Philips 286NS-05, Руководство по обслуживанию

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3 Safety instructions, Maintenance instruction,
5 Comet
3. Where necessary, the oscillograms and direct voltages are
measured with and without aerial signal. Voltages in the
power supply section are measured both for normal
operation and in standby . These values are indicated by
means of the appropriate symbols (see fig. 3.3).
4. The picture tube PWB has printed spark gaps. Each spark
gap is connected between an electrode of the picture tube
and the Aquadag coating.
5. The semiconductors indicated in the circuit diagram and in
the parts lists are completely interchangeable per position
with the semiconductors in the unit, irrespective of the type
indication on these semiconductors.
Figure 3-2
Figure 3-3
V
CL 26532098/042
140792
tuner earth
tuner aarde
la masse du tuner
Tuner-Erde
massa del tuner
tierra del sintonizador
with aerial signal
met antenne signaal
avec signal d'antenne
mit Antennensignal
con segnale d'antenna
con la señal de antena
normal condition
normaal bedrijf
fonctionnement normal
normaler Betrieb
funzionamento normale
funcionamiento normal
hot earth
hete aarde
la terre directe
heißen Erde
massa calda
tierra caliente
without aerial signal
zonder antenne signaal
sans signal d'antenne
.ohne Antennensignal
senza segnale d'antenna
sin la señal de antena
stand by
stand by
position de veille
in Bereitschaft
modo di attesa
posición de espera