Monday, November 19, 2012

HITACHI: Change of power supply from type 17PW15-8 & 17PW15-9 to 17PW20 _ Service Help






     Change of power supply from type 17PW15-8 & 17PW15-9 to 17PW20 the original power supply, version 17PW15-8 & 17PW 15-9 has now been changed to the later version 17PW20

     When fitting the new power supply, it may also be necessary to replace two cables with a new type as described below.

     There is one new part number to replace all this new part number will supply a kit that includes the power supply and the necessary new cable which you should use if required remove the following connecting leads used with power board 17PW15-8
  • Remove cable from power board connnector PL806 going to mainboards MB15E-5 or MB15E-7 connector PL902. 
  • Remove cable from power board connector PL805 going to mainboards MB15E-5 or MB15E-7 connector PL900 .

Replace the two cables with the new cable type: order new cable part number ‘VS30049856’
Changes:
Insert new cable:
  • On the power board connect 12 pin connector of the new cable to PL805
  • On the main board:  connect the 7 pin connector of the new cable to PL902 and 12 pin connector to PL900.

Hitachi: fitting new main board type MB15E-7


Models: Hitachi 26LD6600 & 26LD6600 A_B_ C_D, 32LD8A10, 37LD6600, 37lLD600a, 37LD8600, 37LD8700C, 37LD8700U LCD TV.

     Fitting new main board type MB15E-7 when new main board type MB 15E-7 is replaced instead of main board type MB15D-5 the following changes have to be made.
  • Remove and discard cable between audio board (AMP05) connector  PL709 and main board connector PL1001.
  • Remove and discard cable between audio board (AMP05) connector PL704 to main board connector PL903
changes: Order new cable part number ‘VS30051586’

Insert new cable: on the main PCB connect 6 pin connector of the new cable to PL1004.

     On the audio PCB you must first check the version of audio PCB fitted to the TV.
  • For audio PCB version AMP05: Connect the 5 pin connector of the new cable to PL709 and 2 pin connector to PL704.
  • For audio PCB version AMP03 : connect the 5 pin connector of the new cable to PL709.

  • As PL704 does not exist on this version the 2 pin connector must be removed and the cable then soldered to legs of D700 and D701.

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