The M52775FP is desinged to provide a solution to NTSC color
television system. It is an I
2
C bus controlled NTSC 1 chip. It consists
of various processing blocks such as video IF, sound IF, luminance,
chrominance, mono-sound, OSD display, interface, H and V
deflection. At each block, I
parameters can be controlled by I
ELECTRICAL CHARACTERISTICS
Video & RGB I/F block (∗ input SGS at pin42 IN. VCC:P3, P4, P21, P22, P23=4.75V. P5, P15, P16=8.0V supply)
02H
TRF2TR
DF
A
Test conditions
Sub address function
05
04H
H
SH
DEFPCO
AR
AP
0/1
NT
P
40
H
7F
H
127
Input signal SW
SymbolParameter
Input SG PIN
−
Ymax
Default conditions of
video & RGB I/F
Maximum video
amplitude
−−
34 SGA
GYVideo gain34 SGA
FBY
2AGY
CTR1
TRF1
YSW
YSmax
E→T
CT
T→E
CT
Video frequency
characteristics
Double amplifier
standard output
Chroma trap
attenuation 1
Chroma trap fine
adj. attenuation 1
Y SW OUT
standard output
Y SW OUT
maximum output
EXT→TV
crosstalk
TV→EXT
crosstalk
34 SGB
34 SGA
34 SGF
34 SGF
SGB
34
V=0.71
VP-P
SGB
34
V=
1.5VP-P
SGB
36
f=5MHz
SGB
34
f=5MHz
YDL1Y delay time 134 SGA
YDL2Y delay time 234 SGA
YDL3Y delay time 334 SGA
GTnorVideo tone 134 SGB
GTmaxVideo tone 234 SGB
GTminVideo tone 334 SGB
GT2MVideo tone 434 SGB
GT5MVideo tone 534 SGB
S12S60S
45
P18P19P20P25P40P43P45P
46
SW 1 1 100H20H
PIN00032064201006432
SW
PIN M M M
SW
PIN M M M
SW
PINM
SW20H
PINM32
SW00/20H20H
PIN M M M
SW20/30H20H
PIN M M M0/1 132
SW
PINM
SW
PINM
SW0EH/0AH
PINM
SW0AH/0EH
PINM
SW08H
PIN M M M0
SW09H
PIN M M M1
SW
PIN M M M
SW
PIN M M M
SW3FH
PIN M M M63 0
SW00H
PIN M M M0 0
SW
PIN M M M
SW
PIN M M M
08H0BH13H
H
I
H
0BH
MU
DR
TE
20H
032 96
0
0
32
00/1
0C
10H
H
DB
TRF
20
60H
H
00/60H
DL
TA
06H
TV/
Y/CBlackHADJBR
EX
T
02H
1/0
0/1
0A
40
Min. Typ. Max.
2.5 3.5 4.5 VP-P
5 8 11 dB
-1 2 5 dB
1.6 2.1 2.6 V
0.51 0.71 0.91 V
1.0 1.4 1.8 V
200 280 360 nsec
150 200 250 nsec
210 300 390 nsec
1.5 2.1 2.7 V
-1.3 2.2 5.7 dB
-12 -8 -4 dB
-1.8 1.2 4.2 dB
-7 -3.5 0 dB
SER HST AFCG
Limits
Unit Note
−
−
-18 dB
− -50 -40 dB
-45 -35 dB
−
P-P
P-P
P-P
P-P
6
Page 7
ELECTRICAL CHARACTERISTICS
Video & RGB I/F block (cont.)
