AN5195K-C
ICs for TV
■ Electrical Characteristics (continued)
• Typical conditions when testing (continued)
2. I2C bus conditions: (PAL)
DAC typical condition
Color
Sub Address
Data (H)
20
Center
Center
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
Tint
20
Brightness
Contrast
Center
40
Center
20
Cut-off R
Cut-off G
Cut-off B
Drive R, B
Video output
Picture center position
AFT
Minimum
Minimum
Minimum
Center
00
00
00
40
Center
40
Center
01
Center
20
RF AGC
Center
44
VIF VCO
Center
C0
SW typical condition
PAL mode
RF being inputted state (Video1 in, SIF1 in)
■ Terminal Equivalent Circuits
Pin No.
Equivalent circuit
Description
Pin 1: Primary color signal clamp pin (R):
DC (V)
1
2
3
DC
9 V
(VCC1
)
Pin 2: Primary color signal clamp pin (G): approx. 7 V
Pin 3: Primary color signal clamp pin (B):
Pins 1,2,3
300 Ω
C
300
0.01 µF
Clamp pulse uses internal clamp
pulse (BGP)
•
Ω
BGP
150 µA
Brightness
control
4
Killer filter pin:
DC
5 V
(VCC3
)
Filter pin for killer detection circuit approx. 3.3 V
(operates for BGP period)
•
3.3 V
1V
Killer turns on (without color out-
put) at 2.8 V or less
•
0.47 µF
Killer
det.
circuit
4
137 kΩ
270 Ω
1.0 MΩ
2.5 V
BGP
9 V
2.8 V
100 µA
14
PANASONIC [ PANASONIC ]
