Sanyo DP46142, Руководство по обслуживанию

Страница: 8 / 56

8
or no” to do the initial or not.
Notice:
After this item is processed then the DUT needs to be powered off then AC powered off.
5) Full power (For factory test only)
This is for power consumption testing.
To measure the maximum power consumption of TV set, we adjust the value of following items to
maximum.
- Video: Contrast maximum value, Brightness maximum value, Backlight maximum value.
- Audio: Volume maximum value, Bass default value, Treble default value.
Press enter key to turn on Full Power and OSD stay display until press enter key to recover from Full
Power
6) Source Calibration ( without correct machine).
Source Calibration (gain/offset) must be adjusted color by firmware automatic adjustment in PC, and
Component input source.
This item will have a result dialog “OK” or “NG”.
7) Reset to Default
Reset all settings of OSD menu to default value.
- Reset settings: Channel table, Model table (H/V Position, Clock, Phase), Source dependent setting
(Contrast, Brightness etc.), Common setting (Volume, Language etc.), Parental Control (Rating,
Password etc), Closed Caption.
- Please execute Reset to Default once after FW is upgraded.
8) RF Burn In (For factory test only)
Use “snow” pattern for burn in. Selected items are “On” and “Off”.
While turn on burn in mode, firmware will automatically turn off “Auto power off” function.
If there is no power supply suddenly, firmware will re-enter burn in mode automatically when power
supply is back
Pressed the “Power” key, firmware will automatically turn off burn in mode.
Burn in mode: Source is “ANT/Cable" and channel is NTSC channel 3.
9) USB F/W Upgrade
- We don't recommend upgrade FW here. We recommend upgrade FW in normal power on status (not
in factory menu), just plug in USB with correct FW file name. (Refer to item 7)
Upgrade firmware through USB.
10) UART Enable (For factory test only)
Enable to communicate with Auto-Alignment system.
11) Bypass Gamma
For factory test value of gamma.
(6) Performance check
6-1 TV function
Connect RF to the center signal source, enter Channel menu
→
auto tuning, check if there are channels be
skipped, check if the picture and speaker are normal.
6-2 AV terminals
Input Video signal, check if the picture and sound are normal.
6-3 YPbPr terminal
Input YUV signal (VG859 signal generator), separately input the YUV signals listed in table4 and check if the
display and sound are normal at any situation (power on, channel switch and format convert, etc.)
Table4 YUV signal format
FREQ PERIOD
SYNC
POLARITY
PIXEL
CLOCK
Display
SYNC
WIDTH
BACK
PORCH
MODE
LINE(kHz)
FRAME
(Hz)
LINE (pixel)
FIELD
(lines)
LINE
FIELD
(MHz)
LINE (pixel)
FRAME
(lines)
LINE (pixel)
FRAME
(lines)
LINE (pixel)
FRAME
(lines)
15.734 1716 Negitive 27 1440 124 114