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ver.02 NJW1301 - 1 - signal processor for color tft for ntsc package outline features internal y/c separator circuit ntsc matching for composite internal one systems input for analog rgb for ntsc/pal internal count down circuit at h,v internal enhancer circuit internal side black control circuit internal pwm control circuit internal 2 point correction circuit internal color tft common pole driver bi-cmos technology package outline lq fp64 block diaglam NJW1301fk1 general description the NJW1301 is a color tft signal processor for ntsc.it contains y/c separator circuit, color signal modulator, count down circuit , rgb demodulator , rgb interface , side black control circuit, pwm control circuit and common pole driver, required by color tft signal processing. it is suitable for car navigation system with color tft panel. vcomcent vcxoin apc videoin trap yclamp yout vcc1 yinh picture sw contrast gaclampb extinb gaclampg exting gaclampr vd vdd regout vcoin pwmfilter pwmout gnd2 pwmcon gnd1 csyncout vcoout lpf vs syncin1 syncsw syncin2 vcxoout color cin tint pwmref killer fadj accdet vee1 vcomout vcomfb vcomin vcc3 vcomamp hd extinr vg2 vg1 subvg2r subvg2b subvg1r subvg1b bright frp sideblack rdet rout gdet gout bdet bout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 vref afc syncsep pwm osc h count down common driver acc tint vcxo hpf killer apc matrix color demod picture trap clamp reg gamma correct 32f h vco v count down gamma correct gamma correct cont rast bright int/ext sw clamp altamp gamma control
ver.02 NJW1301 - 2 - absolute maximum ratings (ta=25 c) parameters symbol ratings unit supply voltage 1 v cc 1-gnd1 8.0 v supply voltage 2 v cc 3-v ee 1 15.0 v supply voltage 3 v dd -gnd1 7.0 v supply voltage 4 v ee 1-gnd1 -7.0 v power dissipation p d 700 mw each adjustment terminal v in v cc 1 v sync out voltage v sd v ee 1+15.0 v picture input voltage v vdin 3.0 v p-p external input voltage ext in v cc 1 v frp input signal voltage frp in v cc 1 v sync input voltage sync in v cc 1 v analog rgb input signal rgb in 3.0 v pp operating temperature range topr -30 to +85 c storage temperature range tstg -40 to +125 c
ver.02 NJW1301 - 3 - recommended operating condition (ta=25 c) parameter symbol test condition min. typ. max. unit - v cc 1-gnd 4.75 5.00 5.25 v - v cc 3-v ee 1 11.00 12.00 13.00 v - v ee 1-gnd1 -5.25 -5.0 -4.75 v supply voltage range - v dd -gnd1 4.75 5.00 5.25 v y input signal voltage y in pedestal-white 0.30 0.35 0.40 v p-p c input signal voltage c in amplitude of burst signal 0.10 0.15 0.20 v p-p analog rgb input signal rgb in 0.6 0.7 0.8 v p-p sync input signal sync in 0.3 1.0 1.5 v p-p gamma 1 adjust voltage vg1 1.5 - 3.5 v gamma 2 adjust voltage vg2 1.5 - 3.8 v bright adjust voltage bright 1.8 - 3.4 v pwm control voltage pwmcont 0 - 5 v (point 1) when suspected sync input to NJW1301, necessary on 5h(1h:horizontal term ,about 63.5us) of pulth width of suspected sync. (point 2) investigation crosstalk level when design for depend to application. (point 3) do not input the intermediate step signal at external terminal to use osd signal for extrgb. the exrrgb accept only white(0.7v,white 100%) C black(0v)signal.
