LC-32XL8E/S/RU, LC-37XL8E/S/RU
3 – 1
LC32XL8E
Service Manual
CHAPTER 3.
ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE
1. Adjustment method after PWB and/or IC replacement due to repair
The unit is set to the optimum at the time of shipment from the factory. If any value should become improper or any adjustment is necessary due to
the part replacement, make an adjustment according to the following procedure.
1. Procure the following units in order to replace the main unit, IC3301, IC8101, IC3501, IC3502, IC8301, IC8302, IC8303, or IC8304.
NOTE: [Caution when replacing ICs in the main unit (IC1501/IC1502/IC1503/IC1505/IC2002)]
The above ICs are EEPROMs storing the EDID data of HDMI and the monitor microcomputer. Before replacing the relevant part, procure the
following parts in which the data have been rewritten.
2. After replacing the LCD panel or LCD control PWB, adjust the VCOM in the following procedure.
1) Enter the process adjustment mode.
2) Use the cursor keys
/
and P
/
of R/C to select the item [VCOM ADJ] on the page 10/14.
3) Press the OK key to verify that the adjustment pattern is displayed.
4) Use the +/- keys of VOL of R/C to adjust the flicker in the center of the screen to minimum.
5) When the optimal state is achieved in Step 4, press the OK key to turn the pattern to OFF.
2. Entering and exiting the adjustment process mode
1. Unplug the AC power cord of running TV set to force off the power.
2. While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power cord to turn on the power.
The letter “K” appears on the screen.
3. Next, hold down the “VOL (-)” and “P (
)” keys on the set at once.
Multiple lines of blue characters appearing on the screen indicate that the set is now in the adjustment Process mode.
If you fail to enter the adjustment process mode (the display is the same as normal startup), retry the procedure.
4. To exit the adjustment process mode after the adjustment is done, unplug the AC power cord to force off the power. (When the power is turned off
with the remote controller, once unplug the AC power cord and plug it in again. In this case, wait 10 seconds or so before plugging.)
3. Remote controller key operation and description of display in adjustment process mode.
1. key operation
Input mode is switched automatically when relevant adjustment is started so far as the necessary input signal is available.
MAIN UNIT: DUNTKE237FM03
IC2002
RH-IXB986WJNFQ
Monitor microcomputer
IC1505
RH-IXC284WJQZS
HDMI_EXT4
IC1501
RH-IXC285WJQZS
HDMI_EXT5
IC1502
RH-IXC286WJQZS
HDMI_EXT6
IC1503
RH-IXC287WJQZS
RGB (PC)_EXT7
CAUTION: Use due care in handling the information described here lest the users should know how to enter the adjustment process mode. If the
settings are tampered with in this mode, unrecoverable system damage may result.
Remote controller key
Main unit key
Function
P (
/
)
P (
/
)
Moving an item (line) by one (UP/DOWN)
VOL (+/-)
VOL (+/-)
Changing a selected item setting (+1/-1)
Cursor (
/
)
—
Turning a page (PREVIOUS / NEXT)
Cursor ( / )
—
Changing a selected item setting (+10/-10)
INPUT
INPUT
Input source switching (toggle switching) (TV
→
EXT1~8)
RETURN
—
Returning to a present page
OK
—
Executing a function
Содержание LC-32XL8E/S/RU
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