參數(shù)資料
型號(hào)： M52727SP
廠商： Mitsubishi Electric Corporation
英文描述： PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
中文描述： PAL / NTSC制式系統(tǒng)單芯片彩色電視信號(hào)處理器
文件頁數(shù)： 30/61頁
文件大?。?/td> 430K
代理商： M52727SP
PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
M52727SP
MITSUBISHI ICs (TV)
1. Input SS4P into pin
2. Test the output amplitude of pin
Cn1,Cn2.
3. At the same time, test the output amplitude of pin
make it Vcn1.
, SG.A into pin
.
,
and make
and
Cn1 Chroma Normal Output 1 (PAL)
Cn2 Chroma Normal Output 2 (PAL)
ACC1 ACC Characteristics 1
1. Input VS4P(eb=570mV: Input level+6dB) into pin
, SG.A into pin
.
2. Test the output amplitude of pin
3.
Test value(V
P-P
)
.
ACC1 = 20 log
Cn1 (V
P-P
)
(dB)
ACC2 ACC Characteristics 2
1. Input VS4P(Input level -20dB) into pin
.
2. Test the output amplitude of pin
3.
Test value(V
P-P
)
, SG.A into pin
.
ACC2 = 20 log
34
36
41
41
1. Test DC offset of pin
2. TV OFATT=ATTmin - ATTmax
at ATT max min.
TV OFATT ATT max min Offset TV
46
1. Input SG1(f specific) into pin
2. Measure the frequency whose amplitude takes -3dB of
VA8 at pin
.
46
.
fTV TV f Specific
48
1. Input SG1(f variable) into pin
2. Measure the frequency whose amplitude takes -3dB of
VA9 at pin
.
46
.
fEXT EXT f Specific
50
1. Test DC offset of pin
2. EXT OFATT=ATTmin - ATTmax
at ATT max min.
EXT OFATT ATT max min Offset EXT
46
41
43
34
36
34
36
OV Overload Characteristics
1. Input VS4P (ec=800mV
P-P
: Croma +3dB) into pin
SG.A into pin
.
2. Test the output amplitude of pin
3.
Test value(V
P-P
)
,
.
OL = 20 log
1. Input VS4P (level variable) into pin
input SG.A into pin
2. Lower the input level while monitoring the output
amplitude at pin
, and then measure the input level
when no output amplitude is generated.
with level 0 dB and
.
VikP Killer Operation Input Level (PAL)
41
41
34
36
1. Input VS4P(eb=0V) into pin
2. Test the output amplitude of pin
Note.)Take measurements in the auto color mode. KILLER
malfunction may occur in the forced color mode.
, SG.A into pin
.
41
.
KilP Killer Color Residual (PAL)
1. Input VS4P (f=eb=ec=variable) into pin
.
2. Change the input signal frequency and measure the
frequency range when the output signal at pin
into existence (is placed in the pull-in status). The basic
value shall be 4.433619 MHz.
, SG.a into pin
comes
APC1 APC Pull-in Range 1
1. Input VS4P (ec=Single Chroma=eb+50kHz) into pin
SG.a into pin
.
2. Test the output amplitude of pin
3. Test the output amplitude of pin
4.
V43 (V
P-P
)
V41 (V
P-P
)
,
and make it V41.
and make it V43.
R/BP = 20 log
(dB)
R//BP Demodulated Ratio R-Y/B-Y
1. Input SS4P into pin
2. Measure each of 4.43MHz element and 8.86MHz
element of demodulation output at pin
, SG.a into pin
.
.
CLP Demodulated Output Carrier Leak
1. Input VS4P(ec=0V) into pin
2. Measure the 1H level difference at pins
, SG.a into pin
.
and
.
DDH Demodulated Output 1H Level Difference
41
43
41
43
41
34
36
34
36
34
36
1. Input VS4P (ec=Single Chroma, phase variable) into pin
, SG.a into pin
.
2. Measure the output at pin
and specify 0 deg for the phase where the output is zero.
3. Measure the output at pin
measure the phase where the output becomes zero.
, make the ec phase variable
43
, advance the ec phase, and
R-Y P Demodulated Phase Angle P-Y
41
34
36
34
36
34
36
41
M
36
34
44
Cn1 (V
P-P
)
(dB)
Cn1 (V
P-P
)
(dB)
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