HITACHI CPX870
Manual de Servicio

(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
CNBAR

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.
CNPWR CNPW2 TSW2 CNPW1

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).

TSW

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).

CP-X870

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

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

CNPWR

Ballast board

Power supply board

Connect the CNTH cable to sensor board connector E950.
CNBAR

CNTH

#3054 lead

J1
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)