Philips pm2521 - Page 183

11
10
.
6 .
Test
3
(Relay
and
FET test).
Setting
Edge Testpoint
Signalname
start
stop
clock
qualifier
qualifier
ground
li
(neg)
J"
(pos)
S
(pos)
li
(neg)
(pos)
TP14
TPM
TP15
D1903
pin
7
D1903 pin 2
TP1
|P17l
[PIZJ
ALE
AZC/P]
AZ
Logic 0
NOTE: The testrom placed
in D 1909 socket
(Both ROMs removed)
2. Short circuit TP10 and TP
11
3.
Reading
display:
L3
4.
Reference
logic
0
=
000
logic 1
=
593
A
09
QIS
DATA
oil
CLOCK
015
010
01
DLEN4
014
013
Q2
08
03
012
VEE
07
06
05
04
LOEX VCC
DUP VEE
rP2ll
*0000
D1908
SAA1060
LOGIC 0
=
0000
LOGIC 1 =593A