Sharp 32JW-73E Page 58 Service Manual Download | Manualshive

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Summary of Contents for 32JW-73E

Page 1: ...ld restored to its original condition and only parts identical to those specified should be used CONTENTS ELECTRICAL SPECIFICATIONS 3 IMPORTANT SERVICING NOTES 4 CONTROLS TERMINALS 5 ADJUSTMENT PROCEDURES 6 LED FLASHING CODES 12 PRINTED WIRING BOARDS 13 CHASSIS LAYOUT 19 ICs ADDITIONAL INFORMATION 21 SCHEMATIC DIAGRAMS 36 TROUBLESHOOTING TABLES 49 PARTS LISTING 52 SOURCE OF DOCUMENTATION 60 PACKIN...

Page 2: ...f only part number changes are required just change part number directly the part number in the Parts Listing Section If you need more information please refer to the Technical Report Bulletin SERVICE MANUAL UPDATE LOG SHEET Part No Technical Report No Technical Bulletin No Cause Solution Page No Application Data Serial No ...

Page 3: ...d by Operation 3W Audio Power Output Rating MPO Impedance Internal Left Speaker 10W 7Ω Internal Right Speaker 10W 7Ω Speakers Left Right 12 x 6cm Convergence Maximum Misconvergence Static Centre between any two colours 0 08 cm Dynamic after static equals zero Within 10cm 4 circle 0 12cm 10 25cm 4 10 circle 0 20 cm Everywhere else 0 28 cm Focus High Bi Potential Electrostatic Sweep Deflection Magne...

Page 4: ... x ray radiation levels This is a problem when in close proximity to the receiver for long periods of time To reduce any risks associated with this please observe the following precautions 1 When undertaking any servicing on this chassis DO NOT increase the EHT to more than 32 5 KV at a instantaneous beam current of 1500µA 2 Ensure that during normal operation the EHT does not exceed 30 0 KV 1 5KV...

Page 5: ...4 1 L S G I R D D D AUDIO S VIDEO VIDEO 5 FRONT REAR R R L L WOOFER AV 2 AV TERMINAL AV 1 AV TERMINAL RGB SCART PERITELEVISION 4 2 3 1 CONTROLS TERMINALS FRONT TV 1 Main power button 2 Power indicator 3 Remote control sensor 4 Volume DOWN button 5 Volume UP button 6 Channel DOWN button 7 Channel UP button 8 Door 2 3 4 5 6 7 1 8 Behind the door 1 S VIDEO input terminal 2 VIDEO input terminal PAL SE...

Page 6: ...annel Up selector 35 Fast forward picture search forward 36 Channel Down selector 37 Record button 8 I i LIST X TV VCR TEXT REMOTE CONTROL G1065SA TV VIDEO 0 MENU CH VCR S I II I II TV VCR TV CH CH 2 5 1 4 7 9 6 3 32 34 33 31 35 36 37 30 29 27 28 25 26 24 23 20 19 21 22 2 3 1 4 5 6 7 8 9 10 11 13 14 15 16 17 18 12 REMOTE CONTROL ADJUSTMENT PROCEDURES All adjustments to this chassis except for focu...

Page 7: ... twice to enter FACTORY BALANCE level Use volume control keys to change the setting The original value will be recovered after resetting the TV set Press the Green button three times to enter FACTORY BASS level Use volume control keys to change the setting The original value will be recovered after resetting the TV set Press the Green button four times to enter FACTORY TREBLE level Use volume cont...

Page 8: ...n button is pressed side pincushion changes Press the stand by button on the remote control to store Pin Amp Adjust the Pin Amp so that the picture is centred The effect of this adjustment is shown in figure 5 When the volume up button is pressed side pincushion changes from pincushion to barrel shape When the volume down button is pressed side pincushion changes from barrel shape to pincushion Pr...

