Daewoo DUB-2850GB, DUB-2842GB, Service Manual, Page: 8 / 79

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CP-780 Service Manual
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 menus.
3 - Within 2 seconds press the key sequence : RED - GREEN - menu
The software version is displayed beside the word Service, e.g. “SERVICE V0.22”.
To exit SERVICE menu press menu key or Stand By key.
3.2 SERVICE MODE NAVIGATION
Pr Up/Down remote keys : cycle through the service items available.
Vol -/+ remote keys
: Dec./Increment the values within range - Cycle trough option bits.
OK key : Toggle bits in option byte
Order Item Default setting
1 HOR CEN 39
2 RED GAIN 32
3 GRN GAIN 32
4 BLUE GAIN 32
5 RED BIAS 32
6 GRN BIAS 32
7 AGC LEVEL NO ADJUSTMENT
8 G2-SCREEN -
9 OPTION1 0001 1001
10 OPTION2 0010 1111
11 AVL -
12 PARABOLA 20
13 HOR WIDTH 50
14 CORNER T 39
15 CORNER B 39
16 HOR. PARAL 25
17 V.LINEAR -
18 V.SLOPE 36
19 EW TRAPEZ 25
20 S CORRECT 22
21 VERT CENT 43
22 VERT SIZE 24
3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS
There are two option bytes available (16 bits in all). These option bits are available from Service
mode. First find the OPTION1/OPTION2/OPTION3 control, and then use the Volume PLUS/MINUS
buttons on the remote control keypad to locate the bits, and OK key to toggle them. The table
below shows the two option bytes available;