NTSC TV SIGNAL PROCESSOR
M61203CFP
MITSUBISHI ICs (TV)
MITSUBISHI
ELECTRIC
DOSD2 : Digital OSD speed characteristic 2
1. Input SG.F (Vosd=1.0V) to pins 20, 27, 28, 30.
2. Measure rise time and fall time of the signal of output at
pins 14, 15 and 16. Measurement points should be higher
than the pedestal level and blanking part should not be
measured.
DOSD1 : Digital OSD speed characteristic 1
OSD1
OSD2
10%
90%
Output waveform at
pins 14, 15 and 16.
M
M
Ccon1 : Color control characteristic 1
Ccon2 : Color control characteristic 2
Ccon3 : Color control characteristic 3
1. Input SG.C to pin 34.
2. Measure output amplitude at pins 14, 15 and 16 when IIC
data 08H=40h, and define as Ccon0
2. Measure output amplitude at pins 14, 15 and 16 under
each condition.
3. Ccon1, Ccon2 and Ccon3 are defined as follows:
Ccon1, Ccon2 and Ccon3
(dB)
Ccon0 (V
p-p
)
Measured value (V
p-p
)
= 20 log
1. Input SG.G (rainbow color bar) to pin 34.
2. Measure output amplitude V
R
, V
G
and V
B
at pins 14, 15
and 16 respectively.
3. MTXRB and MTXGB are defined as follows:
V
R
(V
p-p
)
MTXRB : Matrix ratio R/B
MTXGB : Matrix ratio G/B
MTXRB =
V
B
(V
p-p
)
V
G
(V
p-p
)
MTXGB =
V
B
(V
p-p
)
M
C(R)1 : R cutoff characteristic 1
C(G)1 : G cutoff characteristic 1
C(B)1 : B cutoff characteristic 1
C(R)2 : R cutoff characteristic 2
C(G)2 : G cutoff characteristic 2
C(B)2 : B cutoff characteristic 2
1. Input SG.D (Vy=0V) to pin 34.
2. Measure DC voltage of output at pins 14, 15 and 16 except
that at blanking part.
GND
Output waveform
M
OFEXR : Offset voltage between R and EXT(R)
OFEXG : Offset voltage between G and EXT(G)
OFEXB : Offset voltage between B and EXT(B)
1. Input SG.D (Vy=0V) to pin 34.
2. Measure DC voltage of output at pins 14, 15 and 16 except
that at blanking part.
3. The voltage when RGB output is defined as V
R
, V
G
and V
B
,
and the voltage when OSD output is defined as V
EXR
, V
EXG
and V
EXB
.
4.OFEXR, OFEXG and OFEXB are defined as follows:
OFEXR = V
R
- V
EXR
(V)
OFEXG = V
G
- V
EXG
(V)
OFEXB = V
B
- V
EXB
(V)
AOSD2 : Analog OSD speed characteristic 2
1. Input SG.F (Vosd=0.7V) to pins 20, 27, 28, 30.
2. Measure rise time and fall time of the signal of output at
pins 14, 15 and 16. Measurement points should be higher
than the pedestal level and blanking part should not be
measured.
AOSD1 : Analog OSD speed characteristic 1
OSD1
OSD2
10%
90%
Output waveform at
pins 14, 15 and 16.
M
M
1. Input SG.A to pin 34.
2. Measure the amplitude (peak to peak) except measure
from blanking part of output at pins 14, 15 and 16.
BB(R) : Blue back function (R)
BB(G) : Blue back function (G)
BB(B) : Blue back function (B)
M
1. Input SG.A to pin 34.
2. Measure the amplitude (peak to peak) except measure
from blanking part of output at pins 14, 15 and 16.
WB : White raster function
M
36