Sharp CX51TXZ Service Manual Download Page 37 | Manualshive

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CX51TXZ

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Summary of Contents for CX51TXZ

Page 1: ...S 2 ADJUSTMENT PRECAUTIONS 3 TROUBLE SHOOTING TABLE 21 SOLID STATE DEVICE BASE DIAGRAM 23 CHASSIS LAYOUT 24 WAVEFORMS 25 DESCRIPTION OF SCHEMATIC DIAGRAM 26 SCHEMATIC DIAGRAM 28 BLOCK DIAGRAM 32 PRINTED WIRING BOARD ASSEMBLIES 36 REPLACEMENT PARTS LIST ELECTRICAL PARTS 41 SUPPLIED ACCESSORIES 47 CABINET PARTS 47 PACKING PARTS 47 Page FEATURE Ë World Multi 21 Systems Ë Full Auto Channel Preset and ...

Page 2: ...a test 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 R...

Page 3: ...set as listed in pages 4 6 3 Make sure the data need modify or not Initial data Note Once the chassis has been assembly together and ready to be POWER ON for the FIRST TIME make sure to short TP1001 and TP1002 to switch to the service mode position first and then turn on the main power switch See 2 1 above Precaution If haven t done this initiation it may possibly generate excessive Beam current 3...

Page 4: ...EVEL BASS SW BASS SW Y DELAY NTSC DT NTSC M Y DELAY SECAM DT SECAM IDK Y DELAY SECAM DT SECAM BG Y DELAY PAL DT PAL IDK Y DELAY PAL DT PAL BG IC SELECTION IC MODE USER DATA CONTRAST MAX 64 64 COLOUR CENT 32 64 BRIGHTNESS CENT 32 64 TINT CENT 32 64 SHARPNESS CENT 32 64 WHITE TEMP CENT 32 64 S VOLUME MIN 1 64 BLUE BACK OFF C SYSTEM AUTO S SYSTEM 1 MODE KEY IN KEY H CENTER PICTURE V CENTER TEXT V AMP...

Page 5: ...usted 60Hz mode s data automatically will be input But while 60Hz mode has been adjusted 50Hz mode s data won t be updated 2 Fixed DATA do not change without specific indication STEP 2 IN SERVICE MODE Press LANG Key 2 seconds to switch from STEP 1 Fixed DATA do not change with out specific indication EEPROM item OSD Display Data adjustable range Data initial value Remarks AGC SW ON AGC GAIN 0 WT H...

Page 6: ...1 175 25 B G 22 210 25 B G 23 224 25 B G 24 575 25 B G 25 599 25 B G 26 767 25 B G 27 183 25 M 28 193 25 M 29 112 25 B G 30 168 25 B G 31 32 294 25 B G 33 463 25 B G 34 174 25 B G 35 175 25 B G 36 37 38 39 38 41 42 43 44 45 Items Data Setting SKIP OFF AFT ON C SYSTEM AUTO S SYSTEM 1 LAST POWER ON LAST TV AV TV DIGIT 1DIG LANGUAGE 1 BLUE BACK ON LAST POS 1 LAST FB POS 1 VOLUME MIN CONTRAST MAX COLO...

Page 7: ...e contrast control to have a beam current to 700 µA 2 Degauss the CRT enough with the degausing coil Note Follow the Job Instruction Sheet to ad just the magnetic field Vertical Bv 0 050 mT 0 50 gauss Horizontal Bh 0 020 mT 0 20 gauss See page 12 3 Maintain the purity magnet at the zero magnetic field and keep the static convergence roughly adjusted 4 Observe the points a and b as shown in Fig 2 1...

Page 8: ...C to set Picture in Normal condition 3 Call the Service mode and select the Cut off Background mode 4 Set the screen control to 0 10 position 5 Press key on the remote controller to reach the horizontal centering mode 6 Here one of the three colour will appear as a bright line when the screen controlis turned clockwise Adjust the screen VR until the line can be seen slightly on the screen 7 Use th...

