Philips PM2519 - Page 64

4-10
4.2.9. ADC part test
SELECT SUPPLY
WTO THE vQmA
AND 0 SOCKET
CORRECT VOLTAGE
ON PIN6 OF
A1200 (90mv} ?
CHECK
Vde PART
NO. VOLTAGE HIGHER NO.
THAN 90mV ?
YES
AZ PULSES
ON PIN13 OF
A200 ?
YES a
CORRECT VOLTAGE \ eHEeK
. TTSIGNAL o oe } DIGITAL PART
YES
CORRECT CLOCK
ON PIN3 OF A1200 ?
(SIGNAL 4) ?
CHECK
DIGITAL PART
48V NOTE: SCOPE IN
POSITION AC.
0 KH:
SIGNAL 3 [00 ig]
a ane ae
SIGNAL 4 | 150 KHe | Lita
NOTE: Measurement zero is the low socket.
ST4428
840629