service manual dvd recorder drx-2

DRX-2
34
DRX-2
Progressive Scan (PSCAN)
Nucleus Name DS_PSCAN_CommunicationDenc
Nucleus Number 801
Description Check the communication between the IIC controller of the chrysalis and the progressive
scan DENC-IC
Technical - IInitialise IIC
- IWrite data to a register of the DENC through IIC
Execution Time Less than 1 second
User Input None
Error 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
Example DS:> 801
080100:
Test OK @
Nucleus Name DS_PSCAN_TestImageOn
Nucleus Number 802
Description Generate the test images that are present on the progressive scan IC.
Technical - 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
Execution Time Less than 1 second
User Input 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.
Error 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
Example DS:> 802 HATCH
080200:
Test OK @