Philips CD721 - Page 11

10
SERVICING HINTS
In the set chip components have been applied. For disassembly and assembly of chip components see the figure
below.
GENERAL DISMOUNTING
VACUUM PISTON
SOLDERING
4822
395
10082
IRON
e.g.
WELLER
SOLDER
TIP
PT-H7
OR
SOLDERING
IRON
SOLDER WICK
4822 321 40042
e.g. A PAIR OF TWEEZERS
a//¥
HEATING HEATING
x we
SOLDERING IRON
CHIP
COMPONENT
SOLOEA SOLDER
COPPER TRACK
P.C.B.
GLUE
SOLDER WICK CLEANING
PRECAUTIONS
SOLDERING
IRON
SOLDERING
IRON
CHIP
COMPONENT
SERVICE PACKAGE
SERVICE TOOLS
Audio signal disc
Disc without errors (test disc 5) +
disc with DO errors,
black spots and fingerprints (test
disc 5A
Disc (65 min 1kHz)without pause
Max. diameter disc (58.0 mm)
Torx screwdrivers
Set (straight)
Set (square)
13th order filter
4822 397 30184
4822 397 30096
4822 397 30155
4822 397 60141
4822 395 50145
4822 395 50132
4822 395 30204
PCS 60 673
MOUNTING
e.g. A PAIR OF TWEEZERS
SOLOER
@05-0.8mm
SOLDERING
PRESSURE
IRON +
SOLDERING TIME SOLDER
<3 sec/side @0.5 - 0.8 mm
PRESSURE SOLDERING
+ IRON
EXAMPLES
Os
SOLDERING
IRONZ
27 012012