Sony KV-SR253M53 Service Manual ▷ View online
– 8 –
KV-SR253M53
RM-GA002
SECTION 2
WIRE DRESSING
2-1. Lead Assy, Jumper wire dressing at A board
2-2. Wire Dressing at A and H4H5 board
i) Insert and dress Conn Assy, 4P into hook.
ii) Make sure it must be into hook and upper CONNECTOR ASSY,7P
W018
C244
not touch Heatsink
W075
W082
W077
W016
W010
W084
W065
Dress both Lead
Assy, Jumpers
around CN905,
C903 and
below Conn
Assy, 5P YUV
Keep Lead Assy, Jumpers
away from R121
CN905
P/N 1-910-026-28
P/N 1-923-512-11
Conn Assy,
5P YUV
C903
C514
Dress both Lead Assy,
Jumpers along edge of
shield case
Dress Lead Assy, Jumper far
away from C514 and T501.
away from C514 and T501.
T501
CN1652
CN4602
CN3101
CN3905
CN1900
CN3907
Pin, wire
TVSR:
Connector assy must be kept away from
primary area (10mm minimum).
Connector assy must be kept away from
primary area (10mm minimum).
CAUTION:
1. Do not overpull the wire during dressing
_> avoid disconnection of wires.
2. Make sure wires are kept away from
sharp edges, heatsinks & other
hight-temperature parts.
1. Do not overpull the wire during dressing
_> avoid disconnection of wires.
2. Make sure wires are kept away from
sharp edges, heatsinks & other
hight-temperature parts.
Legend:
Hook
– 9 –
KV-SR253M53
RM-GA002
2-3. Dressing of Conn Assy, 4P VH
2-4. Dressing of Conn Assy, 5P YUV
Dress Conn Assy, 4P VH into hook as shown.
2-5. Dressing of Conn Assy, 4P VM and connector Assy, 5P Front In
Dress Conn Assy, 4P VM behind Conn Assy, 5P Front In as shown.
Conn Assy, 5P Front In is used to prevent Conn Assy, 4P VM from bending towards T504, R579 and R5032
(high temperature parts).
(high temperature parts).
CN6101
CN1651
CN007
CN905
Pin, wire
A019
Pin, wire A017
Dress Conn Assy, 5P YUV
around shield case
Keep wires
away
from R121
Make sure the UL tape is positioned at
the sharp edge of shield case to prevent
CN9201
Conn Assy, 5P YUV
R5032
Dress Conn Assy, 4P VM
behind Conn Assy,
5P Front In
T504
CN003
Conn Assy,
5P Front In
Conn Assy, 4P VM
R579
Lead Assy, Earth is
above Conn Assy, 5P Front
Deflection area
CN9201
CAUTION:
Keep Conn Assy, 5P front
In away from deflection
area (T504, R5032, etc.)
when dressing.
Keep Conn Assy, 5P front
In away from deflection
area (T504, R5032, etc.)
when dressing.
Dress Conn Assy, 5P YUV around shield case.
Use pin, wires A019 and A017 to dress up conn Assy, 5P YUV
as shown.
Use pin, wires A019 and A017 to dress up conn Assy, 5P YUV
as shown.
– 10 –
KV-SR253M53
RM-GA002
2-6 i) Installation and dressing of Earth Assy, Coating
1) Earth Assy, Coating is installed as shown in Figures (a) and (b)
2-6 ii) Installation and dressing of Earth Assy, Coating
2) Insert the 2 Earth Assy, Coating wires to CN702 &
CN705 as shown.
3) Insert Conn Assy, 7P RGB into CN701.
CN705 as shown.
3) Insert Conn Assy, 7P RGB into CN701.
coating wire must upper rot coil
Right side
Left side
Figure (b)
CV board
CN701
Heatsink A751
CN705
CN702
Conn Assy, 7P ,RGB
Earth Assy,
Coating wires
BLK+BLK
to CN705
to CN705
BLK+BLK
to CN702
to CN702
Earth Assy, Coating
CV board
CN702
CN705
Figure (a)
– 11 –
KV-SR253M53
RM-GA002
2-7 Insertion of Lead Assy, H
Insert Lead Assy, H static into CRT socket and
RV750 as shown.
Make sure the wire is naturally curved, to avoid
touching CRT neck.
RV750 as shown.
Make sure the wire is naturally curved, to avoid
touching CRT neck.
Note: Dress while chassis is halfway docked into beznet.
2-9 CV board Connector Assy wire dressing
1) Dress Conn Assy, 6P and Conn Assy, 4P VM using tie, cable at alignment hole 'B' on CV board as shown.
2) Dress Conn Assy, 4P 200V; Conn Assy, 6P; Conn Assy, 4P VM; Lead Assy, G2
and Lead Assy, Focus with purse lock
∅ 9.
2-8 Dress Lead Assy, Earth and Conn Assy,
5P Front In with purse lock
5P Front In with purse lock
∅ 9
Lead Assy, Earth
Make a 'S' shaped loop on Conn
Assy, 5P Front In and dress together
with Lead Assy, Earth using purse
lock
∅ 9.
Conn Assy, 5P Front In
Lead Assy, Earth
CAUTION:
Purse lock
∅
9
CN8108-CN606&607
CN8206-CN2103
CN8203-CN2102
Tie, cable at alignment hole
CAUTION:
Prevent tie, cable from touching rear
cover or any enclosures by turning
them away from it --> avoid rattle
sound. Also prevent tie, cable's end
from touching solder side of board.
Prevent tie, cable from touching rear
cover or any enclosures by turning
them away from it --> avoid rattle
sound. Also prevent tie, cable's end
from touching solder side of board.
Lead Assy, H
Static
RV750
CRT
socket
CRT neck
Prevent tie, cable from touching rear cover or any enclosures by
turning them away from it --> avoid rattle sound. Also prevent tie,
cable's end from touching solder side of board.
turning them away from it --> avoid rattle sound. Also prevent tie,
cable's end from touching solder side of board.
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