Page 9: ...nning decreases and the lower picture scanning increases When the volume down button is pressed the upper picture scanning increases and the lower picture scanning decreases Press the stand by button on the remote control to store Vertical Angle Adjust the Vertical Angle so that the picture is centred The effect of this adjustment is shown in figure 9 When the volume up button is pressed the verti...

Page 10: ... 0 015 To increase press volume up button and to decrease press volume down button GREEN CUT OFF alter Y coordinate BLUE CUT OFF alter X and Y coordinate 3 Follow the procedure below to set the GAIN 3 1 Using brightness and contrast buttons select a luminance of 100 NITS 3 2 Set the RED GAIN to 50 S Correction Adjust the S Correction so that the picture symmetrical between the top centre and botto...

Page 11: ...good tracking Note The data to be adjusted is contained at the bottom right corner of the picture See Figure 15 Changing NVM Data To change the data contained within the Non Volatile Memory it is necessary to first select the page the data is stored in then the position and finally to change the data itself The procedure below outlines this process 1 Press the channel up down buttons and ALTER NVM...

Page 12: ... signal strength of the pattern generator to 59dB mV 75W 3 Enter the Service Mode 4 Enter the AGC Adjustment menu although it only appears on screen AGC Adjustment you are in the B G one 5 Press the stand by button on the remote control 6 The adjustment will be carried out and stored automatically AGC Adjustment L To correctly align the L Automatic Gain Control follow the procedure outlined below ...

Page 13: ...3 32JW 73E FB218WJN2 CRT UNIT PWB Component side FB218WJN2 CRT UNIT PWB Copper side 11 1 2 3 4 5 6 7 8 9 10 Y X 0 10 11 12 13 1 2 3 4 5 6 7 8 9 Y X 11 1 2 3 4 5 6 7 8 9 10 0 10 9 8 7 6 5 4 3 2 1 13 12 11 ...

Page 14: ...14 32JW 73E 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 Y X 0 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 Page 15 FB217WJN5 MOTHER UNIT PWB Component side ...

Page 15: ...15 32JW 73E Page 14 29 30 31 32 33 20 21 22 23 24 25 26 27 28 17 18 19 Y X 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 16 FB217WJN5 MOTHER UNIT PWB Component side ...

Page 16: ...16 32JW 73E 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 Y FB217WJN5 MOTHER UNIT PWB Copper side Page 17 19 18 17 16 29 28 27 26 25 24 23 22 21 20 33 32 31 30 X ...

Page 17: ...17 32JW 73E FB217WJN5 MOTHER UNIT PWB Copper side Page 16 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 2 3 4 5 6 7 8 9 10 1 Y X 0 10 9 8 7 6 5 4 3 2 1 17 16 15 14 13 12 11 ...

Page 18: ...CONTROL UNIT PWB Component side Copper side Y X 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 0 9 8 7 6 5 4 3 2 1 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 Y X 0 1 2 3 4 5 6 7 8 9 ...

Page 19: ...19 32JW 73E CHASSIS LAYOUT PWB A Mother Unit FB217N5 ...

Page 20: ...20 32JW 73E PWB B CHASSIS LAYOUT CRT SOCKET UNIT FB218N2 PWB C CHASSIS LAYOUT FRONTAL POWER CONTROL UNIT FB219N1 ...

Page 21: ...330 note 3 B G standard 5 L standard 7 ϕdif differential phase CCIR 330 2 4 deg Bvideo 1dB 1 dB video bandwidth trap bypass mode AC load CL 20 pF RL 1 kΩ 5 6 MHz Bvideo 3dB trap 3 dB video bandwidth including sound carrier trap note 4 ftrap 4 5 MHz 3 95 4 05 MHz ftrap 5 5 MHz 4 90 5 00 MHz ftrap 6 0 MHz 5 40 5 50 MHz ftrap 6 5 MHz 5 50 5 95 MHz αSC1 trap attenuation at first sound carrier M N stan...

