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Hitachi LE43M4S9 Service Manual
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Hitachi LE43M4S9 Service Manual

43”/ 48” led lcd tv
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Hitachi Service Manual
LE43M4S9 / LE48M4S9
 
 
H i t a c h i   A m e r i c a   L i m i t e d
2 4 2 0   F e n t o n   S t r e e t     S u i t e   2 o o
C h u l a   V i s t a     C A     9 1 9 1 4
 
 
43"/ 48" LED LCD TV
 
5 / 1 0 / 2 0 1 6
 
©  2015

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Summary of Contents for Hitachi LE43M4S9

  • Page 1         Hitachi Service Manual LE43M4S9 / LE48M4S9       43”/ 48” LED LCD TV   H i t a c h i   A m e r i c a   L i m i t e d 2 4 2 0   F e n t o n   S t r e e t     S u i t e   2 o o C h u l a  ...

  • Page 2: Table Of Contents

    Hitachi Service Manual LE43M4S9 / LE48M4S9   Table of Contents Service Cautions and Warnings …………….………..………… pg. 2 ~ 3 Features / Specifications ………………………………………… pg. 4 Block Diagram ………….………………………………………… pg. 5 ~ 6 Network Connection ..….………………………………………… pg. 7 ~ 9 Part List …………………….……………………………………… pg. 10 ~ 11 Power / Main Board …………...…………………………………...

  • Page 3: Service Cautions And Warnings

    Hitachi Service Manual LE43M4S9 / LE48M4S9   CAUTION: Be sure to read this manual before servicing. To ensure safety from fire, electric shock, injury,harmful radiation and materials, various measures are provided in this LCD TV. Be sure to read cautionary items described in the manual before servicing. These servicing instructions are for use by qualified service personnel only.
  • Page 4 Hitachi Service Manual LE43M4S9 / LE48M4S9                          © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        3  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

  • Page 5: Features / Specifications

    Hitachi Service Manual LE43M4S9 / LE48M4S9   Features / Specifications                                  © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        4  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

  • Page 6: Block Diagram

    Hitachi Service Manual LE43M4S9 / LE48M4S9   BLOCK DIAGRAMS                              © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        5  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 7 Hitachi Service Manual LE43M4S9 / LE48M4S9   BLOCK DIAGRAMS                            © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        6  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

  • Page 8: Network Connection

    Hitachi Service Manual LE43M4S9 / LE48M4S9                          © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        7  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 9 Hitachi Service Manual LE43M4S9 / LE48M4S9   Network – cont                                   © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        8  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 10 Hitachi Service Manual LE43M4S9 / LE48M4S9   Network – cont                           © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        9  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

  • Page 11: Part List

    Call Center. They will have the latest information on how to determine which board or assembly is causing the problem. Warranty Servicers should call: 800-654-7013 This product is serviced at the board/assembly level. Hitachi does NOT support component level service of this model. Functional Parts available include:...
  • Page 12 Call Center. They will have the latest information on how to determine which board or assembly is causing the problem. Warranty Servicers should call: 800-654-7013 This product is serviced at the board/assembly level. Hitachi does NOT support component level service of this model. Functional Parts available include: 1) Main Board –...

  • Page 13: Power / Main Board

    Hitachi Service Manual LE43M4S9 / LE48M4S9   MAIN BOARD / POWER SUPPLY                          © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        12  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

  • Page 14: Disassembly

    Hitachi Service Manual LE43M4S9 / LE48M4S9   DISASSEMBLY  The legs must be removed. Do not remove the entire back, just the portion shown.                                © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        13  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 15 Hitachi Service Manual LE43M4S9 / LE48M4S9    –                                   © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        14  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 16 Hitachi Service Manual LE43M4S9 / LE48M4S9   Closeup of connectors on main board.                              © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        15  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

  • Page 17: Service Mode / Software Updates

    Hitachi Service Manual LE43M4S9 / LE48M4S9   Service Mode (Great Care Should Be Taken When in the Service Mode) (never give Service Mode instructions to an end user) Press the Menu key on the remote; Select Setting and press OK to enter Setting submenu; Select Picture and press OK to enter Picture submenu;...

  • Page 18: Troubleshooting

    Hitachi Service Manual LE43M4S9 / LE48M4S9   Troubleshooting On this model, the main board and the power supply are the same board.                        © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        17  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 19 Hitachi Service Manual LE43M4S9 / LE48M4S9   Troubleshooting (cont)                        © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        18  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 20 Hitachi Service Manual LE43M4S9 / LE48M4S9                          © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        19  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 21 Hitachi Service Manual LE43M4S9 / LE48M4S9   Troubleshooting (cont)                        © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        20  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 22 Hitachi Service Manual LE43M4S9 / LE48M4S9   Troubleshooting (cont)                        © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        21  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 23 Hitachi Service Manual LE43M4S9 / LE48M4S9   Troubleshooting (cont)                        © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        22  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 24 Hitachi Service Manual LE43M4S9 / LE48M4S9   Troubleshooting (cont) NON-WARRANTY PANEL ISSUES If a panel is physically damaged right out of the box, the dealer must file a claim for the damaged product. Be sure everyone is advised to keep the box for inspection and/or pictures.

  • Page 25: Schematics

    Hitachi Service Manual LE43M4S9 / LE48M4S9   Schematics                           © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        24  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 26 Hitachi Service Manual LE43M4S9 / LE48M4S9   Schematics                             © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        25  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 27 Hitachi Service Manual LE43M4S9 / LE48M4S9   Schematics                           © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        26  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 28 Hitachi Service Manual LE43M4S9 / LE48M4S9   Schematics                         © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        27  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 29 Hitachi Service Manual LE43M4S9 / LE48M4S9   Schematics                           © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        28  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 30 Hitachi Service Manual LE43M4S9 / LE48M4S9   Schematics                         © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        29  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...
  • Page 31 Hitachi Service Manual LE43M4S9 / LE48M4S9   INTENTIONALLY LEFT BLANK                        © Copyright 2015 All rights reserved  Hitachi America, Ltd. – Digital Media Division                        30  2420 Fenton St., Suite 200  Chula Vista CA  91914 ...

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