M52775 Mitsubishi, M52775 Datasheet - Page 14

• Manufacturer Part Number: M52775
• Description: VIF/ SIF/ VIDEO/ CHROMA/ DEFLECTION FOR NTSC
• Manufacturer: Mitsubishi

GTnor Video tone 1
1. Input SGB (f=3MHz) from pin 34 IN and input SGS into pin 42 IN.
2. Measure output amplitude at pins 18, 19 and 20.
GTmax Video tone 2
1. Input SGB (f=3MHz) from pin 34 IN and input SGS into pin 42 IN.
2. Measure output amplitude at pins 18, 19 and 20.
3. GTmax is defined as follows:
GTmin Video tone 3
1. Input SGB (f=3MHz) from pin 34 IN and input SGS into pin 42 IN.
2. Measure output amplitude at pins 18, 19 and 20.
3. GTmin is defined as follows:
GT2M Video tone 4
1. Input SGB (f=2MHz) from pin 34 IN and input SGS into pin 42 IN.
2. Measure output amplitude at pins 18, 19 and 20.
3. GT2M is defined as follows:
GT5M Video tone 5
1. Input SGB (f=5MHz) from pin 34 IN and input SGS into pin 42 IN.
2. Measure output amplitude at pins 18, 19 and 20.
3. GT5M is defined as follows:
GYnor Contrast 1
1. Input SGB (f=100kHz) from pin 34 IN and input SGS into pin 42
2. Measure output amplitude at pins 18, 19 and 20.
GYmin Contrast 2
1. Input SGB (f=100kHz) from pin 34 IN and input SGS into pin 42
2. Measure output amplitude at pins 18, 19 and 20.
3. GYmin is defined as follows:
Lum nor Brightness control 1, Lum max Brightness control 2,
Lum min Brightness control 3
1. No signal is input. (Only SGS is input to pin 42 IN.)
IN.
IN.
GT5M=20log
GYmin=20log
GTmax=20log
GT2M=20log
GTmin=20log
Measured value (V
Measured value (V
Measured value (V
Measured value (V
Measured value (V
GTnor (V
GTnor (V
GYnor (V
GTnor (V
GTnor (V
P-P
P-P
P-P
P-P
P-P
)
)
)
)
)
P-P
P-P
P-P
P-P
P-P
)
)
)
)
)
(dB)
(dB)
(dB)
(dB)
(dB)
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
2. Measure DC voltage of output at pins 18, 19 and 20 except that
3. Y22=(Lum max)-(Lum nor), Y23=(Lum min)-(Lum nor)
D (R) Drive R
1. Input SGA from pin 34 IN and input SGS into pin 42 IN.
2. Measure DRmin and DRmax which are output amplitude at pins
3. D (R) is defined as follows:
D (B) Drive B
1. Input SGA from pin 34 IN and input SGS into pin 42 IN.
2. Measure DBmin and DBmax which are output amplitude at pin
3. D (B) is defined as follows:
EX (R) EXT (R) I/O, EX (G) EXT (G) I/O, EX (B) EXT (B) I/O
1. Input SGD into each of pin 30, 24, 26 and 28 and input SGS
2. Measure output amplitude which is higher than the pedestal level
OFRG Offset voltage R-G, OFBG Offset voltage B-G
1. Measure DC voltage of output at pin 18, 19 and 20 except that at
2. OFRG and OFBG are defines as follows:
at blanking part.
18 at D (R) data min and D (R) data max respectively.
20 at D (B) data min and D (B) data max respectively.
into pin 42 IN.
at pins 18, 19 and 20. The amplitude at blanking part should not
be measured.
blanking part .
OFRG=
OFBG=
(pin 18 Measured voltage)-(pin 19 Measured voltage) (mV)
(pin 20 Measured voltage)-(pin 19 Measured voltage) (mV)
D (R)=20log
D (B)=20log
DRmax (V
DRmin (V
DBmax (V
DBmin (V
P-P
P-P
P-P
P-P
)
)
)
)
MITSUBISHI ICs (TV)
(dB)
(dB)
M52775FP
M
Output
waveform
GND
M
14