Page 22: ...F2 in dB 6 dB is the correction term of internal circuitry and 3 dB is the tolerance of video output and intercarrier output Vo intc rms 8 Pin REF is able to operate as a 1 pin crystal oscillator input as well as an external reference signal input e g from the tuning system BAF 3dB 3 dB AF bandwidth without de emphasis dependent on FM PLL filter 80 100 kHz S NW AF weighted signal to noise ratio of...

Page 23: ... 6 5 MHz TAGC C VAGC pos C AGC neg C BL VAGC 1 TOP 14 15 VPLL 19 21 9 8 16 15 16 21 23 4 2 10 9 11 10 12 11 18 20 20 22 2 31 1 30 18 17 7 8 3 5 4 6 external reference signal or 4 MHz crystal REF AFC AUD CVBS audio output video output 2 V p p 1 1 V p p without trap C AF SIOMAD SDA SCL MAD V P C AGC 6 12 13 14 17 19 25 28 29 32 13 n c AGND 7 5 DGND OUTPUT PORTS I 2 C BUS TRANSCEIVER 22 24 3 1 OP1 OP...

Page 24: ...3 not connected n c 14 not connected TAGC 14 14 15 tuner AGC output REF 15 15 16 4 MHz crystal or reference signal input VAGC 16 VIF AGC for capacitor n c 16 17 not connected CVBS 17 17 18 composite video output n c 19 not connected AGND 18 18 20 analog ground VPLL 19 19 21 VIF PLL for loop filter VP 20 20 22 supply voltage AFC 21 21 23 AFC output OP2 22 22 24 output port 2 open collector n c 25 n...

Page 25: ...T BY MUTE NC VCC SIGN VREG VCC POW VCC VCC VCC VCC NEGATIVE SUPPLY NEGATIVE SUPPLY NEGATIVE SUPPLY PWM OUTPUT BOOTSTRAP DIODE ANODE BOOTSTRAP CAPACITOR NOT CONNECTED FEEDBACK INTEGRATING CAPACITANCE SETTING FREQUENCY RESISTOR SIGNAL GROUND INPUT ST BY MUTE CONTROL PIN NOT CONNECTED POSITIVE SIGNAL SUPPLY 10V INTERNAL REGULATOR POSITIVE POWER SUPPLY NEGATIVE SUPPLY TO BE CONNECTED TO PIN 16 VIA C5 ...

Page 26: ... 30 KΩ SVR Supply Voltage Rejection f 100Hz Vr 0 5 46 60 dB Tr Tf Rising and Falling Time 50 ns RDSON Power Transistor on Resistance 0 4 Ω FSW Switching Frequency 100 120 140 KHz FSW_OP Switching Frequency Operative Range 100 200 KHz BF Zero Signal Frequency Constant 1 4x109 HzΩ RF Frequency Controller Resistor Range 7 12 14 KΩ MUTE STAND BY FUNCTIONS VST BY Stand by range 0 8 V VMUTE Mute Range 1...

Page 27: ... 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 AVSUP AVSUP ANA_IN1 ANA_IN ANA_IN2 TESTEN XTAL_IN XTAL_OUT TP AUD_CL_OUT NC NC D_CTR_I O_1 D_CTR_I O_0 ADR_SEL STANDBYQ CAPL_M AHVSUP CAPL_A SC1_OUT_L SC1_OUT_R VREF1 SC2_OUT_L SC2_OUT_R NC NC DACM_SUB NC DACM_L DACM_R VREF2 DACA_L NC AVSS AVSS M...

Page 28: ... 3 6 0 V dVSUP23 Voltage between AVSUP and DVSUP AVSUP DVSUP 0 5 0 5 V PTOT Power Dissipation PLCC68 PSDIP64 PSDIP52 PQFP80 PLQFP64 AHVSUP DVSUP AVSUP 1200 1300 1200 1000 960 mW mW mW mW mW VIdig Input Voltage all Digital Inputs 0 3 VSUP2 0 3 V IIdig Input Current all Digital Pins 20 20 mA1 VIana Input Voltage all Analog Inputs SCn_IN_s 2 MONO_IN 0 3 VSUP1 0 3 V IIana Input Current all Analog Inpu...

