Daewoo DSC-3220E/3220L - Manual (Page 16)

Service manual SC-150
-15-
3-3 Microcontroller con figuration : Option bits
These option bits are availa ble from Ser vice mode. First find the OPTION control, and then use keys 0...7 on the
remote keypad to control bits 0 to 7 respect ively. The table below shows the options a vailable ;
1
0
B7 B6
TOP text
off
FASTEXT
FLOF off
TOP text
on
FASTEXT
(FLOF) on
B5 B4 B3 B2 B1 B0
TUBE 4:3
AUTO 4:3
switch to
PANORAMA
TUBE 16:9
AUTO 4:3
switch to 4:3
SVHS3
disable 00=Philips
01=ALPS
10=Philips (AGC intern)
11=DAEWOO
SVHS3
enable
X
Set all the unused bits, markde 'X', to be 0 for future compatibility.
3-4 TV set Alignment
3-4-1- Local oscillator alignment
Tune a colour bar pattern. The Frequency of the signal carrier must be accurate (Max +/- 10khz deviation fron the
nominal channel frequency).
Find "AFT" item in service mode.
Adjust the coil L150 to bring the cursor to central position : 32.
3-4-2- G2 alignment
- Tune a colour bar pattern.
- Find the "G2 - SCREEN" item in service mode.
- Adjust screen volume (on FBT) to bring the cursor to central position : 32.
3-4-3- White balance
- Select a dark picture and adjust RED BIAS and GRN BIAS to the desired colour temperature.
- Select a bright picture and adjust REC, GRN and BLUE GAIN to the desired dolour temperature.
3-4-4- Forcus
Adjust the Forcus volume (on FBT) to have the best resolution on screen.
3-4-5- Vertical geometry
Adjust V.LINEAR (linearity), S CORRECT
(S. Corrention), VERT SIZE (Vertical amplitude),
VERT CENT (vertical centing) to compensate
for vertical distortion.
OPTION 1
1
0
B7 B6
Y Y
B5 B4 B3 B2 B1 B0
PICTURE
TILT on
Y
PICTURE
TILT off
See table below.
OPTION 2 bits B2 B1 B0
Normal I
brightness
Normal I
brightness
+5 steps
OPTION 2
Tuner options