Daewoo DTC-20T2 Manuel D’Utilisation

CP-520/520A/520F Service Manual 

 

DTV R&D Europe

 

10

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 VER 00.05”. 
 
To exit SERVICE menu press menu key or Std 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 

 
 

1 

HOR CEN 

 

2 

RED GAIN 

 

3 

GRN GAIN 

 

4 

BLUE GAIN 

 

5 

RED BIAS 

 

6 

GRN BIAS 

 

7 

AGC LEVEL 

 

8 

G2 – SCREEN 

 

9 

OPTION1 

 

10 

OPTION2 

 

11 

AVL 

 

12 

PARABOLA 

 

13 

HOR WIDTH 

 

14 

CORNER T 

 

15 

CORNER B 

 

16 

HOR. PARAL 

 

17 

V. LINEAR 

 

18 

V. SLOPE 

 

19 

EW TRAPEZ 

 

20 

S CORRECT 

 

21 

VERT CENT 

 

22 

VERT SIZE 

 

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 or OPTION2 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;