Page 29: ...Voltage all Inputs 0 3 VSUPx 0 31 V VO Output Voltage all Outputs 0 3 VSUPx 0 31 V VIO Input Output Voltage all Open Drain Out puts 0 3 6 V VCT3834 IC1001 Fig 1 2 Block diagram of the VCT 38xxA B shaded blocks are optional The block diagram does not show the additional features of VCT 38xxB Video Front end Comb Filter Color Decoder Display Processor Video Back end Panorama Scaler 4 3 4 12 31 2 I2 ...

Page 30: ... 24 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 25 26 27 28 29 30 31 32 ADB7 ADB6 ADB5 VSUPADB ADB1 ADB0 DB0 DB1 DB2 DB3 VSUPDB GNDDB DB4 DB5 DB6 DB7 ADB2 ADB3 ADB4 GNDADB 72 71 70 69 68 67 66 65 49 CIN1 50 CIN2 CRIN 51 VIN1 52 VIN2 53 VIN3 54 VIN4 55 DISINTROM 56 P27 57 P26 58 P25 59 P24 60 VSUPP2 61 GNDP2 62 P23 63 P22 64 P21 97 VERTQ 98 VERT 99 EW 100 SENSE 101 GNDM ...

Page 31: ...Q Frequency setting resistor 11 SGND Signal Ground 12 IN Error amplifier inverting input 13 IN Error amplifier non inverting input 14 EA out Error amplifier output 15 VCC Positive supply 16 VCCPOW Positive Power supply 17 VccPOW Negative Power supply 18 VCC Negative supply 19 VCC Negative supply 20 VCC Negative supply STV9380 IC502 PIN CONNECTION 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 ...

Page 32: ...mmended vertical yoke current 1 25 A I13 I12 Amplifier Input bias current 0 1 µA VOS Output Offset voltage Note 1 50 50 mV SVR Supply voltage rejection Note 2 82 dB Flythr Flyback detection threshold positive slope V 14 1 5 V Flythf Flyback detection threshold negative slope V 14 0 5 V Pd Integrated circuit Dissipated power Note 3 1 1 W Fsw Switching frequency Rfreq 10kΩ 120 140 160 kHz Fsw op Swi...

Page 33: ... valley sensing handbook halfpage MGU231 TEA1507 1 2 3 4 VCC GND CTRL DEM DRAIN HVS DRIVER Isense 8 7 6 5 Fig 3 Pin configuration idth SUPPLY MANAGEMENT internal supply UVLO start M level VCC 1 2 3 GND S1 CTRL FREQUENCY CONTROL VOLTAGE CONTROLLED OSCILLATOR LOGIC LOGIC OVER VOLTAGE PROTECTION OVERPOWER PROTECTION short winding soft start S2 OVER TEMPERATURE PROTECTION S Q R UVLO Q MAXIMUM ON TIME ...

Page 34: ... VCC start 650 550 450 µA ICC operate supply current under normal operation no load on pin DRIVER 1 1 1 3 1 5 mA Demagnetization management pin 4 VDEM demagnetization comparator threshold voltage on pin DEM 50 100 150 mV IDEM pin DEM current VDEM 50 mV 50 1 0 nA Vclamp DEM neg negative clamp voltage on pin DEM at IDEM 150 µA 0 5 0 25 0 05 V Vclamp DEM pos positive clamp voltage on pin DEM at IDEM ...

Page 35: ...urrent and short winding protection 300 370 440 ns Iss soft start current Vsense 0 5 V 45 60 75 µA Overvoltage protection pin 4 I OVP DEM OVP protection level at pin 4 set by the demagnetization resistor RDEM see Section OverVoltage Protection OVP 54 60 66 µA Overpower protection pin 4 I OPP DEM OPP current at pin 4 start of OPP correction Set by the demagnetization resistor RDEM see Section OverP...

