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Block and Schematic Diagrams

7.10. Image Processor Schematic Diagram

Summary of Contents for TX-17LX2F

Page 1: ...11 S20 U1 U10 CATV S21 S41 Hyperband PAL 525 60 Playback of NTSC tape from some PAL video recorders VCR M NTSC Playback From M NTSC video recorders VCR NTSC AV input only Playback From NTSC video recorders VCR Aerial ear UHF UK only VHF Operating Conditions Temperature 5 35 Humidity 5 90 RH non condensing Connection Terminals AV1 Scart connecter 21 Pin socket Audio Video in Audio Video out RGB in ...

Page 2: ... is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else c...

Page 3: ...rk 4 Check each exposed metallic part and measure the voltage at each point 6 The potential at any point TOUGH CURRENT expressed as voltage U1 and U2 does not exceed the following values For a c U1 35V peak and U2 0 35V peak For d c U1 1 0V Note The limit value of U2 0 35V peak for a c and U1 1 0V for d c correspond to the values 0 7 mA peak a c and 2 0 mA d c The limit value U1 35V peak for a c c...

Page 4: ...cted can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical chages sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leadse electrically shorted together by conductive foam a...

Page 5: ...4 3 Chasis Board Layout A C D E F B Board Name Function A Board MAIN PCB B Board INVERTER PCB C Board CONTROL PCB D Board AV PCB E Board E PHONE PCB F Board IR LED PCB ...

Page 6: ...hat the rear cover faces upward 2 Remove the fixing screw 2pcs 3 Remove the hinge cover 4 Remove the fixing screws 4pcs 5 Remove the tilt base 4 2 Removing the rear cover 1 Remove the tilt base See 5 1 2 Remove the fixing screw 10pcs 3 Remove the rear cover Hinge cover Tilt base ...

Page 7: ...e switch unit See 5 3 2 Remove the fixing screws 3pcs 3 Remove the C Board 4 5 Removing the E Board 1 Remove the rear cover See 5 2 2 Disconnect the coupler E1 3 Remove the fixing screws 2pcs 4 Remove the E Board 4 6 Removing the F Board 1 Remove the rear cover See 5 2 2 Disconnect the coupler F1 3 Remove the fixing screws 2pcs 4 Remove the F Board Swich unita Coupler C1 C Board Coupler E1 Coupler...

Page 8: ...amper and hook to free the cable 4 Remove the speaker units 4 9 Removing the BRKT hinge 1 Remove the rear cover See 5 2 2 Remove the fixing screws 6pcs 3 Remove the BRKT hinge 4 10 Removing the Shield pcb assy 1 Remove the Switch unit See 5 3 2 Remove the BRKT hinge See 5 9 3 Remove the fixing screws 10pcs 4 Disconnect the coupler A1 A2 A3 A4 E1 5 Remove the Shield pcb assy Coupler A1 Shield pcb a...

Page 9: ...ixing screws 4pcs 3 Disconnect the coupler A5 B1 B2 B3 B4 4 Remove the LCD panel 4 12 Removing the A board B board 1 Remove the LCD panel See 5 11 2 Remove the fixing screws 8pcs 3 Disconnect the coupler A6 4 Remove the A board B board Coupler B1 B2 Coupler B3 B4 Coupler A5 Coupler A6 B board A board ...

Page 10: ... to enter SERVICE 1 1 Set the channel to CH99 2 Press HOLD button on remote control Note To exit to Service mode press N or Power button on remote control 99 Panel R Drive G Drive B Drive Set for UK Yes Key Command Press the top and bottom key and select the functions Use left and right key to control the function values ...

Page 11: ...1 IC12 F 5 Q14 D 3 IC13 C 3 Q15 D 2 IC14 A 3 Q16 F 4 IC15 B 4 Q17 G 1 IC16 B 2 Q18 G 1 IC17 D 4 Q21 F 1 IC18 A 4 Q23 D 2 IC19 E 3 Q24 F 4 IC20 A 2 Q25 C 2 IC21 F 3 Q26 C 2 IC22 B 3 Q27 F 4 IC23 C 2 Q31 C 2 IC24 A 3 Q32 C 2 IC25 F 3 Q33 C 2 IC26 C 2 Q34 B 2 IC27 F 3 Q35 C 2 IC29 E 3 Q36 D 2 IC30 F 4 Q37 D 2 IC31 C 2 Q38 D 2 IC33 C 1 Q39 C 2 IC34 B 1 Q40 C 2 IC35 E 4 Q41 C 2 IC38 B 3 IC39 B 4 IC40 B...

Page 12: ...11 Conductor Views 6 2 MAIN PCB BOTTOM ...

Page 13: ... Indicates the major signal flow Video Audio 10 This schematic diagram is the latest at the time of printing and subject to change without notice Z T m NP M Remarks 1 The Power Circuit contains a circuit area which uses a separate power supply to isolate the earth connection The circuit is defined by HOT and COLD indications in the schematic diagram Take the follwing precautions All circuits excep...

Page 14: ...13 Block and Schematic Diagrams 7 2 Signal Block Diagram ...

Page 15: ...14 Block and Schematic Diagrams 7 3 Power Schematic Diagram ...

