Yamaha DRX-2 Service Manual page 34

DRX-2
Progressive Scan (PSCAN)
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
Nucleus Name
Nucleus Number
Description
Technical
Execution Time
User Input
Error
Example
34
DS_PSCAN_CommunicationDenc
801
Check the communication between the IIC controller of the chrysalis and the progressive
scan DENC-IC
- IInitialise IIC
- IWrite data to a register of the DENC through IIC
Less than 1 second
None
Number Description
80100 Communicating with the progressive scan DENC-IC succeed-ed
80101 The IIC bus was not accessible
80102 There was a timeout reading the device
80103 The IIC acknowledge was not received
80104 Communicating with the progressive scan DENC-IC failed
80105 The initialisation of the IIC bus failed
80106 The read data is not the same as the written data
80107 No chip was expected
DS:> 801
080100:
Test OK @
DS_PSCAN_TestImageOn
802
Generate the test images that are present on the progressive scan IC.
- See whether the user wanted a HATCH or a FRAME image pattern
- Initialise the PIO pins of the chrysalis
- Initialise IIC
- Reset the DENC
- Enable the 27Mhz clock
- Send all settings for the pattern to the DENC through IIC
Less than 1 second
In case of ADV7196:
When no input is given "HATCH" is the default
- "HATCH"
- "FRAME"
Remark:
"HATCH" is a crosshatch test pattern (horizontal and vertical white lines are displayed against
a black background)
"FRAME" is a uniform coloured frame/field test pattern (default white).
In case of FLI2300: Nothing.
Number Description
80200 The generation of the test image succeeded
80201 Unable to initialise pscan ic
80202 Unable to reset DENC
80203 Unable to generate image
80204 No chip was expected
DS:> 802 HATCH
080200:
Test OK @