Read Sharp PN-U473 (serv.man2) Service Manual online
PN-U553/U473/U423 SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES 4 - 1
CHAPTER 4. SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES
1.
1.
OPERATING PROCEDURES
After pressing [SIZE] key on remote control for approx. 5 seconds (LED is flashing, "F" appears on upper left of the screen),
and then pressing [BRIGHT -（
←)] [VOL -（↓）] [BRIGHT +（→）][VOL +（↑）] keys in series, SERVICE MENU1 will be
displayed.
１-１．SERVICE MENU 1
Model name, S/N., firmware version/check sum, usage time etc
are indicated.
1) When entering SERVICE MENU, the following screen
appears:
2) When selecting MODEL/VERSION, the following screen
appears:
3)
When selecting USAGE TIME, the following screen appears:
[NOTE]
*Right after turning ON the main power switch, “Get
checksum. Please wait…” is displayed as check sum for a
while, and then the result is displayed.
* When ADJUSTMENT LOCK is set to the option other than
“OFF”, "F" is indicated in red. When OSA DISPLAY is set to
“OFF”, it is indicated in blue. In other cases, it is indicated
in green. (Red is prioritized as the color of "F" .)
[MODEL/VERSION]
MODEL
Model name
S/N
Serial number
VER(MAIN)
Version of the main firmware
C/S(MAIN)
Check sum of the main firmware (capital character)
VER(SUB)
Version of the sub firmware
C/S (SUB)
Check sum of the sub firmware (capital character)
VER(LAN)
Version of the firmware for LAN control
C/S (LAN)
Check sum of the firmware for LAN control (capital
character)
VER(CPLD)
Version of CPLD
[USAGE TIME]
RESETABLE ON
Indicate the power-ON time (can reset)
UNRESETABLE ON
Indicate the power-ON time (cannot reset)
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