Sony KV-DB34M61 Service Manual ▷ View online
– 5 –
KV-DB34M61
RM-GA001
SECTION 1
DISASSEMBLY
1-1.
REAR COVER REMOVAL
1-2.
SPEAKER REMOVAL
1-3.
CHASSIS ASSY REMOVAL
1-4.
SERVICE POSITION
1-5.
TERMINAL BRACKET REMOVAL
1-6.
F1 BOARD REMOVAL
1 Fourteen screws
(+BVTP 4 × 16
TYPE2 IT-3)
(+BVTP 4 × 16
TYPE2 IT-3)
2 Rear cover
1 Two Tapping Screws
(+PWH 4x16)
(+PWH 4x16)
2 Two screws
(+BVTP 4x16
TYPE IT-3)
(+BVTP 4x16
TYPE IT-3)
4 One screw
(+BVTP 3 × 12
TYPE2 IT-3)
(+BVTP 3 × 12
TYPE2 IT-3)
2 One screw
(3 × 12),(+) BVTAP
(3 × 12),(+) BVTAP
3 One screw
(+BVTP 4 × 16
TYPE2 IT-3)
(+BVTP 4 × 16
TYPE2 IT-3)
5 Terminal bracket
1 One screw
(3 × 12),(+) BVTAP
(3 × 12),(+) BVTAP
1 Two clips
2 F1 Board
– 6 –
KV-DB34M61
RM-GA001
1-8.
H1 AND H2 BOARDS REMOVAL
1-9.
D BOARD REMOVAL
1-10. A1 AND BH1 BOARDS REMOVAL
1-7.
DL BOARD REMOVAL
2 DL Board
1 Three clips
1 Five hooks
2 H1 Board
4 H2 Board
3 Four hooks
3 Five hooks
4 D Board
1 Five screws
(+BVTAP 3 × 12)
(+BVTAP 3 × 12)
2 One screw
(Washer head)
(+BVTP 3 × 12)
(Washer head)
(+BVTP 3 × 12)
5 BH1 Board
4 Two clips
3 A1 Board
2 Three Hooks
1 Three screws (+P4 × 16)
– 7 –
KV-DB34M61
RM-GA001
4
Anode Cap Removal
8
Band, DGC Removal
0
Degaussing Coil
6
Loosen the Neck Assembly
fixing screw and remove
Neck Assy & VM1 board
Neck Assy & VM1 board
7
Loosen the Deflection Yoke
fixing screw and remove
5
C1 Board Removal
qs
Spring Tension
Removal (x2)
9
Holder, DGC
Removal (x2)
qa
Earth Coating Assy
qd
Supports, CRT
Removal (x2)
qf
Screw Tapping 7+ Crown Washer
1-11. PICTURE TUBE REMOVAL
Note:
• Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom right
and left.
• When removing the Nut Locking: first make sure to hold the Nut special CRT with a spanner while opening the Nut Locking
using a torque driver. Then proceed to remove the Nut special CRT using a torque driver.
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).
• 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 direc-
tion 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.
turning 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.
the rubber.
a
a
b
b
c
Anode Button
– 8 –
KV-DB34M61
RM-GA001
SECTION 2
SERVICE JIG
2-1. JIGS REQUIRED FOR SERVICING
DESCRIPTION
PART NO.
REMARK
TOOL (50P-A), SERVICE
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
DL Board
BH1 Board
D Board
H2 Board
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