Page 9: ...ture NORMAL condition 3 Connect the DC miliammeter between TP603 and TP602 Full Scale 3 mA Range 4 Beam current must be within 1 100 100 µA 3 HORIZONTAL AND VERTICAL DEFLECTION LOOP ADJUSTMENT No Adjusting point Adjusting procedure conditions Waveform and others V AMP 50 V LINEARITY 50 Hz V S CORRECTION 50 Hz V SHIFT 50 V CENTER H SHIFT 50 H CENTER 1 Adjust V AMP50 to set overscan of 9 5 typical M...

Page 10: ...sec div 3 Call the SUB TINT mode in service mode Ad just the SUB TINT bus data to obtain the wave form shown as Fig 5 4 Clear the SERVICE mode 1 Cy G B W Y 100 W 75 Fig 4 Mg R W Y Cy G Mg R B Fig 5 A B C B Y A B C SECAM CHROMA ADJUSTMENT No Adjusting point Adjusting procedure conditions Waveform and others SECAM black level R Y B Y I2 C bus adjustment 1 Receive SECAM COLOUR BAR signal 2 Set SECAM ...

Page 11: ...re the output is as specified 1 76 Vp p 3 dB 1 Video and audio input check 1 Using the TV AV key on the remote controller make sure that the modes change in the order of TV AV1 AV2 and TV again and that the video and audio outputs are according to the input ter minal for each mode 2 FUNCTION OPERATION CHECKING VIDEO AND AUDIO No Adjusting point Adjusting procedure conditions Waveform and others CO...

Page 12: ...lect the NTSC 4 43 mode Check again its colour so that it is working properly 4 Receive NTSC 3 58 COLOUR BAR signal press COLOUR SYSTEM key to select modes except N3 58 check the COLOUR is not working prop erly Then select the NTSC 3 58 mode Check again its colour so that it is working properly 9 FUNCTION OPERATION CHECKING VIDEO AND AUDIO Continued No Adjusting point Adjusting procedure condition...

Page 13: ...00B PLL DATA Lower rank 00C PLL DATA Higher rank CH4 00D PLL DATA Lower rank 00E PLL DATA Higher rank CH5 00F PLL DATA Lower rank 010 PLL DATA Higher rank CH6 011 PLL DATA Lower rank 012 PLL DATA Higher rank CH7 013 PLL DATA Lower rank 014 PLL DATA Higher rank CH8 015 PLL DATA Lower rank 016 PLL DATA Higher rank CH9 017 PLL DATA Lower rank 018 PLL DATA Higher rank CH10 019 PLL DATA Lower rank 01A ...

Page 14: ...DATA Higher rank CH45 05F PLL DATA Lower rank SUB ADDRESS DATA FACTORY SETTING REMARKS CRITERIA 7 6 5 4 3 2 1 0 060 PLL DATA Higher rank CH46 061 PLL DATA Lower rank 062 PLL DATA Higher rank CH47 063 PLL DATA Lower rank 064 PLL DATA Higher rank CH48 065 PLL DATA Lower rank 066 PLL DATA Higher rank CH49 067 PLL DATA Lower rank 068 PLL DATA Higher rank CH50 069 PLL DATA Lower rank 06A PLL DATA Highe...

Page 15: ...NG REMARKS CRITERIA 7 6 5 4 3 2 1 0 0C0 PLL DATA Higher rank CH94 0C1 PLL DATA Lower rank 0C2 PLL DATA Higher rank CH95 0C3 PLL DATA Lower rank 0C4 PLL DATA Higher rank CH96 0C5 PLL DATA Lower rank 0C6 PLL DATA Higher rank CH97 0C7 PLL DATA Lower rank 0C8 PLL DATA Higher rank CH98 0C9 PLL DATA Lower rank 0CA PLL DATA Higher rank CH99 0CB PLL DATA Lower rank 0CC LAST POWER ON AA OFF 55 AA 0CD BLUE ...

Page 16: ... 00 109 S SYSTEM C SYSTEM CH9 00 10A S SYSTEM C SYSTEM CH10 00 10B S SYSTEM C SYSTEM CH11 00 10C S SYSTEM C SYSTEM CH12 00 10D S SYSTEM C SYSTEM CH13 00 10E S SYSTEM C SYSTEM CH14 00 10F S SYSTEM C SYSTEM CH15 00 110 S SYSTEM C SYSTEM CH16 00 111 S SYSTEM C SYSTEM CH17 00 112 S SYSTEM C SYSTEM CH18 00 113 S SYSTEM C SYSTEM CH19 00 114 S SYSTEM C SYSTEM CH20 00 115 S SYSTEM C SYSTEM CH21 00 116 S S...

