Method Of Adjustments - NEC PX-50XM4 series Service Manual

METHOD OF ADJUSTMENTS

■Adjusting conditions
Adjustments should be carried out in the procedures of A to C specified below. However, any
adjustments other than the items A to C below are not required.
■Adjusting items
1. Clearing of the usage time (Using the remote control)
(1) Press the keys in the order of [POWER ON] → [POWER ON] → [EXIT] → [DISPLAY] in order to
enter the factory adjustment menu.
(2) Press the [MENU/ENTER] key to select the [USAGE TIME] menu (8/11). Then, the integrated time
[34567 (hours)] (example) accumulated till the present time is displayed when the main power supply
is turned on (except for the standby mode).
(3) When the keys are pressed in the order of [MUTE] → POSITION/CONTROL [
POSITION/CONTROL [
characters of [RESET] are displayed for about 5 seconds on the right side of time display.
A. When the "PDP module" is replaced, adjustments should conform to the
adjusting items of [1 and 2] specified below.
B. When the "POWER UNIT" is replaced, adjustments should conform to the
adjusting item of [2] specified below.
C. When the "MAIN PWB" is replaced, adjustments should conform to the
adjusting item of [3] specified below.
USAGE TIME
232C-ALARM
[MENU/ENTER] NEXT
] → [OFF TIMER], the display is cleared to [00000H]. At that time, the
USAGE TIME
232C-ALARM
[MENU/ENTER] NEXT
34567H
RX 0
T X 0
[EXIT] PREV 8/11
00000H RESET
RX 0
T X 0
[EXIT] PREV 8/11
6-1
CONFIDENTIAL
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