ver.02 NJW1301 - 4 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit operating current 1 i cc 1 v cc 1 - 45.0 60.0 ma operating current 2 i cc 3 v cc 3 - 5.8 7.7 ma operating current 3 i dd 4 v dd - 6.0 7.5 ma operating current 4 i ee 1 v ee 1 -11.8 -7.5 - ma g ct 1 - -12.0 -9.0 contrast adjust gain variable range g ct 2 sg1 applied to tp29 ,tp31 and tp33,sg10 applied to tp41,sg2 applied to tp51, define the each amplitude (blk-wht) at sw26=h, and tp27=0v,2.5v,5v as v1,v2 and v3, measure the each output of the non-inverting g ct1 =20log(v1/v2) g ct2 =20log(v3/v2) rout,gout,bout terminals. 1.0 2.5 - db image quality adjust variable minimum range(y/c) g psmin 1 - -2.0 2.0 image quality adjust variable maximum range(y/c) g psmax 1 sg3(100khz,1.8mhz) applied to tp19,sg10 applied to tp41,sg2 applied to tp51,measure amplitude on tp46 of non-inverting. define the each gain on sg3 of sin signal of frequency as g(1.8m),g(100k) when sw14=l,sw25=h,tp25=0v g psmin1 =g(1.8m)-g(100k) when sw14=l,sw25=h,tp25=5v g psmax1 =g(1.8m)-g(100k) 5.0 7.5 - db image quality adjust variable minimum range(composite) g psmin 2 - 4.0 0.0 image quality adjust variable maximum range(composite) g psmax 2 sw14=h,tp14(b)=0v, sg3(100khz,1.8mhz) applied to tp19,sg10 applied to tp41,sg2 applied to tp51,measure amplitude of non-inverting of tp46. define the each gain on sg3 of sin signal of frequency as g(1.8m),g(100k) when sw14=h,sw25=h,tp25=0v g psmin2 =g(1.8m)-g(100k) when sw14=h,sw25=h,tp25=5v g psmax2 =g(1.8m)-g(100k) 3.0 5.5 - db trap attenuation g cf sw14=h,tp14(b)=0v, sg3(100khz,3.579545mhz) applied to tp19,sg2 applied to tp51,when define the each amplitude of tp22 at sg3 (3.579545mhz),sg3(100khz) as b1,b2. g cf =20*log(b1/b2) - -35 -20 db
ver.02 NJW1301 - 5 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit g a 1 - 0.0 2.0 acc characteristic (ntsc) g a 2 sg10 applied to tp41, sg6(3.579545mhz,typical swing150mvpp) applied to tp14,sg2 applied to tp51.define the each amplitude on tp46 at 0db,+6db,-25db toward sg6 as vo1,vo2 and vo3. g a1 =20log(vo2/vo1) g a2 =20log(vo3/vo1) -12.5 -7.5 - db g c 1 -70 -50 -40 color control gain variable range g c 2 sg10 applied to tp41, sg6(3.579545mhz,typical swing150mvpp) applied to tp14,sg2 applied to tp51.define the each amplitude on tp46 at tp15=0v,3.1v,5.0v as vo1,vo2 and vo3. g c1 =20log(vo1/vo2) g c2 =20log(vo3/vo2) 0.7 2.0 - db f a 1 - -2900 -700 apc capture range f a 2 sg10 applied to tp41, sg6(3.579545mhz,150mvpp) applied to tp14, variable the burst frequency until the voltage on tp11 drops below 2v. work out the difference between the frequency at that time and 3.579545mhz. f a1 =when approach burst fr equency from low frequency. f a2 = when approach burst frequency from high frequency +700 +1500 - hz composite y/c input switching voltage v th cy sg3(350mvpp,3.579545mhz) applied to tp19,sg2 applied to tp51,sg10 applied to tp41, sw14=h. increase tp14(b) , change from composite to y/c. then measure the voltage on tp14(b). 1.3 1.6 1.9 v y/c composite input switching volyage v th yc sg3(350mvpp,3.579545mhz) applied to tp19,sg2 applied to tp51,sg10 applied to tp41, sw14=h. decrease tp14(b), change from y/c to composite. then measure the voltage on tp14(b). 0.7 1.0 1.3 v
ver.02 NJW1301 - 6 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit t 1 30 45 - tint variable range t 2 sg6(3.579545mhz,150mvpp) applied to tp14, sg2 applied to tp51,sg10 applied to tp41. define the phase causing the maximum amplitude at tp13=1.6v on tp46 as 1. define the each phase causing the maximum amplitude at tp13=2.8v,4.0v on tp46 as 2 and 3. t1 = 1- 2 t2 = 3- 2 - -45 -30 deg ntsc /pal switching voltage v th np decrease the voltage on tp13 until the signal on tp64 frequency at 50hz. measure voltage ontp13. 