Page 17: ...M CH88 00 159 S SYSTEM C SYSTEM CH89 00 15A S SYSTEM C SYSTEM CH90 00 15B S SYSTEM C SYSTEM CH91 00 15C S SYSTEM C SYSTEM CH92 00 15D S SYSTEM C SYSTEM CH93 00 SUB ADDRESS DATA FACTORY SETTING REMARKS CRITERIA 7 6 5 4 3 2 1 0 15E S SYSTEM C SYSTEM CH94 00 15F S SYSTEM C SYSTEM CH95 00 160 S SYSTEM C SYSTEM CH96 00 161 S SYSTEM C SYSTEM CH97 00 162 S SYSTEM C SYSTEM CH98 00 163 S SYSTEM C SYSTEM CH...

Page 18: ... ON 1 OFF 0 B6 ON 1 OFF 0 0 to 3 1B6 IC AM SEARCH SPEED FM W TEMP P 0 I 1 ON 1 OFF 0 S 00 M 01 F 10 61 60 N 0 OUT 1 HI 0 LO 1 1B7 AUTO SEL S SYS C SYS BI FAV AV0 1 2 ON 0 OFF 1 ON 1 OFF 0 0E P 00 PN 01 PSN 10 ON 1 OFF 0 ON 1 OFF 0 A0 00 A1 01 A2 10 1B8 D K I B G ON 1 OFF 0 ON 1 OFF 0 01 ON 1 OFF 0 SUB ADDRESS DATA FACTORY SETTING REMARKS CRITERIA 7 6 5 4 3 2 1 0 1B9 1BA ROM CORRECT 1 ON OFF 1BB RO...

Page 19: ... IGR NICAM CH21 4C 216 IGR NICAM CH22 4C SUB ADDRESS DATA FACTORY SETTING REMARKS CRITERIA 7 6 5 4 3 2 1 0 217 IGR NICAM CH23 4C 218 IGR NICAM CH24 4C 219 IGR NICAM CH25 4C 21A IGR NICAM CH26 4C 21B IGR NICAM CH27 4C 21C IGR NICAM CH28 4C 21D IGR NICAM CH29 4C 21E IGR NICAM CH30 4C 21F IGR NICAM CH31 4C 220 IGR NICAM CH32 4C 221 IGR NICAM CH33 4C 222 IGR NICAM CH34 4C 223 IGR NICAM CH35 4C 224 IGR...

Page 20: ... 255 IGR NICAM CH85 4C 256 IGR NICAM CH86 4C 257 IGR NICAM CH87 4C 258 IGR NICAM CH88 4C 259 IGR NICAM CH89 4C 25A IGR NICAM CH90 4C 25B IGR NICAM CH91 4C 25C IGR NICAM CH92 4C 25D IGR NICAM CH93 4C 25E IGR NICAM CH94 4C 25F IGR NICAM CH95 4C 260 IGR NICAM CH96 4C 261 IGR NICAM CH97 4C 262 IGR NICAM CH98 4C 263 IGR NICAM CH99 4C 264 265 266 267 268 269 26A 26B 26C 26D 26E 26F 270 271 272 273 274 S...

Page 21: ...ter the POWER port is set to H the read in is set to NOP 2 If the H V V GUARD bit of V C J STATUS register is 0 the mode is changed to the PROTECTOR MODE 3 If V SYNC pin 2 is not given for 300 ms the mode is changed to the PROTECTOR MODE However this operation is not performed in the SERVICE MODE and EXTERNAL BUS MODE 4 If LOW BIN pin 27 is not set to H for 3s when power is on the mode is changed ...

