Sharp PN-80TC3, Service Manual

Page: 71 / 210

PN-L803C/80TC3 SERVICE MENU/VARIOUS SETTING TOOL OPERATING PROCEDURES 4- 5
5. HARDWARE CHECK
This machine is provided with the function to watch for any abnormality in the hardware.
*When an error occurs in the hardware (internal power voltage), the message of STATUS [XXXX] is displayed.
The power lamp flashes in red. (It differs depending on the setting of " STATUS ALERT" of the FUNCTION.)
*When only a temperature error occurs, the message of "TEMPERATURE" is displayed on the loft lower section of the screen.
The power lamps of red and green flash alternatively. (It differs depending on the setting of "TEMPERATURE ALERT" of the FUNCTION.)
*The error position can be checked. There are following four methods.
5 – 1. METHOD1
1) SERVICE MENU 2 is displayed.
2) Select "HARDWARE CHECK" with [VOL + (  )], [VOL - ( ↓ )] keys,
and press [ENTER] key. "HARDWARE CHECK" menu is
displayed.
3) The watch result and the current measurement value of the
hardware are displayed.
Watch result
"OK" or "NG" is displayed.
After turning ON the power, if an
abnormality occurs to be "NG" once, the
"NG" state is kept until the main power is
turned OFF.
Measurement
value
The measurement value at the time is
displayed when HARDWARE CHECK menu
is displayed.
The measurement value at the time when
an abnormality occurred is saved in the log
data.
The measurement value of the internal voltage displayed is the
A/D conversion value.
The normal range is as shown below.
Item Default value
SYSTEM POWER1 (OFF) 0 - 255
SYSTEM POWER2 TP 5V 155 - 230
SYSTEM POWER3 SP 13V 90 - 145
SYSTEM POWER4 CTL 13.5V 92 - 145
SYSTEM POWER5 12V2 130 – 190
BACKLIGHT LED MODULE 0
TOUCH PANEL
TOUCH PANEL
MODULE
0
4) For the countermeasures against NG positions.
-> Refer to page "8. THE RED LED FLASHES".
-> Refer to page "9. THE LED LIGHTS UP IN ORDER OF
RED .
5) Press [MENU] key to return to the previous screen, and
terminate the operation.
5 – 2. METHOD2
1) Send "HTST0000" command.
2) Result is returned.
(MEMO)
- Since this model does not monitor SYSTEM POWER3, “OFF” or
“ - ” is displayed.
S ERVICE1
S ERVICE2
S ERVICE 3
AGING =>
SERVICE MENU2 1/2
FACTORY RESET =>
MODEL TYPE XX
HARDWARE CHECK =>
EDID UPDATE =>
CALIBRATION
WHITE BALANCE SETTING =>
END [RETURN]
GAMMA SETTING =>
OK [ENTER]