Daewoo DSN-300A, Service Manual

Page: 4 / 48

3
2. DESCRIPTION OF THE EXTERNAL PORT
ITEM
TESTING POSITION
AND CONDITIONS
SPECIFICATIONS REMARKS
M ain A C B o th end s of the A C 120 V ac
±
10% D S N -30 0A
V c c B + V C C , G N D 5V
± 5%
Im a ge Inp ut V G A IN 75 S tand ard S igna l
Im a ge O utp ut R C A V C R 75 1V p-p
± 5%
S -V H S 7 5 b urs t le vel Y : 1V P -P
± 5%
C :0.28V p-p
±5%
V G A O U T 75 R .G .B .: 0.707
±5%
LIN E A R
D C O F F S E T 0.5 V
H S Y N C : 31.5kH z-40kH z
V S Y N C : 50kH z-90kH z
S o und O utput R C A A U D IO
(4 7 k or m o re)
1.4 14V p-p
± 10%
(T he stan dard is-3.8dB M )
W ire K e yboa rd or
M ou se Inpu t
V C C , G N D
K B C LK
K B D A T A
M S C L K
M S D A T A
5V
± 5%
N o rm a l; high . In o peration; low .
12.5 kH Z [5 .0V p-p
± 15%]
4.2 kH z[5 .0V p-p
± 15%]
11kH z[5.0 V p -p
± 15%]
2kH z[5 .0V p-p
± 15%]
W irele ss K eyb oard o r
W irele ss M o use Inp ut
IR W he n inpu ttin g u sing th e ke yboa rd
5V p-p
± 15%
P rinter O utput P A R A L LE L stand ard o utpu t