DOWNLOAD Sony KV-21FA310 (serv.man2) Service Manual ↓ Size: 7.28 MB | Pages: 124 in PDF or view online for FREE

1  Lift to remove Subwoofer 

       from top of Rear Cover.
          (KV-21FA310/29FA310 Only)

2  Remove screws from top of cover.

       2 SCREWS +BVTP 4X16 TYPE2 IT-3 
          (KV-21FA310/21FV310 Only)
       3 SCREWS +BVTP 4X16 TYPE2 TT(B)
       (KV-29FA310/29FV210 Only)

3  Remove screws from sides of cover.

       4 SCREWS +BVTP 3X12 TAPPING-2 each side
        (KV-21FA310/21FV310 Only)
       6 SCREWS +BVTP 4X16 TYPE2 TT(B)-3 each side
       (KV-29FA310/29FV210 Only)

4  Remove screws from back of cover.

       5 SCREWS +BVTP 4X16 TYPE2 IT-3 
         (KV-21FA310/21FV310 Only)
       4 SCREWS +BVTP 4X16 TYPE2 TT(B)
       (KV-29FA310/29FV210 Only)

5  Remove rear cover

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1  Remove screws from top of cover.

       4 SCREWS +BVTP 4X16 TYPE2 TT(B) 

2  Remove screws from sides of cover.

       6 SCREWS +BVTP 4X16 TYPE2 TT(B)
        -3 each side

3  Remove screws from back of cover.

       2 SCREWS +BVTP 4X16 TYPE2 TT(B) 

4  Remove rear cover

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1  Press on catch tab to release AW Board.

2  Holding onto the Boards and

      slide the chassis out.

1  Press on catch tab to release AW Board.

2  Holding onto the BS Board and

       the AW Board, slide the chassis out.

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1  Release the Power Cord and connectors leading to the MT Board 

       from the Purse Locks.

2  Press on catch tab to release A Board.

3  Gently pull the Boards forward to access the H Boards (HE, HS, or HU).

4  If necessary, disconnect the AW Board from the appropriate H Board 

       by using tweesers to push in the VI Hinges from the back of the boards.

5  Gently rotate the AW Board to place into service position.

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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 C Board (29” Models) or CV Board 

(21” Models) 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

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