DHC-FL3, GDM-C520, GDM-C520K, HCD-FL3 - Sony Monitor Service Manual (repair manual). Page 12

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— 13 —
GDM-C520/C520K
a
b
Anode Button
c
ANODE CAP REMOVAL
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. 
REMOVAL PROCEDURES
HOW TO HANDLE AN ANODE CAP
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 fitting 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 firmly 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 .
1-7.  PICTURE TUBE REMOVAL
4
Picture tube
1
Anode cap 
2
A1 board (C block)
3
Neck assembly
CN1
CN2
CN3
CN2
GND
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