ENTERING INTO SERVICE MODE AND MAKING ADJUSTMENTS
Part – 3
MSP
AGC ON/OFF
|
On
|
Contrast gain CDB
|
0
|
FM Prescale FMP
|
36
|
Zwei mono-st WHI
|
36
|
Zwei st-mono WLO
|
18
|
Zwei mono-bi WMH
|
36
|
Zwei bi-mono WLO
|
18
|
Time Zewi WML
|
41
|
Fawct limit
|
10
|
Fawct soll init FAW
|
12
|
Fawer tol
|
2
|
Nicam Err Max CCT
|
10
|
Nicam Err Min
|
0
|
Nicam Prescale NIP
|
97
|
Time Nicam
|
31
|
Carrier mute CRM
|
Off
|
Audio Clock ACO
|
HIZ
|
Scart Prescale
|
25
|
Scart Volume
|
64
|
DYNAMIC CONVERGENCE
Range
|
Adj Off-42
|
H stat
|
Adj Off-63
|
H amp I
|
Adj Off-63
|
H amp r
|
Adj Off-63
|
Up Y
|
Adj Off-63
|
Low Y
|
Adj Off-63
|
Y up I
|
Adj Off-63
|
Y up r
|
Adj Off-63
|
Y low I
|
Adj Off-63
|
Y low r
|
Adj Off-63
|
Mbow up I
|
Adj Off-63
|
Mbow up r
|
Adj Off-63
|
Mbow low L
|
Adj Off-63
|
Mbow Low R
|
Adj Off-63
|
V Stat
|
Adj Off-63
|
SUB BRIGHTNESS ADJUSTMENT
[1] Input a Philips Pattern.
[2] Set the picture control to Minimum.
[3] Enter into the ‘Picture Adjustment’ service menu.
[4] Adjust the sub-brightness data so that there ie barely a difference between the 0 IRE and 10 IRE signal levels. In short, a barely seen pattern or picture, at absolute darkness.
SUB CONTRAST ADJUSTMENT
[1] Input a video that contains a small 100% area on a black background.
[2] Set the picture control to Maximum.
[3] Connect an Oscilloscope to Pin number-3 of CN 301 [A board].
[4] Enter into the ‘Picture adjustment’service menu.
[5] Adjust the sub contrast data, to obtain a black to white amplitude of 2.20V.
To be continued on Part-4