0.4 0.7 1.0 v color killer operating input level v kin tp41=5v ,sg6(3.58mhz,150mvp p) applied to tp14,sg2 applied tp tp51,decause the input amplitude until the killer is turned on , and measure the input attenuation. - -42 -37 db output level voltage difference among rgb ? vbrgb -150 0 150 mv int-ext output black level voltage difference ? vbie sw26=h,tp26=h.sg10 applied to tp41,sg1(0.7vpp) applied to tp29,31,33, sg2 applied to sg2. then define the non-inverting side of tp44, tp46, tp48 as vrb, vgb, and vbb, the invert side of them as vrbi, vgbi, and vbbi. ? vbrgb=vrb-vgb,vbb-vgb =vrbl-vgbl,vbbl-vgbl sg4 applied to sw26=l,tp19, define the non-inverting side of tp44,tp46,tp48 as vrb(y), vgb(y), and vbb(y), the invert side of vrbi(y), vgbi(y), and vbbi(y). vble=vrb-vrbl(y),vgb-vgbl, =vbb-vbb(y),vrbl-vrbl(y), =vgbl-vgbl(y), vbbl-vbbl(y) -150 0 150 mv
ver.02 NJW1301 - 7 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit gain difference between invert and non-invert ? ginv -0.6 0 0.6 gain difference among rgb ? vrgb sw26=h,tp26=h.sg10 applied to tp29,31,33,41,sg1(0.7vpp) applied to tp41,sg2 applied to tp51,measure the amplitude(blk-wht) of tp44, tp46,tp48. define the non-inverting side of vrg, vgg, vbg, the invert side of vrgl, vggl, vbgl. ? ginv=20log(vrgi/vrg) =20log(vggi/vgg) = 20log(vbgi/vbg) ? vrgb=20log(vrg/vgg) = 20log(vgg/vbg) = 20log(vbg/vrg) -0.6 0 0.6 db frp input threshold voltage v th frp tp51=sg2,sw26=h,tp26=h, sg1 applied to tp31, increase tp41until the signal on tp46 invert. 1.2 1.5 1.8 v interface frequency characteristic f int sw26=h,tp26=h,sg10 applied to tp41,sg5(100khz) applied to tp31,sg2 applied to tp51. for making the amplitude of sine wave part of the non-invert signal on tp46, increase the frequency until attenuate by 3db from the amplitude at the 100khz. 4.5 5.5 - mhz v th exh 3.3 - - extrgb input threshold voltage v th exl switching voltage of tp26 v th exh=on level voltage v th exl=off level voltage - - 1.6 v g 1 16.0 20.0 24.0 gamma characteristic g 2 sw26=h,tp26=h,sg2 applied to tp51,sg10 applied to tp41,sg7(0.35vpp) applied to tp29,31,33. define at tp35=1.8v,tp34=3.0v , measure the slope on tp44, tp46, and tp48 . 5.0 9.0 13.0 db g 2 g 1 input voltage out p ut volta g e
ver.02 NJW1301 - 8 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit ? f hl 1 - 700 - afc lock range ? f hl 2 sw26=h,tp26=h, sg2 applied to tp51. define frequency of miss lock sync at valuable frequency of sg2 when afc is lock. ? f hl 1 =miss lock to high frequency ? f hl 2 =miss lock to low frequency - -1000 - hz ? f hp 1 - 700 - afc capture range ? f hp 2 sw26=h,tp26=h,sg2 applied to tp51. define frequency of miss lock sync at valuable frequency of sg2 when afc is miss lock. ? f hp 1 =capture from high frequency ? f hp 2 =capture from low frequency - -1000 - hz afc free-run frequency f oh tp51 is non-input. measure the output frequency on tp1. 15.5 15.7 15.9 khz horizontal output pulth width p w hd tp51 is non-input. measure the output pulth width on tp1. 3.5 3.9 4.3 us horizontal output delay t p dh sw26=h,tp26=h, sg2 applied totp51.measure the delay time between before external filter and tp1 output. 0.95 1.10 1.25 us horizontal output saturation level v o lh sg2 applied to tp51. measure the output of low level on tp1. - 0.1 0.3 v vertical output pulth width p w vd sg2 applied to tp51. measure the output pulth width on tp64. 3.5 4.0 4.5 h vartical output delay t p vd sw26=h,tp26=h, sg2 applied totp51.measure the delay time between before external filter and tp64 output. 0.45 0.65 0.85 h v th sh 3.3 - - sync sw input threshold voltage v th sl switching voltage of tp50 v th sh=on level voltage v th sl=offlevel voltage - - 1.6 v c.sync low output voltage v l cs sw26=h,tp26=h,sg2 applied to tp51.measure the low level of output on tp56. - 0.2 0.5 v c.sync output delay t p cs sw26=h,tp26=h,sg2 applied to tp51. measure the delay time between before external filter and tp56 output. 0.90 1.05 1.22 us
