Servicing Precautions - Toshiba 65H80 Service Manual

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Owner's manual (56 pages)

Table Of Contents

Table of Contents

TO REMOVE CRT (Same procedure for R, G, B)

1. Remove CRT DRIVE Board, S. V. M. COIL and DEF.

YOKE from CRT.

2. Remove Lens Assembly.

3. Detach CRT Anode Cap from CRT.

4. Remove CRT Assembly from CRT Mounting.

CRT REPLACEMENT (Same procedure for R, G, B)

Reverse the removal procedures except the followings.

1. Anode Cable should be replaced with new one.

See "SERVICING PRECAUTIONS" shown below.

2. Install silicon (T461B) to the CRT, replace the Anode

cable and put enough silicon again on around the An-

ode Cap as illustrated.

CAUTION: Align the Anode cable as illustrated on page

ADJUSTING PROCEDURE IN REPLACING CRT

1. R.G.B. FOCUS ADJUSTMENT (page 7.)

2. PICTURE TILT ADJUSTMENT (page 7.)

3. USER CONVERGENCE CENTER CHECK

(See owner's manual.)

4. CENTERING ADJUSTMENT (page 7.)

5. CONVERGENCE ADJUSTMENT (page 14.)

6. WHITE BALANCE ADJUSTMENT (page 13.)

Adjustments are complete.

Do not use a magnetized screw driver for screws

of Deflection Yoke and Velocity Modulation Coil to

avoid magnetization of electron gun.

Magnetization of electron gun will degrade basic

function and result in unbalance of right and left

shift of user static convergence, and result in no

variable quantity.

Screw for SVM coil