LA76810A Sanyo Semiconductor Corporation, LA76810A Datasheet
LA76810A
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LA76810A Summary of contents
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... Ordering number : ENA0252 LA76810A Overview LA76810A is a VIF/SIF/Y/Deflection 1chip IC for PAL/NTSC color television sets. Functions • VIF/SIF/Y/Deflection Implemented in a 1chip. • Bus Control Specifications Maximum Ratings 25°C Parameter Symbol Maximum supply voltage V 8 max V 31 max V 43 max ...
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... Sync signal tip level VOtip Video output amplitude VO Video S/N S/N C-S beat level IC-S Differential gain DG Differential phase DP Maximum AFT output voltage VAFTH LA76810A Conditions 5V 2. 19mA 27mA www.DataSheet4U.com CW = 80dBµ, DAC = 80dBµ, DAC = 63 DAC = 0 DAC = 63 Output-3db No signal CW = 80dBµ ...
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... SVO terminal AC voltage SVOAC [Filter block] Chroma trap amount NTSC CtrapN Chroma trap amount PAL CtrapP C-BPF1A (3.93MHz) CBPF1A LA76810A Conditions CW = 80dBµ, frequency variations CW = 80dBµ, frequency variations for 1MHz for 1MHz for 1MHz for 1MHz for 1MHz for 1MHz ...
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... FSC37 Residual higher harmonic E_CAR_B level B Residual higher harmonic E_CAR_R level R E_CAR_G Residual higher harmonic level G LA76810A Conditions Reference: 4.13MHz FILTER SYS = 0010 Reference: 3.93MHz FILTER SYS = 0010 Reference: 4.43MHz FILTER SYS = 0011 Reference: 4.13MHz FILTER SYS = 0011 Reference: 3.93MHz ...
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... Horizontal blanking right @7 BLKR7 Sand castle pulse crest value H SANDH Sand castle pulse crest value SANDM1 M1 Sand castle pulse crest value L SANDL LA76810A Conditions Input: +6dB/0dB 0dB = 40IRE Input: -20dB/0dB R-Y/B-Y_GainBalance_DAC, R-Y/B-Y_Angle_DAC = Center R-Y/B-Y_GainBalance_DAC, R-Y/B-Y_Angle_DAC = Center, R-Y= no-signal R-Y/B-Y_GainBalance_DAC, R-Y/B-Y_Angle_DAC = Center, B-Y = no-signal ...
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... Vertical S-shaped correction @0 VScor0 Vertical S-shaped correction VScor31 @31 Package Dimensions unit : mm 3273 47. 1.78 (0.65) LA76810A Conditions VSIZE: 1000000 VSIZE: 1000000 VSIZE: 0000000 VSIZE: 1111111 VCOMP: 000 VDC: 100000 VDC: 100000 VDC: 000000 VDC: 111111 VLIN: 10000 VLIN: 00000 VLIN: 11111 www.DataSheet4U.com VSC: 10000 ...
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... Block Diagram and Test Circuit LA76810A www.DataSheet4U.com No.A0252-7/43 ...
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... CW SG5 SG6 4. Before measurement, adjust the DAC as follows. Parameter Test point Video SG6, 80dBµ 46 Level DAC LA76810A Test point Input signal No signal Apply a current of 27mA to pin 25 and 25 measure the voltage at pin 25. No signal Apply a current of 19mA to pin 18 and 18 measure the voltage at pin 18. ...
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... Maximum AFT VAFTH output voltage Minimum AFT VAFTL output voltage AFT detection VAFTS sensitivity APC pull-in fPU, fPL range (U), (L) LA76810A Test point Input signal SG1 Measure the DC voltage at pin 4. 4 80dBµ SG1 Measure the DC voltage at pin 4. 4 80dBµ SG1 ...
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... PAL/NT SGD Difference of voltage gain NT de-emph SNTC time constant BPF 3db band width SBW LA76810A Test point Input signal 90dBµ, Adjust the DAC (FM.LEVEL) such that the 400Hz 400Hz, component of the FM detection output at pin ±30kHz become as close to 600mVrms as possible and measure (SV1:mVrms) the output at that moment ...