Input signal SW
SymbolParameter
Input SG PIN
GYnorContrast 1
GYminContrast 2
LumnorBright 1
Lummax Bright 2
LumminBright 3
D (R)Drive R34 SGA
D (B)Drive B34 SGA
EX (R)EXT (R) I/O
EX (G)EXT (G) I/O
EX (B)EXT (B) I/O
34 SGB SW
f=100kHz PIN M M M
34 SGB SW
f=100kHz PIN M M M0
−−
−−
−−
SW
PIN M M M
SW
PIN M M M
SW
PIN M M M0
SW
PIN M0/63
SW
PIN
SGD
SGD
SGD
SW
PIN M
SW
PINM
SW
PINM
30
28
30
26
30
24
S12S60S
45
P18P19P20P25P40P43P45P
M
MITSUBISHI ICs (TV)
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
46
Test conditions
02H04H
TRF2TR
DF
A
AP
Sub address function
05
H
SH
AR
P
DEFPCO
TV/
DL
EX
NT
TA
T
00
H
7F
H
127
7F
H
127
7F
H
127
06H
Y/CBlackHADJBR
0A
00
00
0C
0BH
10H
H
7F
H
127
H
D
MU
DB
I
TRF
TE
R
H
00/
3FH
00/
3F
H
0/
63
H
0
00
H
0
00
H
0
Limits
Unit Note
Min. Typ. Max.
1.1 1.6 2.1 V
− 20 100 mV
2.2 2.6 3.0 V
0.7 1.0 1.3 V
-1.3 -1.0 -0.7 V
3.5 5.5 7.5 dB
3.5 5.5 7.5 dB
3.5 4.3 5.1 V
3.5 4.3 5.1 V
3.5 4.3 5.1 V
P-P
P-P
P-P
P-P
Video & RGB I/F block (cont.)
Input signal SW
SymbolParameter
Input SG PIN
OFRG
OFBG
C (R)Cut off R
C (G)Cut off G
C (B)Cut off B
DLF
Offset voltage
R-G
Offset voltage
B-G
DL fine delay
amount
−−
−−
−−
−−
−−
34
SGA
Test conditions
S12S60S
45
P18P19P20P25P40P43P45P
02H
46
DF
A
TRF2TR
05
H
CO
NT
AP
Sub address function
Y/CBlackHA
08H0A
CO
LO
DJ
R
06H
TV/
DL
EX
TA
T
0DH
H
BR
CR CG CB
I
0EH 0FH
SW
PINM
SW
PINM M
SW
00/
FFH
PIN M0/255
SW
00/
FFH
PINM0/255
SW
00/
FFH
PINM0/255
SW02/00H
PIN M M M
1/0
Limits
Unit Note
Min. Typ. Max.
-120 0 120 mV
-120 0 120 mV
1.2 1.5 1.8 V
1.2 1.5 1.8 V
1.2 1.5 1.8 V
20 45 70 nsec
7
Page 8
ELECTRICAL CHARACTERISTICS
Video & RGB I/F block (cont.)
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
18 at D (R) data min and D (R) data max respectively.
3. D (R) is defined as follows:
D (R)=20log
DRmax (VP-P)
DRmin (VP-P)
(dB)
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
20 at D (B) data min and D (B) data max respectively.
3. D (B) is defined as follows:
D (B)=20log
DBmax (V
DBmin (VP-P)
P-P)
(dB)
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
into pin 42 IN.
2. Measure output amplitude which is higher than the pedestal level
at pins 18, 19 and 20. The amplitude at blanking part should not
be measured.
M
GYmin Contrast 2
1. Input SGB (f=100kHz) from pin 34 IN and input SGS into pin 42
IN.
2. Measure output amplitude at pins 18, 19 and 20.
3. GYmin is defined as follows:
GYmin=20log
Measured value (VP-P)
GYnor (VP-P)
(dB)
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.)
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
blanking part .
2. OFRG and OFBG are defines as follows:
OFRG=
(pin 18 Measured voltage)-(pin 19 Measured voltage) (mV)
OFBG=
(pin 20 Measured voltage)-(pin 19 Measured voltage) (mV)
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MITSUBISHI ICs (TV)
OSD1
OSD2
90%
10%
Output waveform at
pins18, 19 and 20.
