ViewSonic PJ452 Service Manual - Page 15
Set the LAMP DOOR
 |
UPC - 766907174311
View all ViewSonic PJ452 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 15 highlights
Power can not be turned on Are voltage input at pins (1)(3)(5)(7) of E800 NO on the PWB assembly Main at standby mode? (1): +0V YES (3): +17V (5): +6.6V (7): +4.1V Disconnect TSW form Power unit (circuit). And check TSW short or open? Short Open TSW Power unit (circuit) Fuse on the Power unit (circuit) What is the state of TEMP indicator D302? Blinks Jump to * on the page 13 Not light What is the state of LAMP indicator D303? Blinks Is the LAMP DOOR set? NG Set the LAMP DOOR Not light OK PWB assembly Main PWB assembly Main Short (0 ) Unplug power cord and disconnect cable CNLC, then measure resistance between pins (1) and (2) of CNLC. Open PWB assembly Limit SW ViewSonic Corporation Confidential - Do Not Copy PJ452 12
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
 |
 |
Power can not be turned on
Are
voltage input at
pins (1)(3)(5)(7) of E800
on the PWB assembly
Main at standby
mode?
(1): +0V
(3): +17V
(5): +6.6V
(7): +4.1V
Power unit (circuit)
Fuse on the
Power unit (circuit)
NO
YES
Disconnect
TSW form Power unit
(circuit). And check
TSW short or
open?
PWB assembly Main
Short
TSW
Open
What is the state of
TEMP indicator D302?
Not light
Blinks
Jump to * on the page 13
What is the state of
LAMP indicator D303?
Not light
Blinks
Short (0
)
Unplug
power cord and
disconnect cable CNLC,
then measure resistance
between pins (1)
and (2) of
CNLC.
Open
PWB assembly Limit SW
PWB assembly Main
Is the LAMP DOOR
set?
OK
Set the LAMP DOOR
NG
ViewSonic Corporation
Co
nfidential
- Do Not Copy
P
J452
12