Page 22: ...control circuit Normal Normal SECAM PAL NTSC NO SPECIFIC COLOUR PAL NTSC SECAM NO COLOUR SYNCHRONIZATION NO YES YES NO Check IC801 R809 R810 R811 D801 D802 D803 Q801 Q802 Q803 Q804 Q805 C813 and C814 Check X801 C810 C815 C816 and R814 Check C901 NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION CIRCUIT TO BE CHECKED Sync Separator Circuit NO VERTICAL SCAN Vertical linearity is abnormal Check C515 C5...

Page 23: ...008GE 8 5 1 4 M52797SP 28 15 1 14 4 3 1 2 2SA1015 2SC1815 2SC2482 KiA7045A TA78L09 UPC78L05 iX0037CE 2SC3789 RBV 406M BASE COLLECTOR EMITTER CATHODE ANODE BASE COLLECTOR EMITTER B C E KA7809 KA7805 1 2 3 ANODE RED CATHODE COMMON ANODE GREEN 1 2 3 3 2 1 E C B LA7830 SE115 PQ05RD11 DX0445CE F6654 TDA7056A PX0291PE 2SD2586 1 7 1 9 ...

Page 24: ...24 CX51TXZ CHASSIS LAYOUT 6 5 4 3 2 1 A B C D E F G H ...

Page 25: ...p p H 1 0 5 Vp p H 2 0 7 Vp p H 3 3 5 Vp p H 4 3 5 Vp p H 5 3 5 Vp p H 6 99 Vp p H 7 100 Vp p H 8 92 Vp p H 9 1 8 Vp p H 0 4 6 Vp p H q 9 3 Vp p H w 0 85 Vp p H e 55 Vp p H r 145 Vp p H t 1000 Vp p H y 136 Vp p H u 520 Vp p H i ...

Page 26: ...ATINGTRANS 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 8 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 3mV B W or Colo...

Page 27: ...27 CX51TXZ å å å å å VTUVTBT6ED261 6 5 4 3 2 1 A B C D E F G H Tuner NOTE The parts here shown are supplied as an assembly but not independently ...

Page 28: ...28 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ SCHEMATIC DIAGRAM MAIN Unit ...

Page 29: ...29 17 16 19 18 15 14 13 12 11 10 CX51TXZ ...

Page 30: ...30 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT and FRONT AV Units B51QAE320 2E CILH0200PE ...

Page 31: ...31 17 16 19 18 15 14 13 12 11 10 CX51TXZ 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM TEXT Unit ...

Page 32: ...32 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ BLOCK DIAGRAM 1 3 Ys Ym ...

Page 33: ...33 17 16 19 18 15 14 13 12 11 10 CX51TXZ ...

Page 34: ...34 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 2 3 ...

Page 35: ...35 17 16 19 18 15 14 13 12 11 10 CX51TXZ 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 3 3 ...

Page 36: ...36 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side ...

Page 37: ...37 17 16 19 18 15 14 13 12 11 10 CX51TXZ ...

Page 38: ...38 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ PWB A MAIN Unit Chip Parts Side ...

Page 39: ...39 17 16 19 18 15 14 13 12 11 10 CX51TXZ ...

Page 40: ...40 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CX51TXZ 6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side PWB D TEXT Unit Chip Parts Side PWB D TEXT Unit Wiring Side PWB E FRONT AV Unit Wiring Side ...

Page 41: ...A7809PI AE IC701 VHiSTRF6654 1 R STRF6654 AX IC702 RH FX0008GEZZ R PC123FY8 AE IC703 VHiPQ05RD11 1 R PQ05RD11 AG IC704 VHiSE115N 1 R SE115N AF IC801 VHiTB1226DN 1 R TB1226DN BB IC1001 RH iX3135CEZZ R M37221M8 AX IC1002 VHiKiA7045A 1 R KIA7045A AE IC1003 VHiAT24C04 1 R AT24C04 AP IC1004 VHiUPC78L05 4 R UPC78L05J AD TRANSISTORS Q201 VS2SD601A 1 R 2SD601A AC Q202 VS2SB709A 1 R 2SB709A AA Q203 VS2SD60...

