M52778SP View Datasheet(PDF) - MITSUBISHI ELECTRIC
Part Name
Description
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M52778SP Datasheet PDF : 37 Pages
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GT5M Video tone 5
1. Input SGB (f=5MHz) to VI IN.
2. Measure output amplitude at pins 21, 22 and 23.
3. GT5M is defined as follows:
GT5M=20log
Measured value (VP-P)
GYnor (VP-P)
(dB)
GYnor Contrast 1
1. Input SGB (f=100kHz) to VI IN.
2. Measure output amplitude at pins 21, 22 and 23.
MITSUBISHI ICs (TV)
M52778SP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC
EXR EXT (R) I/O, EXG EXT (G) I/O, EXB EXT (B) I/O
1. Input SGD to FB, ER, EG and EB.
2. Measure output amplitude which is higher than the pedestal level
at pins21, 22 and 23. The amplitude at blanking part should not
be measured.
M
GYmin Contrast 2
1. Input SGB (f=100kHz) to VI IN.
2. Measure output amplitude at pins 21, 22 and 23.
Lum nor Brightness control 1, Lum max Brightness control 2,
Lum min Brightness control 3
1. No signal is input. (Only SG50 is input to SY IN.)
2. Measure DC voltage of output at pins 21, 22 and 23 except that
at blanking part.
Output
waveform
M
GND
3. Y23=(Lum max)-(Lum nor), Y24=(Lum min)-(Lum nor)
D (R) Drive R
1. Input SGA to VI IN.
2. Measure DRmin and DRmax which are output amplitude at pins
21 at D (R) data min and D (R) data max respectively.
3. G (R) is defined as follows:
G (R)=20log
DRmax (VP-P)
DRmin (VP-P)
(dB)
D (B) Drive B
1. Input SGA to VI IN.
2. Measure DBmin and DBmax which are output amplitude at pin
23 at D (B) data min and D (B) data max respectively.
3. D (B) is defined as follows:
D (B)=20log
DBmax (VP-P)
DBmin (VP-P)
(dB)
OFRG Offset voltage R-G, OFBG Offset voltage B-G
1. Measure DC voltage of output at pin 21, 22 and 23 except that at
blanking part .
2. OFRG and OFRB are defines as follows:
OFRG=
(pin 21 Measured voltage)-(pin 22 Measured voltage) (mV)
OFBB=
(pin 23 Measured voltage)-(pin 22 Measured voltage) (mV)
R (C) Cutoff R, G (C) Cutoff G, B (C) Cutoff B
1. Measure DC voltage of output at pin 21, 22 and 23 when R (C),
G (C) and B (C) data are maximum and minimum respectively.
The DC voltage at blanking part should not be measured.
2. R (C), G (C) and B (C) are defined as follows:
R (C), G (C) and B (C)=
(Voltage at data max.)-(Voltage at data min.) (V)
DLF Y delay time 〈fine〉
1. Input SGA to VI IN.
2. Measure the time lag (absolute value) between signal YDL4 and
output signal at pins 21, 22 and 23.
Y14
YDL4 signal
Output signal
M
Measure the time lag
at the center point of rise.
Ccon1 Color control 1, Ccon2 Color control 2
1. Input SGE to -RIN (pin 45).
2. Measure output amplitude at pins 21 under each condition.
VMF Video mute
1. Input SGB to VI IN.
2. Measure output amplitude of the element of 4.43MHz when the
mute switch is on and off. (VMFon, VMFoff)
3. VMF is defined as follows:
VMF=20log TRFon (VP-P)
TRFoff (VP-P)
(dB)
16
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