ViewSonic VS10848-1M Service Manual page 21

Step 1: Getting COMPONENT 1 connect to 1080i signal. (The settings could not be saved if signals input from
COMPONENT 2 or connect to other sources such as 720P, 480P, 480i.....,etc.)
Step 2: WHITE BALANCE ADJUSTMENT OF Component—
1. Repeat the above mentioned step 1 to 2
2. Press ▲ and ▼ to scroll to PE328 FE ADC page 2-2 options
3. Press ◄ and ► to adjust the Offset Red and Off Blue settings.
4. Press ◄ and ► to adjust the Offset Green setting. ( Brightness Adjustment)
5. Press ◄ and ► to adjust the Gain Green setting. (Contrast Adjustment)
6. Press ▲ and ▼ to scroll to 480i/480P/720P Parameter=1080i setting and press ► to run the setting.
(This procedure will copy the setting of 1080i to 480i/480P/720P)
7. Press ▲ and ▼ to scroll to HD2 Parameter=HD1 and press ► to run the setting. (This procedure will
copy the setting of HD1 to HD2)
8. Press WIDE to save the new settings and exit.
WHITE BALANCE ADJUSTMENT OF PC INPUT
1. Connecting to VGA Timing mode
2. Under service mode, Press ▲ and ▼ to scroll to PE328 FE ADC page 2-2 options
3. Press ◄ and ► to adjust the Offset Red, Offset Green and Off Blue settings.
4. Press ◄ and ► to adjust the Gain Red and Gain Blue settings.
5. Press WIDE to save the new settings and exit.
OPERATION OF RS232 WRITING
(1) RS-232 mounted on the Main Board was the main interface writing new firmware. You can update new
firmware to U39 by RS232.
(2) Writing firmware need following equipment:
1. RS232 interface built in PC.
2. RS232 cable
3. Pixelworks Flash Upgrader software
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