Sharp TU-DTV1000/A, Service Manual

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TU-DTV1000/A
CHECK MODE 2 (ST20):
Tells that the set is in the check mode 2. Commands from the ST20 TS decoder are checked.
DPRAM:
Checks the DPRAM’s read/write performance via the ST20.
OK:
Indicates that the DPRAM can read and write properly.
NG: Indicates that the DPRAM fails to read and write.
TUNER
Checks the tuner’s write performance via the ST20.
OK:
Indicates that the tuner can write properly.
NG: Indicates that the tuner fails to write.
VSB:
Checks the VSB system’s read/write performance via the ST20.
OK:
Indicates that the system can read and write properly.
NG: Indicates that the system fails to read and write.
Video:
Checks the video decoder’s read/write performance via the ST20.
OK:
Indicates that the video decoder can read and write properly.
NG: Indicates that the video decoder fails to read and write.
Audio:
Checks the audio decoder’s read/write performance via the ST20.
OK:
Indicates that the audio decoder can read and write properly.
NG: Indicates that the audio decoder fails to read and write.
SVP:
Checks the SVP’s read/write performance via theST20.
OK:
Indicates that the SVP can read and write properly.
NG: Indicates that the SVP fails to read and write.
CHECK MODE 2 (ST20)
DPRAM: OK (or NG)
Tuner : OK (or NG)
VSB : OK (or NG)
Video : OK (or NG)
Audio : OK (or NG)
SVP : OK (or NG)
CHECK MODE 2 screen