M52335SP. MITSUBISHI ICs (TV) NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR

Transcription

1 DSCRIPTION The is a semiconductor integrated circuit thatintegrates NTSC system color TV signal processing functions into a single chip. It contains video IF, sound IF, picture, color, on-screen character display and deflection signal processing functions. Combining the IC with a simple output stage using a tuner and transistors provides rational NTSC system color TV set design. FATURS Large-scale single-chip integration provides set rationalization, high reliability and less power dissipation. PLL-employed full sync detector circuit is used as a video detector circuit to improve characteristics such as DG, DP, 920kHz beat and cross color. A quadrature detector circuit is used as a sound IF FM detector to simplify external circuits and improve linearity. Coilless AFT. Horizontal oscillator is obtained by counting down from x32 horizontal frequency oscillator using a ceramic oscillator, requiring no adjustment of horizontal free run frequency. Vertical oscillator is obtained by counting down double horizontal frequency oscillator generated by horizontal count-down, requiring no vertical sync adjustment. Using a 2-wind system provides high noise resistance capability. Double AFC is used as a horizontal circuit to reduce horizontal jitter in a weak electric field and screen distortion caused by luminance change. Also, the sync detector circuit allows use as a detector signal as for sound muting or automatic tuning. Built-in black expansion circuit Built-in Y-delay line circuit. Built-in on-screen character display circuit. DC voltage control is applied to picture quality, contrast, luminance, color saturation, tint and sound volume. APPLICATION NTSC system color TV set PIN CONFIGURATION (TOP VIW) XT AUDIO IN 1 SOUND DT COIL 2 SOUND DT OUT 3 AF OUT 4 IF AGC FILTR 5 RF AGC DLAY ADJ. 6 GND-1 (VIF SIF) 7 8 VIF IN 9 VCC-1 (VIF SIF) 10 APC FILTR 11 VCC-2 (DF) 12 AFC FILTR 13 AFC FBP IN 14 32fH OSC. 15 X-RAY PROTCT 16 COINCIDNC OUT 17 V. OUT 18 VCC-2 (VC) 19 H. OUT 20 COLOR CONT. 21 -Y OUT R-Y OUT 23 G-Y OUT 24 B-Y OUT 25 OSD B 26 Outline 52P4B 52 RF AGC OUT 51 VIDO OUT 50 AFT OUT 49 AFT DFAT 48 SIF IN 47 VIDO VCO COIL TV IN 44 SYNC IN 43 Y SW OUT 42 XT. VIDO IN 41 Y IN 40 VIDO TON CONT. 39 PDSTAL CLAMP 38 CHROMA IN/BRIGHT CONT. 37 GND-2 (VCJ) 36 CONTRAST CONT. 35 KILLR FILTR 34 BLACK HOLD 33 ACC FILTR 32 CHROMA OSC 31 APC FILTR 30 FAST BLK IN 29 TINT. CONT 28 OSD R 27 OSD G RCOMMNDD OPRATING CONDITION Supply voltage...5v, 9V Operating supply voltage to 5.5V, 8.5 to 9.5V

2 BLOCK DIAGRAM 52 VIDO OUT 51 AFT DFAT RF AGC OUT AFT OUT SIF IN VIDO VCO COIL TV IN SYNC IN XT. VIDO IN Y SW OUT Y IN 42 VIDO TON CONT. 41 PDSTAL CLAMP CHROMA IN/ BRIGHT CONT. CONTRAST CONT. GND-2 (VCD) KILLR FILTR BLACK HOLD ACC FILTR CHROMA OSC 32 APC FILTR 31 FAST BLK IN OSD R TINT. CONT. OSD G SYNC SP BLACK STRCH VIDO TON CHPOMA AMP Q AMP LOCK DT AFT VIDO DT VCO APC Y DL Y AMP CONT RAST BRIGHT BLK SP CHPOMA AMP ACC/KILLR DT APC DT NTSC TINT VCO BCP ±45 AF AMP ATT LIM FM DT IF ACC RF ACC VIF AMP VIF AMP V SYNC SP V/SIF VCC +5V VCC D. +9V AFC AFC2 32fH OSC HCD COINCIDN- C DT VCD VC. VCC +9V DMO OSD 1 2 XT SOUND AUDIO IN DT OUT SOUND AF OUT DT COIL IF AGC GND-1 FILTR (VIF SIF) RF AGC DLAY ADJ. VIF IN VCC-1 (VIF SIF) 11 APC FILTR 12 VCC-2 (DF) AFC FILTR AFC FBP IN 32fH OSC. X-RAY V. OUT H. OUT PROTCT COINCIDN- VCC-2(VC) C OUT 21 COLOR CONT. -Y. OUT R-Y OUT G-Y OUT B-Y OUT OSD B

