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25

If you are unable to adjust the corner convergence
properly, this can be corrected with the use of 
permalloys.

1.

Input a dot signal from the pattern generator.

2.

Set the Picture, Brightness and Colour to minimum.

3.

Apply 175V DC from an external power supply to the
R, G and B cathodes of the CRT.

4.

Whilst watching the picture, adjust [SCREEN G2] located on 
the FBT [flyback transformer] to the point just before the 
flyback return lines disappear.

1.

Receive a television broadcast signal.

2.

Normalise the picture setting.

3

Adjust the focus control located on the FBT [flyback 
transformer] to obtain the best focus at the centre of the screen.
Bring only the centre area of the screen into focus, the 
magenta-ring appears on the screen. In this case, adjust the 
focus to optimize the screen uniformly.

Y-splitting axis correction magnet

V STAT convergence magnet

BMC (Hexaploe) magnet

Purity magnet

a-d: screen-corner
convergence defect

a

b

c

d

Permalloy Assy
X-4387-214-1

Convergence adjustment with permalloy.

FOCUS

SCREEN (G2)

26

1.

Input an all white signal from the pattern generator.

2.

Enter into the Service Mode.

3.

Enter into the ‘Picture Adjustment’ service menu.

4.

Select ‘Sub contrast’ and adjust to 7.

5.

Select the ‘Green drive’ and adjust so that the white balance
becomes optimum.

6.

Select the ‘Blue drive’ and adjust so that the white balance
becomes optimum.

7.

Press the ‘TV’ button on the remote commander to return to

TV operation.

          PICTURE ADJUSTMENT

AFC mode

1

REF position

2

SCP BGR

1

SCP BGF

1

Trap fo

0

Sub contrast

Adj

Sub colour

Adj

Sub brightness

Adj

Sub hue

Adj

Green drive

Adj

Blue drive

Adj

Green cutoff

Adj

Blue cutoff

Adj

Gamma

0

Pre / overshoot

3

Y delay

3

27

5

+

+

(ON SCREEN
 DISPLAY)

(DIGIT 5) 

(VOLUME 

+

) (TV)

Service adjustments to this model can be performed
using the supplied Remote Commander RM-888.

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.

• 

‘TT--’ will appear in the upper right 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.

4. 

Move to the corresponding adjustment using the button on the 
remote commander.

5. 

Press the + button to enter the selected adjustment.

6. 

Turn off the power to quit the service mode when adjustments 
have been completed.

TEST MENU

> Picture Adjustment

   Geometry

   Wide

   IC status

   MSP

   Dynamic Convergence

   Current TV status

        PICTURE ADJUSTMENT

AFC mode 

1

REF position 

3

SCP BGR 

1

SCP BGF 

1

Trap fo 

9

Sub contrast 

Adj

Sub colour 

Adj

Sub brightness 

Adj

Green drive 

Adj

Blue drive 

Adj

Green cutoff 

Adj

Blue cutoff 

Adj

Gamma 0

Pre / overshoot 

0

Y delay 

3

D Pic 

ON/OFF

D Colour 

ON/OFF

DC Transfer 

ON/OFF

GEOMETRY ADJUSTMENT - 4:3

V size 

Adj

V position 

Adj

S Correction 

Adj

V Linearity 

Adj

H size 

Adj

H position 

Adj

Pin Amp 

Adj

Pin Phase 

Adj

AFC Bow 

Adj

AFC Angle 

Adj

EHT V 

1

EHT H 

0

Lo Corn Pin 

Adj

Up Corn Pin 

Adj

WIDE ADJUSTMENT - 4:3

V Aspect 

0

V Scroll 

25

Upper V Lin 

0

Lower V Lin 

0

Left Blanking 

1

Right Blanking 

11

28

Same Level

B-Out Waveform

1.

Input a Phillips 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 is barely a 
difference between the 0 IRE and 10 IRE signal levels.

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 3 of CN301 [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.

1.

Receive a PAL colour bar video signal.

2.

Connect an oscilloscope to Pin 3 of CN301 [A Board].

3.

Enter into the ‘Picture Adjustment’ service menu.

4.

Adjust the ‘Sub-colour’ data so that the Cyan, Magenta and 

Blue colour bars are of 

equal height as 
indicated below.

The data indicated in the ‘TV STATUS’ table is
dependant on destination, screen size and country.

MSP

AGC ON/OFF

ON

Constant 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 Zwei 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

IC STATUS (CXA2076 / CXA2040)

CXA2076

H lock

1

IKR

1

VNG

0

X-RAY

0

Colour system

3

CV1 sync

1

CXA2040

 

Sync sep

1

S1 mode pin

01

S2 mode pin

01

TUNER

 

Tuner status

01101011

TV STATUS BE3E

Text system

C TEXT/C TEXT 2

Dolby

NO-FX,DX / YES-DS

DSP Present

NO-FX,DX / YES-DS

Text language set

WEST/EAST/RUSSIAN

Menu language set

WEST/EAST/RUSSIAN

Destination

B/D/U/K/L/E/A/R

Ageing

OFF/ON

Auto Shut Off

OFF/ON

Size

28/32

Colour trap sw

SECAM/ALL

Velocity mod

ON/OFF

AFT STATUS

 WINDOW/HIGH/LOW

Digital RF

ON/OFF

Attenuation

ON/OFF

Micro/Jungle

SDA30C263/CXA2076

Dynamic Convergence

Range

Adj Off  - 42

H stat

Adj  Off - 63

H amp l

Adj  Off - 63

H amp r

Adj  Off - 63

Up Y

Adj  Off - 63

Low Y

Adj  Off - 63

Y up l

Adj  Off - 63

Y up r

Adj  Off - 63

Y low l

Adj  Off - 63

Y low r

Adj  Off - 63

Mbow up l

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