DOWNLOAD Sony KV-DR34M97 Service Manual ↓ Size: 17.82 MB | Pages: 127 in PDF or view online for FREE

Model
KV-DR34M97
Pages
127
Size
17.82 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-dr34m97.pdf
Date

Sony KV-DR34M97 Service Manual ▷ View online

– 9 –
KV-DR34M97
RM-991
$ Band, DGC(1) Removal (only top-side)
5 Anode Cap Removal
) Earth Coating Assy(2) Removal
7 Loosen the Neck Assembly 
 
fixing screw and remove
9 Loosen the Deflection Yoke
 
fixing screw and remove
6 C Board Removal
! Chassis Assy Removal
8 VM Board Removal
( Spring Tension(2) 
 Removal
# Supports, CRT(2) Removal
& DGC(2) Removal
% Holder, DGC(2) Removal
~ Nut, Locking (4)  
+ Nut special CRT (4)  
" Bracket Woofer(2) Removal
1-12. H1 AND H2 BOARDS REMOVAL
1-13. A AND D BOARDS REMOVAL
1-14. 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) Place the TV set with the CRT face down on a cushion (jig).
2) Removal the Rear Cover.
3) Removal the 3D Box.
4) Unplug all interconnecting leads from the Deflection Yoke, Neck Assy, Degaussing Coils and CRT grounding strap.
5 One screw
    (3 
× 12)(+)(BVTP)
2 Three screws
    (3 
× 12)(+) BVTP
3 Four hooks
5 One screw
    (3 
× 12)(+)(BVTP)
1 Five connectors
6 Four hooks
7 D Board
4 A Board
3 Three hooks
1 Five hooks
4 Cover, H
2 H1 Board
5 H2 Board
– 10 –
KV-DR34M97
RM-991
• 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
Turn up one side of the rubber cap in the direction
indicated by the arrow 
a.
Using a thumb pull up the rubber cap firmly in the direc-
tion indicated by the arrow 
b.
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.
• HOW TO HANDLE AN ANODE-CAP
Do not damage the surface of anode-caps with
sharp shaped objects.
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.
Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage
the rubber.
a
a
b
b
c
 Anode Button
– 11 –
KV-DR34M97
RM-991
SECTION 2
SERVICE JIG
2-1. JIGS REQUIRED FOR SERVICING
REF NO.
DESCRIPTION
QUANTITY
PART NO.               REMARK
J-1
TOOL(20P),SERVICE
1
3-702-763-01         For A to BC1 board extension
1
                              For A to P board extension
J-2
TOOL(40P),SERVICE
1
3-702-764-01         For A to B3 board extension
J-3
TOOL(50P-A),SERVICE
1
3-702-765-01         For D to D5 board extension
J-4
TOOL(7PX2),SERVICE
1
3-702-775-01         For  A  to  V2  board extension
                              (not used for this model)
SECTION 3
CIRCUIT BOARDS LOCATION
J-1
J-2
J-3
J-4
D Board
D5 Board
B3 Board
J Board
P Board
A Board
F1 Board
BC1 Board
V2 Board (not used for this model)
H1 Board
VM Board
H2 Board
C Board
DH Board
– 12 –
KV-DR34M97
RM-991
SECTION 4
ADVANCE OPERATION
4-1. "RESET" FUNCTION
1. Purpose
If a customer faces some setting problem that cannot be solved, using the "RESET" function some items will be
reset to its original setting (shipping condition)
2. How to Operate
There are 2 ways to access to the "RESET" Function:-
a) By pressing "RESET" button on the Remote Commander.
b) By pressing "MENU" button on the Front Key Input and hold it down for 5 seconds.
3. Subsequent of Operation
Sequential to the resetting operation (either methods being used in No. 2), TV set would shut down once and
automatically turn on again. The power-off duration is expected to be about 500msec. An OSD message,
"RESET" tentatively will be displayed for 10 sec after IK status gets stable.
As a result, some items will be reset to an initial condition (shipment condition) wheareas some other remains at
the last selection by user.
Items that remains at the last selection by user
Reset Items
Program No., PIC rotation, OSD Language,
Fine tuning, TV System, Skip
Video input
RF
Volume
30
DRC-MF
DRC1250
Picture mode
DYNAMIC
Sound mode
DYNAMIC
Surround mode
OFF
Color system(video)
AUTO
Multi picture(PIP)
OFF
PIP position
Bottom-right
OSD recall
OFF
Intelligent volume
OFF
ECO mode
OFF
Color system(RF)
AUTO*
Antenna sensitivity
HIGH*
Stereo mode
STEREO/NICAM*
Bilingual mode
MAIN*
High-deviation mode
AUTO*
Child lock
OFF*
Wide mode
OFF
Game mode
OFF
Teletext mode
OFF
Sleep timer
OFF
Wake-up timer
OFF
Sound muting
OFF
3DNR
ON
*= only when in RF mode
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