Philips AS660C/41 - Page 15

4
SERVICE HINTS
Service Tools
TORX screwdriver set SBC 163... .+++-4822 295 50145
4822 397 30184
Audio signal disc SBC 429 .....
Test disc 5 (disc without errors) +
Test disc 5A (disc. with dropout errors, black spots and fingerprints)
SBC 426/426A....
Burn in test disc (65 min. 1kHz signal at -30dB level without "pause’
Universal test cassette Fe SBC 420..
Universal test cassette CrO2 SBC 419
Handling Chip Components
GENERAL DISMOUNTING
SOLDER
20.5-0.8mm
e.g. A PAIR OF TWEEZERS SOLDERING TIME
S <3 sac/side
fg, A PAIR OF TWEEZERS
IS)
SOLDERING SOLDERING PRESSURE
TRON TRON J
SOLDER, WICK
4822 321 40042
SOLDER
20.6-0.8mn
IS PRESSURE, ‘SOLDERING
I TRON
HEATING, HEATING B
ni
SOLDER, SOLOER
‘COPPER TRACK sounertna
P.0.B, IRON
GLUE CLEANING
SOLDER WICK °
PRECAUTIONS
SOLDERING
TRON
SERVICE PACKAGE. NP COMPBNENT
SOLDERING
in
+ connect x
COPPER TRACK = - “ :
CS 52 139