ViewSonic N2201w-1M Service Manual page 22

1.4.3 Power Consumption Check ( VGA MODE )
A. TIMING: 1680X1050@60Hz
B. Pattern: 1010UPRIGHTNESS PATTERN
C. BRIGHTNESS=MAX, CONTRAST=MAX.
D. The power that each MODE consumed is shown in Chart 1.
MODE MAX POWER COMSUMED
NORMAL
Stand-by
1.4.4 Check the position of the picture displayed and phase auto adjusting (VGA MODE).
Depend on the TIMING of TIMING TABLE (TABLE 2) to switch MODE in order,
stay about 10 seconds each MODE, it can changed and stored automatically each
MODE. We can't switch over to the next MODE until AUTO ADJUST disappears.
1.4.5 HDMI MODE FUNCTION TEST
A. DVI MODE: Depend on the TIMING of TIMING TABLE (TABLE 2 ) to check
MODE in order.
B. HDMI MODE: make sure the 480i, 480p, 576i, 576p, 720p, 1080i TIMING is right.
1.4.6 OSD FUNCTION TEST
A. Time: 1680X1050@60Hz
B. Pattern: 16*12 pane
C. Make sure that Each FUNCTION has one right action.
1.4.7 YPbPr, S-VIDEO, AV, TV, DTV'S FUNCTION TEST
A. Input YPbPr, S-VIDEO, AV , TV, signal and check.
B. Input NTSC Frequency Table(-M) (TABLE 1) for TV channel.
C. Under YPbPr MODE, Make sure the 408i, 480P, 576i, 576p, 720P, 1080i is right.
1.4.8 AUDIO FUNCTION TEST
A. Audio input includes PC AUDIO IN, S-VIDEO/AV AUDIO IN and YPbPr 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.
E. Under HDMI MODE, checks whether the action of AUDIO IN is right.
F. AUDIO OUT FUNCTION TEST: Under all patterns except PC,HDMI,YPbPr pattern,
The Audio output meets active extra speaker, examines whether the extra speaker
makes the sound.
1.4.9 PC AUDIO FUNCTION TEST
Under PC MODE, input PC AUDIO signal, determines whether the action of INT
SPEAKER output is right.
ViewSonic Corporation
120W(max)
1W (max)
Chart 1
19
POWER LED COLOR
BLUE
AMBER
Confidential - Do Not Copy N2201w-1M