Sony KLV-26V300A, KLV-32V300A, KLV-40V300A, KLV-46V300A
Service Manual and Circuit Diagram
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Sony KLV-26V300A, KLV-32V300A, KLV-40V300A, KLV-46V300A <br>Service Manual and Circuit Diagram  <br> <font color=red>New!</font>
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This Sony KLV-26V300A KLV-32V300A KLV-40V300A KLV-46V300A Service Manual and Circuit Diagram
. This service information is designed for experienced repair technicians only and not designed for use by the general public.


TABLE OF CONTENTS

1. DISASSEMBLY

1-1. Rear Cover Removal .................................................... 7
1-2. Vesa Bracket Assembly Removal ................................ 9
1-3. H1 Board Removal .................................................... 11
1-4. U1 Board Removal .................................................... 11
1-5. G1H Board Removal ................................................. 12
1-6. G3 and D1 Boards Removal ...................................... 13
1-7. DTT Shield, UT and BG1 Boards Removal ............. 14
1-8. D2 Board Removal .................................................... 15
1-9. Inlet, AC (with noise filter) Removal ........................ 15
1-10. Speaker, H3 and H4 Boards Removal ....................... 17
1-11. LCD Panel Removal .................................................. 18

2. WIRE DRESSING

2-1. (KLV-26V300A) ...................................................... 20
2-2. (KLV-32V300A) ...................................................... 22
2-3. (KLV-40V300A) ...................................................... 25
2-4. (KLV-46V300A) ...................................................... 29

3. SERVICE ADJUSTMENTS

3-1. How to enter Service Mode ....................................... 34
3-2. Signal Level Adjustment ........................................... 34
3-3. Gamma Adjustment ................................................... 36
3-4. White Balance Adjustment ........................................ 37
3-5. Panel Replacement ..................................................... 38
3-6. Board Replacement .................................................... 38

4. DIAGRAMS

4-1. Block Diagram ........................................................... 39
4-1-1. BG1 (1/3) Block Diagram .............................. 39
4-1-2. BG1 (2/3), H1, H3, H4 and UT Diagrams ..... 40
4-1-3. BG1 (3/3) and U1 Diagrams ........................... 42
4-2. Circuit Boards Location ............................................ 44
4-3. Schematic Diagram Information ............................... 44
4-3-1. BG1 Board — (001) ....................................... 45
4-3-2. BG1 Board — (002) ....................................... 46
4-3-3. BG1 Board — (003) ....................................... 48
4-3-4. BG1 Board — (004) ....................................... 50
4-3-5. BG1 Board — (005) ....................................... 52
4-3-6. BG1 Board — (006) ....................................... 54
4-3-7. BG1 Board — (007) ....................................... 56
4-3-8. BG1 Board — (008) ....................................... 58
4-3-9. BG1 Board — (009) ....................................... 60
4-3-10. G1H, G3, D1 & D2 Boards Schematic Diagram .................................................... 62
4-3-11. H1 Board Schematic Diagram ...................... 63
4-3-12. H3 Board Schematic Diagram ...................... 64
4-3-13. H4 Board Schematic Diagram ...................... 66
4-3-14. U1 Board Schematic Diagram ...................... 67
4-3-15. UT Board Schematic Diagram ..................... 69
4-4. Voltage Measurement and Waveforms ...................... 71
4-5. Printed Wiring Boards ............................................... 73
4-6. Semiconductors .......................................................... 81

5. EXPLODED VIEWS

5-1. Rear Cabinet and Stand Assy .................................... 83
5-2. Frame and Cover ........................................................ 85
5-3. Chassis-1 .................................................................... 87
5-4. Chassis-2 .................................................................... 88
5-5. H3, H4 Boards and Speaker ...................................... 90
5-6. Bezel Assy and LCD Panel ........................................ 91
5-7. Accessories and Packing Materials ........................... 92

6. ELECTRICAL PARTS LIST .............................................. 95

FORMAT: High resolution PDF document!
Zip archive: 12 250 kB

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We are in business since 2002 and do our best to give our customers perfect service!

  hugo murillo 2012-06-23 03:33:08  
  OKAY!!!!! Got an email with the numbers....got it done.....IT WORKED...... THANK YOU!!!! Hugo
  K A R Wright 2010-07-28 20:57:29  
  Have to confess I was a bit dubious about spending the money and whether it would be worthwhile, but am pleasantly surprised. Where others charge almost as much for a couple of single pages of info of little use, your manual is the complete one and indeed well worth the cost. Hoping it's going to enable my printer support guy to fully fix the problem with mine and save me having to shell out a LOT more to get another printer. Thanks.
  Randall Larsen 2020-05-23 17:18:16  
  I received my reset key for the printer and after entering it, printer was successfully reset. Thanks, Worked great.
  Saurabh Jain 2020-01-11 14:52:46  
  The service is very cheap and best. I got my printer working within a minutes.
  John Phillip Dandal 2019-08-20 03:47:03  
  Easy to use, but quite the rip off. Why can't it just be a free utility?
  Hugo Daniel Musso 2015-10-19 17:13:35  
  I have an Epson PX710w it is a brilliant printer, happy was I...but then....
the now infamous \"end of life\" message appeared.
After hours of research I found that Epson had a free download to reset and service printer, I downloaded only to find it did not work.
On contacting epsonuk I was told that there is no reset utility or program for uk Epson printers and that I must take it to my local Epson service centre.... this would cost £80 plus vat and parts! more than a new printer.
After advice from forums and many ebay offers of a \"genuine\" reset utility/key, I found 2manuals.com.
through them I \"chatted\" with John who assured me it would work, despite Epson uk advice, and so proceeded to purchase.
from start to finish it took less than ten minutes and I now have a fully working printer for a Meer $10 (about £8)
I cannot recommend this company any higher ..... thank you very much 2manuals and John and one up on big greedy corporation\'s.

Andrew in UK
  Mahendrakumar Tak 2017-02-27 10:43:04  
  Amazing Support, This is what happened, I had to think for more than 4 hours about the purchase and program authenticity. Finally decided to gamble, Registration 1 min Payment instant Call Back in 1 min Mail with key check 2 min Input key in WIC and reset 1 min VOILLA!!! Printer was ALIVE..Again.... Was an amazing purchase. P.S. I do not post reviews for any purchases made unless they are a real pain in the ..., or unless the product is amazing.
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Service Manual and Circuit Diagram
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