Daewoo 20V1NTS, Service Manual

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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 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
Microcontroller configuration :
Tuner Option
TV set Alignment
1 - G2 alignment
- Set TV in NORMAL I mode
- 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.
- Adjust screen volume ( on FBT ) such that the highest cathode cut-off voltage measured on CRT board, is Vcut-
off 5V
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.
ALIGNMENT INSTRUCTIONS
Option Tuner maker
DW DAEWOO / SAMSUNG
PHI LIPS (tuner internal AGC )
PH2 PHILIPS ( Video processor AGC )
Screen size Vcut-off
14" 115V
20" & 21" 125V