LA76814K 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LA76814K
SANYO -> Panasonic
LA76814K Datasheet PDF : 35 Pages
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Parameter
Symbol
Analog OSD B output
level
Gain match
Linearity
BRGB
LBRGB
LA76814
Test point
21
Input signal
L-0
O-1
Test method
Measure the amplitudes at point A (0.35V portion
of the input signal 0-1) and point B (0.7V portion of
the input signal 0-1) of the output signal. Assign
the measured values to RGBLB Vp-p and RGBHB
Vp-p, respectively.
BRGB = RGBLB/CNTCB.
LBRGB = 100×(RGBLB/RGBHB).
Bus conditions
Pin 17: 3.5V
Pin 16A: O-1
applied
RGB Output Block (Cutoff, drive block) Test Conditions
When measuring the RGB block, set the bus bit to 127(01111111) for Contrast.
Parameter
Symbol
Test point
Input signal
Test method
Brightness Normal
control
BRT63
L-0
19
20
Measure the 0IRE DC levels of the RGB output
signals.
R output (pin 19) ···· BRTPCR [V]
G output (pin 20) ···· BRTPCG [V]
B output (pin 21) ···· BRTPCB [V]
BRT63 = (BRTPCR+BRTPCG+BRTPCB)/3.
21
Bus conditions
Brightness:
01111111
Max
BRT127
21
Min
BRT0
Bias
Min
(cutoff)
control
Max
Vbias0
Vbias255
L-50
19
20
21
Bias (cutoff) control
resolution
Vbiassns
Sub-bias control
resolution
Vsbiassns
L-50
Measure the 0IRE DC level of the output signal of
B output (21).
···· BRTPHB [V]
BRT127 = 50×(BRTPHB-BRTPCB)/CNTHB.
Measure the 0IRE DC level of the output signal of
B output (21).
···· BRTPHB [V]
BRT0 = 50×(BRTPLB-BRTPCB)/CNTHB.
Measure the 0IRE DC levels of the RGB output
signals.
R output (pin 19) ···· Vbias0R [V]
G output (pin 20) ···· Vbias0G [V]
B output (pin 21) ···· Vbias0B [V]
Measure the 0IRE DC levels of the RGB output
signals.
R output (pin 19) ···· Vbias255R [V]
G output (pin 20) ···· Vbias255G [V]
B output (pin 21) ···· Vbias255B [V]
Measure the 0IRE DC levels of the RGB output
signals.
R output (pin 19) ···· BAS80R [V]
G output (pin 20) ···· BAS80G [V]
B output (pin 21) ···· BAS80B [V]
Measure the 0IRE DC levels of the RGB output
signals.
R output (pin 19) ···· BAS48R [V]
G output (pin 20) ···· BAS48G [V]
B output (pin 21) ···· BAS48B [V]
Vbiassns* = (BAS80*-BAS48*)/32
*: R, G, B
Measure the 0IRE DC levels of the RGB output
signals.
R output (pin 19) ···· SBTPMR [V]
G output (pin 20) ···· SBTPMG [V]
B output (pin 21) ···· SBTPMB [V]
Vsbiassns* = (BRTPC*-SBTPM*)
*: R, G, B
Brightness:
1111111
Brightness:
0000000
Sub-Brightness:
0000000
Sub-Brightness:
1111111
Red/Green/Blue
Bias: 11111111
Red/Green/Blue
Bias:01010000
Red/Green/Blue
Bias: 00110000
Sub-Brightness:
0101010
Contrast: 0111111
Continued on next page.
No.A0253-19/35
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