cxa2050s Sony Electronics, cxa2050s Datasheet - Page 7

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cxa2050s

Manufacturer Part Number
cxa2050s
Description
Y/c/rgb/d For Pal/ntsc Color Tvs
Manufacturer
Sony Electronics
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
CXA2050S
Manufacturer:
SONY
Quantity:
5 969
Part Number:
CXA2050S
Manufacturer:
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Quantity:
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Pin
No.
23
24
25
26
27
29
31
28
30
32
33
R2IN
G2IN
B2IN
SV
RSH
GSH
BSH
ROUT
GOUT
BOUT
IKIN
CC
2
Symbol
23
24
25
33
29
27
31
30
32
28
Equivalent circuit
30k
200
1.1mA
1k
– 7 –
50µA
12k
200
200
100µA
Analog/digital (dual-purpose) RGB signal
inputs.
The input signals are input via capacitors.
When using analog input, input a 0.7Vp-p
signal (no sync, 100 IRE); when using
digital input, input a signal of at least
1.5Vp-p (Vth = 1.2V).
The display level is 78 IRE. When using
digital input, digital input is selected
regardless of the YS2 setting.
In addition, the VM output is turned off.
These pins are clamped to 5.7V at the
burst timing of the signal input to the
HSIN input (Pin 53).
Power supply for RGB block.
Sample-and-hold for R, G and B AKB.
Connect to GND via a capacitor.
When not using AKB (manual CUTOFF
mode), R, G and B cut-off voltage can be
controlled by applying a control voltage to
each pin. The control voltage is 4.5 ± 1V.
R, G and B signal outputs.
2.5Vp-p is output during 100% white
input.
Input the signal converted from the CRT
beam current (cathode current Ik) to a
voltage via a capacitor. The V blanking
part is clamped to 2.7V at the V retrace
timing.
The input for this pin is the reference
pulse return, and the loop operates so
that the Rch is 1Vp-p and the G and Bch
are 0.81Vp-p. The G and Bch can be
varied by ±0.5V by the bus CUTOFF
control. When not using AKB, this pin
should be open.
Description
CXA2050S

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