M52727SP Datasheet, PDF (33/61 Pages) Mitsubishi Electric Semiconductor – PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR

MITSUBISHI ICs (TV)
M52727SP
PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
FBYRGB Video Frequency Characteristics RGB Difference
1. Input SGB (5MHz, 0.4VP-P) into pin 36 .
2. Measure the amplitude (P-P) except for the blanking block
of the output at pins 21 , 22 and 23 .
3. The maximum test value and the minimum test value are
assumed to be MRGB and SRGB, respectively.
4.
SRGB (VP-P)
FBYRGB=20 log
(dB)
MRGB (VP-P)
2AGY Double Amplifier Standard Output
1. Input SGA into pin 36 .
2. Test the output amplitude (P-P) of pin 38 .
3.
Test value
2AGY=20 log
(dB)
VIN (1VP-P)
CTR1 Chroma Trap Attenuation 1 (pin 21 output)
1. Input SGF (f = 3.58 MHz) into pin ³⁶, measure the output
amplitude at pin 21 wit TRAP DATA 0, and specify the
value as VY60OFF.
2. Set TRAP DATA to 1, switch f TRAP1/f TRAP2 to 0/1,
and then measure the respective output amplitude values
at pin ²¹ .
fTRAP1
fTRAP2
0
0
Vf00
0
1
Vf01
1
0
Vf10
1
1
Vf11
3. TRAP00,01,10,11=
20 log ^{Vf00,Vf01,Vf10,Vf11(mVP-P)}
VY6OFF (mVP-P)
(dB)
4. Specify TRAP01 as the attenuation for fixing.
5. Of the values from TRAP00 to TRAP11, the maximum
attenuation value shall be specified as the attenuation for
arrangement.
CTR2 Chroma Trap Attenuation 2 (pin 21 output)
1. Input SGF (f = 4.43 MHz) into pin 36 , measure the output
amplitude at pin 21 with TRAP DATA 0, and specify the
value as VY7OFF.
2. Set TRAP DATA to 1, switch f TRAP1 and f TRAP2 to
0/1, and then measure the respective output amplitude
values at pin ²¹ .
fTRAP1
fTRAP2
0
0
Vf00
0
1
Vf01
1
0
Vf10
1
1
Vf11
3. TRAP400,401,410,411=
20 log ^{Vf00,Vf01,Vf10,Vf11(mVP-P)}
VY7OFF (mVP-P)
(dB)
4. Specify TRAP401 as the attenuation for fixing.
5. Of the values from TRAP400 to TRAP411, the maximum
attenuation value shall be specified as the attenuation for
arrangement.
DTR1 D. TRAP Attenuation 1 (pin 21 output)
1. Set D.TRAP DATA to 1, and take measurement as in the
case of CTR1.
DTR2 D. TRAP Attenuation 2 (pin 21 output)
1. Set D.TRAP DATA to 1, and take measurement as in the
case of CTR2.
YDL1 Y delay time 1
1. Input SGA into pin 36 .
2. Measure the delay time of output from pin ²¹ against
input signal.
SGA
Output signal
M
Measure the delay time at the center of the rising portion.
YDL2~4 Y delay time 2 to 4
1. Input SGA into pin 36 .
2. Measure the delay time between the signal output from
pin 21 and Y10 YDL1.
YDL5 Y delay time 5
1. Input SGA into pin 36 .
2. Measure the absolute value of difference in time between
the output signal at pin 21 and Y13YDL4.
GTnor Video Tone 1
1. Input SGB (f=100kHz, 0.4VP-P, 3MHz) into pin 36 .
Test the output amplitude of each pin 21 and make
VY100K, VY3M.
2.
VY3M
GTnor = 20 log
(dB)
VY100K
GTmax Video Tone 2
1. Input SGB (f= 3MHz, 0.4VP-P) into pin 36 .
2. Test the output amplitude of pin 21 .
3.
GTmax = 20 log ^{Test value (VP-P)} (dB)
VY100K
GTmin Video Tone 3
1. Input SGB (f= 3MHz, 0.4VP-P) into pin 36 .
2. Test the output amplitude of pin 21 .
3.
Test value (VP-P)
GTmin = 20 log
(dB)
VY100K
GT1M Video Tone 4
1. Input SGB (f= 1MHz, 0.4VP-P) into pin 36 .
2. Test the output amplitude of pin 21 .
3.
GT1M = 20 log
Test value (VP-P)
(dB)
VY100K