Picture Tube Removal; Anode Cap Removal - Sony GDM-F520 Trinitron Service Manual

1-7. PICTURE TUBE REMOVAL

Picture tube
4
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
a
Turn up one side of the rubber cap in the
direction indicated by arrow a .
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.
Anode cap
1
Neck assembly
3
CN7

ANODE CAP REMOVAL

b
Use your thumb to pull the rubber
cap firmly in the direction indicated
by arrow b .
GND
CN3
CN2
CN1
— 13 —
A2 board
2
(C block)
c
Anode Button
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 .
GDM-F520