Page 16: ...15 Block and Schematic Diagrams 7 4 VCTI Schematic Diagram ...

Page 17: ...16 Block and Schematic Diagrams 7 5 Input Schematic Diagram ...

Page 18: ...17 Block and Schematic Diagrams 7 6 Memory AMP Schematic Diagram ...

Page 19: ...18 Block and Schematic Diagrams 7 7 AD9883 Schematic Diagram ...

Page 20: ...19 Block and Schematic Diagrams 7 8 Deinterlace Schematic Diagram ...

Page 21: ...20 Block and Schematic Diagrams 7 9 SDRAM Schematic Diagram ...

Page 22: ...21 Block and Schematic Diagrams 7 10 Image Processor Schematic Diagram ...

Page 23: ...22 Block and Schematic Diagrams 7 11 LVDS KEY Schematic Diagram ...

Page 24: ...23 8 Parts Location Mechanical Replacement Parts List 23 17 16 22 2 20 13 10 6 15 24 5 14 21 19 7 18 12 1 9 4 8 25 3 26 27 11 8 1 Parts Location ...

Page 25: ...24 Parts Location Mechanical Replacement Parts List 8 2 Packing Exploded View ...

Page 26: ... TAPPTITE TT2 WAS 3X10 MFZN LOC PARTCODE PARTNAME DESCRIPTION REMARK SP01B 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN ZZ290 PTMPMSA941 PCB MAIN MANUAL AS DLP 1712LHS F001 5FWPS1022L FUSE WIDE TL 250V 1A CASE F002 5FWPS1022L FUSE WIDE TL 250V 1A CASE IC12 1TS0P34838 IC PREAMP TSOP34838SJ IC29 149XYFPYCP IC TV PROCESSORS VCT49XYF PY C7 IC3 1TDA1517PP IC TDA1517P IC30 1TDA1517PP IC TDA1517P IC31 124...

Page 27: ...HIP CERA 50V X7R 0 1MF K 1608 C263 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK C264 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C265 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C266 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C268 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C269 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C27 HCBK104KBA C CHIP CERA 50V X7R ...

Page 28: ...608 R234 HRFT101JBA R CHIP 1 10 100 OHM J 1608 R235 HRFT101JBA R CHIP 1 10 100 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK R236 HRFT101JBA R CHIP 1 10 100 OHM J 1608 R237 HRFT101JBA R CHIP 1 10 100 OHM J 1608 R238 HRFT101JBA R CHIP 1 10 100 OHM J 1608 R239 HRFT101JBA R CHIP 1 10 100 OHM J 1608 R24 HRFT241JBA R CHIP 1 10 240 OHM J 1608 R243 HRFT000 BA R CHIP 1 10 0 OHM 1608 R244 HRFT000 BA ...

Page 29: ...LECTRO 16V 47MF CM 5053 C261 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK C267 HCELF220MC C CHIP ELECTRO MV 16V 22MF 5 0DX5 2H C273 HCELF220MC C CHIP ELECTRO MV 16V 22MF 5 0DX5 2H C275 HCELC102ME C CHIP ELECTRO 6 3V 1000MF CM 8010 C281 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C282 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C283 HCBK104KBA C CHIP CERA 50V...

Page 30: ... COIL 10UH K NLCV25T PF L31 HLC479J00A L CHIP COIL 4 7UH MLF2012 L32 HLC189K00A L CHIP COIL 1 8UH K MLF 2012 L33 HLC100K03B L CHIP COIL 10UH K NLCV25T PF LOC PARTCODE PARTNAME DESCRIPTION REMARK L36 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 2012S L37 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 2012S L38 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 2012S L39 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 201...

Page 31: ...8 HRFT332JBA R CHIP 1 10 3 3K OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK R179 HRFT103JBA R CHIP 1 10 10K OHM J 1608 R180 HRFT101JBA R CHIP 1 10 100 OHM J 1608 R181 HRFT103JBA R CHIP 1 10 10K OHM J 1608 R182 HRFT271JBA R CHIP 1 10 270 OHM J 1608 R183 HRFT103JBA R CHIP 1 10 10K OHM J 1608 R184 HRFT103JBA R CHIP 1 10 10K OHM J 1608 R187 HRFT271JBA R CHIP 1 10 270 OHM J 1608 R188 HRFT472JBA R...

Page 32: ...CHIP 1 10 1 2K OHM J 1608 R86 HRFT332JBA R CHIP 1 10 3 3K OHM J 1608 R87 HRFT122JBA R CHIP 1 10 1 2K OHM J 1608 R9 HRFT271JBA R CHIP 1 10 270 OHM J 1608 R92 HRFT102JBA R CHIP 1 10 1K OHM J 1608 R93 HRFT752JBA R CHIP 1 10 7 5K OHM J 1608 R97 HRFT332JBA R CHIP 1 10 3 3K OHM J 1608 R98 HRFT103JBA R CHIP 1 10 10K OHM J 1608 R99 HRFT102JBA R CHIP 1 10 1K OHM J 1608 RP1 HRTS8E470J R CHIP ARRAY 1 16 8P 4...

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