Page 36: ...THE AREA ENCLOSED BY THIS LINE IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE WHEN SERVICING THE AREA CONNECT AN ISO LATING TRANSFORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK CAUTION This circuit diagram is original one therefore there may be slight difference from yours SAFETY NOTE 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICONDUCTOR HEAT ...

Page 37: ...in4 Vp p 100V Pin5 Vp p 100V Pin6 Vp p 100V Pin7 Vp p 0 8V Pin8 Vp p 225V Pin9 Vp p 1200V Pin10 Vp p 0 4V Pin11 Vp p 1 8V Pin12 Vp p 0 5V Pin13 Vp p 5 6V Pin15 Vp p 2 00V 13 14 15 4 5 6 7 8 9 10 11 12 Pin14 Vp p 70V ...

Page 38: ...38 32JW 73E Pin16 Vp p 9 2V Pin17 Vp p 0 24V Pin18 Vp p 9 6V Pin19 Vp p 0 2V Pin20 Vp p 9 2V Pin21 Vp p 1 4V Pin22 Vp p 1 4V Pin23 Vp p 0 7V Pin24 Vp p 500V 16 17 18 19 20 21 22 23 24 ...

Page 39: ...39 32JW 73E 1 I H G F E D C B A 2 3 4 5 6 7 VB76EGV2381 N SCHEMATIC DIAGRAM OF CRT UNIT FB218N2 ...

Page 40: ...40 32JW 73E 1 I H G F E D C B A 2 3 4 5 6 7 Page 41 SCHEMATIC DIAGRAM OF MAIN 1 4 FB217N5 ...

Page 41: ...41 32JW 73E 8 9 10 11 12 13 14 I H G F E D C B A Page 40 SCHEMATIC DIAGRAM OF MAIN 1 4 FB217N5 ...

Page 42: ...42 32JW 73E 1 I H G F E D C B A 2 3 4 5 6 7 Page 43 SCHEMATIC DIAGRAM OF MAIN 2 4 FB217N5 ...

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Page 44: ...44 32JW 73E 1 I H G F E D C B A 2 3 4 5 6 7 Page 45 SCHEMATIC DIAGRAM OF MAIN 3 4 FB217N5 ...

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Page 46: ...46 32JW 73E 1 I H G F E D C B A 2 3 4 5 6 7 Page 47 SCHEMATIC DIAGRAM OF MAIN 4 4 FB217N5 ...

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Page 48: ...48 32JW 73E 1 I H G F E D C B A 2 3 4 5 SCHEMATIC DIAGRAM OF CONTROL UNIT FB219N1 ...

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Page 60: ... Family with Virtual Dolby Surround Edition March 5 2001 6251 476 4PD Preliminary data sheet http www micronas com products documentation consumer msp34x0g index php 4 VCT 3834 Micronas Data Sheet Preliminary data sheet VCT 38xxA Video Controller Teletext IC Family Edition Jan 8 2002 6251 518 1PD http www micronas com products documentation consumer vct38xxab downloads vct38xxab_1pd pdf 5 STV 9380...

Page 61: ... OF THE SET ACCESSORIES Operation Manual Set Batteries UBATU0013TAZZ Remote Control RRMCG1073BMSA FRONT Carton Box R C Battery Cover GCOVHA010WJSA FRONT SPAKC5497BMZZ Carton Box Wrapper SPAKP2014BMZZ Pack ad SPAKX4079BMZZ ...

Page 62: ...62 32JW 73E Notes ...

Page 63: ...63 32JW 73E Notes ...

Page 64: ...itted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP ELECTRONICA ESPAÑA S A TV Division Engineering Dept Polígono Industrial Can Sant Joan Sant Cugat del Vallès Barcelona Spain Think Ecology please use RECYCLED PAPER ...

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