ver.02 NJW1301 - 9 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit ctrgb1 tp51=sg2,sw26=h,tp26=h, tp41=h, sg5(1mhz,700mvpp) applied to tp29.tp31,tp33=gnd. measure the amplitude of 1mhz component on tp44, tp46 and tp48. calculate the amplitude ratio of tp46 and tp48 to tp44. - -50 -40 ctrgb2 tp51=sg2,sw26=h,tp26=h, tp41=h, sg5(1mhz,700mvpp) applied to tp31. tp29,tp33=gnd. measure the amplitude of 1mhz component on tp44,tp46 and tp48. calculate the amplitude ratio of tp44 and tp48 to tp46. - -50 -40 crosstalk among rgb ctrgb3 tp51=sg2,sw26=h,tp26=h, tp41=h, sg5(1mhz,700mvpp) applied to tp33.tp29,tp31=gnd. measure the amplitude of 1mhz component on tp44,tp46 and tp48. calculate the amplitude ratio of tp44 and tp46 to tp48. - -50 -40 db cterint tp51=sg2,sw26=h,tp41=h, tp19=gnd. sg5(1mhz,700mvpp) applied totp33. measure the amplitude of 1mhz component on tp44. calculate the amplitude ratio of tp26=5v,0v. - -50 -35 ctegint tp51=sg2,sw26=h,tp41=h, tp19=gnd. sg5(1mhz,700mvpp) applied to tp31. measure the amplitude of 1mhz component on tp46. calculate the amplitude ratio of tp26=5v,0v. - -50 -35 crosstalk 1 between sw (ext int) ctebint tp51=sg2,sw26=h,tp41=h, tp19=gnd. sg5(1mhz,700mvpp) applied to tp29. measure the amplitude of 1mhz component on tp48.calculate the amplitude ratio of tp26=5v,0v. - -50 -35 db
ver.02 NJW1301 - 1 0 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit cte1e2r tp51=sg2,sw26=h,tp41=h, tp33=gnd. sg3(1mhz,350mvpp) applied to tp19. measure the amplitude of 1mhz component on tp44.calculate the amplitude ratio of tp26=5v,0v. - -50 -35 cte1e2g tp51=sg2,sw26=h,tp41=h, tp31=gnd. sg3(1mhz,350mvpp) applied to tp19. measure the amplitude of 1mhz component on tp46.calculate the amplitude ratio of tp26=5v,0v. - -50 -35 crosstalk 2 between sw (ext int) cte1e2b tp51=sg2,sw26=h,tp41=h, tp29=gnd. sg3(1mhz,350mvpp) applied tp tp19. measure the amplitude of 1mhz component on tp48.calculate the amplitude ratio of tp26=5v,0v. - -50 -35 db pwm frequency f pwm tp58=2.5v.measure the frequency on tp60. - 90 - hz pwm characterics d pwm measure the duty on tp60 when tp58=2.5v. - 50 - % pwm off voltage v pwm 1 define the voltage on tp58 at tp60 is low. - 4.5 4.7 v pwm on voltage v pwm 2 define the voltage on tp58 at tp60 is high. 0.3 0.5 - v
ver.02 NJW1301 - 11 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit side-black level v sb tp41=sg10,tp51=sg2. when tp42=5v ,define the non-invertiing black level of tp44, tp46,tp48 as vrb,vgb,vbb. when tp42=5v ,define the invertiing black level of tp44,tp46,tp48 as vrbi,vgbi,vbbi. when tp42=0v ,define the non-invertiing black level of tp44, tp46,tp48 asvrb(b),vgb(b), vbb(b). when tp42=0v ,define the invertiing black level of tp44,tp46,tp48 as vrbi(b),vgbi(b),vbbi(b). vdblack=vrb-vrb(b), vgb-vgb(b), vbb-vbb(b) =vrbi(b)-vrbi, vgbi(b)-vgbi, vbbi(b)-vbbi - 500 - mv vcom output slew rate srvcom sg9 applied totp4. measure the tern on and tern off time at 20% to 80% on tp6 output wave. then convert to slew rate. 4.0 9.0 - v/us vcom center voltage vcvcom sg9 applied to tp4. measure the center voltage of tp6 output voltage. 0.9 1.2 1.5 v vcom amplitude vavcom sg9 applied to tp4. measure the output ampukitude on tp6. 6.0 6.5 7.0 v p-p delay between y-c ? tdyc - 0 - ns rgb slew rate sr rgb tp29,tp31,tp33=sg8,tp41=sg10, tp51=sg2. measure the tern on and tern off time at 20% to 80% of output wave on tp44,tp46,tp48. then convert to slew rate. 9 22 40 v/us
ver.02 NJW1301 - 12 - electrical characterics (ta=25 c,v cc 1=5v,v cc 3=7v,v dd =5v,v ee 1=-5v,tp2=tp5=tp27=tp40=2.5v,tp13=2.9v,tp15=3.1v, tp34=3.0v,tp35=1v,tp26=tp42=5v,tp50=5v,tp58=4.7v,sw14=sw25=sw26=sw50=l) parameters symbol test conditions min. typ. max unit demodulation relativity ampulitude (r-y/b-y) r-y b-y - 0.65 - demodulation relativity ampulitude (g-y/b-y) g-y b-y sg10 applied to tp41, sg6(3.58mhz,150mvpp) applied to tp41,sg2 applied to tp51,tp14 applied to tp51. tp34=3.0v,tp35=1.5v,vary the chroma phase on sg6, define non-inverting maximum output amplitude of tp44,tp46,tp48 as vr,vg,vb. (r-y)/(b-y)=vr/vb (g-y)/(b-y)=vg/vb - 0.45 - - demodulation relativity phase (r-y/b-y) rb - 105 - demodulation relativity phase (g-y/b-y) gb sg10 applied to tp41, sg6(3.58mhz,150mvpp) applied to tp14,sg2 applied to tp51, tp34=3.0v,tp35=1.5v,vary the chroma phase on sg6,define tne phase at maximum output amplitude of tp44,tp46,tp48 as r, g, b. rb= r- b gb= g- b - 240 - deg demodulation output residual carrier vcr tp41=5v, sg6(3.58mhz,150mvpp) applied to tp14,sg2 applied to tp51,adjust the chroma phase on sg6 for maximum the amplitude of tp48.measure the ratio of 7.159059mhz component to the 15.734khz component. - 40 - db horizontal afc keep limit input v inpm sw26=h,tp26=h,tp51=sg2. define the amplitude of miss lock sync at decrease amplituide of sg2 when afc is miss lock. - 15 28 mv
