Service manual SC-140
-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
X
TUBE 16:9
X
SVHS3
disable
Tuner options
00=Philips
01=ALPS
10=Philips (AGC intern)
11=Not used.
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.
Summary of Contents for DSC-3210E
Page 32: ...Service manual SC 140 31 Block diagram TDA8944J...
Page 35: ...Service manual SC 140 34...
Page 37: ...Service manual SC 140 36 Block diagram TDA6107Q...
Page 42: ...Service manual SC 140 41 5 Circuit description 5 1 Block diagram...
Page 60: ...Service manual SC 140 59 5 9 2 2 STR F6654 oscillating operation...
Page 78: ...Service manual SC 140 77 8 PCB Layout...
