Service manual

CP-850FX Service Manual
Europe R&D
14
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 V1.00”.
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
Note:All settings are approximate
1 HOR CEN -154
2 RED GAIN 412
3 GRN GAIN 363
4 BLUE GAIN 380
5 RED BIAS 226
6 GRN BIAS 210
7 AGC LEVEL 56
8 G2 – SCREEN 32
9 AFT 32
10 AVL OFF
11 OPTION1 0011 1000 [0x38]
12 OPTION2 0000 0110 [0x06]
13 OPTION3 1111 1111 [0xFF]
14 PARABOLA 346
15 HOR WIDTH -71
16 CORNER T -100
17 CORNER B -30
18 HOR. PARAL 2
19 V. LINEAR 16
20 EW TRAPEZ 12
21 S CORRECT 130
22 VERT CENT -14
23 VERT SIZE 40
24 SHIPPING OFF
3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS
There are three 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;
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