Daewoo CP-385, Руководство по обслуживанию

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Service manual CP 385 / CP785
- 10 -
3 - Alignment instructions
3-1 Microcontroller configuration : Service mode
To switch the TV set into service mode please see 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
menu key or Std By key.
In Service Mode press “
OK ” to stop the microcontroller i.e. the I2C bus is free and the set can be
controlled by external equipment. Press “ OK ” again to allow the microcontroller to control the set
again
3-2 Microcontroller configuration : Option
Option Tuner maker Remark
0 DAEWOO / SAMSUNG
1 DAEWOO / SAMSUNG
2 SIEL
3 PHILIPS Option 3 is available from software version 3 only
3-3 TV set Alignment
3-3-1 - G2 alignement
- 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 cathod cut-off voltage measured on CRT
board, is Vcut off
±
5V.
Screen size Vcut-off
20” & 21” 125 V
25” & 28” 140 V
3-3-2 - 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.
3-3-3 - Focus
- Adjust the Focus volume ( on FBT ) to have the best resolution on screen.