3 ABSOLUT MAXIMUM RATINGS Symbol Parameter Ratings Unit VCC Supply voltage 5.0, 9.0 V Pd Power dissipation 1.35 W Topr Operating temperature -20 to 65 C C Tstg Storage temperatare -40 to 150 C LCTRICAL CHARACTRISTICS (Ta=25 C, unless otherwise noted) Symbol Parameter Test point Input signal 5 Test conditions VCC VCC S S S S S S Min. Typ. Max ICC10 Circuit current A10 V V ON ON 1 ON ma V51 Video output DC voltage 51 V V ON ON ON ON 2 ON V Video detector output A Vo51 51 ON ON ON 2 ON VP-P signal voltage SG. 1 V V V51L Sync signal tip voltage A SG. 2 V V ON ON ON 2 ON V Input sensitivity A Vin min. 51A ON ON ON 2 ON dbµ SG. 3 V V Vin max Maximum allowable input 51A A ON ON ON 2 ON dbµ SG. 4 V V Video frequency A BW 51 ON ON ON 2 ON MHz characteristics SG. 10 V V IM Inter-modulation 51 A Variable V V ON ON ON 2 ON db SG. 11 S/N Video S/N 51A ON ON ON 2 ON db AFT output maximum A V50H voltage 50 SG. 6 V V ON ON ON 1 ON V AFT output minimum A V50L voltage 50 SG. 7 V V ON ON ON 1 ON V AFT sensitivity A µaft SG. 5 V V ON ON ON 1 ON mv/khz V50D1 AFT defeat voltage ON ON ON 1 ON V V V V50D2 AFT defeat voltage2 A ON ON ON 1 ON V SG. 14 V V A SG. 2 V V S 10A Limits Unit

4 LCTRICAL CHARACTRISTICS (cont.) Test conditions Limits Test Input Symbol Parameter point signal 2 VCC VCC S S S S S S S S S S S S Unit Min. Typ. Max. A A 5 5A 10 A A V50D3 AFT defeat voltage3 A ON ON ON 2 ON V SG. 1 V V A V50M AFT mute input level A SG ON ON ON 1 ON dbµ 50 variable V V V52H RF AGC maximum A ON voltage SG. 2 V V V ON ON 2 ON V V52L RF AGC minimum A ON voltage SG. 2 V V V ON ON 2 ON V V3 AF direct output DC voltage 3 V V ON ON ON ON 2 ON V V0AF AF direct output signal C voltage SG. 17 V V ON ON ON ON 2 ON mvrms LIM Limiting sensitivity C SG. 19 V V ON ON ON ON 2 ON dbµ AMR AMR 3 C SG. 20 V V ON ON ON ON 2 ON db V04 AF driver output C SG. 17 V V ON ON ON ON 2 ON mvrms V40max AF driver maximum C output SG. 17 V V V ON ON ON ON 2 ON mvrms ATT Maximum attenuation 4 C SG. 17 V V V ON ON ON ON 2 ON db GAF AF driver gain db S/N AF Sound S/N 4 C SG. 21 V V V ON ON ON ON 2 ON db S TH Sound switching C threshold voltage 4 ON SG. 17 V V V V ON ON ON ON 2 ON mvrms THD AF AF driver maximum A output distortion SC. 17 V V V ON ON ON ON 2 ON % V48 Pin 48 voltage 48 M V V ON ON ON ON 2 ON V V0XT Output signal voltage at 4 B ON external input SG. 23 V V V V ON ON ON 2 ON mvrms

5 LCTRICAL CHARACTRISTICS (cont.) Test conditions Limits Test Input Symbol Parameter S point VCC VCC VCC signal 36 S S S S S S S S S S S S S S S S S D Min. Typ. Max. Unit A A A A V2 Pin voltage ISS ON ON ON ON 2 ON V f variable V V Sync separation input ISS 9.0 ISS ON ON ON 2 ON ma sensitivity current 20 V H. VCC ICC12 inflow A ON ON ON ON ma Current V V Horizontal free run 9.0 fh 20 ON 2 ON ON khz frequency V V12 min. Horizontal oscillator starting voltage V ON 2 ON ON V fphl Horizontal pull-in range V D ON 2 ON ON Hz SG. B fphh Horizontal pull-in f variable 9.0 range 2 20 V ON 2 ON ON Hz V20H Horizontal output 20 D 9.0 maximum voltage SG. B V ON 2 ON ON V0-P V20L Horizontal output 20 D 9.0 minimum voltage SG. B V ON 2 ON ON V0-P TH Horizontal output 20 D 9.0 pulse width SG. B V ON 2 ON ON µsec VRPO Overvoltage detector operating voltage 20 V 2 ON ON V fv60 Vertical free run 18 D 9.0 frequency 60 SG. V ON 2 ON ON Hz fpv60 Vertical pull-in D SG. B frequency 60 f variable V ON 2 ON ON Hz V18H Vertical output 18 D 9.0 maximum voltage SG. A V ON 2 ON ON V0-P V18L Vertical output 18 D 9.0 minimum voltage SG. A V ON 2 ON ON V0-P TV60 Vertical output pulse 18 D 9.0 width SG. A V ON 2 ON ON µsec V17H Coincidence output 17 D 9.0 maximum voltage SG. B V ON 2 ON ON V V17L Coincidence output D SG. B minimum voltage f=17khz V ON 2 ON ON V ICC19 Circuit current A V V V 2 ON ma

