ViewSonic VS13154-1M, Service Manual

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8. YPbPr, S-VIDEO, AV, TV, DTV’S , HDMI, USBFUNCTION TEST
A. Input YPbPr, S-VIDEO, AV , TV, DTV’S signal and check.
B. Input USA air channel (TABLE 1) and USA CATV channel for TV channel.
Under YPbPr , HDMI MODE, Make sure the 408i, 480P, 720P, 1080i,1080p is right.
Under USB to display “ JPEG, BMP” format.
9. AUDIO FUNCTION TEST
A. Audio input includes PC AUDIO IN, S-VIDEO/AV AUDIO IN and YPbPr/DVI AUDIO IN.
B. Under PC MODE, input PC AUDIO signal, checks whether the action of AUDIO IN is right.
C. Under S-VIDEO/AV MODE, input L/R AUDIO signal, checks whether the action of AUDIO
IN is right.
D. Under YPbPr MODE, input L/R AUDIO signal, checks whether the action of AUDIO IN is
right.Under HDMI MODE, checks whether the action of AUDIO IN is right Under TV MODE,
checks whether the action of AUDIO IN is right.
E. In DTV mode, the input signal ATSC, confirmed AUDIO LANGUAGE and the normal
movements PARENT
10.Under PC MODE, input PC AUDIO signal, determines whether the action of INT SPEAKER
output is right. Meets earphone with the EARPHONE, Determined whether the action of
EARPHONE output is normal.
11.DDC EDID confirm
VGA EDID confirm
By P106 VGA CONNECTOR DOWNLOAD EDID confirm whether normal or not
HDMI EDID confirm
By P109, P110, P111 HDMI CONNECTORS DOWNLOAD EDID confirm whether normal or
not
12.All Modes Reset
After final QC step, we must to erase all saved changes again and restore the factory defaults.
You should do “memory recall ” again.
Turn off the LCD TV by pressing “Power” button
13.BURN IN Mode access methods
Key Pad followed by pressing the "MENU" + "ENTER" 2 KEY, entered BURN IN mode
14.DCR function confirm In all source. (VT2730-M model only)
A. DCR turn ON.
B. Input full white pattern then measure the luminance. For example Value A
C. Input full dark pattern the measure the luminace. For example Value B
D. These two value ratio must be more than 100000. (A/B).
ViewSonic Corporation
Confidential - Do Not Copy VT2730
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