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Pull up and rotate A and D Boards
to service the set.

Remove +BVTP 4x16 screws from areas
indicated with a circle.

* = screws for 36" and 38" models only.

Lift lever up on right and left

sides of chassis bracket

and pull chassis assembly

gently away from bezel.

Heat sink on IC5004 is -15V.

Care must be taken not to

allow heat sink to touch any

other components.

Coated

Earth

Ground

Strap

High voltage remains in the CRT
even after the power is discon-
nected. To avoid electric shock,
discharge CRT before attempting
to remove the anode cap. Short
between anode and CRT coated
earth ground strap.

WARNING:  High voltage remains in the CRT even after the power is disconnected. To avoid electrical shock, discharge the CRT before

attempting to remove the anode cap. Short between anode and coated earth ground strap of CRT.

NOTE: 

After removing the anode, short circuit the anode of the picture tube and the anode cap to either the metal chassis, CRT shield,
or carbon painted on the CRT.

Do not use sharp objects which may cause damage to the
surface of the anode cap. 

Do not force turn the foot of the rubber cover. This may cause
the shatter-hook terminal to protrude and damage the rubber. 

To avoid damaging the anode cap, do not squeeze the rubber 
covering too hard. A material fitting called a shatter-hook terminal
is built into the rubber. 

Use your thumb to pull the rubber
cap firmly in the direction indicated
by arrow  

 . 

When one side of the rubber cap
separates from the anode button,
the anode cap can be removed by
turning the rubber cap and pulling
it in the direction of arrow  

 .

Turn up one side of the rubber cap in
the direction indicated by arrow  

 .

1. Discharge the anode of the CRT and remove the anode cap.

2. Unplug all interconnecting leads from the deflection yoke, neck

assembly, degaussing coils and CRT grounding strap.

3. Remove speaker assemblies.

4. Remove the C Board from the CRT.

5. Remove the chassis assembly.

6. Loosen the neck assembly fixing screw and remove.

7. Loosen the deflection yoke fixing screw and remove.

8. Place the set with the CRT face down on a cushion and remove the

degaussing coil holders.

9. Remove the degaussing coils.

10. Remove the CRT grounding strap and spring tension devices.

11. Unscrew the four CRT fixing screws [located on each CRT corner] and

remove the CRT  [Take care not to handle the CRT by the neck].

Before beginning adjustment procedure:

•

 Face the picture tube in East or West direction to reduce the

influence of geomagnetism.

NOTE: Do not use hand degausser because it magnetizes CRT.

1.  Input white pattern from pattern generator. Set the

PICTURE control to maximum and BRIGHTNESS control
to standard.

2.  Perform Focus, G2 and White Balance adjustments.

3.  Loosen the deflection yoke mounting screw and set the

purity control to the center as shown below.

Purity Control

4. Input a green pattern from the pattern generator.

5. Move the deflection yoke backwards and adjust the purity

control so that green is in the center and red and blue are
even on both sides.

                          

6. Move the deflection yoke forward and adjust so that the

entire screen becomes green.

                

7. Switch over the raster signal to red and blue and confirm

the condition.

8. When the position of the deflection yoke is determined,

tighten it with the deflection yoke mounting screw.

9. If landing at the corner is not right, adjust by using the disk

magnets.

The following adjustments should be made when
a complete realignment is required or when a new
picture tube is installed.

These adjustments should be performed with rated
power supply voltage unless otherwise noted.

Set the controls as follows unless otherwise noted:

VIDEO MODE: STANDARD (RESET)

Perform the adjustments in order as follows:

1. Beam Landing
2. Convergence
3. Focus
4. Screen (G2)
5. White Balance

Note: Test equipment required:

• Color Bar Pattern Generator

• Degausser

• DC Power Supply
• Digital Multimeter

Before beginning adjustment procedure:

• 

Input a cross hatch pattern signal.

• 

Face the picture tube in North/South direction and correct

rotation.

• 

Video Mode: Standard (Reset)

1. Adjust service mode CXA2150D-1 04 VCEN so that top

pin and bottom pin are symmetrical from top to bottom.

2. Adjust service mode CXA2150D-1 05 VPIN so top and

bottom pin are symmetrical from top to bottom.

3. Lines should be straight from left to right. Check landing for

side effect.

Before starting convergence adjustments:

• 

Set CONTRAST AND BRIGHTNESS control to 50%.

• 

Input dot pattern signal.

1.  Disconnect dynamic convergence before adjusting static

convergence (CN5510), except for minor touch-up.

2. Adjust H.STAT convergence, RV 9001, to converge red,

green and blue dots in the center of the screen.

3. Adjust V.STAT magnet to converge red, green and blue

dots in the center of the screen.

4. Tilt the V.STAT magnet and adjust static convergence to

open or close the V.STAT magnet.

 

B

G
R

B

G
R

The respective dot positions resulting from moving each
magnet interact, so perform the following adjustment while
tracking.

Use the V.STAT tabs to adjust the red, green, and blue dots
so they line up at the center of the screen (move the dots in
a horizontal direction.)

HMC Correction

HMC Correction

R

G

B

A=B

A

B

R

G

B

A=B

A

B

R

G B

A>B

A

B

R

G

B

A<B

A

B

VMC Correction

R

G

B

C<D

C

D

R

G

B

C=D

VMC Correction

R

G

B

C<D

C

D

R

G

B

C=D

• 

 Input crosshatch pattern.

•  

Adjust unbalanced horizontal convergence of red and blue

dots by adjusting TLH plate on the deflection yoke.

TLH Plate

RV9002

RV9001

W Board

C Board

TLV

XCV

1.  Adjust XCV core to balance X axis.

2.  Adjust vertical red and blue convergence with V.TILT

(TLV VR).

Note: Perform adjustments while tracking item 1.