Aqui estão as especificações dos 2 chipsets (tirado do site da Mediatek):
MT1389/M
DVD Player SOC with HDMI™ Tx
● Integrated RF/Servo/MPEG in 128-pin QFP
● MPEG2/MPEG4 video decoder
● MediaTek’s MDDi™ motion-adaptive de-interlace
● Support DivX/DivX Ultra
● TV encoder with 4ch video DACs
● 6ch audio DACs
● 2ch audio ADCs for karaoke
● USB2.0 high speed host
● Card reader
MT1389/S
DVD Player SOC with HDMI Tx and WMV support
Integrated RF/Servo/MPEG in 256-pin QFP
● HDMI 1.2 Tx up to 1080p output with CEC support
● MPEG2/MPEG4/WMV9 video decoder
● MediaTek’s MDDi™ motion-adaptive de-interlace
● Support DivX/DivX Ultra
● Support HD-JPEG
● TV encoder with 6ch video DACs
● Support SACD 2.0 and DVD-Audio
● 8ch audio DACs
● USB2.0 high speed host
● Card reader
Deve-se notar que essas especificações refletem características POTENCIAIS dos chipsets (não necessariamente o player que use o chipset irá apresentar todas elas).
Olhando a tela enviada pelo usuário SCLEROSIS:
MODEL ID: LG_DV_LV81F33B400MM
CHIP ID: MT1389M
SERVO VER: ODD200
MICOM VER: V3.33
CHECKSUM: 4246
HDCP KEY IS VALUE :YES
FACTORY RESET ... DONE
PLEASE POWER DOWN
Reparando em alguns dados (como: MODEL LG_DV_LV81F33B400M
M ao invés de LG_DV_LV81F33B40DM
S / LG_DV_LV81F33B400M
S; e versão V3.33, ao invés de V2...), penso que provavelmente esses players tenham CHIPSET MT1389M mesmo. Mas, vale a pena conferir!