M
M
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
R (C) Cutoff R, G (C) Cutoff G, B (C) Cutoff B
1. Measure DC voltage of output at pin 18, 19 and 20 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 from pin 34 IN and input SGS into pin 42 IN.
2. Measure the time lag (absolute value) between signal YDL3 and
output signal at pins 18, 19 and 20.
Y13
YDL3 signal
Measure the time lag
at the center point of rise.
Output signal
M
Ccon1 Color control 1, Ccon2 Color control 2
1. Input VS (ec=eb+100kHz) from pin 36 and input SGS into pin 42
IN.
2. Measure output amplitude at pins 18, 19 and 20 under each
condition.
VMF Video mute
1. Input SGF from pin 34 and input SGS into pin 42 IN.
2. Measure output amplitude of the element of 3.58MHz when the
mute switch is on and off. (VMFon, VMFoff)
3. VMF is defined as follows:
VMF=20log
VMFon (VP-P)
VMFoff (VP-P)
(dB)
MTXB Matrix 1, MTXG Matrix 2
1. Input VS (ec=eb+100kHz) from pin 36 and input SGS into pin 42
IN.
2. Measure output amplitude at pins 20 and 19.
(P20=MTXB, P19=MTXG)
MTXR Matrix 3
1. Input VS (ec=eb+100kHz) from pin 36 and input SGS into pin 42
IN.
2. Measure output amplitude at pin 18.
(P18=MTXR)
OSD1 OSD speed 1, OSD2 OSD speed 2
1. Input SGD into each of pin 30, 24, 26 and 28 and input SGS into
pin 42 IN.
2. Measure rise time and fall time of the signal of output at pins 18,
19 and 20. Measurement points should be higher than the
pedestal level and blanking part should not be measured.
GYmax1 Contrast 3, GYmin1 Contrast 4
1. Input SGA from pin 34 IN and input SGS into pin 42 IN.
2. Measure output amplitude at pina 18, 19 and 20 when 2.9V and
0V are extemally applied to pin 25.
ABR Bright increase voltage
1. Non-input.
2. Measure the voltage except for pin 19 blanking.
BLS1 Black expansion characteristics 1,
BLS2 Black expansion characteristics 2,
BLS3 Black expansion characteristics 3
1. Input SGC (BLS1=0.2V
P-P, BLS2=0.45VP-P, BLS1=0VP-P) from
pin 34 IN and input SGS into pin 42 IN.
2. With black expansion set to ON/OFF, specify the pin 19 output
voltages to be VBLSON1 to 3/BVLSOFF1 to 3, respectively.
3. The standard shall be expressed by BLS1 to 3=VBLSOFF1 to 3BVLSON1 to 3 (mVP-P).
Measure the output frequency at pin 10 when no signal is input .
FPH1 Horizontal pull-in range 1
FPH2 Horizontal pull-in range 2
Change the frequency of SGc and measure the frequency at the
moment when the output signal at pin 10 and the input signal at pin
42 are pulled in. The horizontal pull-in range is measured by
comparing with 15.734kHz.
FV Vertical free running frequency
Measure the output frequency at pin 14 when no signal is input.
SW Service SW operation
Measure the output DC voltage at pin 14 when the service switch is
on.
FPV Vertical pull-in range
Decrease the frequency of SGd and measure the frequency when
output waveform at pin 14 is pulled in.
Confirm that the horizontal output is high when the horizontal stop
switch is on.
AFCG AFC gain
1. Measure AFC on which is the output amplitude of pin 12 when
AFC switch is on and AFC off which is that when the switch is off .
2. AFCG is defined as follows:
AFCG=20log
AFCon (VP-P)
AFCoff (VP-P)
(dB)
WVSS Vertical sync.detection minimum width
Change the input pulse width of SGd and measure the input pulse
width at the moment when the output signal at pin 14 is pulled in.
FBPI FBP inv OUT
Measure the Hi and Lo voltages of the pin 13 output pulse.