6 LCTRICAL CHARATRISTIC (cont. ) Symbol Ymax. GY GYmix. GYmax. VBRT norm VBRT L VBRT H GP GT norm GT min. GT max. fby V40 VBLK V VBLK TV HBLK H YDL 1 YDL 2 Maximum output Standard gain Contrast control characteristic 1 Contrast control characteristic 2 Brightness control characteristic 1 Brightness control characteristic 2 Brightness control characteristic 3 Peaking value Video tone control characteristic 1 Video tone control characteristic 2 Video tone control characteristic 3 Frequency characteristic Pin 40 Parameter voltage Vertical blanking voltage Vertical blanking pulse width Horizontal blanking theshold voltage Y delay value 1 Y delay valye 2 Test point Input signal F SG. F VP-P F SG. G db F SG. G 2-35 db F SG. G db D SG. A V VP-P D SG. A V VP-P D SG. A V VP-P F SG. G V V V V SG. J db F SG. J db F SG. J db F SG. J db F SG. K V V V V MHz V M V V V V V0-P msec SG. P 0.2VP-P F SG. T F SG. T Test conditions VCC VCC VCC S S S S S S S Limits Min. Typ. Max. 2 ON V0-P 5.1 2A V V V V nsec nsec Unit

7 LCTRICAL CHARACTRISTICS (cont. ) Symbol Parameter Test point Input signal 2 A Test conditions VCC VCC VCC S S S S S S Limits Min. Typ. Max. Unit BS1 AVTH AVTV AVXT Cmax. ACC-1 ACC-2 Black stretch threshold 1 AV SW switching threshold voltage AV SW TV output signal voltage AV SW XT output signal voltage Chroma maximum output ACC characteristic 1 ACC characteristic 2 F SG. U V V V V IR variable A H SG. G V V V V V ON ON ON V H SG. F ON ON ON VP-P V V V V -6dB G 43 SG. F ON ON ON VP-P -6dB SG. L ON ON ON ON VP-P V SG. L ON ON ON ON db -2 SG. L ON ON ON ON db +6dB Vik Killer operation level G SG. L variable ON ON ON ON db Vok Cnorm. Csmin. Csmax. Cumin. Cumax. Killer color residual Chroma standard output Color control characteristic 1 Color control characteristic 2 Color tracking characteristic 1 Color tracking characteristic 2 SG. Q ON ON ON ON mvp-p SG. L ON ON ON ON VP-P SG. L ON ON ON V ON db SG. L ON ON ON V ON db SG. L ON ON ON ON db SG. L ON ON ON ON db

8 LCTRICAL CHARACTRISTICS (cont. ) Symbol Parameter Test point Input signal Test conditions VCC VCC VCC S S S S S S S Limits Min. Typ. Max. Unit fpcl APC pull-in range 1 G F SG. M ON ON ON ON khz fpch APC pull-in range 2 G SG. M ON ON ON ON khz fpc Total APC pull-in range khz V23 Modulated output DC voltage 1 23A ON ON ON ON 2 ON V V24 Modulated output DC voltage 2 24A ON ON ON ON 2 ON V V25 Modulated output DC voltage ON ON ON ON 2 ON V V23-24 Modulated output DC offset voltage V V24-25 Modulated output DC offset voltage V V25-23 CL B-Y CL R-Y CL G-Y V21 Modulated output DC offset voltage 3 Modulated output carrier leak 1 Modulated output carrier leak 2 Modulated output carrier leak 3 Pin 21 voltage V SG. L V ON ON ON ON VP-P 23 SG. L ON ON ON ON V VP-P 24 SG. L ON ON ON ON V VP-P 21 SG. L M ON ON ON ON V SS Y Servise switch operation 1 F ON ON ON ON mvp-p SG. G SS C Servise switch operation 2 SG. L ON ON ON ON mvp-p

