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SX68JF100

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SCHEMATIC DIAGRAM: MAIN Unit -3

L1309
47u
P0362CE

L1308
47u
P0362CE

Summary of Contents for SX68JF100

Page 1: ...ENT PRECAUTIONS 3 TROUBLE SHOOTING TABLE 13 CHASSIS LAYOUT 18 BLOCK DIAGRAM 20 DESCRIPTION OF SCHEMATIC DIAGRAM 24 WAVEFORMS 24 SCHEMATIC DIAGRAM 27 PRINTED WIRING BOARD ASSEMBLIES 42 SOLID STATE DEVICE BASE DIAGRAM 53 REPLACEMENT PARTS LIST ELECTRICAL PARTS 54 SUPPLIED ACCESSORIES 67 PACKING PARTS 67 CABINET PARTS 67 Page FEATURES Ë Multi 28 Systems Ë Auto Search Tuning System Ë 100 CH Program Me...

Page 2: ...probe between picture tube dag and 2nd anode lead AC line cord should be disconnected from AC outlet 1 Picture tube in this receiver employs integral implosion protection 2 Replace with tube of the same type number for continued safety 3 Do not lift picture tube by the neck 4 Handle the picture tube only when wearing shatterproof goggles and after discharging the high voltage completely X RAY This...

Page 3: ...GD DVD V AMP50 V LINE50 V S CORR50 V CENT50 H CENT50 H SIZE50 E W PAR E W COR TRAPE SCM BELL SCM R Y SCM B Y SUB COL SUB COL DVD SUB TINT SUB TINT DVD SUB BRI SUB BRI DVD SUB CONT SUB CONT DVD SUB VOL V AMP60 V LINE60 V S CORR60 V CENT60 H CENT60 H SIZE60 PIP HPOS PIP SUB TINT DUAL PARA MAIN HCENT CONTRAST UP CONTRAST UP COLOUR UP COLOUR DOWN BRIGHT UP BRIGHT DOWN TINT UP TINT DOWN CONTRAST DOWN S...

Page 4: ...Y B Y SUB COL SUB COL DVD SUB TINT SUB TINT DVD SUB BRI SUB BRI DVD SUB CONT SUB CONT DVD SUB VOL V AMP60 V LINE60 V S CORR60 V CENT60 H CENT60 H SIZE60 V COM H COM V BIAS V COR PIP HPOS PIP VPOS PIP SUB TINT DUAL VSIZE50 DUAL HSIZE50 DUAL VSIZE60 DUAL HSIZE60 DUAL PARA MAIN HCENT50 MAIN HCENT60 PDC PDC PDC VCD1 VCD1 PDC PDC PDC PDC SECAM SECAM SECAM VCD1 VCD1 VCD1 VCD1 VCD1 VCD1 VCD1 VCD1 DSP PDC...

Page 5: ...P OFF FREE SKIP OFF FREE SKIP OFF FREE Production point R C CODE TV CH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 SREC SCA SKD MCL2 R C CODE 169h INTIAL 8 CH No AU 37 AU 0 AU 2 AU 3 AU 4 AU 5A AU 6 AU 7 AU 8 AU 9 AU 10 SKIP OFF FREE AU 37 Fv MHz 590 25 46 25 64 25 86 25 138 25 175 25 182 25 189 25 196 25...

Page 6: ... are linearly amplified 100 white area must not be collapsed Reference When it is adjusted at E 12ch take care for the voltage value Adjustment value TP5462 2 0Vp p NO Adjustment part Adjusting procedure and conditions Waveform and others PAL CHROMA ADJUSTMENT 1 1 SUB COLOUR SUB COL I2 C bus adjustment RF signal 1 E 12CH PAL colour bar is received 2 Make the picture normal with the remote con trol...

Page 7: ... bar Signal con tent 400Hz 100 Mod 2 Connect the probe of the meter to SI con nector See Note 3 Select SUB VOL in the service mode 4 Adjust the sub sound data to make the meter indicate 8 5Vrms at L ch Adjustment value 8 5 0 4Vrms NO Adjustment part Adjusting procedure and conditions Waveform and others SIF NICAM IGR ADJUSTMENT 1 VCO COIL T2300 in the NICAM unit 1Receive E 69CH PAL colour bar Set ...

