DOWNLOAD Sony KV-21FA340L Service Manual ↓ Size: 12 MB | Pages: 106 in PDF or view online for FREE

A Board 

HD Board

K3 Board

(Anode Button is visible after removing the Anode Cap)

1

3

2

1  Remove anode cap [see ANODE CAP REMOVAL PROCEDURE].

2  Release the AC Power cord.

3  Rotate the A Board and the HD Board

1.  Discharge the anode of the CRT and remove the 

anode cap.

2.  Unplug all interconnecting leads from the 

defl ection yoke, neck assembly, degaussing coils 
and CRT grounding strap.

3.  Remove the CV Board from the CRT.

4.  Remove the chassis assembly.

5.  Loosen the neck assembly fi xing screw and 

remove.

6.  Loosen the defl ection yoke fi xing screw and 

remove.

7.  Place the set with the CRT face down on a 

cushion and remove the degaussing coil holders.

8.  Remove the degaussing coils.

9.  Remove the CRT grounding strap and spring 

tension devices.

10. Unscrew the four CRT fi xing screws [located on 

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

WARNING: High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to  
remove the anode cap.  Short between anode and coated earth ground strap of CRT. 
NOTE:  After removing the anode cap, 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. 

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

cap. 

2.  To avoid damaging the anode cap, do not squeeze the rubber covering too 

hard. A material fi tting called a shatter-hook terminal is built into the rubber. 

3.  Do not force turn the foot of the rubber cover. This may cause the shatter-hook 

terminal to protrude and damage the rubber.

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

Use your thumb to pull the rubber
cap fi rmly in the direction indicated
by arrow  b  .

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  c  .

a

b

Anode Button

c

2

4

1

10

7

8

9

6

5

3

☛

FOR 21"

Dress 5P (A/CN403~K3/CN3405), 4P 
(HD/CN2401~K3/CN3401), 12P harness 
(HD/CN2005~A/CN003), 3P 
(HD/CN2403~K3/CN3402), lightening cable & 
Right speaker using a 9mm purse lock (3-703-
982-02) as shown in picture.
Take as purse lock reference position D2002 
(LED)

☛