9 LCTRICAL CHARACTRISTICS (cont. ) Symbol Parameter Test point Input signal Test signal VCC VCC VCC S S S S S S S S S Limits Min. Typ. Max. Unit SS V Service switch operation ON ON ON ON 2 ON V0-P R-Y B-Y G-Y B-Y -N -N R-Y-N G-Y-N T min. T max. NTSC demodulated ratio 1 NTSC demodulated ratio 2 NTSC demodulated phase angle 1 NTSC demodulated phase angle 2 TINT control characteristics 1 TINT control characteristics 2 23A 24A 23A 24A 23A 23A SG. L SG. L SG. S SG. S SG. M SG. M V V V V V V ON ON ON ON 2 ON ON ON ON ON 2 ON ON ON ON ON 2 ON 104 deg ON ON ON ON 2 ON 241 deg ON ON ON ON 2 ON deg ON ON ON ON 2 ON deg OSR On-screen threshold voltage 1 23A ON 2 ON V V OSG On-screen threshold voltage 2 24A ON 2 ON V V OSB On-screen threshold voltage ON 2 ON V V

10 LCTRICAL CHARACTRISTICS TST MTHODS V51 Measure the voltage at output 51 in the no input state. V50H, V50L, µaft V50H, V50L and µaft are shown below. Pin 50 V50H f VO51 1. nter SG 1 at 9µ. 2. Measure the amplitude at output 51. Vin min. 1. Lower the SG 3 level. Represent Vin as an input level at which it is 3dB lower than the Vo51 measured value. Vin max. 1. nter SG 4 at 9µ. 2. Define the output level 51A as VA. 3. Raise the SG 4 level. Represent Vin as an input level at which the output level 51A is 3dB lower than VA. Vin max. = 20 log measured value VA BW 1. nter SG 10. Adjust f2 so that a 1MHz beat component can appear at output Raise the f2 frequency. Measure a frequency which is -3dB lower than the 1MHz component. BW = (frequency of -3dB) MHz (MHz) IM 1. nter SG 11. Apply voltage 5 so that output 51 is as shown in the figure. 2. Calculate level difference between 920kHz and 3.58MHz at output 51. IM = 20 log 920kHz component 3.58MHz component (db) (db) 5.5V 3.5V Standard µaft = V50L 57.75MHz 58.75MHz 59.25MHz V50D1, V50D2, V50D3 Use no signal, fo-2.5mhz, fo+1mhz and defeat SW to confirm that output 50 goes to 4.4V. V50M 1. nter SG 1. Lower the input level from 8µ. 2. Represent V50M as an input level at which voltage of output 50 is center (4.4V). V52H 1. nter SG 11. Apply 2.0V to Measure voltage 52. V52L 1. nter SG 10. Apply 4.0V to Measure voltage 52. ( ) x 10 3 fkhz (mv/khz) LIM Decrease the SG 19 level. At test point 3, measure an input level when a 400Hz component goes down 3dB lower than parameter S2. AF direct signal voltage VOAF. f 1.75V 51 OUT AMR At test point 3, measure a 400Hz component and define it as Vam. Standard value VOAF (m Vrms) AMR = 20 log (db) Vam (mvrms) S/N 1. nter SG 2. Measure a rms value of output 51 signal. 2. Standard S/N = 20 log Vo51 measured value (VP-P) x 103 x 0.7 measured value (m Vrms) (db) ATT 1. Measure a 400Hz component at output Standard value ATT = 20 log Vo4 max. measured value (db)

11 GAF ATT = 20 log Vo4 max. (db) measured value TPRO Raise the voltage applied to 16 gradually. Represent TPRO as the voltage at which output waveform at pin 20 is as shown below. S/N AF 1. Measure noise within the range of 20Hz to 100kHz at output S/N AF = 20 log Vo4 max. measured value (db) Normal GND At VPRO STH nter SG 17. Measure output (2A=1.1V). 4 when AV SW is set to XT Make sure that the voltage applied to 16 is opened and retained. Iss Increase the current of constant current source Iss. Measure a current value of Iss when the horizontal frequency at output 20 is pulled in from free run. V12 min. Increase voltage 12 from about 3V. Measure voltage 12 applied when horizontal oscillator waveforms begin to appear at 20 (about 15kHz). fphl, fphh 1. Lower the frequency of input signal SG B to make the input waveform asynchronous to output waveform at pin Raise the input frequency. Measure the frequency at the moment when the input waveform begin to synchronize with output waveform 20. Define the frequency as lower pull-in frequency fphl. 3. Measure upper pull-in frequency fphh in the same manner. 4. Represent the difference from reference value of kHz. V20H, V20L, TH V20H, V20L and TH are shown below. Y max. nter SG F. Measure the amplitude of output. GY 1. nter SG G. Measure the amplitude of output. measured value mvp-p 2. GY = 20 log (db) 200mVP-P GY min., GY max. 1. nter SG G. Measure the amplitude of output. Define the amplitude as VA or VB. VA (mvp-p) 2. GY min. = 20 log (db) GY measured value (mvp-p) VB (mvp-p) GY max. = 20 log GY measured value (mvp-p) VBRT norm, VBRT L, VBRT H nter SG A. Measure the level given below. (db) 2Vo-p V20H VBRT norm, VBRT L, VBRT H TH V20L Output waveform at pin 20 GND GND Gp 1. Define as VA the output signal voltage at the entry of SG G, as VB the voltage at the entry of SG J. VA 2. GP = 20 log (db). VB

