Sharp LC-32D62U Service Manual page 32

LC-32D62U/LC-37D62U 1st
7.3. Adjusting procedure by use of [RS-232C]
1. Get ready the PC with COM port (RS-232C) running on Windows 95/98/ME/2000/XP operating system, as well as the RS-232C cross cable.
2. Start the unit with the RS-232C cable connected.
3. Start the terminal software. (The freeware readily available on the Internet will do.)
4. Make the following settings.
Baud rate 9,600 bps
Data LENGTH 8 bit
Parity bit None
Stop bit 1 bit
Flow control None
5. If the settings are correct, the terminal software indicates "ERR" against pressing of the "ENTER" key.
6. After the settings are done correctly, it is possible to make an adjustment by typing in the command shown in the table below and pressing the
"ENTER" key on the keyboard.
7. Command entry is successful if the terminal software indicates "OK" when the "ENTER" is pressed. If "ERR" is shown, retry to enter the command.
8. Send the process mode switching command to switch from the RS232C operation mode to the process mode.
KRSW0001: "ERR" is returned.
KKT10037: When "OK" is returned, the process mode becomes active. When "ERR", start over from KRSW0001.
9. Send each adjustment command.
7.4. Key writing
1. EDID writing (Main PWB: QPWBXE028WJZZ)
Adjustment item
1 HDMI EDID writing
7.5. Factory settings
After making the factory settings, pull off the AC cord.
NOTE: Do not turn on the power once the factory settings have been made. Otherwise the factory settings must be made again.
Adjustment item
1 Factory settings Finally pull off the AC cord.
7.6. Software version
Change of software version is notified at a technical report.
* Main microprocessor
* Monitor microprocessor
* EDID data (HDMI)
Adjustment conditions
Inspection mode 1) Using the checker, write the analog HDMI EDID data to IC801/IC1501/IC1502 that
File version checking
2) Write the data before the HDMI inspection with the checker.
Adjustment conditions
•
•
The following settings are returned to the factory ones.
1) User settings
2) Channel data (broadcast frequencies, etc.)
3) Password setting
4) Operation time
5) Standby Cause
6) EZ SETUP flag
7) V-CHIP block setting
Adjustment procedure
are mounted on the main PWB.
TL833/1508/1510: I2C clock, TL834/1509/1511: I2C data
TL831/1512/1513: 5V, TL835/1519/1518: GND
TL832/1534/1535: write protection (H: WP, Low: write enable)
(If the EDID has not been written, the HDMI does not function normally.)
Adjustment procedure
Move the cursor to the [INDUSTRY INIT (+Cause)] line. Using the [VOL+/–] keys,
set this item ON and press the [ENT] key.
The version confirm window appears on the green screen. When [SUCCESS]
appears at the top, the factory settings are complete. (If an error occurs. [ERROR]
appears on the red screen.)
Finally turn off the AC power.
5 – 14