6.2 No Power & Power LED Off
No power
Check primary
rectifier voltage
Check IC802,
C804, T801
Check circuit
if short
Check F801,
P801,,RT801, D801
Check pin5 of
IC802 voltage
about 2.3V
Check R833, R835,
R805, R834, R807
Check pin4of IC802
voltage about300 V
Check R808,R806
Check pin7 of IC802
voltage is 16V
Check FB801,D803
Is there instantaneously
pulse wave on pin8
Check IC802
END
ViewSonic Corporation
VX2433wm-1
VX2433wm-CN
CONFIDENTIAL – DO NOT COPY
76
Summary of Contents for VX2433wm-1
Page 6: ...ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 3...
Page 40: ...BACKCOVER ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 37...
Page 41: ...PANEL BEZEL ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 38...
Page 42: ...KEYPAD CHASIS ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 39...
Page 44: ...IF BOARD ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 41...
Page 86: ...7 Block Diagram ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 83...
Page 88: ...VGA INPUT ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 85...
Page 89: ...DVI INPUT ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 86...
Page 90: ...HDMI INPUT ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 87...
Page 91: ...SCALER ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 88...
Page 92: ...AUDIO ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 89...
Page 93: ...ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 90...
Page 94: ...POWER SUPPLY ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 91...
Page 95: ...INVERTER SUPPLY ViewSonic Corporation VX2433wm 1 VX2433wm CN CONFIDENTIAL DO NOT COPY 92...