Sony KD-27FS170 Service Manual ▷ View online
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170
10
1-3. SERVICE POSITION
1 Release the M Board.
2 Release the A Board wires from Clip Holder.
3 Press on catch tab to release A Board.
4 Remove Power Cable Holders by gently rocking to release clips.
5 Gently pull the A Board forward until the HS Board has cleared the bracket.
6 Gently continuing pulling the A Board and HS Board forward to place in service position.
A Board
HS Board
M Board
VD Board
CV Board
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170
11
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.
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.
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].
care not to handle the CRT by the neck].
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.
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.
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.
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 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 .
the direction indicated by arrow a .
Use your thumb to pull the rubber
cap fi rmly in the direction indicated
by arrow b .
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 .
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
4
1
10
9
8
7
6
2
3
5
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170
12
CABLE WIRE DRESSING
KD-27FS170
- Dress Right & left speaker wire through DGC's tie wrap as picture shows.
- Make a knot in Right speaker wire as shown in picure
- Make a knot in Right speaker wire as shown in picure
KD-27FS170 MODELS ONLY
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170
13
KD-27FS170
Dress RGB harness (A/CN301~ C/CN705) using a 9mm
purse lock (3-703-982-02).
purse lock (3-703-982-02).
Make a knot in Heater (A/CN503~C/CN901) harness
between black tapes as shown in picture.
between black tapes as shown in picture.
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