Sony VPH-G90E, Service Manual

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2-42 VPH-G90E/G90U/G90M
[Writing and Reading of Ch Memory]
Timing Memory Type Memory Area (from)
When AC is ON All ch memories (Other than video memory) Reads the data from the ch memory of the user
area to the area changing various data (RAM),
and sets the data in the unit.
Table 13. Reading of Ch Memory (Load)
Timing Memory Type Memory Area
When the MEMORY key is pressed All ch memories Writes data in the area changing various data
(RAM) to the ch memory of the user area (Save).
When the input ch changes
(When input instability is confirmed)
When the input signal changes
(When input instability is confirmed)
When the mode of the unit changes
When the power is turned off
Table 14. Writing of Ch Memory (Save)
3. INPUT Memory
Memory for storing setting values and adjustment values by input signal.
There are altogether 150 standard input memories.
INPUT Memory Original Memory (No. 0 to 12)
Custom Memory (No. 13 to 149)
As shown above, the input memory is divided into original memory and custom memory.
The structure of each memory is basically the same.
.
Structure of INPUT Memory
Consists of the identification data for identifying the input signal and setting and adjustment data by input signal.
INPUT Memory Identification data
Various setting and adjustment data
Items Contents
CH information Input channel selected when the input memory is registered (newly created) :
<Custom Only> Video/S-Video/INPUT-A/INPUT-B/INPUT-C/Switcher1-1 to 8-8/Other
Input signal type information Signal type information of input signal when the input memory is registered (newly created) :
<Original & Custom> Video, S-Video, Component, RGB, 15 k RGB, HDTV-YPBPR, HDTV-GBR,
SDI-4:2:2, DRC, IDTV (Component60), IDTV (notComponent60), INT IDTV
Sync Status information Sync status information of input signal when the input memory is registered (newly created) :
<Custom Only> H/C-Pos/Neg/ _ , V-Pos/Neg/ _ , SonG/Neg/ _
Input frequency information fH, fV, number of scanning line
<Original & Custom>
Table 15. Input Memory Identification Information Data