12 GT norm., GT min., GT max. 1. Change the applied voltage 40 to 4.5V, 6.5V and 2.5V. Define output signal respectively. measured values as VA, VB and VC, VB VC 2. GT min. = 20 log (db), GT max. = 20 log (db) VA VA AVTH 1. nter SG G into H input. 2. Apply voltage of 2.0V to 2A. Measure the amplitude of output waveform at pin Apply voltage of 1.1V to 2A. If the output at pin 43 becomes DC, everything will be O.K. GT norm. (db) is represented by a change of VB (db) at parameter Y9 GP measurement. fb [Y] Measure the SG K frequency which is 3dB lower than the VA value at parameter Y9 GP measurement. VBLK V, VBLK TV VBLK V and VBLK TV are shown below. VBLK V A 50IR B TBLK TV 50IR GND VBLK H Raise the applied voltage A gradually. Represent VBLK H as a voltage level at which output signal disappears. YDL 1, YDL 2 nter SG T into F. Measure the delay time of output waveform at pin to the entry. AVTV, AVXT nter SG F (-6dB) into inputs H and G. Measure the amplitudes of output waveform at pin 43 when the voltage applied to 2A becomes OPN and goes to 1.1V. ACC-1, ACC-2 1. Define output signal voltages as VA, VB and VC, respectively, when changing the SG L input level to 0, -20 and +6dB. VB 2. ACC-1 = 20 log VA (db) VC ACC-2 = 20 log VA (db) Vik Lower the SG L input level. Represent Vik as an input level when output signal disappears. Vok nter SG Q. Measure output signal voltage. Cnorm. nter SG L. Measure output signal voltage applied to 36 is 5.1V. when the voltage 50IR F Input Waveform 50IR OutputWaveform at oin F Input Waveform CS min., CS max. 1. Change the voltage applied to 21 to 0V and 9.0V. Define output signal voltages as VA and VB, respectively. VA 2. CS min. = 20 log (db) C norm. measured value A B VB CS max. = 20 log (db) C norm. measured value YDL Output Waveform at pin Represent by A B (nsec) Black stretch threshold 1. Set SG U at 200kHz, V1=0.35V and V2=0.1V. nter them from F. Define the range from the pedestal to the white peak as 100 IR. 2. Lower V2 from about 75 IR gradually. Measure an operating point which causes black expansion. Cu min., Cu max. 1. Change the voltage applied to 36 to 2.5V and 9.0V. Define output signal voltages as VA and VB, respectively. VA 2. Cu min. = 20 log (db) C norm. measured value VB Cu max. = 20 log (db) C norm. measured value

13 fpc L, fpc H 1. nter SG M. Lower burst and chroma frequencies (fsb=fsc) properly to set them free from pull-in. 2. Raise the frequencies gradually. Measure the input pull-in frequency. 3. Measure the upper pull-in frequency in the same manner. 4. Represent a standard value by a difference from reference value of MHz. fpc fpc = fpc L +fpc H (khz) 1. nter SG L. Measure output signal voltages 23A, 24A and. 2. R-Y Output signal voltage 23A B-Y - N = Output signal voltage G-Y Output signal voltage 24A - N = B-Y Output signal voltage R-Y-N, G-Y-N Define the output phase of B-Y output () as a reference. Measure the phase differences of R-Y output (23A) and G-Y output (24A). CLB-Y, CLR-Y, CLG-Y 1. nter SG L of. 2. Measure a carrier leak at output pins 23, 24 and 25 when applying voltages of 4.5V and 5.1V to 21 and 36. Measurement notes Note 1: For horizontal blanking pulse timing and width, adjust the variable resistor of a one-shot multi-vibrator as shown below. CLR-Y Horizontal output at pin 20 8µs Output Waveform at pin 23 CLG-Y Horizontal Blanking Pulse 12µs Output Waveform at pin 24 CLB-Y Decide 8µs using the pin 15 variable resistor of TTL IC M74LS1P. Also, decide 12µs using the pin 7 variable resistor. Output Waveform at pin 25 SSY nter SG G into input F. Turn on S36. Measure the amplitude of output signal at scanning period. SSC nter SG G into input. Turn on S36. Measure the amplitude of output signal. Note 2: Coil adjustment VCO coil 1. Set conditions of measurement to measurement parameter "V50D2". 2. nter CW with Fo=58.75MHz and Vi=9µ from input pin A. Set S49 to Adjust the VCO coil so that the DC of AFT OUT (pin 50) becomes 1/2Vcc (4.4V). Output Waveform at pin 50 SSV Measure the maximum value of output signal S36. R-Y - N, G-Y - N B-Y B-Y 18 when turning on 58.75MHz 4.4V

