Servicing Precautions - Toshiba DW65X91 Service Manual

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
4.
ADJUSTING PROCEDURE IN REPLACING CRT
1. R.G.B. CUTOFF (SCREEN VR) ADJUSTMENT
(See owner's manual)
2. R.G.B. FOCUS ADJUSTMENT (page 7.)
3. PICTURE TILT ADJUSTMENT (page 7.)
4. USER CONVERGENCE CENTER CHECK
(See owner's manual)
5. CENTERING ADJUSTMENT (page 7.)
6. CONVERGENCE ADJUSTMENT (page 18.)
7. WHITE BALANCE ADJUSTMENT (page 17.)
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 D.Y
Screw for SVM coil

SERVICING PRECAUTIONS

– 5 –
Silicon
(On shaded area)
TSE3843W #23960136
15 ~ 25 mm
When replacing the anode cap assembly (CRT) or
anode lead assembly (F.B.T.), remove the anode lead
holder from old one and attach the holder again to
new anode lead.
Check the point of anode lead in a straight
line, if it is winding, please revise it.
Anode lead holder
Anode Cap
2 ~ 5 mm