Video Signal Processing / ビデオ信号について - Yamaha DSP-Z9 Service Manual

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RX-Z9/DSP-Z9
■ VIDEO SIGNAL PROCESSING / ビデオ信号について
Video Signal Processing Circuit Block Diagram / ビデオ信号処理回路ブロック
COMPONENT
D5 (J only)
S-VIDEO
MN673744
COMPOSITE
• XV750B
A/D conversion for component terminal
TBC equipped
Various image signal information detection
(Macro-vision, CGMS, WSS, CC)
• MN673744
A/D conversion for composite, S terminal
3-dimensional Y/C separation, TBC equipped
• YGV619
GUI generation, overlay processing
• FL12310
I/P conversion (DCDi processing)
Resolution, aspect conversion
Image quality adjustment
• ADV7310
D/A conversion, color encoding
Various image signal information addition
1
Most of the video signals of RX-Z9/DSP-Z9 are digitalized.
However, only NTSC (480i)/PAL (576i) signals can be A/
D converted and 480p/576p/1080i/720p and other sig-
nals do not undergo video signal processing when they
are input. Therefore, the are subject to the following re-
strictions:
1-1
GUI display
NTSC(480i)/PAL(576i) → The input image is used for the
background (overlay display).
480p/576p/1080i/720p → The wall paper is used for the
background.
80
IC22
XV750B
IC30
(A/D)
YGV619
(GUI)
IC25
(A/D)
IC40
FLI2310
HD input
(I/P conversion) 
(Resolution conversion) 
ADV7310
(Aspect conversion) 
(Image quality adjustment) 
(I/P変換) 
(解像度変換) 
(Video encoding) 
(アスペクト変換) 
(ビデオエンコード) 
(画質調整)
SD input
・ XV750B
コンポーネント端子用 A/D 変換
TBC 搭載
各種映像信号情報検出
(マクロビジョン・CGMS ・WSS・CC)
・ MN673744
コンポジット・S 端子用 A/D 変換
3 次元 Y/C 分離・TBC 搭載
・ YGV619
GUI 生成・オーバーレイ処理
・ FLI2310
I/P 変換(DCDi 処理)
解像度・アスペクト変換
画質調整
・ ADV7310
D/A 変換・カラーエンコード
各種映像信号情報付加
1
DSP-Z9のビデオ信号はそのほとんどがデジタル処理さ
れています。しかし、A/D変換ができる信号はNTSC
(480i)/PAL(576i)のみなので480p/576p/1080i/720p等の信
号入力時はビデオ信号処理が行われな いため、以下の様
な制約事項が有ります。
1-1
GUI表示について
NTSC(480i)/PAL(576i) → 背景は入力画像
(オーバーレイ表示)
480p/576p/1080i/720p → 背景は壁紙
COMPONENT
IC28
D5 (J only)
(D/A) 
S-VIDEO
COMPOSITE

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