Sony HCD-VX888 is the tuner, deck, Video CD and amplifier section in MHC-VX888
Service Manual and Circuit Diagram
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Sony HCD-VX888 is the tuner, deck, Video CD  and amplifier section in MHC-VX888 <br>Service Manual and Circuit Diagram  <br> <font color=red>New!</font>
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This Sony HCD-VX888 is the tuner, deck, Video CD and amplifier section in MHC-VX888 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. GENERAL ................................................................... 4

2. DISASSEMBLY

2-1. Disassembly Flow ........................................................... 7
2-2. Case (Top) ....................................................................... 8
2-3. Loading Panel .................................................................. 8
2-4. CD Mechanism Deck (CDM58E-30BD61A) ................ 9
2-5. Front Panel Section ......................................................... 9
2-6. Tape Mechanism Deck (TCM-230AWR41)................... 10
2-7. Back Panel Section .......................................................... 10
2-8. Main Board ...................................................................... 11
2-9. LEAF SW Board, HEAD (A) Board, HEAD (B) Board ............................................................ 11
2-10. Base Unit (BU-30BD61A).............................................. 12
2-11. VIDEO Board, DRIVER Board ..................................... 12
2-12. MOTOR Board, ADDRESS SENSOR Board ................ 13

3. TEST MODE ............................................................... 14

4. MECHANICAL ADJUSTMENTS ........................ 17

5. ELECTRICAL ADJUSTMENTS .......................... 17

6. DIAGRAMS

6-1. Block Diagram – TUNER/CD Section –....................... 23
6-2. Block Diagram – MAIN Section – ................................ 24
6-3. Block Diagram – DISPLAY/POWER Section – ........... 25
6-4. Block Diagram – VIDEO CD Section – ........................ 26
6-5. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 27
6-6. Schematic Diagram – BD Board – ................................ 28
6-7. Printed Wiring Board – BD Board – ............................. 29
6-8. Schematic Diagram – MAIN Board (1/4) – .................. 30
6-9. Schematic Diagram – MAIN Board (2/4) – .................. 31
6-10. Schematic Diagram – MAIN (3/4)/HEAD Board – ...... 32
6-11. Schematic Diagram – MAIN Board (4/4) – .................. 33
6-12. Printed Wiring Board – MAIN Board – ........................ 34
6-13. Schematic Diagram – VIDEO SWITCH Board – ......... 35
6-14. Printed Wiring Boards – HEAD (A)/(B) Board – ......... 35
6-15. Printed Wiring Board – VIDEO SWITCH Board – ...... 35
6-16. Schematic Diagram – POWER AMP/SENSOR Board – ................................ 36
6-17. Printed Wiring Boards – POWER AMP/SENSOR Board – ................................ 37
6-18. Schematic Diagram – PANEL Board –.......................... 38
6-19. Printed Wiring Board – PANEL Board – ....................... 39
6-20. Schematic Diagram – CD SWITCH/PAD SWITCH Board – ........................ 40
6-21. Printed Wiring Boards – CD SWITCH/PAD SWITCH Board – ........................ 41
6-22. Schematic Diagram – LEAF SW Board – ..................... 42
6-23. Printed Wiring Board – LEAF SW Board – .................. 42
6-24. Schematic Diagram – ADDRESS SENSOR/DRIVER/MOTOR Board –...... 43
6-25. Printed Wiring Boards – ADDRESS SENSOR/DRIVER/MOTOR Board –...... 43
6-26. Schematic Diagram – VIDEO Board (1/3) – ................ 44
6-27. Schematic Diagram – VIDEO Board (2/3) – ................ 45
6-28. Schematic Diagram – VIDEO Board (3/3) – ................ 46
6-29. Printed Wiring Board – VIDEO Board – ....................... 47
6-30. Schematic Diagram – MAIN TRANS/SUB TRANS Board – ....................... 48
6-31. Printed Wiring Boards – MAIN TRANS/SUB TRANS Board – ........................ 49
6-32. IC Pin Function Description ........................................... 55

7. EXPLODED VIEWS

7-1. Cabinet Section ............................................................... 60
7-2. Front Panel Section ......................................................... 61
7-3. Main Board Section ........................................................ 62
7-4. CD Mechanism Deck Section (CDM58E-30BD61A) ... 63
7-5. Base Unit Section (BU-30BD61A) ................................ 64
7-6. Tape Mechanism Deck Section-1 (TCM-230AWR41) .... 65
7-7. Tape Mechanism Deck Section-2 (TCM-230AWR41) .... 66

8. ELECTRICAL PARTS LIST .................................. 67

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

  prakashmm gowda 2013-04-27 09:26:02  
  Great utility i reseted my epson me office 620f within 5 minits in bangalore great utility
  RAMA MOHAN 2012-09-26 17:42:02  
  thankyou the reset only took second thankyou again dont suppose you know an easy way to replace the ink pads
  Wesley Pritchard 2004-02-07 21:55:21  
  The only way to really adjust you printer is by using this program. The owner the printer could not adjust the print using the regular adjustmest utility incleuded in the printer drivers. But this program did the trick. The printer is perfectly adjusted and the owner is very happy with the printer now.
  paulo ishikawa 2014-12-28 09:00:00  
  tnx so much! =) i just reset my epson L1300, it only took 1-2mins and my printer is now back online
  Ernest Wolniak 2016-08-17 20:24:52  
  the rester reset epson P600 with at26fb firmware
  Rudisi riccardo 2020-08-29 17:26:03  
  Thank you so much. Its so easy and fast to reset. It works so well
  Anonymous 2015-08-12 04:18:50  
  very easy! Buy Key, Open Program, Enter Key. You are all set!
Make sure to actually check your waste ink pads or install an external tank. Great I can finally squeeze the life out of my printer. Epson scam artist want you to send it back so they can sell as a refurbished model. I really don\'t know why epson doesn\'t just make this program available them self for free? Until then I can pay $10 instead of a new epson. Tested on WF7510. Owner of Epson WF7110 - New arrival looks to be good so far Epson WF7510 - Good Scanner Epson WF7010 - Work Horse Epson WF1100 - Second worse Epson WF30 - worst one Epson c88 - Ancient
  Nhu Nhu Quynh 2007-10-30 02:44:55  
  Cam on Epson da cho toi duoc la mot thanh vien trong chuong trinh Thank!
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Service Manual and Circuit Diagram
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