Page 8: ...gnal 1 The window pattern is received with DVD sig nal component signal 2 Apply the adjustment in the same step as 2 15 and subsequence above 12 300 K G DRIVE B DRIVE R CUTOFF G CUTOFF and B CUTOFF Apply the adjustment after the end of 2 1 Note Use the window pattern of the signal generator for ad justment NO Adjustment part Adjusting procedure and conditions Waveform and others 3 MAX BEAM R1633 i...

Page 9: ...n green set the beam current at 1 400µA 3In Bh 0 and Bv Refer to the factory setting and geomagnetic adjustment by model ref verify that the landing in the corner area is prac tically at the rank A If it is deviated bond the Pu compensation Mg for adjustment Continuouslypressthemonocolour key 1 second or more and the monocolour mode will be selected without the service mode Even with TEXT key or R...

Page 10: ...arity is achieved Align the center of the screen to the geometric center of CRT E 5 Align the center of the screen to the geometric center of CRT E 5 Adjust the overscan to 8 5 E 5 Look at the first vertical line from the right end of the crosshatch pattern Adjust the data so that the four cells just on the left of this vertical line be straight down Fig 10 E 2 Look at the first vertical line from...

Page 11: ...etting Auto select in the feature menu ON NO Adjustment part Adjusting procedure and conditions Waveform and others FUNCTION OPERATION CHECK 1 VIDEO AND AUDIO 1 CONTRAST 1 Receive E 5CH 2 Select CONTRAST by picture menu 3 The contrast must be varied with UP DOWN 2 COLOUR 1 Receive J 13CH 2 Select COLOUR by picture menu 3 The colouring must be varied with UP DOWN Any colour must not remain in MIN 3...

Page 12: ...rify that the sound must not be properly out put 3 When E 12CH colour bar is received and M I D K is selected in the sound system Verify that the sound must not be properly out put 4 When JA 8CH colour bar is received and B G I D K is selected in the sound system Verify that the sound must not be properly out put Note Take care that 5 5M of 1 and 6 5M of 3 are slight in the variation 13 SPATIALIZE...

Page 13: ...al sync signal must be fed to pin 2 of IC1000 in oder not to activate the vertical no scan protector Take this measure with the protector circuit for the troubleshooting on the following pages TROUBLE SHOOTING TABLE Continued Does D1202 POWER LED turn on D1202 POWER LED turns on and off NO RASTER Circuits to be checked Power circuit Video circuit Protector cirucit Peripheral circuit of Bus Line No...

Page 14: ...and sub power circuit consisting of IC2700 D2700 and etc Normal Check F2700 Replace the Fuse Is the Fuse again blown out Does 5V appear at pin 33 of IC1000 Blown out A No No Yes Yes Check IC1000 Q1008 Q1750 Q1751 and IC1002 TROUBLE SHOOTING TABLE Continued B E2 PROM IC1001 AV SW IC451 VCD1 IC2801 SECAM IC2901 PDC IC1500 DCF IC5461 DEM IC2300 PLL1 TU201 VCD2 IC4902 PIP IC4901 Lights up turn off SSP...

Page 15: ...inued Circuits to be checked A V circuit Video output Peripheral circuit of Bus Line Normal No snow noise Check pin 19 of TU201 Abnormal C Noise or signal appear Is AV1 AV2 or AV3 input normal Check Q200 Q201 Q203 and their peripheral circuit Check TUNER and its related parts Yes No Does pin 5 of IC402 or signal appear Check IC402 IC451 and their peripheral circuit No Yes Does pin 15 of IC2801 noi...

Page 16: ...C1301 and speaker connector SS Is there audio signal at pins 14 and 16 of SC301 NICAM unit socket Check IC1300 IC1301 and its peripheral circuit TROUBLE SHOOTING TABLE Continued No Yes Yes Yes Yes Yes No No Turn on Colour control Does colour appear NO SPECIFIC COLOUR D Is only RF signal s colour abnormal Set Colour control Turn on Colour system forced switch Does colour appear Fix control to colou...

Page 17: ...ipherals Yes Yes White balance Check RGB output circuit of IC2801 Check IC2801 No Yes No Check IC2801 Check D1664 and its peripherals Yes No NTSC3 58 Check X2402 IC2801 and their peripherals PAL SECAM NTSC4 43 Check X2401 IC2801 and their peripherals No Check IC2801 IC2807 and PIP unit Yes No No Is chroma input level of IC2801 proper Ref Value 100 500mVp p Yes Fix control to coloured system No Is ...

Page 18: ...19 SX68JF100 18 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...

