Philips PM2519 - Page 68

4.2.12. Power supply test
CONNECT +5¥V TO
TP1006 AND TP 1007
(LOGIC 0}
10v
0
5V
[184s] signat 6
CHECK
V1672, V 1673
CORRECT VOLTAGE
ACROSS C1605
+8.5V ?
CORRECT VOLTAGE
ON COLLECTOR
V1606 ? (SIGNAL 6}
CORRECT VOLTAGE
ACROSS C1606
-8.5V ?
YES
CHECK 11601,
V 1606 ,V 1605
CONNECT +7V TO
TP 1005 AND TP 1007
(LOGIC Q)
CORRECT VOLTAGE
ON PIN3 AND 2 OF
A1600 ? (-1,7V)
CHECK V1662
AND V1600
SUPPLY +5V TO
TP 1005 AND TP 1006
(LOGIC 0)
CORRECT VOLTAGE
ON ANODE OF
V1661? OV
CHECK V1603
AND V1602
$T4432
840629
CORRECT
POWER SUPPLY
NOTE: Measurement zero is the low socket.