14 SIF coil Set conditions of measurement to measurement parameter "V04". Adjust the SIF coil so that the output waveform is maximized and the distortion is minimized. Output waveform at pin 4 4.0V Note 3: Video measurement note At video measurement, always set the conditions given below. 1. nter signal SG A into input D. 2. Set switches S2B, S5, S10, S12, S13, S16, S20, S and S44 to ON. 3. Open other switches unless otherwise noted. Note 4: Chroma measurement note At chroma measurement, always set the conditions glven below. 1. nter signal SG A into input D. 2. Set switches S2B, S5, S10, S12, S13, S14, S16, S20, and S44 to ON. Set S34 to Open other switches unless otherwise noted.

15 INPUT SIGNAL SG No. SG 1 SG 2 SG 3 SG 4 SG 5 SG 6 SG 7 SG 8 SG 9 SG 10 SG 11 SG 12 SG 13 SG 14 SG 16 SG 17 SG 19 SG 20 SG 21 SG 23 SG 24 SG 25 SG 26 SG 27 SG 28 SG A SG B SG C SG D Signals (50Ωtermination) f0=58.75mhz, 9µ, fm=20khz, AM77.8% f0=58.75mhz, 8µ, CW f0=58.75mhz, CW, Level variable f0=58.75mhz, fm=20khz, AM16%, Level variable f0=58.75mhz ±5MHz, 8µ, Sweep signal f0=57.75mhz, 8µ, CW f0=59.2mhz, 8µ, CW f0=54.25mhz, 11µ, CW f0=54.25mhz, 7µ, CW f1=58.75mhz, 9µ, CW Mixed signal f2=53 ±5MHz, 7µ, CW f1=58.75mhz, 9µ, CW f2=55.17mhz, 8µ, CW Mixed signal f3=54.25mhz, 8µ, CW f0=58.75mhz, 11µ, CW f0=58.75mhz, 6µ, CW f0=58.75mhz-2.5mhz, f0=58.75mhz+1mhz, 80Bµ, CW f0=58.75mhz, 9µ, CW Mixed signal f0=54.25mhz, 7µ, CW f0=4.5mhz, 83dBµ, fm=400hz, FM±25kHz dev. f0=4.5mhz, 83dBµ, fm=400hz, FM±25kHz Level variable f0=4.5mhz, 83dBµ, fm=400hz, AM30% f0=4.5mhz, 83dBµ, CW f0=400hz, 1VP-P, CW f0=58.75mhz, 9µ, CW f0=58.75mhz, 84dBµ, CW f0=hz, 20mVP-P, CW f0=58.75mhz, 8µ, CW f0=58.75mhz, 45dBµ, CW Sync separation input should be an APL 100% standard video signal of NTSC system as shown right. Should be vertically interlaced at 60Hz. Horizontal sync signal.duty 92% Input level and sync should be variable. f=2khz, 100mVP-P, CW START 2µs 5µs 7µs 63.5µs 63.5µs normal Change width VP-P 1VP-P SG A vertical sync signal width should be variable. START position is the same VP-P 1VP-P 1VP-P SG No. SG F SG G SG H SG J SG K SG L SG M SG N SG Q SG R SG P SG S SG T f=200khz, 2VP-P, CW f=200khz, 200mVP-P, CW f=200khz, 50mVP-P, CW f=3.58khz, 200mVP-P, CW f=2mhz to 10MHz Variable, 200mVP-P, CW 2µs 9µs 7µs 14.5µs 63.5µs 63.5µs 63.5µs f=3.5mhz, CW Level variable f=4.58mhz, CW 0.2VP-P Signals (50Ω termination) f=3.68mhz, CW Level variable 0.357VP-P 0.143VP-P 63.5µs 63.5µs fsb: Frequency of burst signal fsc: Frequency of chroma signal fsb=fsc= mhz :eb=100mvp-p ec=200mvp-p For SGL NTSC simple chroma signals, burst signal and chroma signal should be in the same phase and their frequencies should be variable. For SG L NTSC simple chroma signals, burst signal eb should be 0mVP-P and chroma signal amplitude ec should be 200mVP-P. DUTY 50% 5µs ec 0.5VP-P eb Pedestal Should be APL variable video signals of NTSC system. Should be vertically interlaced at 60Hz. SG Vertical sync signal. duty 92% Input level and sync should be variable. 16.6ms normal 1VP-P SG U f=200khz, CW V1,V2 variable 63.5µs V1 V2

