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PDF KV-21FW150 Data sheet ( Hoja de datos )
| Número de pieza | KV-21FW150 | |
| Descripción | TRINITRON COLOR TELEVISION SERVICE MANUAL | |
| Fabricantes | Sony | |
| Logotipo |  |
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
MODEL NAME
KV-21FW150
KV-21FW150
REMOTE COMMANDER
RM-YA005
RM-YA005
DESTINATION
LATIN NORTH
LATIN SOUTH
BX-1S CHASSIS
CHASSIS NO.
SCC-S79W-A
SCC-S79X-A
ORIGINAL MANUAL ISSUE DATE: 3/2007
REVISION DATE
3/2007
SUBJECT
No revisions or updates are applicable at this time.
9-883-738-01
TRINITRON® COLOR TELEVISION
1 page  
WARNINGS AND CAUTIONS
KV-21FW150
CAUTION
Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield, or carbon painted on the CRT, after
removing the anode.
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis. The chassis of this
receiver is directly connected to the AC power line.
! SAFETY-RELATED COMPONENT WARNING!!
Components identified by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe
operation. Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published
by Sony. Circuit adjustments that are critical for safe operation are identified in this manual. Follow these procedures whenever critical
components are replaced or improper operation is suspected.
KV-21FW150
5
5 Page 
KV-21FW150
1-4. PICTURE TUBE REMOVAL
WARNING: BEFORE REMOVING THE ANODE CAP
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 CRT
coated earth ground strap.
2
3
9
4
1
10
8
7
6
5
1. Discharge the anode of the CRT and remove
the anode cap.
2. Unplug all interconnecting leads from the
deflection yoke, neck assembly, degaussing
coils and CRT grounding strap.
3. Remove the C Board from the CRT.
4. Remove the chassis assembly.
5. Loosen the neck assembly fixing screw and
remove.
6. Loosen the deflection yoke fixing 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 fixing screws [located on
each CRT corner] and remove the CRT [Take
care not to handle the CRT by the neck].
ANODE CAP REMOVAL PROCEDURE
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
c
b
a
Turn up one side of the rubber cap in
the direction indicated by arrow a .
HOW TO HANDLE AN ANODE CAP
Use your thumb to pull the rubber
cap firmly in the direction indicated
by arrow b .
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 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 .
KV-21FW150
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet KV-21FW150.PDF ] | |
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