Chapter 13 Circuit Description; Partial Block Description; Main Board - Samsung PS42S5HX/XEH Service Manual

13. Circuit Description

13-1 Partial Block Description

13-1-1 Main Board

No Name
SVP-EX62 main Video Decorder+Deinterlacer+Scaler
①
DNIe-L Image Enhancer
②
M30620SPGP main Micom
③
SAA7119 sub Video Decorder
④
SIL9993 HDMI Decorder
⑤
S3F8668 sub Micom
⑥
MSP4410G Sound processor
⑦
NSP6241 Sound Effect chip
⑧
TMQZ6-405A Tuner
⑨
Samsung Electronics
Function
A Scaler IC that generates the output resolution appropriate to the PDP panel and
generates the PIP screen.
The DNIe IC for visual quality improvement.
Generates various control signals required for operating the circuit.
The Video Decoder IC that converts the Y/C and Scart RGB signals for the main
screen into 10 bit digita R, G, B signals.
Converts the TMDS signal on the HDMI input into 8 bit digital R, G, B signals
Detects the Power on/off signal from the remote control and the Power button and
turns SMPS on or off, handles the Caption signal, and controls the signal for the
LEDs on the front panel.
Sound Processing IC
Sound PWM IC
Tuner CH Tuning and CVBS, SIF
Circuit Description
Description
13-1