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

– 4 –
KV-DB29M60/B
RM-GA001
002 : 000
003 : 000
004 : 000
005 : 001
Numeral "0" means that no fault has been detected.
Numeral "1" means a fault has been detected.
008 : 002
101 : 000
SELF DIAGNOSTIC
Numeral "2" means two faults have been detected.
4. SELF DIAGNOSTIC SCREEN DISPLAY
5. HANDLING SELF DIAGNOSTIC SCREEN DISPLAY
6. SELF-DIAGNOSTIC CIRCUIT
[+B overcurrent OCP ]
Occurs when an overcurrent on the +B(135) line is detected by Q6804.
If Q6804 go to ON, the voltage to the pin57 of IC4301 go to "HIGH".
The unit will automatically turn off.
[High voltage protector of Horizontal Deflection]
Occurs when an overvoltage of horizontal pulse is detected by D6809.
If the voltage of anode D6809, Q6814 and D6808 goes to High, the voltage
to pin57 of IC4301 go to "HIGH".
The unit will automatically turn off.
[+B overvoltage OVP ]
Occurs when an overvoltage on the +B(135) line is detected by D6635 and
Q6611. If Q6611 go to ON, the voltage to pin6 of IC001 go to "HIGH". The
unit will automatically turn off.
[Vertical deflection failure]
Occurs when an absence of the vertical deflection pulse is detected by
Q6808 and R6910. Shut down the power supply.
[White balance failure]
If the RGB levels do not balance or become low level within 5 seconds. This
error will be detected by IC4301.
TV will stay on, but there will be no picture.
[5V/9V failure]
Occurs when 5V/9V is not supplied to Micon (IC001).
No raster will be detected or no picture.
5
8
No.
Description
Method
1.
Display self diagnostic screen
[Display] t [Channel    ] t [Volume    ] t [Power / TV]
Note: The above must be performed while TV is on standby mode.
2.
Stop standby flash
i) Turn off power switch on main.
ii) Unplug power cord from the outlet.
3.
Clear fault result
In self diagnostic screen, press 
[Channel    ] t 
-
Note: Diagnostic results display on screen is not automatically cleared. Therefore,
clear result after completion of repair.
4.
Quit self diagnostic screen
Turn off power switch of remote commander or main unit.
IC4301
RGB JUNGLE
CXA2170AQ
OVP
FROM
CRT (IK)
[V] Q6808, R6910
IC001
SYSTEM
SDA
SDA
9V
5V
IC004
MEMORY
IK_IN
H PROT
RED LED
5
24
57
7
6
V PROT  
56
[OCP] Q6804, D6821
[H] D6808, D6809
84
14,47,
82
– 5 –
KV-DB29M60/B
RM-GA001
1 Two hooks 
2 F1 Board
3 One screw
 (+BVTP 
× 12 
 TYPE2 
IT-3)
4 One screw
 (3 
× 12),(+) BVTAP
2 One screw
 (+BVTP 
× 16
 TYPE2 
IT-3)
1 Terminal bracket
5 One screw
 (3 
× 12),(+) BVTAP
1 Two Tapping Screws  
     (+PWH 4x16)
2 Two screws
     (+BVTP 4x16
       TYPE IT-3)
SECTION 1
DISASSEMBLY
1-2.
SPEAKER REMOVAL
1-3.
CHASSIS ASSY REMOVAL
1-4.
SERVICE POSITION
1-5.
TERMINAL BRACKET REMOVAL
1-1.
REAR COVER REMOVAL
1-6.
F1 BOARD REMOVAL
1 Twelve screws
 (+BVTP 
× 16
 TYPE2 
IT-3)
2 Rear cover
– 6 –
KV-DB29M60/B
RM-GA001
1 Five screws
     (+BVTAP 3 
× 12)
4 One screw 
     (Washer head)
     (+BVTP 3 
× 12)
3 Five Hooks
2 D Board
1-8.
H1 AND H2 BOARDS REMOVAL
1-9.
D BOARD REMOVAL
1-10. A1 AND BH1 BOARDS REMOVAL
1-7.
DL1 BOARD REMOVAL
2 Six Hooks     
4 Four Hooks     
3 H2 Board
H1 Board
2 DL1 Board
1 Three Hooks
1 Three  screws
 (+P4 
× 16)
3 Two clips
4 A1 Board
2 Two Hooks
5 BH1 Board
– 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
Page of 123
Display

Sony KV-DB29M60 Service Manual ▷ Download

  • DOWNLOAD Sony KV-DB29M60 Service Manual ↓ Size: 6.88 MB | Pages: 123 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony KV-DB29M60 in PDF for free, which will help you to disassemble, recover, fix and repair Sony KV-DB29M60 TV. Information contained in Sony KV-DB29M60 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.