Sharp LC-22DV510K, Service Manual

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LC-22DV510
LC-24DV510
Main B oar d
The main components of the mainboard are:

MT1389L

SDRAM(64Mbit-8Mbyte )

FLASH 8/16 M (Serial)
SDRAM
64Mbit SDRAM is used as:

Audio, video and sub -picture stream buffer.

On screen display

Track Buffer
Flash (Seri al)
The required program memory size is 1 Mbyte. User settings are stored in Serial Flash
Vide o O utputs
Y/C
Audio Outputs
Digital Audio output s :
SPDIF
Analo g outputs :
24bit/96,48,44.1kHz down -sampling DAC
L,R :
Left and Right audio outputs through connector
Internal Aud io Dac performance of 2 outputs:
Symbol Parameter Spec
DR Dynamic Range
Higher than 88
dBr(A)
SNR Signal to Noise ratio Higher than 95dBr(A)
Channel
Seperation
Cross-talk of Left and Right
channels lower than 85 dB