Sony VPH-G90E, Service Manual

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2-32 VPH-G90E/G90U/G90M
.
Reading and Writing of Video Memory Data
Data writing and reading of the video memory (Load/Save) differ according to the selected setting values of Video
Memory.
These set and selected values are saved in INPUT-MEMORY.
1
Reading (Load)
Timing Memory Type Memory Area (from)
When the POWER is turned ON Video Memory Reads data from the input memory of the user
(As soon as the input signal is area to the area changing various data (RAM),
confirmed) and sets the changes in the unit.
When the input signal is input
(As soon as the input signal is
confirmed)
When the CH is switched
(As soon as the input signal is
confirmed)
When the input signal is changed
(As soon as the input signal is
confirmed)
When the video memory setting
is set to OFF
(SIRCS, communication, etc.)
Table 5. Reading of Data When Video Memory OFF
<When Video Memory = 1-10>
Timing Memory Type Memory Area
When AC is ON All data of Video Memory 1-10 Reads various data from the input memory of the
user area to the area changing data (RAM).
Reads the video memory of the user area
expanded.
When POWER is ON Selected video memory Sets the video memory selected from the area
(As soon as the input signal is changing data (RAM) in the unit.
confirmed)
When the input signal is input
(As soon as the input signal is
confirmed)
When the CH is switched
(As soon as the input signal is
confirmed)
When the input signal is changed
(As soon as the input signal is
confirmed)
When the video memory setting
value is changed
(SIRCS, communication, etc.)
Table 6. Reading of Data When Video Memory 1-10