AN5195K PANASONIC [Panasonic Semiconductor], AN5195K Datasheet - Page 23

• Manufacturer Part Number: AN5195K
• Description: Single chip IC for PAL/NTSC color TV (built-in I2C bus interface)
• Manufacturer: PANASONIC [Panasonic Semiconductor]

ICs for TV
Pin No.
Terminal Equivalent Circuits (continued)
52
53
54
55
56
detecter
detecter
54
AFC2
AFC1
4.3 V
2 k
1 k
220 pF
Hor. sync.
1 000 A
19 k
100
4.3 V
max.500 A
A
20 k
55
2 k
1 k
From DAC
(hor. position)
Equivalent circuit
20 k
200
10 k
A
0.022 F
820
22 F
I
1.5 V
C2
R
10 k
27 k
40 k
50
53
R1
300
52
4.3 V
10 k
1.9V
40 k
200 A
20 k
56
0.033 F
C1
0 V
50 A
2.8 V
To
count down
3 V
6.3 V
(V
To hor. out
22 k
80 A
CC2
Hor. out
27 k
6.3 V
(V
6.3 V
(V
)
6.3 V
(V
OSC
3.3 V
Hor.
6.3 V
(V
CC2
CC2
CC2
CC2
V
)
52
)
)
)
Horizontal AFC2 filter pin:
• Pulse phase of FBP and IC inside are
• Screen center position adjustment is
• According to the time from H-out to
Horizontal AFC1 filter pin:
• Pulse phase of horizontal sync. sig-
• R1, R2, C1 and C2 are lag-lead fil-
Horizontal oscillation pin:
• Oscillation is done at 32 f
• Horizontal and vertical pulse are
Overvoltage protection input pin:
• Input pin for protection circuit
• Shut-down is started by inside logic
Horizontal pulse output pin:
• Pulse duty approx. 36%
compared and capacitor connected to
pin 52 is charged or discharged.
executed by charge or discharge of
DC current with DAC.
FBP-in, V
level of inside saw-tooth waveform is
changed.
nal and IC inside are compared and
capacitor connected to pin 53 is
charged or discharged.
ters for AFC1
by ceramic resonator.
made by count-down circuit of IC
inside.
against X-ray caused by overvoltage.
circuit when H-out is low. (break-
down protection of horizontal drive
T
R
)
f
H
52
Description
is changed, and slice
Horizontal curve
V
53
H
503 kHz
AN5195K-C
(approx. 503 kHz)
Normally 0 V
typ. 4.3 V
f
DC (V)
1.5 V
3.5 V
Pulse
DC
DC
AC
DC
AC
to
32 f
H
23