Page 19: ...21 SX68JF100 20 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 1 ...

Page 20: ...23 SX68JF100 22 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 2 ...

Page 21: ...24 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SX68JF100 WAVEFORMS ...

Page 22: ...TANISOLATINGTRANS FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK NOTES 1 The unit of resistance ohm is omitted K 1000 ohms M Meg ohm 2 All resistors are 1 16 watt unless otherwise noted 3 All capacitors are µF unless therwise noted P µµF VOLTAGE MEASUREMENT CONDITIONS 1 Voltage in parenthesis measured with no Signal 2 Voltages without parenthesis measured with PAL Col...

Page 23: ...26 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SX68JF100 Ë Tuner NOTE The parts here shown are supplied as an assembly but not independently 6 5 4 3 2 1 A B C D E F G H å VTUVTBT6ED265 ...

Page 24: ...27 17 16 19 18 15 14 13 12 11 10 SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit QEARC2913PEZZ VB68QCP892X1E ...

Page 25: ...29 SX68JF100 28 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit 1 ...

Page 26: ...31 SX68JF100 30 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit 2 ...

Page 27: ...33 SX68JF100 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit 3 L1309 47u P0362CE L1308 47u P0362CE ...

Page 28: ...35 SX68JF100 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM POWER Unit ...

Page 29: ...36 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM DIG COM Unit C5469 10u 16V ...

Page 30: ...37 17 16 19 18 15 14 13 12 11 10 SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CONTROL Unit ...

Page 31: ...38 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM SUB POWER Unit ...

Page 32: ...39 17 16 19 18 15 14 13 12 11 10 SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM NICAM Unit ...

Page 33: ...41 SX68JF100 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM VCJ Unit ...

Page 34: ...43 SX68JF100 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES ...

Page 35: ...45 SX68JF100 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side Chip Parts ...

Page 36: ...47 SX68JF100 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB B POWER Unit Wiring Side ...

Page 37: ...48 SX68JF100 6 5 4 3 2 1 A B C D E F G H Wiring Side Chip Parts Side PWB C CRT Unit Wiring Side PWB D DIG COM Unit ...

Page 38: ...49 SX68JF100 6 5 4 3 2 1 A B C D E F G H PWB E CONTROL Unit Wiring Side ...

Page 39: ...50 SX68JF100 6 5 4 3 2 1 A B C D E F G H PWB H SUB POWER Unit Wiring Side ...

Page 40: ...51 SX68JF100 6 5 4 3 2 1 A B C D E F G H PWB I NICAM Unit Wiring Side PWB I NICAM Unit Wiring Side Chip Parts ...

Page 41: ...52 SX68JF100 6 5 4 3 2 1 A B C D E F G H Wiring Side PWB J VCJ Unit Wiring Side Chip Parts ...

Page 42: ...A7809Pi 1 VHiKA7812Pi 1 VHiSE120N 1 PX0414CE PX0274CE RH iX3323CEZZ VHiTA78L09S 1 RH iX0249CEZZ RH FX0008GEZZ VHiTDA9141 1 VHiM52055FP 1 RH iX3285CEN5 VHiTA8772AN 1 VHiAN7108 1 VHiAN7397K 1 VHiTC9090AN 1 1 10 20 11 1 19 1 9 51 33 20 32 64 52 52 27 1 26 VHiMSP3410D 1 VHiTDA7482 1 RH DX0083GEZZ VHiTDA9808T 1 VHiCXA2069Q 1 24 13 1 12 8 5 1 4 VHiiR9358 1 VHiM24C08B 1 VHiBA15218F 1 VHiMiP0253 1 VHiBA76...

Page 43: ...SD601AR AC Q351 VS2SD601AR 1 R 2SD601AR AC Q352 VS2SD601AR 1 R 2SD601AR AC Q353 VS2SD601AR 1 R 2SD601AR AC Q354 VS2SD601AR 1 R 2SD601AR AC Q406 VS2SB709AR 1 R 2SB709AR AC Q407 VS2SD601AR 1 R 2SD601AR AC Q451 VS2SD601AR 1 R 2SD601AR AC Q452 VS2SD601AR 1 R 2SD601AR AC Q453 VS2SD601AR 1 R 2SD601AR AC Q454 VS2SD601AR 1 R 2SD601AR AC Q501 VS2SD601AR 1 R 2SD601AR AC Q601 VS2SB709AR 1 R 2SB709AR AC Q1001...