NJW1301 application circuit (vcc1=5v,vcc3=7v,vdd=5v,vee1=-5v,gnd1=0v,gnd2=0v) 1 : 2sc2120y, 2sc1959y 2 : 2sa950y, 2sa562tm 3 : 3.579545mhz x?tal dsx151ga(daishinku) 4 : ntl4532-s3r6b(tdk) 5 : 32fh ceramic csbla503keczf2(murata) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 1m 0.1u 0.01u 0.1u ext rgb input b r g vcc3 0.47u *2 *1 *3 3p 1000p 360 vcc1 gnd1 s y nc out p ut vd hd out p ut in p ut commom 0.047 vee1 300 4700 p *5 2k 12k *4 0.1u 22p 1 . 2k 68u 0.01u 0.1u 0.1u 0.1u 0.1u 0.1u 1u 1u 1u 100 100 100 rgb out p ut bout rout gout 1u + 2.2u 4.7k 0.01u + 5k csyncout gnd2 0.1u s y ncin2 s y ncin p ut s y ncin1 910k 1u + 1.8k 5.6k + 0.1u 8.2k 1u + videoin sideblack frp vdd pwmout contrast gamma control gamma correct gamma correct gamma correct bright vref altamp afc 32f h vco syncsep v count down h count down common driver acc tint vcxo hpf killer int/ext sw apc matrix colo demod picture trap clamp clamp 0.1uf cin reg 0.1u pwm osc 1u + 0.1u 5k
NJW1301 - 14 , sg1 no sync 10step signal sg2 composite y signal with sync sg3 sine video signal with sync sg4 10 step video signal sg5 no signal sine video signal 4.7us 1h 143mv 0.35vpp 143mvpp 100mvpp 143mvpp 1h 200mvpp 143mvpp 1h or 10step signal 1h 0.35vpp 1h
NJW1301 - 15 , sg6 c signal sg7 no sync ramp video signal sg8 video signal of turn on,turn off under 50ns sg9 turn on, turn off under 50ns sg10 frp signal of inverting every 1h 1h 350mvpp 350mvpp 1h 1h 5vpp 0v 5v 1h 5vpp 0v 5v chroma amplitude=150mvpp burst amplitude=150mvpp
NJW1301 - 14 - equivalent circuit pin no. symbol function inside eqivalent circuit 1 hd horizontal synchronous-signal output the output signal synchronize with video signal and c-mos output 2 vcom amp adjust the vcom signal level adjustable range: vcom=6.5 2.0v 3 vcc3 supply to vcom voltage connect to +7v supply 4 vcomin vcom 5v p-p signal input 200 40k 20k vcc3 vee1 vee1 200 vcc3 vee1 vee1 vdd gnd1 gnd1 200
NJW1301 - 15 - equivalent circuit pin no. symbol function inside eqivalent circuit 5 vcom cent adjust the center of vcom voltage adjustable range: vcomcent=1.2 1.5v 6 vcomfb vcom feedback signal input the feedback signal (vcomout) through the discrete transistor buffer 7 vcom out vcom signal output drive the common by connect discrete transistor 8 vee1 connect C5v supply at lowest voltage 36k vcc3 vee1 vee1 100 vcc3 vee1 vee1 50k 200 75k vcc3 vee1 vee1
NJW1301 - 16 - equivalent circuit pin no. symbol function inside eqivalent circuit 9 accdet connect to the acc filter 10 fadj adjust the frequency with internal filter 11 killer connect to the color killer filter 12 pwmref reference voltage for pwm comparator, with decupling capacitor internal use only, (do not use for regulator purpose) 21k 1.2k vcc1 vee1 gnd1 6k vcc1 vee1 6k 6k gnd1 500 60k 500 vcc1 vee1 10 k 200 40 k vcc1 vee1 gnd2
NJW1301 - 17 - equivalent circuit pin no. symbol function inside eqivalent circuit 13 tint adjust hue signal adjustable hue range: 45 to control dc supply tint=gnd: pal mode with rgb input only =high: ntsc mode 14 cin chroma signal input, 150mv p-p cin=gnd: composite input mode 15 color adjust color adjust the tint color by input voltage 16 vcxo out vcxo output vcc1 vee1 gnd1 4k 200 5k vcc1 vee1 gnd1 200 vcc1 vee1 gnd1 38k 200 40k vcc1 vee1 gnd1 50k 50k
NJW1301 - 18 - equivalent circuit pin no. symbol function inside eqivalent circuit 17 vcxoin vcxo input 18 apc connect to the apc detector filter 19 videoin composite video signal/y-signal input cin=gnd: composite input mode 20 trap connect to the trap filter for y/c separate 500 vcc1 vee1 gnd1 10k 18k vcc1 vee1 gnd1 vcc1 vee1 gnd1 250 vcc1 vee1 gnd1 300 10k
