Adjustments; Service Functions Of Buttons In Front Panel - Sony SDM-X82 Service Manual

2-1. Service Functions of Buttons in Front Panel

The following functions are available for servicing the set.
1. To display the model information
Press the MENU button for five seconds or more in the ordinary power-on state,
and the following information is displayed on the screen:
- Model name
- Serial number
- Manufactured year and week
This function is described in the instruction manual also.
2. To display ETI (Elapsed Time Indicator)
Press the OK button for five seconds or more in the ordinary power-on state, and
the cumulative power-on time excluding the power-off and power saving state is
displayed on the screen.
3. All mode recall
Press the POWER button with pressing the OK button in the power-off state, and
the user memory is completely cleared and the system is reset to the factory setting.
This reset is similar to RESET in the OSD menu, but differs from it in the
following:
- The NO SYNC AGING flag is cleared.
- LANGUAGE is set to ENGLIDH.
- INPUT is set to INPUT1: DVI-D.
4. To set the NO SYNC AGING flag
Press the POWER button with pressing the UP (↑) button in the power-off
state, and the NO SYNC AGING flag is set. In this setting, when the input with no
input signal is selected, the system goes into the AGING mode.
The NO SYNC AGING flag is held until it is cleared. To clear the NO SYNC
AGING flag, go into the service mode and then set the AGING mode to OFF, or
execute the all mode recall.
SECTION 2

ADJUSTMENTS

5. To enter the service mode
Press the POWER button with pressing the UP (↑) and DOWN (↓)
buttons in the power-off state, and the system is set to the service mode. The service
mode will be explained later.
To exit from the service mode, turn off the power.
6. To copy EDID to the EEPROM and to clear ETI
Press the POWER button with pressing the UP (↑) and OK buttons in the
power-off state, and the data for the model information are copied to the EEPROM
for the internal microcontroller from EDID of INPUT2: HD15, and the model
information display is made correct.
When replacing the A board, this operation is required after writing EDID and at
the same time ETI is reset to 0.
7. To enter the ISP mode
Turn on the MAIN POWER switch with pressing the DOWN (↓) button in the
main-power-off state, and the system enters the ISP mode. The POWER LED goes
off, and both input LED's 1 and 2 light on, and the picture disappears, and any
button becomes invalid.
In the ISP mode, the internal software can be updated with an external personal
computer using a special fixture.
To cancel the ISP mode, turn off the MAIN POWER switch.
SDM-X82(E) 2-1