Page 44: ...CY1HF103Z R 0 01 50V Ceramic AA C351 VCEA0A1CW106M R 10 16V Electrolytic AB C352 VCEA0A1CW106M R 10 16V Electrolytic AB C353 VCEA0A1CW106M R 10 16V Electrolytic AB C354 VCEA0A1CW106M R 10 16V Electrolytic AB C355 VCEA0A1CW106M R 10 16V Electrolytic AB C356 VCEA0A1CW106M R 10 16V Electrolytic AB C357 VCEA0A1CW106M R 10 16V Electrolytic AB C358 VCEA0A1CW106M R 10 16V Electrolytic AB C363 VCEA0A1CW10...

Page 45: ... RJ16 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ17 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ19 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ21 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ22 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ23 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ24 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ27 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ28 VRS CY1JF000J R 0 1 16W Metal Oxide AA RJ2...

Page 46: ...k 1 16W Metal Oxide AA R629 VRS CY1JF103J R 10k 1 16W Metal Oxide AA R1001 VRS CY1JF333J R 33k 1 16W Metal Oxide AA R1002 VRS CY1JF103J R 10k 1 16W Metal Oxide AA R1003 VRS CY1JF333J R 33k 1 16W Metal Oxide AA R1004 VRS CY1JF562J R 5 6k 1 16W Metal Oxide AA R1005 VRS CY1JF103J R 10k 1 16W Metal Oxide AA R1006 VRS CY1JF472J R 4 7k 1 16W Metal Oxide AA R1007 VRS CY1JF562J R 5 6k 1 16W Metal Oxide AA...

Page 47: ...301 QPLGN0361CEZZ R Plug 3 pin SR AB P400 QPLGN0861CEZZ R Plug 8 pin Y AC P1000 QPLGN0661CEZZ R Plug 6 pin BC AD P1001 QPLGN0761CEZZ R Plug 7 pin LE AD P1003 QPLGN0361CEZZ R Plug 3 pin XA AB P1005 QPLGN1061CEZZ R Plug 10 pin HP AC P1301 QPLGN0861CEZZ R Plug 8 pin SS AC P1302 QPLGN0361CEZZ R Plug 3 pin SI AB P1304 QPLGN0361CEZZ R Plug 3 pin SR AB SC301 QSOCN0284FJZZ R Socket 20 pin NI AK SC401 QSOC...

Page 48: ...SC2JA333K R 0 033 630V Mylar AB C1704 RC KZ0334CEZZ R 270p 2kV Ceramic AC C1705 RC KZ0024CEZZ R 1000p 2kV Ceramic AC C1706 VCEA0A1HW107M R 100 50V Electrolytic AB C1707 VCKYPA1HB101K R 100p 50V Ceramic AA C1708 VCKYPA1HF103Z R 0 01 50V Ceramic AA C1709 VCKYPA1HB471K R 470p 50V Ceramic AA å C1710 RC KZ020SCEZZ R 2200p 4kV Ceramic AE C1711 VCQYTA1HM103J R 0 01 50V Mylar AA C1712 VCE9GA1HW105M R 1 0 ...

Page 49: ...M 1 2W Solid AA å R1716 VRC UA2HG825K R 8 2M 1 2W Solid AA R1717 VRD RA2BE102J R 1 0k 1 8W Carbon AA R1718 VRS VV3AB560J R 56 1W Metal Oxide AA R1750 VRD RA2BE103J R 10k 1 8W Carbon AA R1751 VRD RA2BE103J R 10k 1 8W Carbon AA R1752 VRD RA2BE273J R 27k 1 8W Carbon AA R1753 VRD RA2BE102J R 1 0k 1 8W Carbon AA R1754 VRD RA2BE103J R 10k 1 8W Carbon AA R1755 VRD RA2BE103J R 10k 1 8W Carbon AA R1756 VRD...

Page 50: ... VRD RM2HD101J R 100 1 2W Carbon AA R3828 VRC MA2HG152K R 1 5k 1 2W Solid AA R3829 VRD RM2HD224J R 220k 1 2W Carbon AA R3830 VRD RA2BE223J R 22k 1 8W Carbon AA R3831 VRD RA2BE223J R 22k 1 8W Carbon AA R3832 VRD RA2EE680J R 68 1 4W Carbon AA R3851 VRD RM2HD560J R 56 1 2W Carbon AA R3852 VRD RA2BE101J R 100 1 8W Carbon AB R3853 VRD RA2BE222J R 2 2k 1 8W Carbon AA R3854 VRD RA2BE100J R 10 1 8W Carbon...

