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Manuals
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Philips Manuals
Multimeter
pm2521
Service manual
Philips PM2521 Service Manual page 6
Automatic multimeter
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:
Operating manual
(52 pages)
,
Operating manual
(152 pages)
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Contents
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Table of Contents
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2.
ACCESS
57
2.1.
Dismantling the
PIVI2521
57
2.1
.1
.
Removing
the
top
cover
57
2.1.2.
Removing
the
bottom
cover
57
2.1.3.
Removing
the front
assembly
57
2.2.
Replacing
parts
58
2.2.1.
Liquid
crystal
display,
display unit
N3,
interconnection rubber
or
function
knob
... 58
2.2.2.
Function
switch
58
2.2.3.
Thermal
fuse
58
3.
CHECKING
AND
ADJUSTING
62
3.1.
DC
ranges
63
3.2.
AC
ranges
65
3.3.
Trigger
level
ranges
66
3.4.
Current
ranges
68
3.5.
Resistance ranges
68
3.6.
Temperature
ranges
69
3.7.
Frequency
ranges
69
3.8.
Time
ranges
70
4.
FAULT-FINDING
71
4.1.
General
71
4.1.1.
Service hints
71
4.1.2.
Fault-finding
procedure
71
4.1.3.
Fault-finding
with the
signature analyser
71
4.2.
Fault-finding flow-charts
72
4.2.1.
Basic
check
72
4.2.2.
Function
part
73
4.2.3.
V
.77
part
74
4.2.4.
V
~
part
74
4.2.5.
Trigger
level
part
76
4.2.6.
A
.r:
and
A
~
part
78
4.2.7.
fZ
part
79
4.2.8.
Analog
part
80
4.2.9.
ADC
part
81
4.2.10.
Digital
part
82
4.2.11.
Free-run
84
4.2.12.
Display
part
86
4.2.13.
Power
supply check
88
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Checking and Adjusting
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