Service manual

CP-850/F Service Manual
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3 ALIGNMENT INSTRUCTIONS
3.1MICROCONTROLLER 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 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
2 RED GAIN
3 GRN GAIN
4 RED BIAS
5 GRN BIAS
6 AGC LEVEL
7 G2 - SCREEN
8AFT
9 OPTION1
10 OPTION2
11 OPTION3
12 AVL
13 PARABOLA
14 HOR WIDTH
15 CORNER T
16 CORNER B
17 HOR. PARAL
18 V.LINEAR
19 EW TRAPEZ
20 S CORRECT
21 VERT CENT
22 VERT SIZE
23 SHIPPING
24 INST. LOCK
25 LKB LOCK HOTEL
26 AV1 START FUNCTION
27 MAX. VOL
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;