Philips PM2519 - Page 58

44
4.2.3.
Vde,mV
and
Kl
>
preset
part
test
SET INSTRUMENT
IN POSITION V==
OR Vex. a(]> PRESET
CONNECT 1V
TO THE V@mA_ AND
0 SOCKET
CORRECT (90mV)
VOLTAGE ON THE
JUNCTION OF
R1209 AND R1210 ?
CHECK V1100
AND V1101
CONNECT 10V TO
THE vamA AND
THE 0 SOCKET
CORRECT VOLTAGE
(900mV) ON THE
JUNCTION OF
R1209 AND 1210 ?
CHECK V1100
AND V1101
RNGE AND RNGO
SET THE
INSTRUMENT IN
POSITION mV==
CONNECT 100mV
TO THE VamA AND
0 SOCKET
CORRECT VOLTAGE
(90mv} ON THE
JUNCTION OF
R1209 AND R1210?
CHECK
SWITCH PCB
ST4422
840629
NOTE:
Measurement
zero
is
the
low
socket.
11,11
11,11
1111,11
4411,11
NOTE:
The voltage on the junctions
must be measured with a high
impedance voltmeter
(100 MQ). If this is not
possible take account of the
shunting effect finput impe-
dance PM 2519).