DOWNLOAD Sony KV-LS212M90 Service Manual ↓ Size: 6.94 MB | Pages: 69 in PDF or view online for FREE

Model
KV-LS212M90
Pages
69
Size
6.94 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-ls212m90.pdf
Date

Sony KV-LS212M90 Service Manual ▷ View online

– 8 –
KV-LS212M90
   RM-GA002
2-3.  Connector Assy, 5P (YUV wire) dressing
2-4.  Connector dressing on A PWB
CAUTION : 
1)  Dress Lead Assy, Jumper according to the green route.
 
=> Ensure Lead Assy, Jumper is dress away from shield case in the boxed area. 
 
=> Ensure Lead Assy, Jumper is dress below Conn Assy, 5P (YUV).
Make sure the Connector Assy, 
5P is kept close to board surface. 
Make sure the UL tape is positioned
at the sharp edge of shield case to
prevent wire from being scratched
R121
Lead Assy, Jumper
Keep Lead Assy, Jumper away from 
shield case --> C/M for OSD drift from 
RF to Video mode
Connector Assy, 5P & Lead Assy, 
Jumper go around shield case & 
dress with pin wire A021
Conn Assy, 5P (YUV)
Lead Assy, Focus
Make sure rubber cap is pushed
down to make sure it covers
the FBT flange completely
FBT Flange
FBT Flange
AC Cord Holder
540 ± 5 mm
RY600
Dress AC Power Cord and Lead
Assy, Speaker (WHT+BLK) with  
Pin, Wire A016
Keep wires above of RY600 
---> to avoid wires from being 
sandwiched with front jack and 
pushed against relay
Pull wires towards right to prevent slacking, then 
dress wires above capacitors' height as shown
--> prevent from touching high temperature parts
Dress AC Power Cord with Standing 
Purse Lock, followed by Lead Assy, 
Earth & Lead Assy, Speaker 
(RED+BLK).
Pull towards right
Lead Assy, 
Speaker (RED+BLK)
AC Power Cord
Lead Assy, Earth
Standing Purse 
Lock
2-5.  AC Power Cord, Lead Assy, Speaker and Lead Assy, Earth dressing at A board
Make sure Conn Assy, 5P 
does not touch resistor, R121
HV Cap Assy
Lead Assy, G2
– 9 –
KV-LS212M90
   RM-GA002
2-6.  Earth Coating Assy installation at CRT
2-7.  Caution for chassis docking process
2-8.  DGC Connector, Lead Assy, Speaker and Lead Assy, Earth dressing
Make sure the round side 
of spring tension is 
installed to Earth Assy, 
Coating
Earth Assy, 
Coating
Ensure wire is not trapped 
between bottom cover's rib 
& PWB while docking chassis. 
Ensure wire does not 
go underneath PWB 
while docking chassis. 
Ensure wire is not 
scratched by residue 
(sharp edge)
OK
NG
Pin Lead
CRT Support
Note *: Wiredressing done during chassis half way docked unto beznet.
CAUTION:
1
.  Dress speaker wires above capacitors near it --> prevent from touching high-temp parts.
Standing Purse Lock
Dress AC Power Cord and Lead Assy, 
Speaker (WHT+BLK) with Pin, wire A016
Make sure Lead Assy, 
Earth is kept away from group of heatsinks 
Dress DGC Conn together with AC Power Cord, Lead Assy, Earth & Lead Assy, 
Speaker (RED+BLK) which are dressed during Chassis Assy as shown in 2-5
Dress wires away from beznet's front terminal --> Prevent wires from being
sandwiched when docking chassis.
DGC Conn
Lead Assy, 
Speaker (RED+BLK)
AC Power Cord
Lead Assy, Earth
Standing Purse 
Lock
– 10 –
KV-LS212M90
   RM-GA002
2-9.  Earth Assy, Coating dressing
2-10.  Wire Dressing on CV board
2-12.  Lead Assy, Speaker (Left), AC Power Cord and Front Control wire dressing
2-11.  Lead Assy, Speaker (Right) & Conn. Dressing
Make sure Earth Assy, Coating wire is kept close to
CRT surface & away from heat sink and other high 
temperature parts.
 --> Position between CRT surface and DGC.
Make sure Conn Assy, 
7P (RGB) is not 
in direct contact with heat sink.
Conn Assy, 7P (RGB)
Pin, Wire A706
Cable Tie, A
Pin, Wire A702
1)  Dress Conn Assy, 7P (RGB) with Pin, Wire A702 
   & dress with cable tie at alignment hole A.
2)  Dress Conn Assy, 4P (VM) with Pin, Wire A706 
CAUTION
Keep wires away from sharp edge of spring extension 
--> to prevent scratching on wires
Spring extension
Ensure wires do not touch heat sink or 
other high temperature parts. 
Lead Assy, Speaker is sandwiched 
between DGC & CRT surface.
Keep Lead Assy, Speaker & DGC 
Conn close to CRT surface.
Keep wires away from sharp edge 
of spring extension --> to prevent 
scratching on wires.
Auto DGC P/N :
1-457-409-XX
Black Tape
Ensure DGC conn is in front of DGC 
before dress with standing purse lock.
Make sure wire does not touch heat sink or 
other high temperature parts. 
Ensure DGC Conn is 
kept behind of DGC
Standing purse lock
Ensure DGC Conn is 
kept behind of black 
tape.
Front Control wire
Figure A
H1 board
 Wire is placed behind DGC
CAUTION : during Bottom Cover docking
Front Control wire possible to get trap at edge 
where beznet and bottom cover meet.
1) To prevent this, temporary place wire 
  behind DGC.
2) Take out wire for final dressing shown in 
  Figure D.
Lead Assy, Speaker is sandwiched 
between DGC & CRT surface.
Figure B 
Lead Assy, Speaker 
Ensure the wire is keep away 
from CRT support to prevent 
rattle sound & do not touch 
solder side of H1 Board to avoid 
wire scratched.
Make sure Front Control 
wire lie flat on bottom cover 
and dressed around 
AC Power Cord as shown. 
=> Keep wire away from 
nearby heat sink.
Front Control 
wire
Bottom Cover
AC Power Cord
Conn Assy, 4P (VM)
Figure C 
Figure D 
Insert AC Power Cord 
in CRT support's hook
– 11 –
KV-LS212M90
   RM-GA002
2-13.  Lead Assy, Speaker wiredressing
2-14.  DY Connector Dressing
Tape
Tape Lead Assy, Speaker in 
between of beznet bosses as shown. 
Make sure that capacitor does not 
touch CRT surface.
Right Speaker
Left Speaker
Capacitor
Beznet boss
Beznet boss
Make sure Lead Assy, 
Speaker is taped to beznet 
--> to keep wires away from 
rear cover stacking boss.
Use heatsink height to
estimate purse lock location
TVSR (Clause 9.4.7)
:
All wires must be kept away from FBT
area by a distance of 10mm or more.
Purse Lock Ø5
Conn Assy, 5P
(200V)
DY Connector
1) DY Connector goes underneath 
of Earth Assy, Coating and 
Connector Assy, 5P (200V) wire.
1
2
2) DY Connector goes above 
Connector Assy, 5P (200V) wire.
DY Connector
Conn Assy, 5P (200V)
Earth Assy, Coating
Purse Lock Ø5
Dress wires away 
from FBT 
3
3) Dress DY Connector and 
Connector Assy, 5P (200V) wire 
with Purse Lock Ø5.
Make sure DY Connector is 
on the right side of Earth Assy, 
Coating
Page of 69
Display

Click on the first or last page to see other KV-LS212M90 service manuals if exist.