Sharp TU-DTV1000/A, Service Manual

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19
TU-DTV1000/A
PACKET ERROR :
Indicates the current reception condition by displaying, in bars and figures, the number of errors of the
data received for a certain period of time. This helps estimate the antenna condition, signal level and
other data.
Let’s say that the levels with increasing blocks from left are named a), b),... e).
a) Good condition with no error
→
Picture and sound are not affected at all.
b) One to 10 errors for 20 seconds
→
There are some errors, but picture and sound are seldom affected.
c) Eleven to 30 errors for 20 seconds
→
Picture and sound may be noticeably affected by errors.
(Image freezes, block noises, interrupted sound)
d) Thirty-one to 100 errors for 20 seconds
→
Picture and sound are remarkably affected by errors. Image freezes
or interrupted sound may occur.
e) More than 100 errors
→
Picture and sound cannot be outputted.
The figures shown below the bars indicate the numbers of packet errors for 20 seconds.
»
This model cannot receive video and audio signals clearly if the following conditions are met:
VSB: LOCK, VSB MODE: 8VSB, SI GET: OK, PACKET ERROR level at a) or b).
SERVICE MODE 2 screen
SERVICE MODE 2:
Tells that the set is in the service mode 2.
V1.01 and CH:**.**:
The same as with the service mode 1.
SI/PSIP:
Shows which the set is receiving, SI or PSIP.
(NO STREAM is indicated when unlocked.)
FORMAT:
Indicates the numbers of horizontal and vertical pixels, frame frequency, interlace/progressive
and aspect ratio of the video format now being received.
V-DECODER & A-DECODER:
Shows if the decoders are working correctly.
SERVICE MODE 2 V1.01
STATUS2 : VIDEO/AUDIO
CH : **.**
SI/PSIP : SI/PSIP/NO STREAM
FORMAT : 1920
×
1080 60I 16:9/NO STREAM
V-DECODER : WORKING/NO STREAM
A-DECODER : WORKING/NO STREAM