cxa1853aq Sony Electronics, cxa1853aq Datasheet - Page 19

• Manufacturer Part Number: cxa1853aq
• Description: Rgb Driver For Lcd
• Manufacturer: Sony Electronics

155
156
157
158
159
160
161
No.
Gamma white side gain
difference between R, G
and B
R gamma white side sub
gain adjustment range (1)
R gamma white side sub
gain adjustment range (2)
B gamma white side sub
gain adjustment range (1)
B gamma white side sub
gain adjustment range (2)
Minimum RGB gamma
black side breakpoint value
Maximum RGB gamma
black side breakpoint value
Item
P
P
Symbol
G
G
G
G
G
GBN
GBM
GWT
GWR1
GWR2
GWB1
GWB2
(See “White Side Gamma Measurement Method”.)
Set V45 = V
5.0V, SW41
Then label the non-inverted side gamma gain
at TP15, TP16 and TP17 as G
G
G
(See “White Side Gamma Measurement Method”.)
Set V45 = V
5.0V, SW41
and V72 = 1.6V.
Then measure the gamma gain at TP15, and
label the non-inverted side as G
inverted side as G
Next, measure the gamma gain at TP15 with
V72 = 5.0V, and label the non-inverted side as
G
(See “White Side Gamma Measurement Method”.)
Set V45 = V
5.0V, SW41
and V73 = 1.6V.
Then measure the gamma gain at TP17, and
label the non-inverted side as G
inverted side as G
Next, measure the gamma gain at TP17 with
V73 = 5.0V, and label the non-inverted side as
G
(See “Black Side Gamma Measurement Method”.)
Set V45 = V
1.6V.
Then measure the gamma breakpoints of the
non-inverted and inverted sides at TP15, TP16
and TP17.
(See “Black Side Gamma Measurement Method”.)
Set V45 = V
5.0V, SW1
Then measure the gamma breakpoints of the
non-inverted and inverted sides at TP15, TP16
and TP17.
G
G
G
G
G
WBT
WRTA
WRM
WBM
GWT
GWR1
GWR2
GWB1
GWB2
, and the inverted side gamma gain as
and the inverted side as G
and the inverted side as G
, G
= G
= G
= G
= G
= G
= G
= G
WGTA
– 19 –
Measurement conditions
I
I
I
I
I
WRT (A)
WGT (A)
WBT (A)
, V23 = 1.6V, V71 = 3.0V, V74 =
, V23 = 1.6V, V71 = 3.0V, V74 =
, V23 = 1.6V, V71 = 3.0V, V74 =
, V23 = 1.6V, V68 = 5.0V and V77 =
, V23 = 1.6V, V68 = 5.0V, V77 =
WRN (A)
WRM (A)
WBN (A)
WBM (A)
ON and V1 = 4.0V.
ON and V41 = 1.6V.
ON, V41 = 1.6V, SW72
ON, V41 = 1.6V, SW73
and G
WRNA
WBNA
– G
– G
– G
– G
– G
– G
– G
WBTA
WGT (A)
WRT (A)
WBT (A)
.
.
WGT (A)
WGT (A)
WGT (A)
WGT (A)
, respectively.
WRT
WRN
WBN
WBMA
WRMA
, G
and the
and the
WGT
.
.
and
ON
ON
–0.45
–1.0
Min.
2.5
2.5
—
—
—
–0.15
–1.05
Typ. Max.
–4.5
–4.5
4.5
4.5
0
–0.75
–2.5
–2.5
CXA1853AQ
1.0
—
—
—
Unit
dB
dB
dB
dB
dB
V
V