Hola,
El comportamiento que describes al actualizar el firm es normal, no te preocupes.
Te pego los cambios hasta el firmware E del 2930, con respecto al F (USA) no tengo información:
22.01.2009
8283-E
"When the unit operation prohibition area on a specific
DVD disc has been reproduced, ""PURE DIRECT"" button is operated. The unit cannot be operated."
26.09.2008
8283-D
Translation error in French. ("arrcat image" is not correct. We improved to "arret image").
22.02.2008
8283-C
improvemnet of the regulary playing performance (random mode)
the playback of curving Disc is difficult occasionally.
08.08.2007
8283-B
When "Track Skip Fwd/Rev" button is pushed early two times or more whenthe CD-DA disc is PAUSE, "Play" button is not accepted;
Improvement of the playback from SACD discs
The repeat function was turned onwhen the SACD disc had stopped and it played, or the SACD disc is played by the All Repeat function. Afterwards, the repeat function doesn't operate when stopping and playing;
DVD-AUDIO cannot be played;
AC-3 protected with CSS is converted in PCM and the SPDIF digital outputs are 24 bits;
When "Right" of "Cursor" or "Left" is pushed when "Page" of "Image quality adjustment screen" is displayed, it freezes it by "Gamma display".
25.07.2007
8283-A
improvement of CD playback via HDMI
04.04.2007
8283-9
fixing of memory capabilities.
improvement of remote control sensor.
15.01.2007
8283-7
Improvement of CD playback via "Copy-Control" (CCCD)
28.12.2006
8283-6
Adjustment the sound interrupts between track when specified "DVD-AUDIO-DISC"
Con respecto al 3808, ¿has probado a indicar otro color distinto cuando la página te pide que identifiques tu modelo? ¿Lo has intentado con el 3808 y el 3808A?
¿Has mirado aquí?
http://www.avsforum.com/avs-vb/showthread.php?t=995566
Los problemas que comentas con tu 2930 parecen más bien estar relacionados con errores de lectura (laser, servo...), quizás deberías insistirles a los del SAT.
En cualquier caso espero que los consigas solucionar. Ya nos cuentas.