspaytv.com/sony/Sony_DVD_hack.zip. 
Put your DVD-player to standby mode (main power on and red light). 
Push programmed buttons sequentially from one to five (the player starts up). 
Do it again: Push programmed buttons sequentially from one to five (the player goes back to standby). 
The player should now be multiregion. 
You may have to do it  a few times, and you might have to push the buttons twice for the sequence  11,22,33,44,55  for it to work. 


 (More detailed versions - see links below)