Philips PM 5390 - Page 5

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8.
SAFETY INSPECTION
AND
TESTS AFTER
REPAIR
AND
MAINTENANCE IN THE PRIMARY
CIRCUIT
8.1.
General
directives
8-1
8.2.
Safety
components
8-1
8.3.
Checking the protective
earth connection
8-1
8.4.
Checking
the
insulation
resistance
8-1
9.
SPARE
PARTS
9.1.
General
9-1
9.2.
Static sensitive
components
9-1
9.3.
Handling
MOS
devices
9-1
9.4.
Soldering techniques
9-1
9.5.
Parts
list
9-3
10.
FIGURES
30
-47
Fig.
30
Block
diagram
Fig.
31
Front
view
Fig.
32
Rearview
Fig.
33
Overall circuit
diagram
Fig.
34
Unit
10,
Unit
7;
Motherboard,
Power
supply:
componeniMay-out
Fig.
35
Unit
10,
Unit
7;
Motherboard,
Power supply:
circuit
diagram
Fig.
36
Units U1
and U2:
component
lay
-out
Fig.
37
Unit
1
;
CPU, lEC
bus
interface: circuit
diagram
Fig.
38
Unit
2;
Control
unit:
circuit diagram
Fig.
39
Unit
3;
Modulation
interface
Fig.
40
Unit
4;
Keyboard/display
interface
Fig.
41
Unit
5;
Keyboard/display
Fig.
42 R
F
units
mounted
Fig.
43
RF
unit 1 :
component
lay-out
Fig.
44 R
F
unit
1 : circuit diagram
Fig.
45
R F
unit
2: component lay-out
Fig.
46
RF
unit
2:
circuit
diagram
Fig.
47
RF
unit
12:
power
amplifier
11.
APPENDIX
Data
sheets of
Integrated
circuits:
HEF
4750,
HEF
4751,
11C90
Principle of
"Pulse
swallowing"
12.
CODING
SYSTEM
OF
FAILURE REPORTING
FOR
QUALITY
13.
ADDRESSES
FOR
SALES AND
SERVICE