AN5195K-C
ICs for TV
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
DC (V)
AC
46
Vertical and horizontal sync. separation
5 V
(VCC3
16 kΩ
)
input pin:
2 V[p-p]
16 kΩ
2 V[p-p]
• Sync. top is clamped to 1.3 V.
To H
sync. sep.
To V
sync. sep.
1.3 V
RH
0.1 µF
46
270 Ω
CH
1 200 pF
20 µA
47
48
VCC3-2 (typ. 5 V):
• Chroma and Jungle circuit use
DC
5 V
Chroma signal input pin:
AC+DC
5 V
Chroma
signal
(VCC3
)
Black extension start point adjust-
Burst typ.
1 000 pF
12.5 pF
15 kΩ
ment pin
150 mV[p-p]
DC typ.
To
• Pin 48 is chroma signal input pin
and black extension start point is
adjusted by DC voltage applied
externally.
chroma amp.
9 V
10 kΩ
4.5 V
2.5 V
50 µA
9V
(VCC1
)
48
10 kΩ
To
black level
expansion
100 µA
25 µA
49
50
GND:
DC
0 V
Video, chroma and jungle circuit use
FBP input:
AC
5 V
(VCC3
)
100
FBP input pin for horizontal blank-
•
FBP
100 µA
50 µA
50 µA
µA
ing and APC circuit
Threshold level HBLK: 0.7 V
AFC: 1.9 V
•
•
1.9 V
24 kΩ
To
If DC 1.3 V is applied from outside,
the state comes to all blanking
AFC
To
HBLK
0.7 V
50
60 kΩ
40 kΩ
40 kΩ
50 µA
51
Horizontal stabilized power supply pin:
• Stabilized power supply for horizon-
tal circuit start up. Zener circuit is in-
cluded inside.
DC
6.3 V
I51
VCC2
51
To hor. OSC
typ. 15 mA
V51
6.3 V
47 µF
I51
22
PANASONIC [ PANASONIC ]
