Fault Finding - Philips GM 5605 Manual

54 Faultfinding
The quiescent current for the various valves is as follows:
B1003 5642 0.5 mA
ECL 82 7 m
tode in parallel)
Fault finding VII
The arrangement of the component parts is shown in Figs. 28 ... 38.
To enable faults to be traced quickly, the principal voltages and wave-
forms are shown in the drawings of the printed wiring boards and in the
circuit diagrams. To enable faults to be remedied quickly, one should be
familiar with the working of the apparatus and the instructions relating
to its adjustment (chapters I and V). If necessary, you can always apply
to the PHILIPS Service Organisation.
Bl, B2, B501, B502, B503, B701, B702 : ECF 80 4 mA (triode and pentode
in parallel)
B3, B703 ECC 85 3 mA (both triodes in
parallel)
B1001 ECL 82 7 mA (triode and pen-
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