Circuit (Cathode) Operation In Selecting Sb Mode [Window Pattern]; Sb Mode Setting Data And Control Method - NEC DPro2070SB Service Manual

SUPER BRIGHT MODE
OFF
SUPER BRIGHT MODE-1
ON
SUPER BRIGHT MODE-2
ON

1.3.8.2 Circuit (cathode) operation in selecting SB Mode [Window pattern]

SUPER BRIGHT MODE
GND

1.3.8.3 SB Mode setting data and control method

(OSM FACT3)
Setting of back raster
luminance
Setting of GAIN UP
GAIN UP formula = GAIN adjustment value (hex)(*3) x {1+ (Data (hex) of SBCN1 or SBCN2)/FF (hex) }
(*3): GAIN adjustment value is the following data (in OSM FACT3).
9300K R-GN1
6500K R-GN2
5000K R-GN3
(*4): When the SUPER BRIGHT MODE-1 or MODE-2 is ON, the GAIN cannot be adjusted as shown in the
table in Sec. 1.3.6.1 "Adjustment item/operating function in selecting SB Mode". However, when the
SUPER BRIGHT MODE is OFF, the MAX GAIN value calculated with the following formula will be written in
the following EEP address so that the GAIN value cannot be increased above that of the SUPER BRIGHT
MODE-1 and MODE-2 ON status.
MAX GAIN = Maximum value (hex) for R/G/B GAIN adjustment (*5) x {1 + (SBCN1 or SBCN2 data
(hex))/FF (hex)}
Back raster luminance GAIN UP γ compensation Sharpness
Normal
Normal
UP
SUPER BRIGHT MODE-1
Amplitude: Approx. 36V
Data name Data (hex)
SBBR1 0
SBBR2 32
SBCN1 3C
SBCN2 3C
G-GN1 B-GN1
G-GN2 B-GN2
G-GN3 B-GN3
Normal
UP
UP
ccordance
Same amplitude
Amplitude: Approx. 44V
BRT UP value in SUPER BRIGHT MODE-1 ON "0"=No UP
BRT UP value in SUPER BRIGHT MODE-2 ON
Amplified value in SUPER BRIGHT MODE-1 ON
(see the following formula)
Amplified value in SUPER BRIGHT MODE-2 ON
(see the following formula)
1- 9
--- ---
Presence ---
Presence Presence
SUPER BRIGHT MODE-2
Amplitude: Approx. 44V