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CP-520/520A/520F Service Manual
DTV R&D Europe
10
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 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
Order Item Default setting
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;