Commodore 1960 - Page 9

1960 SERVICE MANUAL
Vertical Lines
350 400 480
600
CGA
EGA
Horizontal Freq.
■31.468 KHz-
35.52 KHz
Sync. Polarity
POS
NEG
NEG
POS
POS
POS
A us
31.78 31.78
31.78
28.44 63.5
45.76
B us
3.81 3.81 3.81
2.00
4.50
5.60
C us 1.91
1.91
1.91
3.66
7.80
1.00
D us 25.42 25.42 25.42
22.22 44.50
39.37
E us 0.64 0.64 0.64 0.67
6.70
-0.20
Vertical Freq.
60 Hz 70 Hz 60 Hz 56.25 Hz
60 Hz
60 Hz
Sync. Polarity
NEG
POS NEG POS
POS NEG
O ms
14.27
14.27
16.68
17.78
16.637
16.75
P ms
0.06
0.06 0.06
0.06 0.19
0.60
Q ms
1.91 1.11
1.05 0.63
2.30
0.08
R ms 11.12
12.71
15.25
17.07
12.576
16.02
S ms
1.18
0.38
0.32
0.03
1.60 0.05
HORIZONTAL
VIDEO
C
D
E
B
^
__
SYNC
A
^ w
VERTICAL
________ I VIDEO
◄------------------------►
Q
R
S
SYNC
P
^
_
O
^
.... ^
J
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