Daewoo DWP-28W2ZZF Service Manual download pdf (Page 12)

Service manual WP-795

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4 - Alignment instructions

4-1 Microcontroller configuration : Service mode

To switch the TV set into service mode please sees instruction below.

1 - Select pr. number 91

2 - Adjust sharpness to minimum and exit all menu.

3 - Quickly press the key sequence :

RED - GREEN - menu

To exit SERVICE menu press

key or

Std By

key.

In Service Mode press “

” to stop the microcontroller i.e. the I2C bus is free and the set can be

controlled by external equipment. Press “

” again to allow the microcontroller to control the set again

4-2 Microcontroller configuration : Option

Option Tuner maker

0 DAEWOO / SAMSUNG

1 DAEWOO / SAMSUNG

2 SIEL

3 PHILIPS

4-3 TV set Alignment

4-3-1 - G2 alignment

- TV in AV mode without video signal

⇒

Black screen.

- TV preset with WP Red, WP Green and WP Blue equal to 32.

- TV preset with Black R, Black G equal to 8.

- Set TV in NORMAL I mode

- Adjust screen volume ( on FBT ) such that the highest cathode cut-off voltage measured on CRT board,

is Vcut off

5V.

Screen size Vcut-off

28” 142 V

4-3-2 - White balance

- Select a dark picture and adjust Black G and Black R to the desired colour temperature.

- Select a bright picture and adjust WP Red, WP Green, WP Blue to the desired colour temperature.

4-3-3 - Focus

- Adjust the Focus volume ( on FBT ) to have the best resolution on screen.

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Daewoo DWP-28W2ZZF Service Manual Page 12