Philips PM2519 - Page 59

4.2.4.
Vac part test
SET THE
INSTRUMENT IN
POSITION V~
CONNECT 1V SOHz
TO THE VQmA
AND 0 SOCKET
CHECK SWITCH
PCB NI
AND Ade PART
CHECK V1400
AND V1401
CHECK
C1404, C1405.
CORRECT VOLTAGE
(900mV) ON PIN13
OF A1400 ?
CORRECT VOLTAGE
(100 mV) ON PIN17
OF A1400 ?
CORRECT VOLTAGE
(SIGNAL 1) ON
PING AND PIN7
OF A1Z00 ?
$T4423
840629
NOTE: Input sensitivity ADC 900 mV.
Measurement zero is the low socket.
ed
45
NOTE: The voltage on pin 17 must be
measured with a high
impedance voltmeter (100 MQ).
If this is not possible take
account of the shunting effect
(input impedance PM 2519).
Signal 1 pin 6 and 7 of the RMS converter.
ou 34
10ms
SIGNAL 1
O=-9V
1= OV