NEC NP60 NP40/50/60 UM - Page 55

Maintenance - cooling pump replacement

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SOURCE ON/STAND BY SELECT ADAJ.UTO FOCUS POWSETRATLUASMP 6. Maintenance This section describes the simple maintenance procedures you should follow to clean the focus sensor, lens and replace the lamp and the cooling pump. ➊ Cleaning the Lens and Focus Sensor Cleaning the lens Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens. Cleaning the focus sensor Use a blower or lens paper to clean the focus sensor. Keep finger prints off the focus sensor. Leaving finger prints in the focus sensor might cause poor focus or short auto focus range. SOURCE ON/STAND BY SELECT ADAJ.UTO FOCUS POWSETRATLUASMP ➋ Cleaning the Cabinet 1. Turn off the projector before cleaning. 2. Vacuum the ventilation inlet of the cabinet. PC CONTROL COMPUTER IN VIDEO IN S-VIDEO IN POWSETRATLUASMP ON/STAND BY FOCUS ADAJU. TO SELECT SOURCE AC IN 47

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47
6. Maintenance
This section describes the simple maintenance procedures you should follow to clean the focus sensor, lens and
replace the lamp and the cooling pump.
➊
Cleaning the Lens and Focus Sensor
Cleaning the lens
Use a blower or lens paper to clean the lens, and be careful not to scratch or mar the lens.
Cleaning the focus sensor
Use a blower or lens paper to clean the focus sensor.
Keep finger prints off the focus sensor. Leaving finger prints in the focus sensor might cause poor focus or short
auto focus range.
➋
Cleaning the Cabinet
1. Turn off the projector before cleaning.
2. Vacuum the ventilation inlet of the cabinet.
LAMP
STATUS
POWER
ON/STAND BY
SOURCE
AUTO
ADJ.
SELECT
FOCUS
LAMP
STATUS
POWER
ON/STAND BY
SOURCE
AUTO
ADJ.
SELECT
FOCUS
LAMP
STATUS
POWER
S-VIDEO IN
VIDEO IN
COMPUTER IN
PC CONTROL
SOURCE
AUTO
ADJ.
SELECT
ON/STAND BY
FOCUS
AC IN