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MITSUBISHI ICs (TV)
4.0V
45.75MHz
Frequency
Voltage
PIN 58 Output waveform
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
Note: The timing and pulse width of the horizontal blanking pulse
should be as shown in the following figure by adjusting the variable
resistor of the single shot multi vibrator.
PIN 13
Horizontal
output
8µs
Horizontal
blanking pulse
∗Coil adjustment
VCO COIL
1. Input CW (fo=45.75MHz, Vi=90dBµ) to input pin A.
2. Set the DC voltage at pin 58 (AFT OUT) to 1/2Vcc (4.0V) by
adjusting VCO coil.
Note: VCO coil should always be adjusted as above before using
this IC.
12µs
The variable resistor at pin 15 of the TTL IC, M74LS221P, is used to
fix the timing at 8µs and that at pin 7 is used to fix the pulse width at
12µs.
DELAY ADJ60 to 6332
AUDIO ATT70 to 12732
VIDEO TONE60 to 630
contrast cont70 to 12732
tint cont70 to 12764
color cont70 to 12732
bright cont70 to 12732
drive (R)60 to 6332
drive (B)60 to 6332
cut off (R)80 to 255128
cut off (G)80 to 255128
cut off (B)80 to 255128
I2C BUS CONTROL SECTION SDA, SCL CHARACTERISTICS
SymbolParameter
VILMin. input low voltage-0.5 1.5V
VIHMax. input high voltage 3.0 5.5V
fSCLSCL clock frequency 0.0 100kHz
tBUFTime the bus must be free before a new transmission can start 4.7−µs
tHD:STAHold time start condition. After this period the first clock pulse is generated 4.0−µs
tLOWThe low period of the clock 4.7−µs
tHIGHThe high period of the clock 4.0−µs
tSU:STASetup time for start condition (Only relevant for a repeated start condition) 4.7−µs
tHD:DATHold time DATA 0.0−µs
tSU:DATSet-up time DATA250−ns
trRise time of both SDA and SCL lines−1000ns
tfFall time of both SDA and SCL lines− 300ns
tSU:STOSet-up time for stop condition 4.0−µs
f0=45.75MHz standard 10-step modulation
Sync ratio 28.6% AM=87.5%video modulation
Sync chip level 90dBµ
INPUT SIGNAL PARAMETERS INCLUDING
INPUT SIGNALS
1. Input signal name is two alphanumeric characters.
First character:Standard=S, Nonstandard=V
(Modified parts should be specified.)
Second character: Meaning of signal
2. Structure of input color signal
The following figure shows the structure of color signal.
1) When S (standard) is used as the first character, the standard
color bar signal of each system is applied. H.sync should be
added for input clamp.
2) Amplitude and frequency of burst are represented as ed. In case
of standard signal, the amplitude is 285mV
P-P.
3) Amplitude and frequency of chroma are represented as ec.
In case of standard signal, the amplitude is 570mVP-P and the
frequency is 3.579545MHz.
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VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
VIDEO/INTERFACE
SG No.Signal (50Ω termination)
NTSC system APL100% standard video signal should be input as sync separation input as shown in the figure.
The vertical signal should be interlaced at 60Hz.
MITSUBISHI ICs (TV)
M52775FP
SGA
SGB
SGC
5us
2us7us
0.714VP-P
1VP-P
0.286VP-P
The frequency and amplitude of signal Lumi can be changed by signal SGA.
The typical amplitude is 0.714mV
P-P.
5us
2us7us
Sync
4µsec
Level : variable
SGD
SGS
SGF
Level : variable
P-P
typ=0.3V
H=15.734kHz, V=60Hz
5us
0V
1.0V
20µ24µ
f=3.58MHz
20µ
1VP-P
Standard
NTSC SYNC
0.714VP-P
0.286VP-P
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VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
DEFLECTION
SG No.Signal (50Ω termination)
The input signal should be NTSC system APL-variable video signal.
Vertical should be interlaced at 60Hz.