Alignments - Philips TDVD1.1E Service Manual

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8. Alignments

Index of this chapter
1. Hardware Alignments
2. Software Alignments/Settings
8.1
Hardware Alignments
8.1.1
System Voltage Adjustment
•
Switch the TV in AV mode by pressing the AV button on the
remote control unit (minimum beam current condition).
•
Adjust the VAP2 potentiometer until you measure 115 Vdc
on the cathode of diode DP08.
8.2
Software Alignments/Settings
Enter the TV Service Mode (see chapter 5). The Service Mode
menu will now appear on the screen.
L L L L L L L P A B # - X X
O P T I O N S
G E O M E T R Y
G 2 A D J
V I D E O
T U N E / I F
D V D
H o t e l M
V o l u m e
Figure 8-1 Service mode menu
Select one of the following alignments:
1. OPTIONS.
2. GEOMETRY.
3. G2ADJ.
4. VIDEO.
5. TUNE/IF.
8.2.1
Options
Options are used to control the presence/absence of certain
features and hardware.
An Option byte represents a number of different options. All
options are controlled via three option bytes.
O 1
O 2
O 3
Figure 8-2 Option menu
How to change an Option byte
Select the option byte (01, 02 or 03) with the CURSOR UP/
DOWN keys.
Use a digit key (0 to 7) to change the relevant option bit. The bit
values will change from 0 to 1 and from 1 to 0 on each pressing
of the relevant digit key.
O F F
--- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
CL 26532120_018.eps
O P T I O N S
1 1 1 1 1 1 1 1
0 1 0 1 0 0 0 0
1 1 1 0 0 1 1 1
CL 26532120_020.eps
Alignments
Option bit definition
Option byte 1 (01): System configuration
Default setting is: 10111111 (b7.....b0)
b0
1: France and Europe available
0: Only Europe available
b1 (*)
1: not used
0: not used
b2
1: not used
0: not used
b3
1: not used
0: not used
b4
0: not used
1: not used
b5
0: not used
1: not used
b6-7
00: Alps tuner
10: Philips UV1316 tuner
01: Thomson/Orega tuner
Option byte 2 (02): Video configuration
311002
Default setting is: 11011011 (b7.....b0)
b0
1: RGB Peak Lim. available
0: not available
b1
1: QSS application
0: Intercarrier application
b2
1: Coring available
0: not available
b3
1: Black Strecth available
0: not available
b4
1: Blue Screen disable
0: Enable
b5
1: OSD Contrast Control enable
0: Disable
b6-b7
00: APR OFF (Auto Peak Regulation 'off')
01: APR 50 IRE (Auto Peak Regulation 50)
10: APR 75 IRE (Auto Peak Regulation 75)
11: APR 100 IRE (Auto Peak Regulation 100)
311002
Option byte 3 (03): Feature configuration
Default setting is: 01101111 (b7.....b0)
b0
1: CVBS output 2.3 V
0: CVBS output 2.0 V
b1
1: not used
0: not used
b2
1: DVD available
0: not available
b3
1: AFC open
0: AFC closed (for service)
b4
1: One Crystal apllied (4.43 MHz)
TDVD1.1E 8. EN 35