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... Variable range ARANGE Frequency AF characteristics Mute AMUTE Distortion ATHD S/N ASN Crosstalk ACT LA76810A Test point Input signal 1kHz, CW Measure the 1kHz component (V1: mVrms 500mVrms the pin 1 and calculate as follows: AGMAX = 20*LOG (V1/500) [dB] 1kHz, CW Measure the 1kHz component (V2: mVrms 500mVrms ...
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... NTSC standard sync signal H SYNC 4.7µs XIRE signal (L-X) CW signal (L-CW) BLACK STRETCH 0IRE signal (L-BK) 50µs 5µs (Point A) R/G/B IN Input signal RGB Input signal 1 (0-1) RGB Input signal 2 (0-2) 20µs LA76810A (H/V SYNC:40IRE: 286mV) XIRE ( 100) 0IRE 20IRE CW signal 50IRE www.DataSheet4U.com 100IRE to each 20µs 0.35V A B 1.0VDC 30µ ...
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... NTSC DC transmission ClampG1 amount Y-DL TIME1(SVHS) TdY1 Y-DL TIME2(PAL) TdY2 Y-DL TIME3(NTSC) TdY3 Y-DL TIME4(SECAM) TdY4 LA76810A Test point Input signal L-50 Measure the output signal’s 50IRE amplitude 21 (CNTHB Vp-p) and calculate CONT127 = 20Log (CNTHB/0.357). L-50 Measure the output signal’s 50IRE amplitude 21 (CNTCB Vp-p) and calculate CONT63 = 20Log (CNTCB/0 ...
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... FSTH Fast SW threshold Red RGB output ROSDC level Green RGB output GOSDC level LA76810A Test point Input signal L-BK Measure the 0IRE DC level (BKST1 V) at point the output signal in the Black Stretch Defeat (Black Stretch OFF) mode. Measure the 0IRE DC level (BKST2 V) at point A of the output signal in the Black Stretch ON mode ...
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... Bus control bit conditions: Contrast=127 Input signal Symbol Test point Brightness control BRT63 (normal) (max) BRT127 (min) BRT0 LA76810A Test point Input signal L-50 Measure the output signal’s 50IRE amplitude 21 (CNTCB Vp-p). L-0 Measure the OSD output amplitude O-2 (OSDHB Vp-p). ...
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... RBout127 maximum output Gout15 Output attenuation RBout0 Gout0 Gamma correction Rγ Gγ Bγ LA76810A Test point Input signal L-50 Measure the 0IRE DC levels (Vbias0 the respective output signals of R output (19 output (20), and B output (21 and B 20 Measure the 0IRE DC levels (Vbias255 the respective output signals of R output (19), G output (20), and B output (21) ...
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... R-Y axis angle = tan-1(R(180)/R( 90))+90° G-Y axis angle = tan-1(G(270)/G(180))+180° B-Y axis amplitude Vb = SQRT(B(0)*B(0)+B(270)*B(270)) R-Y axis amplitude Vr = SQRT(R(180)*R(180)+R(90)*R(90)) G-Y axis amplitude Vg = SQRT(G(180)*G(180)+G(270)*G(270)) LA76810A Test point Input signal L-100 Input signals to pin 42 and measure the voltage 42 of the pedestal ...
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... X IRE signal (L-X) 40IRE C-2 Burst Burst C-3 (Note: fsc±N*fh when the frequency is specified. C-4 Burst C-5 Burst LA76810A 0° 90° 180° 270° fsc 62.5IRE fsc 346° www.DataSheet4U.com fsc CW N should be a natural number and the nearest value should be used.) B-Y only R-Y only ...
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... Bout characteristics 2 Demodulation RB_P output ratio R-Y/B-Y: PAL Demodulation GB_P output ratio G-Y/B-Y: PAL LA76810A Test point Input signal YIN:L77 Measure the Y system’s output level. No signal V1 21 C-2 Input a signal to the CIN (only sync signal to the YIN) and measure the output level to calculate as follows: CLRBY = 100 × ...
