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1. Safety Precautions

2

1.1 General 

Guidelines

2

1.2 Touch-Current 

Check

2

2. Prevention of Electro Static Discharge(ESD) to

Electrostatically Sensitive(ES) Devices

3

3. Chasis Board Layout

4

4. Servicing method

5

4.1  Removing the tilt base

5

4.2  Removing the rear cover

5

4.3  Removing the Switch Unit

6

4.4  Removing the C-Board

6

4.5  Removing the E-Board

6

4.6  Removing the F-Board

6

4.7  Removing the D-Board

7

4.8

Removing the Speaker Unit

7

4.9  Removing the BRKT hinge

7

4.10 Removing the Shield pcd assy

7

4.11 Removing the LCD Panel

8

4.12 Removing the A-Board, B-Board

8

5. Service Mode Function

9

5.1  How to enter SERVICE 1

9

1

Design and Specifications are subject to change without notice.
Weight and Dimensions shown are approximate.

WARNING

This service information is designed for experienced repair technicians only and 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 could result in serious injury or death.

6. Conductor Views

10

6.1 MAIN 

PCB(TOP)

10

6.2 MAIN 

PCB(BOTTOM)

11

7. Block and Schematic Diagrams

12

7.1  Schematic Diagram Notes

12

7.2  Power Block Diagram

13

7.3  Power Block Diagram

14

7.4  VCTI Block Diagram

15

7.5  Input Block Diagram

16

7.6  Memory AMP Schematic Diagram

17

7.7  AD9883 Schematic Diagram

18

7.8  Deinterlace Schematic Diagram

19

7.9  SDRAM Schematic Diagram

20

7.10  Image Processor Schematic Diagram

21

7.11  LVDS, KEY Schematic Diagram

22

8. Parts Location & Mechenical Replacement 

Parts List

23

8.1 Part 

Location

23

8.2  Packing Exploded View

24

9. Service Parts List

25

Contents

Содержание Viera TX-17LX2

Страница 1: ...1 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 recor...

Страница 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 e...

Страница 3: ...k 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...

Страница 4: ...ted 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 replace...

Страница 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...

Страница 6: ...at 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...

Страница 7: ...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...

Страница 8: ...mper 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...

Страница 9: ...xing 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 coupl...

Страница 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 Ye...

Страница 11: ...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...

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

Страница 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 circu...

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

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

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

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

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

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

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

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

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

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

Страница 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...

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

Страница 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...

Страница 27: ...IP 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...

Страница 28: ...08 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...

Страница 29: ...ECTRO 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...

Страница 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 HF...

Страница 31: ...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 O...

Страница 32: ...HIP 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 HRF...

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