Daewoo DTH-25G1FST/FSP/FS, Service Manual

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IC DESCRIPTION
3. Pin Description
SYMB OL PIN DESCR IPTIO N SYMBOL PIN DESCRIPTION
R 2 1 N .C R / 27 R ead /w rite selection input
G 2 2 N .C H U E 28 H U E control input
B 2 3 N .C i.c. 29 N .C
ID E N T 4 C olor standard identification output IN T B 30 Internal bias
B LA N K 5 N .C G N D 2 31 G round 2 (0V)
B 6 N .C C V B S sw 32 C V B S positive/negative m odulation
control sw itch input
G 7 N .C n.c 33 N .C
R 8 N .C n.c 34 N .C
S YS Tsw 9 C V BS /system sw itch D E C
BG
35 B andgap decoupling
R 1 10 N .C V O U T 36 Vertical sync output pulse
G 1 11 N .C P H 1LF 37 P hase 1 loop filter
B 1 12 N .C G N D 3 38 G round 3 (0V)
B LA N K 1 13 N .C H O U T 39 H orizontal sync output pulse
C LA M P 14 C lam ping pulse input S A N D 40 N .C
D EC
FT
15 D ecoupling filter tuning V
P2
41 S upply voltage 2 (+ 8V )
C H R O M A
I
16 N .C X TA L1 42 4.4336M H z crystal
C VB S
EXT
17 E xternal C VB S /Y input X TA L2 43 3.5820M H z crystal for PA L-N
G N D 1 18 G round 1 (0V ) X TA L3 44 3.5756M H z crystal for PA L-M
V
P1
19 S upply voltage 1 (+8V ) X TA L4 45 3.5795M H z crystal for N T SC
C VB S
INT
20 Internal C V BS input P LL 46 P LL color filter
D EC
D IG
21 D ecoupling digital supply rail C H R O M A
O
47 N .C
i.c. 22 N .C S E C A M 48 S E C AM reference output
LO G IC 2 23 N .C Y 49 Y output
LO G IC 1 24 N .C B -Y 50 B -Y output
C O LO R 2 25 N .C R -Y 51 R -Y output
C O LO R 1 26 N .C B LA N K2 52 B lanking/insertion input 2 (PIP )