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3.
Main Board Trouble Shooting Guide
System no
work
a . IC201 bad soldiering
b. Flash(IC201) without software inside.
c. IC607(Reset IC) function abnormal
d. IC901 no work.
a. Check IC609 (3.3V) or IC610(2.5V)
b. Check MCLK and DCLK
No data signal
output to DMD
BD
The image display "No
Signal" when the input is
PC
The ghost Image
display output of Video
input
Couldn't download new
software to MianBD
Remote mouse
don't work
Keypad
working
abnormally
a. IC901 bad soldiering causing IC901 no work.
b. Check IC609(3.3V) or IC610(2.5V).
c. Check IC203, IC202 if there was MCLK and DCLK
output to IC901.
Yes
a.Check the mouse of PC is still working normally
b.Check the mouse driver of PC is PS2 compatible
mouse
c.Replace IC802
a. Replace IC602
b. IC901
a.CN605 bad soldiering
b.IC901 bad soldiering
c.Avbox and MainBD bad connection
a. Check the voltage of IC502, IC503(3.3V),
IC501(3.3V), BC537(3.3V)
b. if voltage above are OK, then check IC611(VSYNC)
and IC606(HSYNC)
if there were these two signal or not.
c. Replace IC502
Yes
Yes
Yes
Yes
Yes
Check IC613
Check the resisters between IC502 and IC901
(RP501…RP512)
a.Check soldiering condition of R692.
b.IC901 bad soldiering
Check IC612
LampLit signal
abnormal
IR doesn't
work.
Gray bar abnormal or
image contour(PC input)
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
8
7
Содержание PB8220 - XGA DLP Projector
Страница 14: ...Figure 1 Major Blemish Two Zone Screen Critical Zone center 25 Non Critical Zone 13 ...
Страница 33: ...Installation 15 User s Guide 4 Video device or VCR 5 Output monitor ...
Страница 49: ...42 ...
Страница 50: ...43 ...
Страница 51: ...8 Lamp Replacement 44 ...
Страница 52: ...45 ...
Страница 53: ...46 ...
Страница 54: ...9 Shutdown 47 ...
Страница 89: ...Chapter 6 Trouble Shooting 82 ...
Страница 90: ...83 ...
Страница 98: ...6 DMD Board Trouble Shooting Guide 91 ...
Страница 99: ...92 ...
Страница 100: ...Chapter 7 Schematics and Assy Drawing 93 ...
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Страница 105: ...Form No ACM0 0B 003 24 010918 ...
Страница 106: ...Form No ACM0 0B 003 24 010918 ...
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