Page 42: ...6M R 10 16V Elect N P AB C317 VCEAGA1CW227M R 220 16V Electrolytic AC C331 VCEAGA1CW106M R 10 16V Electrolytic AA C333 VCKYCY1HF103Z R 0 01 50V Ceramic AA C334 VCKYCY1HF103Z R 0 01 50V Ceramic AA C335 VCKYCY1HF103Z R 0 01 50V Ceramic AA C336 VCKYCY1HF103Z R 0 01 50V Ceramic AA C337 VCKYCY1HF103Z R 0 01 50V Ceramic AA C367 VCFYSA1HB474J R 0 47 50V Mylar AC C371 VCEAGA1CW477M R 470 16V Electrolytic ...

Page 43: ...p 50V Ceramic AA C1020 VCEAGA0JW107M R 100 6 3V Electrolytic AB C1021 VCCCCY1HH181J R 180p 50V Ceramic AA C1022 VCKYCY1HF103Z R 0 01 50V Ceramic AA C1023 VCKYCY1HF103Z R 0 01 50V Ceramic AA C1024 VCKYCY1HF103Z R 0 01 50V Ceramic AA C1025 VCKYCY1HF103Z R 0 01 50V Ceramic AA C1027 VCKYCY1HF103Z R 0 01 50V Ceramic AA C1031 VCKYCY1HF103Z R 0 01 50V Ceramic AA C1032 VCKYCY1HF103Z R 0 01 50V Ceramic AA ...

Page 44: ... 2W Carbon AA å R719 VRC UA2HG825K R 8 2M 1 2W Solid AA å R720 VRC UA2HG825K R 8 2M 1 2W Solid AA R722 VRD RM2HD124J R 120k 1 2W Carbon AA R736 VRD RA2BE272J R 2 7k 1 8W Carbon AA R737 VRN KT3LB8R2J R 8 2 3 0W Metal Film AC R802 VRS CY1JF561J R 560 1 16W Metal Oxide AA R803 VRS CY1JF561J R 560 1 16W Metal Oxide AA R804 VRS CY1JF561J R 560 1 16W Metal Oxide AA R805 VRS CY1JF223J R 22k 1 16W Metal O...

Page 45: ...7CEZZ R Ferrite Bead AB FH701 QFSHD1014CEZZ R Fuse Holder AC FH702 QFSHD1013CEZZ R Fuse Holder AC J401 QJAKH0011AJZZ R AV Jack AK P302 QPLGN0261CEZZ R Plug 2 pin S AB P401 QPLGN0461CEZZ R Plug 4 pin VA AB P502 QPLGN0603CEZZ R Plug 6 pin F AB P602 QPLGN0461CEZZ R Plug 4 pin H AB P711 QPLGN0207CEZZ R Plug 2 pin G AA P712 QPLGN0269GEZZ R Plug 2 pin A AB P801 QPLGN0561CEZZ R Plug 5 pin K AB P1001 QPLG...

Page 46: ... AC DIODES D1801 RH DX0475CEZZ R Diode AB D1803 RH EX0619GEZZ R Zener Diode AA D1804 RH EX0619GEZZ R Zener Diode AA D1805 RH DX0475CEZZ R Diode AB PACKAGED CIRCUIT X1801 RCRSB0006PEZZ J Crystal AK COILS L1801 VP DF100K0000 R Peaking 10µH AB L1802 VP XF1R0K0000 R Peaking 1µH AB L1803 VP DF100K0000 R Peaking 10µH AB CAPACITORS C1801 VCKYCY1EF104Z R 0 1 25V Ceramic AA C1803 VCEAGA1AW477M R 470 10V El...

Page 47: ...ZZ R Label AB SUPPLIED ACCESSORIES ACCESSORIES RRMCG1440PESA R Infrared R C Unit AV TiNS 6759PEZZ R Operation Manual AF ACCESSORIES NOT REPLACEMENT ITEM TCAUA0002PEZZ Caution Card SPAKC6556PEZZ Packing Case SPAKP0099PEZZ Wrapping Paper SPAKX2655PEZZ Buffer Material SSAKA0031PEZZ Polyethylene Bag SSAKH0006PEZZ Polyethylene Bag PACKING PARTS NOT REPLACEMENT ITEM CABINET PARTS 1 CCABA2512WEV0 Front C...

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