Atari Centipede - Page 62

Centipede
E. CAT
Box Settings
for Address
Decoder Test
(I.C. F/H1)
Probe
Trigger
IC-Pin Test Pt.
Start
~]
F/H1-20
ROM2
Stop
1
F/H1-20
ROM2
Clock
L_
C2-39
02
F. Signatures
-200
ROMs:
-300
ROMs:
Logic
Probe
Signal
Signature
Signature
on
IC-Pin
Name
Should Be
Should Be
F/H1-9
DBO
CU62
77C1
F/H1-10
DB1
9553
04CC
F/H1-11
DB2
7756
11F0
F/H1-13
DB3
A7CF 6UC2
F/H1-14
DB4
6081
1300
F/H1-15
DB5
5HAC
6572
F/H1-16
DB6 6U43
U047
F/H1-17
DB7
F83H
9U68
G.
CAT
Box Settings for
ROM3 Test (I.C. J1)
Probe
Trigger IC-Pin Test
Pt.
Start
L_
J1-20
ROM3
Stop
f
J1-20
ROM3
Clock
1
C2-39 02
H.
Signatures
200
ROMs:
-300
ROMs.
Logic
Probe
Signal Signature
Signature
on
IC-Pin
Name Should Be
Should Be
J1-9
DBO 476
H
75CU
J1-10
DB1
2A2C
3FFA
J1-11
DB2
2337 F717
J1-13
DB3 FP07 H5U0
J1-14
DB4
A9AF 959U
J1-15
DB5 12HA
5050
J1-16 DB6 2367 C439
J1-17
DB7
8P82 HF82
5.
Checking
Horizontal
Sync
(Synchronizer)
A.
CAT
Box Settings
for P2
Counter
Test
Probe
Trigger
IC-Pin
Start _J
P2-11
Stop
I
P2-11
Clock
1
P2-2
B. Signatures
Logic
Probe Signal Signature
on IC-Pin
Name
Should Be
P2-15
—
0102
P2-14 6MHz 55H1
P2-13
1H
334U
P2-12 2H
0U16
K4-11
—
0102
N1-6 6MHz ACA2
C.
CAT
Box Settings for N2
Counter
Test
Probe
Trigger
IC-Pin
Start
1
N2-11
Stop 1
N2-11
Clock
—1
~
P2-2
D.
Signatures
Logic Probe Signal Signature
on
IC-Pin
Name
Should Be
N2-15
—
C3F2
N2-14 8H 7P25
N2-13
16H
85PA
N2-12 32H
77F7
E.
CAT Box Settings for
M2 Counter
Test
Probe Trigger
IC-Pin
Start 1
M2-13
Stop
f
M2-13
Clock
-
J
”
P2-2
F. Signatures
Logic Probe Signal Signature
on IC-Pin
Name Should
Be
M2-15
—
FH5F
M2-14 128H
4596
N1-10
—
CC34
M3-8
—
1979
M3-5
HSYNC P77U
M3-6
HSYNC
309C
M4-3 256H2D 2633
M4-15 256HD A829
M4-14 256HD 7UFH
N1-4
m
H93H
L4-3 COLOREN A829
L4-2
—
7UFH
L8-11 HBLANK
8304
D4-8
—
24U5
3