Electrical Alignment; Service Mode; Start; White Balance Adjustment - Sony FWD-40LX2F Service Manual

4-1. Service Mode

4-1-1. Start

1. Input any signal to this unit.
2. Turn on the power of this unit.
3. Perform the operation below using a remote controller
(RM-FW001) supplied for this unit with OSD not
displayed.
(1) Press the button two times.
(2) Press the [MUTING] button.
(3) Press the button.
(4) Press the [MUTING] button.
(5) Press the [MENU] button.
The service mode is started.
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To exit this screen, press the [MENU] button.
FWD-40LX2F
FWD-40LX2X
Section 4

Electrical Alignment

4-2. White Balance Adjustment

This unit is adjusted to the prescribed white balance during
factory setting. The average value of white balance is
written in the A board during factory setting. (AD calibra-
tion has also been adjusted during factory setting.)
Perform the adjustment in this section when white balance
adjustment is required.
Initial values of A board
* * * * * 1
COOL
NEUTRAL 253
WARM
*1: GAIN
*2: OFFSET

4-2-1. Preparation

Required equipment
. Signal generator
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It is recommended to use 480i (HD15 Component) as a
connection signal. However, the signal to be actually
input can also be used.
. Color thermometer
Preparation
1. Input a signal to this unit and age for 30 minutes or
more.

4-2-2. Setting

1. Start the service mode. (Refer to Section 4-1-1.)
2. Select "HD15" by "INPUT SOURCE" in a menu.
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Select according to the input signal when inputting any
signal.
RED GREEN BULE RED
* * * * * 1 * * * * * 1 * * * * * 2 * * * * * 2
235 223 255 122
238 250 122
255 235 222 121
GREEN BLUE
* * * * * 2
125 124
124 125
123 125
4-1