SONY – KV-32FX20A - KV-32FX20B - KV-32FX20D - KV-32FX20E - KV-32FX20 – TRININTRON COLOR TV
ENTERING INTO SERVICE MODE AND MAKING ADJUSTMENTS.
Part-1
To enter into the service mode, you can use the remote control handset supplied with this set [RM-887]. Before making any adjustments, not all the preset adjustments first. Then make a change any value. This will help you to reset the values to its original, if you accidentally go out of range of these values
To enter into the service mode
[1] Turn ON the main power switch and enter into the stand-by mode.
[2] Press the following sequence of buttons on the Remote Commander.
ON SCREEN DISPLAY > DIGIT 5 > VOLUME + > TV
‘TT—‘ will appear in the right upper corner of the screen. Other status information will also be displayed.
[3] Press Menu on the remote commander to obtain the following menu on the screen.
TEST MENU
|
> Picture adjustment
|
Geometry
|
Wide
|
IC Status
|
MSP
|
Dynamic Convergence
|
Current TV status
|
[5] Press the (+) button to enter the selected adjustment.
[6] Turn OFF the power to quit the service mode, when adjustments have been completed.
PICTURE ADJUSTMENT
AFC Mode
|
1
|
REF position
|
3
|
SCP BGR
|
1
|
SCP BGF
|
1
|
Trap fo
|
9
|
Sub contrast
|
Adjust
|
Sub color
|
Adjust
|
Sub brightness
|
Adjust
|
Green Drive
|
Adjust
|
Blue Drive
|
Adjust
|
Green Cutoff
|
Adjust
|
Blue Cutoff
|
Adjust
|
Gamma
|
0
|
Pre/overshoot
|
0
|
Y Delay
|
3
|
D Pic
|
On/Off
|
D Color
|
On/Off
|
DC Transfer
|
On/Off
|
GEOMETRY ADJUSTMENT _ [4:3] Aspect Ratio
V Size [height]
|
Adjust
|
V Position
|
Adjust
|
S Correction
|
Adjust
|
V Lenearity
|
Adjust
|
H Size [width]
|
Adjust
|
H position
|
Adjust
|
Pin Amp
|
Adjust
|
Pin Phase
|
Adjust
|
AFC Bow
|
Adjust
|
AFC Angle
|
Adjust
|
EHT V
|
1
|
EHT H
|
0
|
Lo Corn Pin
|
Adjust
|
Up Corn Pin
|
adjust
|
WIDE ADJUSTMENT – [4:3] aspect ratio
V Aspect
|
0
|
V Scroll
|
25
|
Upper V lin
|
0
|
Lower V Lin
|
0
|
Left Blanking
|
1
|
Right Blanking
|
11
|
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.
IC STATUS [CXA 2076/CXA 2040]
CXA 2076
| |
H Lock
|
1
|
IKR
|
1
|
VNG
|
0
|
X-Ray
|
0
|
Color system
|
3
|
CV1 Sync
|
1
|
CXA 2040
| |
Sync Sep
|
1
|
S1 mode pin
|
01
|
S2 Mode Pin
|
01
|
TUNER
| |
Tuner Status
|
01101011
|
TV STATUS BE3E
Text System
|
C TEXT/C TEXT2
|
DOLBY
|
NO-FX,DX/YES-DS
|
DSP PRESENT
|
NO-FX,DX/YES-DS
|
TEST LANGUAGE SET
|
WEST/EAST/RUSSIAN
|
MENU LANGUAGE SET
|
WEST/EAST/RUSSIAN
|
DESTINATION
|
B/D/U/K/L/E/A/R
|
AGEING
|
OFF/ON
|
AUTO SHUR OFF
|
OFF/ON
|
SIZE
|
28/32
|
COLOR TRAP SW
|
SECAM/ALL
|
VELOCITY MODE
|
ON/OFF
|
AFT STATUS
|
WINDOW/HIGH/LOW
|
DIGITAL RF
|
ON/OFF
|
ATTENUATION
|
ON/OFF
|
MICRO/JUNGLE
|
SDA30C263/CXA2076
|