Page 51: ...1JF102J R 1 0k 1 16W Metal Oxide AA R5483 VRS CY1JF102J R 1 0k 1 16W Metal Oxide AA R5484 VRS CY1JF103J R 10k 1 16W Metal Oxide AA R5485 VRD RA2BE103J R 10k 1 8W Carbon AA R5486 VRS CY1JF821J R 820 1 16W Metal Oxide AA R5861 VRD RA2BE821J R 820 1 8W Carbon AA R5862 VRS CY1JF561J R 560 1 16W Metal Oxide AA R5864 VRS CY1JF123J R 12k 1 16W Metal Oxide AA R5865 VRS CY1JF332J R 3 3k 1 16W Metal Oxide A...

Page 52: ...Zener Diode AD D2754 RH DX0475CEZZ R Diode AB å VA2700 RH VX0048CEZZ R Varistor AE PACKAGED CIRCUIT PR2700 RMPTP0085CEZZ R Packaged Circuit AL COILS AND TRANSFORMER å L2700 RCiLF0138CEZZ R Coil AQ å L2701 RCiLF0138CEZZ R Coil AQ å L2702 RCiLF0138CEZZ R Coil AQ å T2700 RTRNZ0159PEZZ J Transformer AK CAPACITORS å C2700 RC FZ016SGEZZ R 0 47 AC250V AK C2701 VCFYSB2EB224K R 0 22 250V Mylar AD C2703 RC ...

Page 53: ...770 VCEA0A1HW105M R 1 0 50V Electrolytic AB C2771 VCEA0A1HW105M R 1 0 50V Electrolytic AB C2772 VCKYCY1HB152K R 1500p 50V Ceramic AA C2773 VCEA0A1CW107M R 100 16V Electrolytic AC C2774 VCKYCY1HB152K R 1500p 50V Ceramic AA C2775 VCKYCY1EB103K R 0 01 25V Ceramic AA C2776 VCEA0A1HW105M R 1 0 50V Electrolytic AB C2777 VCEA0A1CW476M R 47 16V Electrolytic AB C2778 VCCCCY1HH560J R 56p 50V Ceramic AA C277...

Page 54: ...ytic AC C2413 VCKYCY1EB103K R 0 01 25V Ceramic AA C2414 VCKYCY1CB104K R 0 1 16V Ceramic AB C2415 VCKYCY1CB104K R 0 1 16V Ceramic AB C2419 VCKYCY1CB104K R 0 1 16V Ceramic AB C2420 VCKYCY1CB104K R 0 1 16V Ceramic AB C2421 VCKYCY1CB104K R 0 1 16V Ceramic AB C2422 VCKYCY1HF103Z R 0 01 50V Ceramic AA C2423 VCEA0A1CW107M R 100 16V Electrolytic AC C2424 VCCCCY1HH470J R 47p 50V Ceramic AA C2425 VCCCCY1HH4...

Page 55: ...00 1 16W Metal Oxide AA R2427 VRS CY1JF103J R 10k 1 16W Metal Oxide AA R2429 VRS CY1JF102J R 1 0k 1 16W Metal Oxide AA R2433 VRS CY1JF152J R 1 5k 1 16W Metal Oxide AA R2436 VRS CY1JF681J R 680 1 16W Metal Oxide AA R2439 VRS CY1JF562J R 5 6k 1 16W Metal Oxide AA R2444 VRS CY1JF273J R 27k 1 16W Metal Oxide AA R2445 VRS CY1JF391J R 390 1 16W Metal Oxide AA R2446 VRS CY1JF101J R 100 1 16W Metal Oxide ...

Page 56: ... Guarantee Card AE TiNS 6841PEZZ J Operation Manual TCAUA0002PEZZ J Caution Card AB RRMCG1497PESA J Infrared R C Unit AU PACKING PARTS NOT REPLACEMENT ITEM SPAKC6559PEZZ Packing Case SPAKP0146PEZZ Wrapping Paper SPAKX2726PEZZ Buffer Material SSAKA0002PEZZ Polyethylene Bag CABINET PARTS 1 CCABA2517WEV0 R Front Cabinet Ass y 1 1 Not Available Front Cabinet 1 2 HBDGB3141CESA R Badge SHARP AG 1 3 HDEC...

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