Maintenance; Wartung; Adjustments And Checks - Philips 22RC268/00 Service Manual

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MAINTENANCE
The cassette mechanism requires periodic cleaning,as
well as periodic lubrication of the principal points.
1. Cleaning with alcohol or spirit
- Playback head
- Capstan & pressure roller
- Belts & pulleys
To clean head, pressure roller and capstan, it is also
possible to use drop-in cassette SBC 114-4822 389
20035.
2. Lubrication
- See exploded view.
(GD ONDERHOUD
Het cassette mechanisme moet periodiek
schoongemaakt en op de belangrijkste punten
gesmeerd worden.
1. Schoonmaken met alcohol of spiritus
- Weergeefkop
- Toonas & drukrol
- Snaren & poelies
Voor het reinigen van kop, drukrol en toonas kan ook
"drop-in'"-cassette SBC 114-4822 389 20035 worden
gebruikt.
2. Smering
- Zie exploded view.
CF MAINTENANCE
Le mécanisme de cassette doit étre nettoyé
réguiliérement et graissé a ses points cardinaux.
1. Nettoyage a l'alcool ou a |'alcool éthylique
- Téte de reproduction
- Cabestan & galet-presseur
- Courroies & poulies
Pour ce qui est du nettoyage de la téte, du
galet-presseur et du cabestan on pourra également
utiliser la cassette "drop-in" SBC114-4822 389 20035.
2. Lubrification
- Voir vue éclatée.
CD) WARTUNG
Der Cassettenteil soll in regelmassigen Zeitabstanden
gereinigt und an den wichtigsten Stellen geschmiert
werden.
1. Reinigen mit Alkohol oder Spiritus
- Widergabekopf
- Tonwelle & Andruckrolle
- Pesen & Seilrollen
Zum Reinigen von Kopf, Andruckrolle und Tonwelle
kann auch die "drop-in"-Cassette SBC114-4822 389
20035 benutzt werden.
2. Schmierung
- Siehe Explosionsansicht.
CID MANUTENZIONE
La meccanica del registratore richiede pulizie
periodiche, i Eesti c s
come pure periodiche lubrificazioni dei punti principali.
1. Pulizia con alcool o spirito
- Testina di riproduzione
- Capsian & rullo pressore
~ Cinghie & puleggie
Per la pulizia delia testina, del rullo pressore e del
capstan si pud usare la cassetta "drop-in"
SBC 1 14-4822 389 20035.
2. Lubrificazione
- Vedere esploso.
ADJUSTMENTS AND CHECKS
Equipment required:
- Universal test cassette SBC419 4822 397 30069
- Universal test cassette SBC420 4822 397 30071
- Friction test cassette 811/CTM 4822 395 30054
- Spring scale 50-500g 4822 395 80028
- Wow & flutter meter
- AC millivoltmeters
1. Azimuth (Fig. 1)
Azimuth alignment should be carried out on a complete
car radio; proceed as follows:
- Connect the millivoltmeters to the loudspeaker
outputs.
- Insert test cassette SBC419 (or SBC420), select
NOR (normal play) and play the 10kHz signal.
- Adjust Azimuth screw "A" for equal and maximum
output voltage reading for both RH and LH channel.
- Switch to REV (reverse play) and play the 10kHz
signal.
- Repeat the adjustment with screw "B"
2. Friction clutch 55
- Insert friction test cassette 811/CTM
(NOR and REV).
- Play take-up torque should be 35 - 75g/cm.
- Fast wind torque should be 40 - 150g/cm.
- If the torque is not correct, replace clutch 55.
3. Wow & flutter/tape speed (Fig. 1)
This check is carried out on an complete car radio;
proceed as follows:
- Connect the wow & flutter meter to the LS outputs
- Insert test cassette SBC419 (or SBC420) and play
the 3150Hz signal
- The wow & flutter value should be 0.35%
- Tape speed should be 4.76cm/sec. 2%
- The tape speed can be adjusted with screw "C"
In case of an excessive wow & flutter value, check
following parts for correct functioning:
- motor 56
- pressuer rollers 62, 84
- belts 63, 93
- friction clutches 55
- flywheels 92, 94
- pulley 71
CDS-36MH3