Sony KV-DB29M30 Service Manual ▷ View online
– 5 –
KV-DB29M30/M61/M90
RM-GA001
SECTION 1
DISASSEMBLY
1
Two hooks
2
F1 Board
3
One screw
(+BVTP 3 × 12
TYPE2 IT-3)
4
One screw
(3 × 12),(+) BVTAP
2
One screw
(+BVTP 4 × 16
TYPE2 IT-3)
1
Terminal bracket
5
One screw
(3 × 12),(+) BVTAP
1
Two Tapping Screws
(+PWH 4x16)
2
Two screws
(+BVTP 4x16
TYPE IT-3)
TYPE IT-3)
1-2.
SPEAKER REMOVAL
1-3.
CHASSIS ASSY REMOVAL
1-4.
SERVICE POSITION
1-5.
TERMINAL BRACKET REMOVAL
1-1.
REAR COVER REMOVAL
1-6.
F1 BOARD REMOVAL
1
Twelve screws
(+BVTP 4 × 16
TYPE2 IT-3)
2
Rear cover
– 6 –
KV-DB29M30/M61/M90
RM-GA001
1
Five screws
(+BVTAP 3 × 12)
4
One screw
(Washer head)
(+BVTP 3 × 12)
(+BVTP 3 × 12)
3
Five Hooks
2
D Board
1-8.
H1 AND H2 BOARDS REMOVAL
1-9.
D BOARD REMOVAL
1-10. A1 AND BH1 BOARDS REMOVAL
1-7.
DL1 BOARD REMOVAL
2
Six Hooks
4
Four Hooks
3
H2 Board
1
H1 Board
2
DL1 Board
1
Three Hook
1
Three screws
(+P4 × 16)
4
Two clips
2
A1 Board
4
Two Hook
2
BH1 Board
– 7 –
KV-DB29M30/M61/M90
RM-GA001
• REMOVAL OF ANODE-CAP
Note:
• After removing the anode, short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or
carbon paint on the CRT.
•
REMOVING PROCEDURES
1 Turn up one side of the rubber cap in the direction
indicated by the arrow a.
2 Using a thumb pull up the rubber cap firmly in the direction
indicated by the arrow b.
3 When one side of the rubber cap is separated from the
anode button, the anode-cap can be removed by turning
up the rubber cap and pulling it up in the direction of the
arrow c.
up the rubber cap and pulling it up in the direction of the
arrow c.
•
HOW TO HANDLE AN ANODE-CAP
1 Do not damage the surface of anode-caps with sharp
shaped objects.
2 Do not press the rubber too hard so as not to damage
the inside of anode-cap.
A metal fitting called the shatter-hook terminal is built
into the rubber.
A metal fitting called the shatter-hook terminal is built
into the rubber.
3 Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage the
rubber.
rubber.
1-11. PICTURE TUBE REMOVAL
Note:
• The picture tube is upside down for KV-DB29M30(South Africa) only, and the position for the anode cap and tension springs
are changed accordingly.
• Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom right
and left.
1) Remove the Rear Cover.
2) Unplug all interconnecting leads from the Deflection Yoke, Neck Assy, Degaussing Coils and CRT grounding strap. Remove
2) Unplug all interconnecting leads from the Deflection Yoke, Neck Assy, Degaussing Coils and CRT grounding strap. Remove
Chassis Assy.
3) Place the TV set with the CRT face down on a cushion (jig).
a
a
b
b
c
Anode Button
qa
Earth Coating Assy
4
Anode Cap Removal
8
Band, DGC Removal
9
Holder, DGC Removal (x2)
qd
Supports, CRT Removal (x2)
qs
Spring Tension Removal (x2)
qf
Screw Tapping 7+ Crown Washer
q;
Degaussing Coil
6
Loosen the Neck Assembly
fixing screw and remove
Neck Assy & VM1 Board
7
Loosen the Deflection Yoke
fixing screw and remove
5
C1 Board Removal
– 8 –
KV-DB29M30/M61/M90
RM-GA001
SECTION 2
SERVICE JIG
2-1. JIGS REQUIRED FOR SERVICING
REF NO.
DESCRIPTION
QUANTITY
PART NO. REMARK
J-3
TOOL(50P-A),SERVICE
1
3-702-765-01 For A1 to BH1 board extension
SECTION 3
CIRCUIT BOARDS LOCATION
SAMPLE
A1 Board
C1 Board
F1 Board
H1 Board
VM1 Board
DL1 Board
BH1 Board
D Board
H2 Board
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