HOW TO ENTER SERVICE MODE SONY – KV-32FX20A KV-32FX20B KV-32FX20D KV-32FX20E KV-32FX20 TRININTRON COLOR TV
ENTERING INTO SERVICE MODE AND MAKING ADJUSTMENTS.
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
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> Picture adjustment
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Geometry
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Wide
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IC Status
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MSP
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Dynamic Convergence
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Current TV status
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[5] Press the (+) button to enter the selected adjustment.
[6] Turn OFF the power to quit the service mode, when adjustments have been completed.
ENTERING INTO SERVICE MODE AND MAKING ADJUSTMENTS
PICTURE ADJUSTMENT
AFC Mode
|
1
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REF position
|
3
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SCP BGR
|
1
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SCP BGF
|
1
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Trap fo
|
9
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Sub contrast
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Adjust
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Sub color
|
Adjust
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Sub brightness
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Adjust
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Green Drive
|
Adjust
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Blue Drive
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Adjust
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Green Cutoff
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Adjust
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Blue Cutoff
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Adjust
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Gamma
|
0
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Pre/overshoot
|
0
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Y Delay
|
3
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D Pic
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On/Off
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D Color
|
On/Off
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DC Transfer
|
On/Off
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GEOMETRY ADJUSTMENT _ [4:3] Aspect Ratio
V Size [height]
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Adjust
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V Position
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Adjust
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S Correction
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Adjust
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V Lenearity
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Adjust
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H Size [width]
|
Adjust
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H position
|
Adjust
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Pin Amp
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Adjust
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Pin Phase
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Adjust
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AFC Bow
|
Adjust
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AFC Angle
|
Adjust
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EHT V
|
1
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EHT H
|
0
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Lo Corn Pin
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Adjust
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Up Corn Pin
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adjust
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WIDE ADJUSTMENT – [4:3] aspect ratio
V Aspect
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0
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V Scroll
|
25
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Upper V lin
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0
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Lower V Lin
|
0
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Left Blanking
|
1
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Right Blanking
|
11
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ENTERING INTO SERVICE MODE AND MAKING ADJUSTMENTS
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
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Time Zewi WML
|
41
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Fawct limit
|
10
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Fawct soll init FAW
|
12
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Fawer tol
|
2
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Nicam Err Max CCT
|
10
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Nicam Err Min
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0
|
Nicam Prescale NIP
|
97
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Time Nicam
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31
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Carrier mute CRM
|
Off
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Audio Clock ACO
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HIZ
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Scart Prescale
|
25
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Scart Volume
|
64
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DYNAMIC CONVERGENCE
Range
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Adj Off-42
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H stat
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Adj Off-63
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H amp I
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Adj Off-63
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H amp r
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Adj Off-63
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Up Y
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Adj Off-63
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Low Y
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Adj Off-63
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Y up I
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Adj Off-63
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Y up r
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Adj Off-63
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Y low I
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Adj Off-63
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Y low r
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Adj Off-63
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Mbow up I
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Adj Off-63
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Mbow up r
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Adj Off-63
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Mbow low L
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Adj Off-63
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Mbow Low R
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Adj Off-63
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V Stat
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Adj Off-63
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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
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IKR
|
1
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VNG
|
0
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X-Ray
|
0
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Color system
|
3
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CV1 Sync
|
1
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CXA 2040
| |
Sync Sep
|
1
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S1 mode pin
|
01
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S2 Mode Pin
|
01
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TUNER
| |
Tuner Status
|
01101011
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TV STATUS BE3E
Text System
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C TEXT/C TEXT2
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DOLBY
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NO-FX,DX/YES-DS
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DSP PRESENT
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NO-FX,DX/YES-DS
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TEST LANGUAGE SET
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WEST/EAST/RUSSIAN
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MENU LANGUAGE SET
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WEST/EAST/RUSSIAN
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DESTINATION
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B/D/U/K/L/E/A/R
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AGEING
|
OFF/ON
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AUTO SHUR OFF
|
OFF/ON
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SIZE
|
28/32
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COLOR TRAP SW
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SECAM/ALL
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VELOCITY MODE
|
ON/OFF
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AFT STATUS
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WINDOW/HIGH/LOW
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DIGITAL RF
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ON/OFF
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ATTENUATION
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ON/OFF
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MICRO/JUNGLE
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SDA30C263/CXA2076
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