16 I TST CIRCUIT 28 S k 38 D G F H A p C µ 5V 10µ 8MHz LPF 51A 0.1µ NON-POLAR 1µ 351T01 33k S k 0 75 S k S39A 10µ 680p 10µ S S48 VCO Coil 270k 270k 50 1µ S31 S51 1µ 33k 4.7k S36 S k S27 0.µ 39k Xtal 10µ 1 S k 0.1µ S44A S44 S SD µ S k 25 B S16 S13A 3.3k 330p A 330p 0.µ 3900p µ 23A CBS503 F18 1µ 6.8k µ 0 47µ 100k 10µ 1µ k S13 47µ 4.5MCoil S2A 330p A 20 A V 47µ +B S 33µ p VP20k 5. S19A S19 A19 S12A S12 S10A S10 1.8k S20 S5 S5A S M74LS1P A12 A10 2.2k S µ +12V BUS CONTROLLR 00p VR20k A Units Resistance :Ω Capacitance :F

17 TYPICAL CHARACTRISTICS THRMAL DRATING (MAXIMUM RATING) POWR DISSIPATION Pd (W) AMBINT TMPRATUR Ta ( C)

18 APPLICATION XAMPL R-Y OUT G-Y OUT B-Y OUT FBP OUT -Y OUT 470 XT VIDO IN 75 39k 10µ 39k 5V µ 47p Bp 50k 1µ 5 50k k k 1µ 0k 1.5k 33k 33k 1µ 10µ 5 M351T01 0.µ 3.9M 50k SRVIC SW 6.8µ 270p 3.58MHz TRAP p M TRAP 47p 4.7µ 50k 270k 1.5k 10µ 4.5M SF 270k 0.1µ 0.µ µ 1µ ON OSD G OSD R TINT CONT FAST BLK IN APC FILTR CHROMA OSC ACC FILTR BLACK HOLD KILLR FILTR CONTRAST COINCIDN- CONT C OUT GND OSD B B-Y OUT G-Y OUT R-Y OUT -Y OUT COLOR CONT H OUT VCC (9V) V OUT X-RAY PROTCT CHROMA IN 32fH OSC BRIGHT CONT PDSTAL FBP AFC IN CLAMP VIDO TON AFC FILTR CONT Y IN XT VIDO APC FILTR IN Y SW OUT SYNC IN TV IN VIDO VCO COIL SIF IN AFT DFAT AFT OUT VIDO OUT RF AGC OUT VCC (9V) VCC (5V) VIF IN GND (IF) RF AGC DLAY ADJ. IF AGC FILTR AF OUT SOUND DT OUT SOUND DT COIL XT AUDIO IN 9V µ 1:1 COIL 4.7k 4.7k k V OUT 0.0µ X-RAY PROTCT 1000p 50k 500kHz F18 1µ 6.8k 47µ 50k RF AGC VIDO MUT CONT. 3900p 3.9k 10µ 0 47µ 0.µ 0p k 0p 0p 50k 75 AUDIO OUT IF IN k 470 AV SW 1.8k 8200p COINCIDNC OUT 9V 5V 00p 20k H OUT XT AUDIO IN Units Resistance :Ω Capacitance :F

19 DSCRIPTION OF PIN Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function 9V 2.4k The input impedance is 18kΩ. Add a bias to outside as shown right for use. 1 XT AUDIO IN 3.25V 4.7k 3.9k 18k 2.4k 2k 4.5V 2 SOUND DT COIL 2.5V 25k 25k 30p 20p 5V 5p 3V The FM detector is a quadrature detector and externally connects a tank coil or discriminator. This is also used as an AV switching pin to apply voltage through a Ω. GND to XT (Y-DL) OPN to TV (Y-DL) Vcc (5V) to TV (S input) F TV (Without Y-DL) TV (With Y-DL) XT (With Y-DL) 2.4k Sound direct output pin. For de-emphasis,connect a capacitor between this pin and GND. 3 SOUND DT OUT 3.75V (Varying with coil position) 18k 2.4k 2k 4.5V Sound output pin through ATT. 23k 4 AF OUT 4.2V 9k 5.0V

20 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function 5 IF AGC FILTR 4.4 to 1.5V 7.5k Dynamic AGC circuit is used to improve AGC response characteristics. Set a filter constant to avoid a sag around 7µ. IF AGC Voltage 4.4V 5µ 7µ 10µ IF Input RFAGC delay point is set by the voltage applied to this pin. 6 RF AGC DLAY ADJ. 2k 7 GND-1 (VIF SIF) Input resistance is Ω. Input capacitance is 7pF. 8 9 VIF IN 1.5V 1.2k 1.2k V 10 VCC-1 (VIF SIF) 5V 11 Pin Output 11 APC FILTR 3V R 14k 3V 60p 3.4k 3.4k fc frequency The f characteristic of a loop in the locked state can be set by R. Normally, set fc in the range of 100 to 150kHz. V11 fo IF frequency