NJW1301 - 19 - equivalent circuit pin no. symbol function inside eqivalent circuit 21 yclamp connect to the clamp capacitor for y-signal 22 yout y-signal output connect to the secound differential filter 23 vcc1 supply voltage, +5v 24 yinh y-signal input of high frequency division 8k 21k 30k vcc1 vee1 gnd1 vcc1 vee1 gnd1 vcc1 vee1 gnd1 10k
NJW1301 - 20 - equivalent circuit pin no. symbol function inside eqivalent circuit 25 picture adjust the frequency of y-signal for revise outline of y-signal emphasize outline, when voltage increase 26 sw select the internal/external signal sw=low: internal signal mode =high: external signal mode 27 cont rast adujst the gain of rgb signal adjust the rgb signal range by contrast input voltage 28 ga clampb connect to the clamp capacitor for clanp pedestal level of b signal leakless capacitor for use 200 4k 25k vcc1 vee1 gnd1 200 20k 25k 27k vcc1 vee1 gnd1 50k 20k 200 40k vcc1 vee1 gnd1 vcc1 vee1 gnd1
NJW1301 - 21 - equivalent circuit pin no. symbol function inside eqivalent circuit 29 extinb external b(rgb) signal input, 700mv p-p and source color signal 30 ga clampg connect to the clamp capacitor for clanp pedestal level of g signal leakless capacitor for use 31 exting external g(rgb) signal input, 700mv p-p and source color signal 32 ga clampr connect to the clamp capacitor for clanp pedestal level of r signal leakless capacitor for use vcc1 vee1 gnd1 vcc1 vee1 gnd1 vcc1 vee1 gnd1 vcc1 vee1 gnd1
NJW1301 - 22 - equivalent circuit pin no. symbol function inside eqivalent circuit 33 extinr external r(rgb) signal input, 700mv p-p and source color signal 34 vg2 adjust the secound point of high side in rgb characteristic pre-set and controlled rgb together 35 vg1 adjust the first point of low side in rgb characteristics pre-set and controlled rgb together 36 sub vg2r adjust the secound point of high side in r signal characteristic pre-set and not controlled rgb together, adjust the r signal only vcc1 vee1 gnd1 30k 10k 200 44k 40k vcc1 vee1 gnd1 50k 35k 200 44k 40k vcc1 vee1 gnd1 10k 40k 10k 200 40k vcc1 vee1 gnd1
NJW1301 - 23 - equivalent circuit pin no. symbol function inside eqivalent circuit 37 sub vg2b adjust the secound point of high side in b signal characteristic pre-set and not controlled rgb together, adjust the b signal only 38 sub vg1r adjust the first point of low side in r signal characteristic pre-set and not controlled rgb together, adjust the r signal only 39 sub vg1b adjust the first point of low side in b signal characteristic pre-set and not controlled rgb together, adjust the b signal only 40 bright adjust the bright of rgb signal, controlled black level 10k 40k 10k 200 40k vcc1 vee1 gnd1 15k 200 75k vcc1 vee1 gnd1 10k 40k 10k 200 40k vcc1 vee1 gnd1 10k 40k 10k 200 40k vcc1 vee1 gnd1
NJW1301 - 24 - equivalent circuit pin no. symbol function inside eqivalent circuit 41 frp inverte pulth input for rgb output signal, 5v p-p 42 side black control signal input with both black side of monitor, when aspect ratio change 4:3 and 16:9 sideblack=low: black level, control rgb together 43 rdet connect to the capacitor for r-signal center modulator leakless capacitor for use 44 rout r-signal output 200 35k 15k 50k 10k 10k vcc1 vee1 gnd1 gnd1 200 5k vee1 vcc1 vcc1 vee1 gnd1 200 69k 31k 30k 70k vcc1 vee1 gnd1
NJW1301 - 25 - equivalent circuit pin no. symbol function inside eqivalent circuit 45 gdet connect to the capacitor for g-signal center modulator leakless capacitor for use 46 gout g-signal output 47 bdet connect to the capacitor for b-signal center modulator leakless capacitor for use 48 bout b-signal output vcc1 vee1 gnd1 200 5k vee1 vcc1 gnd1 vcc1 vee1 gnd1 200 5k vee1 vcc1 gnd1
