DOWNLOAD Sony KV-DB29M60 Service Manual ↓ Size: 6.88 MB | Pages: 123 in PDF or view online for FREE

Model
KV-DB29M60
Pages
123
Size
6.88 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LEVEL 2
File
kv-db29m60.pdf
Date

Sony KV-DB29M60 Service Manual ▷ View online

– 7 –
KV-DB29M60/B
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
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 direction
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.
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.
1) Remove the Rear Cover.
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-DB29M60/B
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
D Board
C1 Board
F1 Board
H1 Board
VM1 Board
DL1 Board
BH1 Board
A1 Board
H2 Board
– 9 –
KV-DB29M60/B
RM-GA001
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 or factory setting (shipping condition)
2. How to Operate
The following is to show on how to access to the "RESET" Function:-
User selection = press 'WEGA GATE' t selectt 'SETTING' t go to 'SETUP' page t select 'FACTORY
SETTINGS' t select 'YES'
3. Subsequent of Operation
Sequential to the resetting operation, TV set would shut down once and automatically turn on again. The power-off
duration is expected to be about 500msec. Initial Setup Menu is displayed.
As a result, some items will be reset to their initial conditions (shipment condition) wheareas some others remain
at the last user selection.
Items that remain at the last user selection
Reset Items
Video input
RF user last setting
Main Volume
25
DRC-MF
DRC1250
Picture mode
VIVID
3D Intelligent Picture
ON
Sound mode
DYNAMIC
Intelligent volume
OFF
Surround
OFF
Wide mode
4.3
Auto wide
ON
Twin
OFF
Program Index
OFF
* Program Block
Reset particular, displayed
channel to unblock
WEGA Theatre Setup
Direct Input
HD/DVD 1
Speaker
Main
Game mode
OFF (Video) *Not available in RF
mode
*= Will reset only if watched/displayed during RESET operation
- For Multi model only
Category
Default
Category
Default
Program No., PICTURE POSITION (included PICTURE
ROTATION and PICTURE V-POSITION), OSD Language, Fine tuning,
TV System, Skip, Program label, Program sorting, Video label.
* Color System
RF = Reset to Auto at the particular/displayed Video
= MI Reset to Auto CH, others keep user setting
Eco mode
OFF
Wide mode
Wide zoom
Auto wide
ON
4.3 Default
Wide zoom
V Center
00
V Size
00
Mute
OFF
OSD Display status
OFF
Center-in volume
25
Initial setup menu
Reactivate/ON
Twin size
Center
– 10 –
KV-DB29M60/B
RM-GA001
The following adjustments should be made when a complete
realignment is required or a new picture tube is installed.
The controls and switch should be set as follows unless
otherwise noted:
Picture Control....................................."NORMAL"
Brightness Control..............................."NORMAL"
Perform the adjustments in order as follows :
1. Beam Landing
2. Convergence
3. Focus
4. G2(SCREEN)
5. White Balance
Note : Test Equipment Required.
1. Pattern Generator
5. Oscilloscope
2. Degausser
6. Landing Checker
3. DC Power Supply
7. XCV Adjuster
4. Digital Multimeter
SECTION 5
SET-UP ADJUSTMENTS
Preparation :
• Feed in the white pattern signal.
• Before starting, degauss the entire screen with the
degausser.
• In order to reduce the geomagnetism on the set's picture
tube, face it east or west.
5-1. BEAM LANDING ADJUSTMENT
1. Input a raster signal with the pattern generator.
2. Loose the deflection yoke(DY) mounting screw, and set
the purity control to the center as shown below:-
3. Position Neck Assy as shown below:-
4. Set the raster signal of the pattern generator to green.
5. Move the DY backward and adjust the purity control so
that green is in the center and blue and red are at the
sides evenly.
Red
Blue
Green
Purity control
......................................................................................................................................................................................................................
6. Then move the DY forward and adjust so that the entire
screen becomes green.
7. Now switch over raster signal to red then blue and
confirm the condition.
8. When the position of the DY is determined, tighten it with
the DY mounting screw.
9. If the beam does not land correctly in all the corners of
the screen, use magnet disc to correct it.
Neck assy
(For 34")
Neck assy
(For 29" and 32")
G2
G1
G3
Align the edge of
the neck assy with
the edge of the G2 grid.
Purity control
corrects this area.
Disk magnets or rotatable
disk magnets correct these
areas (a-d).
Deflection yoke positioning
corrects these areas.
a
b
b
c
c
d
d
a
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