DOWNLOAD Sony KP-43T75C / KP-53SV75C / KP-61SV75C Service Manual ↓ Size: 8.85 MB | Pages: 92 in PDF or view online for FREE

– 37 –

1. Cover the blue picture lens with the lens cap to show the green

and red colors.

2. Press 

3 key on the remote commander to shift the GRN mode

to the RED mode.

3. Select RED CENT or RED SKEW with the 

1 and 4 keys

on the remote commander and adjust while tracking each other

alternately.

4. Adjust the red crosshatch lines go straight vertically and

horizontally and overlaps the green lines with the joystick on

the remote commander.

1. Select RED SIZE (vertically and horizontally) or RED LIN

(vertically) with the 

1 and 4 keys on the remote com-

mander and adjust while tracking each other alternately.

2. Adjust the red crosshatch lines go straight vertically and

horizontally and overlaps the green lines with the joystick on

the remote commander.

1. Select RED KEY or PINCUSHION with the 

1 and 4 keys

on the remote commander and adjust while tracking each other

alternately.

2. Adjust the red crosshatch lines go straight horizontally and

overlaps the green lines

with the joystick on the remote commander.

Note : These are required when either severe miss-adjustment or

data loss occurred.

1. Press 

9 key on the remote commander to shift to the fine

adjustment mode.

The red cursor (in the RED mode) appears on the center of the

screen.

2. Use the 

1 and 4 keys or the joystick on the remote com-

mander, move the cursor everywhere you want to adjust and

adjust with the joystick on the remote commander.

1. Remove the lens cap from the blue picture lens to show full

color.

2. Press 

3 key on the remote commander to shift the RED mode

to the BLU mode.

3. Adjust BLU CENT, BLU SKEW, BLU SIZE, BLU LIN, BLU

KEY and BLU PIN in the same procedure of the red registra-

tion adjustment.

1. Store the new adjustment (offset) value on the remote control

by pressing 

[MUTING] and [ENTER].

2. Press the FLASH FOCUS button on the front panel.

(The Offset value is now automatically stored.)

3. Check that no error message appears.

If an error message appears, recheck.

Note: In case of replacing CRTs, adjust the set-up adjustments

(items 3-1 to 3-8) and the registration adjustment (item 3-10).

In case of replacing two or three CRTs at the same time,

replace and adjust one by one.

– 38 –

*  In case of multiple error, last error is displayed.

*  Error code will be displayed on center of screen for 3 seconds.

E 11 B

E 11 B

R. G. B

SENSOR NUMBER

ERROR CODE 10

ERROR

3

0

1

2

SCREEN

0 : UPPER SENSOR

1 : LEFT SENSOR

2 : RIGHT SENSOR

3 : LOWER SENSOR

PJE            2 9             1 4 0
ERR            

ITEM NUMBER-29

ERROR CODE 40

SENSOR NUMBER
(ONLY "10"or "20")

R.G.B

G-0 (Blank)
R-1
B-2

00

No Error

10

Sensor Output Level Low

* Check wiring, beam position, sensor.

0 : Upper Center

1 : Middle Left

2 : Middle Right

3 : Lower Center

20

Sensor Output Level High

* Check OP-amp circuit.

0 : Upper Center

1 : Middle Left

2 : Middle Right

3 : Lower Center

30

Adjustment Loop Counter Overflow

* Check the registring information on the convergence board.

40

Regi Data Overflow

* Check the convergence yoke driver ICs.

50

Regi Data Overflow

60

Offset Overflow

* Convergence patterns displayed are out of normal range.

70

Offset Overflow

ERROR

DISCRIPTION

NOTE

CODE

If an error code is displayed after the set has been fully adjusted, correctly, please check the following items: position, tilt and sizing.  If

either of these adjustments are off, even slightly, the auto-registration pattern will not hit the four sensors properly. This occurs when the

internal generator patterns is being flashed on the screen for the sensors to read.  Therefore, auto registration (called auto-focus) cannot

operate properly causing an error code to be displayed. In order for this function to operate properly, correct position, tilt and size must be

adjusted properly.

– 39 –

When replacing the following components marked with 

on the schematic diagram always check HV regulation, and
if necessary re-adjust.

 :

C517

 :

C517, C521, C522

IC654, L504
T502, T504 (FBT)
D.Y, A board, G board

1. Connect a HV static voltmeter to the unconnected plug of

the high-voltage block. (Fig.4-1)

2. Power on the set.
3. Receive the dot signal. (PICTURE and BRIGHTNESS to

minimum)

4. Check that the HV static voltmeter is reading 31.00

+0.95

  kVdc.

-1.45

1. Connect a HV static voltmeter to the unconnected plug of

the hight-voltage block.

2. Power on the set.
3. Receive the dot signal. (PICTURE and BRIGHTNESS to

minimum)

4. If anode voltage is 31.95kV or higher, replace C517 of 470PF/

2kV with that of 680PF/2kV, and check if the voltage is within
the standard range.

5. If anode voltage is 29.66kV or lower, replace C517 of 470PF/

2kV with that of 100PF/2kV, and check if the voltage is within
the standard range.

When replacing the following components marked with 

on the schematic diagram always check hold-down voltage
and if necessary re-adjust.

 :

R536, R545

 :

C516, C536

D506, D507, D522
IC206, IC502, IC654
L504, R511, R522, R536, R538, R545,
R548, R584
T502, T504 (FBT)
D.Y, A board, G board

1. Remove CN652 connecter.
2. Short-circuit across TP-PROT and ground.
3. Connect a HV static voltmeter to the unconnected plug of

the high-voltage block.

4. Connect a 220 

Ω

/200W variable resistor, across pin 2 and

pin 1 of CN652 and connect an external dc power supply
unit (200V, class 2A) to pin 3 of CN652.

5. First turn on the external power supply (+B=135V), then turn

on the power of the set.

6. Receive the dot signal. (PICTURE and BRIGHTNESS to

minimum)

7. Gradually increase the value of the external dc power supply

and check that the hold-down circuit operates at a static volt-
meter reading of 33.5

±

0.95kVdc when the raster disappears.

1. Repeat steps 1 ~ 7 as above.
2. If hold down voltage is 34.45kV or higher, remove R536,

mount a resistor (150k

Ω

, 1/4W : RN) onto R545 instead, and

check again if the hold-down voltage is within the standard
range.

3. If hold down voltage is 32.55kV or lower, mount a resistor

(220k

Ω

, 1/4W : RN) onto R536 and check again if the hold-

down voltage is within the standard range.

NOTE : Please finish the adjustment as soon as possible

Remove the cap off from
the unused terminal and
cpmmect a static voltmeter
there.

– 40 –

The following adjustments should always be performed when
replacing IC654.
1. Supply 130VAC to with variable autotransformer.
2. Input a dot signal.
3. Set the PICTURE control and the BRIGHTNESS controls to

minimum.

4. Confirm the voltage of G BOARD TP135V is less than

137.0Vdc.

5. If step 4 is not satisfied, replace IC654 and repeat above steps.

1. Connect an external dc power supply to TP OVP.
2. Supply 120VAC to variable autotransformer.
3. Set PICTURE and the BRIGHTNESS controls to minimum.
4. Gradually turn the external dc power supply, and check if

OVP works properly when the voltage of the external dc
power supply is between 139.0 ~ 155.0V.