NJW1301 - 26 - equivalent circuit pin no. symbol function inside eqivalent circuit 49 syncin2 synchronous signal input, synchronize with rgbout input level is 2v p-p maximum, and can input include y-signal and composite video signals 50 syncsw select to the syncin1/syncin2 syncsw=low: output is syncin1 =high: output is syncin2 51 syncin1 synchronous signal input, synchronize with rgbout input level is 2v p-p maximum, and can input include y-signal and composite video signals. 52 vs connect to the capacitor with integrate vartical-syncronous-signal 200 4k 25k vcc1 vee1 gnd1 vcc1 vee1 gnd1 50 15k vdd vee1 gnd1 200 vdd vee1 gnd1 200
NJW1301 - 27 - equivalent circuit pin no. symbol function inside eqivalent circuit 53 lpf connect to the afc filter 54 vcoout 32f h vco output 55 vcoin 32f h vco input 56 csync out composite syncronous signal output, non-inverting and open collector vdd gnd1 8.2k 8.2k vee1 vdd vee1 gnd1 6k 100 100 4k 4k vee1 vdd gnd1 vcc1 gnd1 20k 3k vee1 3k
NJW1301 - 28 - equivalent circuit pin no. symbol function inside eqivalent circuit 57 gnd1 connect to gnd. 58 pwm cont adjust the duty of pwm signal for backlight, 0-100% duty 59 gnd2 gnd for pwm oscillator circuit, noise sensitive 60 pwmout pwm output for backloght, open collector output 15k 200 75k vcc1 vee1 gnd2 vcc1 gnd2 20k 3k vee1 3k
NJW1301 - 29 - equivalent circuit pin no. symbol function inside eqivalent circuit 61 pwm filter connect to the oscillation filter with pwm circuit for backlight 62 regout regurator output, connect to decupling capacitor internal use only 63 vdd supply voltage for syncronous, +5v 64 vd vertical syncronous signal output, c-mos output vdd gnd1 gnd1 200 vcc1 24k 30k vee1 gnd1 vcc1 vee1 gnd2
NJW1301 - 30 - pin function at no use no symbol function no symbol function 1 hd open 33 extinr open 2 vcomamp open 34 vg2 input fixed dc voltage 3 vcc3 open: when do not use vcom 35 vg1 input fixed dc voltage 4 vcomin open 36 subvg2r open 5 vcomcent open 37 subvg2b open 6 vcomfb open 38 subvg1r open 7 vcomout open 39 subvg1b open 8 vee1 gnd: when do not use vcom 40 bright input fixed dc voltage 9 accdet open 41 frp input inverting pulse of rgb output 10 fadj connect with 12k ? 42 sideblack open 11 killer open 43 rdet connect to capacitor for demodulate r signal 12 pwmref open 44 rout open 13 tint ntsc mode: 1v or higher voltage pal mode: gnd 45 gdet connect to capacitor for demodulate g signal 14 cin gnd: when composite signal input open: other 46 gout open 15 color open 47 bdet connect to capacitor for demodulate g signal 16 vcxoout open 48 bout open 17 vcxoin open 49 syncin2 synchronous signal input: 49 or 51pin. 18 apc open 50 syncsw open: input sync1 only 19 videoin connect with 0.01uf to gnd 51 syncin1 synchronous signal input: 49 or 51pin. 20 trap open 52 vs connect to capacitor 21 yclamp open 53 lpf connect to filter 22 yout open 54 vcoout connect to ceramic oscillation parts 23 vcc1 supply voltage (+5v) 55 vcoin connect to ceramic oscillation parts 24 yinh connect with 0.01uf to gnd 56 csyncout open 25 picture open 57 gnd1 gnd 26 sw open: composite mode only 58 pwmcont open 27 contrast input fixed dc voltage 59 gnd2 gnd 28 gaclampb connect to clamp capacitor 60 pwmout open 29 extinb open 61 pwmfilter open 30 gaclampg connect to clamp capacitor 62 regout connect to capacitor 31 exting open 63 vdd open 32 gaclampr connect to clamp capacitor 64 vd open
NJW1301 - 31 - none-use pin connection 1) do not use vcom driver the 2pin and 3-7pin are open. the 8pin connect to gnd. 2) do not use composite mode demodulator the 9pin, 11pin, 15-18pin are open. the 13pin is as follows: 13pin mode 1v or higher ntsc gnd pal the 19pin, 24pin connect to 0.01uf with gnd. the 20-22pin and 25pin are open. 3) do not use external analog rgb input the 26pin, 29pin, 31pin and 33pin are open. 4) do not use the other sync in terminal the sync signal input 49pin or 51pin, either. 5) do not use hd output and vd output. the 1pin and ,64pin are open. 6) do not use c-sync output the 56pin is open. 7) do not use the adjust terminal of interface and circuit the 36-39pin are open. 8) do not use side black circuit. the 42pin is open. 9) do not use pwm circuit the 12pin, 58pin, 60pin and 61pin are open.