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... NTSC Killer operating KILL_N point APC pull-in range (+) PULIN+_N APC pull-in range (-) PULIN-_N Tint center TINCEN LA76810A Test point Input signal C-5 Measure Rout output amplitude Vrp and GOUT 20 output amplitude Vgbp. And calculate GR_P = Vgrp/Vrp. 19 C-1 Refer to 5. and measure the B-Y and R-Y 21 demodulation angle and calculate ...
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... CBPF2B BandPass amplitude characteristic 4.73/4.13MHz C-BPF2C CBPF2C BandPass amplitude characteristic 4.93/3.93MHz LA76810A Test point Input signal C-1 Measure each part of the output level and 21 calculate the B-Y axis angle. TINT+ = B-Y axis angle -TINCEN C-1 Measure each part of the output level and 21 calculate the B-Y axis angle. ...
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... Bus control conditions: Initial conditions unless otherwise specified. 5. The delay time from the rise of the horizontal output (pin 27 output) to the fall of the FBP IN (pin 28 input) is 9µs. 6. Pin 13 (vertical size correction circuit input terminal) is connected (5.0V). LA76810A Signal suitable for Y input Chroma signal www ...
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... VFR60 Vertical free-running period 60 (NTSC) Horizontal output pulse HPHCEN (PAL) (NTSC) Horizontal position HPHrange adjustment range LA76810A Test point Input signal Y IN: Connect a frequency counter to the output of pin 27 No signal 27 (H out) and measure the horizontal free-running frequency. YIN: Using an oscilloscope, monitor the horizontal ...
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... POR circuit operating VPOR voltage Horizontal blanking BLKL0 left variable range@0 Horizontal blanking BLKL7 left variable range@7 LA76810A Test point Input signal Y IN: With H PHASE varied, measure the delay 27 Horizontal/ time from to the rise of the pin 27 horizontal vertical sync output pulse to the fall of the Y IN horizontal sync signal signal and calculate the variation at each step ...
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... Sand castle pulse crest SANDL value L Sand castle pulse crest SANDM2 value M2 Burst gate pulse length BGPWD LA76810A Test point Input signal Y IN: Measure the time T from the left end of Hsync at 21 Horizontal/ pin the left end of blanking at pin 21 vertical sync BlueOUT with BLKR = 000 ...
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... PAL@64 NTSC@64 Vertical ramp output Vspal0 amplitude PAL@0 Vertical ramp output Vspal127 amplitude PAL@127 LA76810A Test point Input signal Y IN: Measure the time from the left end of Hsync at 28 Horizontal/ pin the left end of the pin 28 FBP IN vertical sync wave form for Hsync period ...
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... NTSC@32 Vertical ramp DC Vdcpal0 voltage PAL@0 Vertical ramp DC Vdcpal63 voltage PAL@63 LA76810A Test point Input signal Y IN: Monitor the pin 23 vertical ramp output and Horizontal/ measure the voltage at the line 24 and line 310 vertical sync with VCOMP = 000. Calculate as follows: signal ...
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... Continued from preceding page. Input signal Symbol Vertical linearity@16 Vlin16 Vertical linearity@0 Vlin0 Vertical linearity@31 Vlin31 LA76810A Test point Input signal Y IN: Monitor the pin 23 vertical ramp output and 23 Horizontal/ measure the voltage at line 24, line 167 and 310. vertical sync Assign the respective measured values to Va, Vb signal and Vc ...
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... Vertical S-shaped VScor16 correction @16 Vertical S-shaped VScor0 correction @0 Vertical S-shaped VScor31 correction @31 LA76810A Test point Input signal Y IN: Monitor the pin 23 vertical ramp output and 15 Horizontal/ measure the voltage at line 36, line 60, line 155, vertical sync line 179, line 274 and 298. Assign the ...
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... Tint.Test Tint 0 1 10011 Color.Test Color 0 1 10100 Video SW (Trap.Test 10101 AKB B/W AKB Def 0 0 10110 * FBPBLK.SW (0) 1 10111 AKB Test 0 0 LA76810A DATA BITS DA2 DA3 DA4 H.FREQ Video.Mute H.PAHSE V.POSI V.LIN V. ...
