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4.  Receive a Window pattern.
5.  Set the controls :-

Brightness

Minimum

Contrast

Minimum

Volume

Minimum

Confirm the following voltages.

A - Board
A1 Pin2

7.5

± 0.5V

IC1252 Pin2

2.5

±

0.25V

A1 Pin12

-20

±

0.5V

IC1251 Pin3

3.3

+0.3 / -0.2V

A1 Pin16

20

±

0.5V

IC7101 Pin3

5

±

0.4V

A2 Pin15

30

±

0.5V

IC2708 Pin4

9

±

0.4V

A2 Pin6

15

±

0.5V

C2703 + side

8

±

0.4V

A3 Pin4

15

±

0.5V

IC2706 Pin2

5

±

0.2V

A3 Pin2

-15

±

0.5V

IC2705 Pin2

3.3

±

0.2V

IC2709 Pin2

3.3

±

0.2V

D – Board
D5 Pin1

210

±

3V

D5 Pin8

140

±

2V

D3 Pin3

18

±

2V

D3 Pin1               -18

±

2V

D2 Pin5

15

±

1.5V

D5 Pin6

6.4

±

0.24V

D1 Pin8

12

±

0.5V

D2 Pin13

40

±

3V

with SW1 Open

D2 Pin13

30

±

2V

with SW1 Closed

1. Picture menu:Normal.
2. Normalised conditions.
3. Colour balance normal.
4. AI:OFF

P-NR:OFF.

5. Screen VR: fully anticlockwise.
6. B-G-ST1:120 Sub-Bright:50.
7. High R:70 High G:128 High B:70.
8. Low R:128 Low G:150 Low B:80

To adjust Cutoff select AV1 with no signal. Ensure that the PTV is normalised.
Adjust R-Screen VR so that the voltage , IK at test point TPLR1 is 165 ± 2V.
           G-Screen VR so that the voltage , IK at test point TPLG1 is 160 ± 2V.
           B-Screen VR so that the voltage , IK at test point TPLB1 is 165 ± 2V.

To return customer settings to factory settings and clear owner ID of all information input by the customer , enter Self –Check
Mode.To get into Self-Check mode press the down (-/v) button on the customer controls at the front of the TV set, at the
same time pressing the STATUS button            on the remote control. To exit Self-Check , switch off the tv set at the power
button.
NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work.

To exit Self-Check, switch off the TV set at the power button.

If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".

Factory use only

Note: All waveforms have been taken using a standard colour bar pattern.

32

µ

S

0.8V

R - Y
IC1315 Pin 38

B - Y
IC1315 Pin 39

32

µ

S

0.8V

Video Out
IC3001 Pin 56

2.2V

64

µ

S

R - Out
IC1315 Pin 23

32

µ

S

4V

G - Out
IC1315 Pin 21

4V

32

µ

S

B - Out
IC1315 Pin 19

4V

32

µ

S

VFLB
IC451 Pin 6

1V

20mS

32

µ

S

4V

H - Drive
A3 Pin 10

Vert Drive
A44 Pin 24

10mS

0.9V

HFLB
A3 Pin 11

32

µ

S

4V

Vert Out
IC451 Pin 3

10mS

88V

SVM Out
A44 Pin 43

1V

32

µ

S

E/W Out
IC501 Pin 1

32

µ

S

8V

Luminance In
IC1315 Pin 37

0.9V

32

µ

S

(The figures below are nominal and used for representative purposes only.)
1.  Set the Bass to maximum position, set the Treble to minimum position, press the down button (- / v) on the customer

controls at the front of the TV and at the same time press the INDEX button on the remote control, this will place the TV
into the Service Mode.

2. Press 

the 

RED / GREEN buttons to step up / down through the functions.

3. Press 

the 

YELLOW / BLUE buttons to alter the function values.

4. Press 

the 

STR button after each adjustment has been made to store the required values.

5.  To exit the Service Mode, press the "N" button.

Horizontal Position

H – Pos

42

Optimum setting.

Vertical Position

V – Pos

142

Optimum setting.

Horizontal Amplitude

H – Amp

75

Optimum setting.

Vertical Amplitude

V – Amp

124

Optimum setting.

Parabola

Parabola

30

Optimum setting.

Trapezoid

Trapezoid

124

Optimum setting.

Horizontal Parallel

H – Parallel

8

Optimum setting.

Vertical Linearity

V – Linear

35

Optimum setting.

Top Corner

Top – Corner

19

Optimum setting.

Bottom Corner

Bottom – Corner

21

Optimum setting.

Vertical Symmetry Correction

V – S – Correct

9

Optimum setting.

Center Correction

C – Correct

6

Optimum setting.

WB-B-G- Gain

B-G-Gain

0

Optimum setting.

WB-B-G-ST1

B-G-ST1

100

Optimum setting.

Highlight

Lowlight

0075 0128 0084
0051 0128 0050

Optimum setting.

Sub-Brightness

51

Optimum setting.

Splitter Gain (Tuner)

SPL. Gain

0

Optimum setting.

DAF Parabola

DAF H-PARA

292

Optimum setting.

DAF Saw

DAF V-SAW

0

Optimum setting.

DAF Parabola

DAF V-PARA

26

Optimum setting.

Convergence

Coarse Convergence

Access

Optimum setting.

Convergence

Fine Convergence

Access

Optimum setting.