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Service Manual

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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of HITACHI CPX870 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 32 (click to view)
(3) Power supply board block wiring (for board block sub-assembly construction) (a) Wiring after lapping the ballast holder over the power supply board

(c) Wiring for lapping the ballast board over the power supply board

Ballast board

Lay the CNBAR lead illustrated so no lead slack can be left. (Pass the CNBAR lead through the notch Ballast board.) #3054
Power supply air intake fan

Lay the #3054 (Power supply air in take fan) lead at the width side of the fan.

Power supply board

Pass these 3 cables through the notch on the power supply board holder and tense them (since slack cables may contact the primary side of the power supply).


When lapping the ballast board over the power supply board, pull the CNBAR cable to the left (in the arrowed direction in the drawing below) (since the power supply air intake fan rotary blades contact the cable if the cable is at the right side).



(b) Wiring before lapping the ballast board over the power supply board

(d) Wiring after lapping the ballast board over the power supply board


Ballast board

Power supply board

Connect the CNTH cable to sensor board connector E950.


#3054 lead

Connect the CNPWR to connector J1 and check that the CNPWR is completely locked.

Lay the lamp leads near the power supply block without slacking the leads (to keep them away from the exhaust fan rotary blades).

Lamp lead

Lay the lamp leads along the power supply block groove.

Wiring diagram (C8XD)

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