Acer
Service Manual
3. No raster
N o ra ste r
EN D
L E D G re e n ?
B a c klig h t c a n
n o t b e tu rn e d o n
Is O k IC 5 0 1 ?
Is R 5 2 6 O k?
Is o k T 5 0 1 , T 5 0 2 ?
Is th e re p u ls e w a v e fo rm o n p in 1 ,
p in 3 , p in 1 5 a n d p in 1 6 o f IC 5 0 1 a t th e
m o m e n t o f re s ta rt?
C h e c k C N 5 0 1 , C N 5 0 2 ,
C N 5 0 3 a n d C N 5 0 4 ?
Is th e re h ig h -le ve l
vo lta g e o n p in 8 o f
IC 5 0 1
I
s th e re 1 4 V d c
v o lta g e o n p in 1 3 o f
IC 5 0 1 ?
U 5 0 1 , U 5 0 2 fa il
C h e c k I/F b o a rd
C h e c k p o w e r
s u p p ly
R 5 2 6 o p e n
C o n n e c tin g th e
o u tp u t c o n n e cto r
a g a in
T 5 0 1 , T 5 0 2 fa il
C h e ck p ro te cte d
c irc u it Q 5 0 1 , Q 5 0 2 ,
Q 5 0 3 , Q 5 0 4
IC 5 0 1 fa il
Y ES
Y ES
Y ES
Y ES
Y ES
Y ES
Y ES
Y ES
N O
N O
N O
N O
N O
N O
N O
Y ES
Y ES
22
Summary of Contents for P221W
Page 1: ...Acer Service Manual Service Manual LCD Monitor Acer P221W P223W 0 ...
Page 10: ...Acer Service Manual Chapter 4 Disassembly Assembly 1 Exploded Diagram 9 ...
Page 28: ...Acer Service Manual 27 Attachment 2 Schematic ...
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Page 37: ...Acer Service Manual 36 Attachment 3 PCB Layout ...