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... FM.Mute deem. 11111 VIDEO.LEVEL 1 0 Status Register Bit Allocations MSB DA0 DA1 Status1 (X.Ray) POR * * Status2 H.Lock (AKB LA76810A MSB DA2 DA3 DA4 C.Bypass C_Kill ON C_Kill OFF Brt.Abl.Def Mid.Stp.Def Emg.Abl.Def R-Y/B-Y Angle SECAM R-Y DC Level (White-Balance ) ...
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... FM.Test Normal VOL.FIL Normal FM.Mute Active de-em TC. 50µs VIF.Sys.SW 38.0MHz SIF.Sys.SW 4.5MHz FM Gain (@1000mVrms) 50kHz dev. IF.AGC AGC active LA76810A 1 HEX 2 HEX Test Disable Gain:Fast Non-Gate Left Control Mute Mute Sync killed Vsepup Vrt killed Gray OSD Black White Vrt S Corr ...
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... HEX 1 HEX 2 HEX 3 HEX 4 HEX No Trap (Wide Band mode) 5 HEX No Trap (Wide Band mode) 6 HEX No Trap (Wide Band mode) 7 HEX No Trap (Wide Band mode) 8-15HEX LA76810A 50Hz/60Hz MODE Auto 50Hz 60Hz Auto Auto 50Hz 60Hz Auto Y Filter 3.58MHz Trap 3.58MHz Trap 4 ...
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... H BLK R&L V.SC V.TEST V.COMP COUNT.DOWN.MODE R.BIAS G.BIAS B.BIAS R.DRIVE Drive.Test B Gamma Select R/G Gamma.Def G.DRIVE B.DRIVE Blank.Def Sub.Bright Bright Contrast LA76810A Initial Test Conditions (continued) 1 HEX OSD Cnt.Test 0 HEX OSD Contrast 3F HEX Blk.Str.Deff 0 HEX Coring 0 HEX Sharpness 0 HEX Tint.Test 10 HEX Tint 0 HEX Color.Test ...
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... Sharpness Control Tint Test Tint Control Color Test Color Control Video SW Trap.Test Filter System (AKB B/W) (AKB Def) LA76810A Bits General Description 1 Disable the Test SW & enable Audio/Video Mute SW 1 Select horizontal first loop gain & H-sync gating on/off 6 Align ES Sample horizontal frequency 1 ...
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... Volume Control FM.Test Volume Filter Defeat RF AGC Delay FM Mute de-em TC. VIF System SW SIF System SW FM Gain IF AGC Defeat Video Level FM Level LA76810A Bits General Description 6 Align AKB color temperature 1 Enable RGB Blanking or FBP 6 Align AKB color temperature 2 Enable AKB C Temp. DAC test mode 6 ...
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... Red Output 20 Green Output 21 Blue Output 22 Sync Sep Output 23 Vertical Output 24 Ramp ALC Filter 25 Horizontal/BUS Horizontal AFC Filter 27 Horizontal Output LA76810A PIN FUNCTION 54 SIF Input 53 SIF APC Filter 52 SIF Output 51 Ext. Audio Input 50 APC Filter 49 VCO Coil 1 48 VCO Coil 2 ...
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... B.DRIVE Blank.Def Sub.Bright Bright Contrast OSD Cnt.Test OSD Contrast Blk.Str.Deff Coring Sharpness Tint.Test Tint Color.Test Color Video.SW Trap.Test Filter.Sys (AKB B/W) (AKB Def) C.Temp.R FBPBLK.SW C.Temp.G (AKB Test) C.Temp.B LA76810A TR BIT INTIAL ...
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... C_Kill OFF Color.Sys Cont.Test Bright.Abl.Threshold Emg.Abl.Def Brt.Abl.Def Mid.Stp.Def R-Y/B-Y Gain Balance R-Y/B-Y Angle SECAM B-Y DC Level SECAM R-Y DC Level Audio.SW Volume FM.TEST VOL.FIL RF.AGC FM.Mute deem.TC VIF.Sys.SW SIF.Sys.SW FM.Gain IF.AGC VIDEO.LEVEL FM.LEVEL LA76810A TR BIT INTIAL ...
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... This catalog provides information as of November, 2006. Specifications and information herein are subject to change without notice. LA76810A Status Byte Truth Table 0 HEX Undetected ...