21 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function 12 H. VCC Power supply p in for h orizontal and vertical systems. Itscurrent is about 34mA. 13 AFC FILTR 6.25V 24k 3k Horizontal AFC filter pin. Action against VCR skews can be taken by increasing an external resistor R to provide a faster response speed. However, horizontal jitters in a weak electric field will increase. R 6.25V 14 AFC FBP IN 100 4V Flyback pulse is sliced on 4V to generate an AFC2 detector pulse. Remember that any peak around 4V may cause jitters. The screen moves rightward by integrating and entering the flyback pulse. FBP 1.35k CSB500F18 is used fH OSC 3.8V CSB 500F18 2k 1.2k 2k 1.2k Applying voltage of 0.7V or more operates the X- ray protector. Connect to GND if not using the pin. 16 X-RAY PROTCT 2k 2k

22 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function 17 COINCIDNC OUT 8V (Synchronous) to 0V (Asynchronous) Voltage goes up if a sync signal is entered and horizontal AFC is locked; otherwise, the voltage goes down. Therefore, the pin can be also used as a MUT detector. At that time, pay attention to high impedance. Pulse as shown below is output. 60k V 8.2V 18 V.OUT 30k 10H 0V 19 VCC-2 (VCJ) 9V Power supply for VC, AFT, RF AGC and SIF DT k Horizontal pulse of 24µs wide is output. It is open emitter output. 20 H. OUT 3.8V k 0V Color control pin. Its voltage goes to 0V when service SW is ON. 5.6k COLOR CONT. 4.5V V Service SW

23 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Descripition of function -Y OUT k 2k Video output pin. When a flyback pulse is entered for blanking from outside, a blanking pulse is entered internally and a chroma symbol is also blanked. The blanking threshold voltage is 7.1V. Open emitter output with maximum current of about 5mA R-Y OUT G-Y OUT B-Y OUT 5.4V Input impedance is 50kΩ. Apply voltage of 2.5V or more when inserting a character signal OSD B OSD G OSD R Vth 2.5V k Tint control pin. 12k 29 TINT CONT. 4.5V 2k 4.5V

24 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Applying voltage of 2.5V or more causes blanking. 30 FAST BLK IN Vth 2.5V 0V k Cap challenge is changed by R. As R is decreased, the cap challenge becomes narrower but phase jitters are reduced. 31 APC FILTR 6.5V 4k R Use XTAL of series capacitance type p 32 CHROMA OSC 6.8V Such as M351T01 VCC 3k As R is decreased, chroma output increases but ACC is not activated smoothly. R 2k 33 ACC FILTR k 1.6k

25 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Descripition of function R Pin holding the most dark part of a video signal. As R is increased, the black peak is held; contrarily, the peak gets closer to an average. 34 BLACK HOLD About 3.2V 1.5k 1.5k 1.15k 375 2k 4.7k To decrease killer sensitivity, connect a several M of resistor between the pin and GND. 35 KILLR FILTR 7.6V at signal input R 1.7k 3.2k Can be controlled by 5.1V center. 40k 36 CONTRAST CONT. Normally 4.8V Applied from outside 5k k 37 GND-2 (VCD) 38 CHROMA IN/ BRIGHTNSS 4.5V k 30p 20k 670 Chroma signal standard. Make an entry at 200mVP-P. This pin is also used as a brightness control pin. DC reproduction ratio is 100%. 33p 40k 4.5V

26 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Used to connect a hold capacitor. 3.9k 39 PDSTAL CLAMP About 2.2V 1.07k 1.4k 1.2k 1.5k Sharpness control pin.by increasing voltage, the pin is set to soft side. 15k 40 VIDO TON CONT. 4.5V 6.2k 4.5V Make an entry at low input impedance to avoid pedestal clamp. Standard coupling capacitor is 0.1µF. Make an entry at 0.5VP-P. 41 Y IN 3.3V 5V Make an entry at 1VP-P. 5k 42 XT VIDO IN 39k k

27 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Output at 1.5VP-P. 43 Y SW OUT 2.5V 1.125k Sync separation of emitter input type. Vertical sync separation is done inside the IC. 44 SYNC IN 6.6V 7.35V Make an entry at 1VP-P TV IN 2.5V 20k 2.5V Reference tuning capacitance is 27pF. As VCO COIL 4V the capacitance is decrease, the variable range becomes wider but stability becomes worse.

28 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Volume control pin. 20p 15k 48 SIF IN/ATT 4.5V 29.3p 2.4k 4.5V Applying voltage of 2.5V or more defeats AFT. 49 AFT DFAT 23.3k Current output type. As load resistor R is increased, detector sensitivity becomes 50 AFT OUT 8.2 to 0.5V R higher but offlot becomes larger. R 7.5k Output at 1.4VP-P. 1.75V is applied to sink tip. 51 VIDO OUT 12.5k 32.5k 2.7k 250

29 DSCRIPTION OF PIN (cont.) Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Current output type. Max. 0.4mA. 0.4mA 52 RF AGC OUT mA