NJW1301 - 3 2 - function description 1. synchronous mode 1) horizontal synchronous there are two synchronous input terminals, first is pin-51 (syncin1) and other is pin-49 (syncin2). there are no difference, and selected by pin-50 (syncsw). the composite-synchronous/synchronous and y signal input to pin-51/49 either. the input (pin-51/49) signal is separate by horizontal and vertical synchronous signal. the afc loop consists of horizontal synchronous signal and 1/32 signal divided 32fh vco output signal without any adjustment. the pin-56 (csyncout) is composite-synchronous signal output selected by pin-50, and open collector type. 2) vertical synchronous the countdown circuit reset the data to use vertical synchronous signal and 32f h vco output. this vd pulse is stable even if the weak-signal. 2. color signal play mode 1) acc circuit the chroma signal input to pin-14 (cin), and detect the burst-signal through the hpf circuit, and controlled stable burst-signal feedback from demodulate output. when the pin-14 is gnd level, the mode is composite input, and pin-19 (videoin) composite-video signal input to acc circuit. 2) apc circuit, and vcxo the burst signal level of chroma is constant by acc circuit. the pll circuit consists of vcxo and locked burst signal. the pin-13 (tint) input dc voltage adjust the vcxo phase, and adjust the demodulate axis. when the pin-13 is gnd, the mode is pal, and only accepts analog rgb input. 3) color killer the chroma signal is output to demodulator when pll locked, and the color killer is C42db. 4) color circuit this circuit adjusts the color tint. the pin-15 (color) adjusts the chroma signal range from acc circuit. this signal demodulator without burst signal by burst gate pulse (bgp). 5) demod this demod circuits demodulate color differential signal after the acc circuit. the rgb signal consists of color differential and y signal by matrix circuit, and input to int./ext. signal switches.
NJW1301 - 33 - 3. y-signal mode 1) trap the composite video signal input to pin-19 (videoin) without the chroma by trap circuit. the tpap frequency is 3.58mhz, and not through when y/c input mode. 2) picture circuit the y/composite-signal input to pin-19 (videoin) without the synchronous signal. the pin-25 (picture) adjusts the frequency characteristic around 2mhz and emphasizes the outline. the pin-25 level emphasizes outline depend on the dc voltage. the y-signal output pin-22 (yout), and input to pin-24 (yinh) through the external second differential circuit. 4. int./ext. signal switch mode the analog rgb signal (0.7v p-p typ.) input to pin-29, pin-31, and pin-33, and these signal clamps pedestal. the ext-signal select y/c-signal or int-signal by pin-26 (sw). 5. rgb signal mode 1) contrast the pin-27 (contrast) adjusts the all of rgb signal, which is black-to-white range. 2) amplifier this circuit is non-liner amplifier to adjust the rgb signal equal to the luminous characteristics. there is two-point adjustment for accurate correction. the pin-38 (vg1) adjusts low side, and the pin-39 (vg2) adjusts high side. ] 3) sub circuit this circuit adjusts characteristics of b/r signal, and sub adjusts white-balance for the monitor. the pin-38 (subvg1r) and pin-36 (subvg2r) adjust low side with r-signal and high side with characteristics. the pin-39 (subvg1b) and pin-37 (subvg2b) adjust low side with b-signal and high side for characteristics. these terminal controls r-signal and b-signal separately. 4) bright the pin-27 (contrast) clamps the pedestal after the brightness adjustment (black to black). vg1 adjust input signal vg2 adjust
NJW1301 - 3 4 - 5) side black the side-black circuit output black level, when the mode is black mask for wide picture. the rgb signal is black level when pin-42 (sideblack) input signal is low period only. 6) output amplifier the pin-41 (frp) input to the timing pulse with inverting rgb output, and output the inverting rgb signal per every 1h. the rgb outputs are: frp-high: non-inverting output frp-low: inverting output the center voltage is preset to half of vcc. 6. common driver the lcd common invert rgb output, and the pin-4 (vcomin) input to the common driver signal (5v p-p ). the pin-2 (vcomamp) adjusts the range, the pin-5 (vcomcent) adjusts the center voltage. the pin-7 (vcomout) connect external discreet buffer, and feedback the buffer output for pin-6 (vcomfb). 7. pwm signal for backlight the pin-60 (pwmout) output the pwm signal for lcd backlight, open collector type, and connect pull-up resistor. the pin-58 (pwmout) adjusts the pwm duty. yin frp rgb output vcc1/2
NJW1301 memo [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.

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