5-1
A21UZ_EA
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: “CBA” is abbreviation for
“Circuit Board Assembly.”
Note:
Electrical adjustments are required after
replacing circuit components and certain
mechanical parts. It is important to perform
these adjustments only after all repairs and
replacements have been completed.
Also, do not attempt these adjustments unless
the proper equipment is available.
Test Equipment Required
1. Remote control unit
2. Color Analyzer,
CA-310 (KONICA MINOLTA Luminance meter) or
measuring instrument as good as CA-310.
How to set up the service mode:
Service mode:
1. Turn the power on.
2. Press [3], [1], [9], [7], [5], [3] and [MUTE] bottons
on the remote control unit in this order.
3. Select “Consumer TV set up”.
4. Select “Software Upgrade”.
5. Select “Current Software Info”.
6. Press [0], [6], [2], [5], [9], [6] and [INFO] buttons on
the remote control unit in this order. The following
screen appears.
1. Purity Check Mode
This mode cycles through full-screen displays of red,
green, blue, and white to check for non-active pixels.
1. Enter the service mode.
2. Each time the [7] button on the remote control unit
is pressed, the display changes as follows.
3. To cancel or to exit from the Purity Check Mode,
press [CH RETURN] or [PREV CH] button.
Code:
Pic code:
Panel-Option code:
MIPS:
Press "POWER" key to exit.
*******-**-**-****-**
***-*****-***-***-*-**
**-***-***-***-***
Push 0 key
Tuner:
Safety:
HDMI EDID/UART:
Touch Sensor Ver:
*********
Safety_Non
OK / OFF
None
Total Watch Time:
Lightsensor:
*****
**
"*" differs depending on the models.
[7] button
Note:
When entering this mode, the default setting is White mode.
Purity Check Mode
[7] button
White 50% mode
Red, Green, Blue mode
V-ramp mode
Black mode
[7] button
White mode
[7] button
[7] button
White 20% mode
[7] button