Sony KDL-22BX20D Service Manual ▷ View online
- 12 -
5-2. CIRCUIT BOARD LOCATION
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
PRINTED WIRING BOARDS
Note :
•
All capacitors are in µF unless otherwise noted.
•
pF : µµF 50WV or less are not indicated except for
electrolytic types.
electrolytic types.
•
Indication of resistance, which does not have one for
rating electrical power, is as follows.
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
Electrical power rating : 1/4W
•
Chip resistors are 1/10W
•
All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
k = 1000 ohms, M = 1000,000 ohms
•
: nonflammable resistor.
•
: fusible resistor.
•
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
characteristic curve B, unless otherwise noted.
•
All voltages are in Volts.
•
Readings are taken with a 10Mohm digital mutimeter.
•
Readings are taken with a color bar input signal.
•
Voltage variations may be noted due to normal production
tolerences.
tolerences.
•
: B + bus.
•
: B - bus.
•
: RF signal path.
•
: earth - ground.
•
: earth - chassis.
Reference Information
RESISTOR
RN
: METAL FILM
RC
: SOLID
FPRD
: NON FLAMMABLE CARBON
FUSE
: NON FLAMMABLE FUSIBLE
RS
: NON FLAMMABLE METAL OXIDE
RB
: NON FLAMMABLE CEMENT
RW
: NON FLAMMABLE WIREWOUND
: ADJUSTMENT RESISTOR
COIL
LF-8L
: MICRO INDUCTOR
CAPACITOR
TA
: TANTALUM
PS
: STYROL
PP
: POLYPROPYLENE
PT
: MYLAR
MPS
: METALIZED POLYESTER
MPP
: METALIZED POLYPROPYLENE
ALB
: BIPOLAR
ALT
: HIGH TEMPERATURE
ALR
: HIGH RIPPLE
Les composants identifiés par une trame et
par une marque sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
par une marque sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
Note :
The components identified by shading
and marked are critical for safety.
Replace only with the part numbers
specified in the parts list.
and marked are critical for safety.
Replace only with the part numbers
specified in the parts list.
Note :
CVM Board
A Board
S1 Board
VM
C
H
D1
A
J
A2
N
D
A1
D2
C
A
4-2. CIRCUIT BOARD LOCATION
Note : The components identified by mark contain
confidential information.
Strictly follow the instructions whenever the
components are repaired and/or replaced.
components are repaired and/or replaced.
Switch Unit Brd
Main Brd
Power Unit Brd
SECTION 5
EXPLODED VIEWS
Items marked “*” are not stocked
since they are seldom required for
routine service. Some delay should
be anticipated when ordering these
items.
REF.NO.
PART.NO
DESCRIPTION
REMARK
REF.NO.
PART.NO
DESCRIPTION
REMARK
- 13 -
NOTE :
Non-serviceable items with no part number and no
description are not stocked because they are not
required for routine service.
The construction parts of an assembled part are indicated
with a collation number in the remarks
column.
1 £
1-811-198-11 LCD PANEL (22INCH WXGA TFT) SS2G
£
1-811-198-21 LCD PANEL (22INCH WXGA TFT) AU2G
£
1-811-198-31 LCD PANEL (22INCH WXGA TFT) LP1G
£
1-811-198-41 LCD PANEL (22INCH WXGA TFT) SS3G
£
1-811-198-51 LCD PANEL (22INCH WXGA TFT) CH3G
2 £
1-474-242-11 POWER UNIT BOARD (VET140) SS2G/SS3G
£
1-474-242-21 POWER UNIT BOARD (VCB140) AU2G
£
1-474-242-31 POWER UNIT BOARD (VFD140) LP1G
£
1-474-242-41 POWER UNIT BOARD, COMPLETE CH3G
3
1-857-684-11 MAIN BOARD, COMPLETE
4
4-178-415-01 19/22 SIDE JACK BRACKET
5
1-858-453-11 LOUDSPEAKER (3.5x15.0CM)
6
1-489-163-11 SWITCH UNIT BOARD, COMPLETE
7
1-458-291-11 DVD UNIT
3
4
Note :
The components identified by mark
contain confidential information.
Strictly follow the instructions when
ever the components are repaired
and/or replaced.
Strictly follow the instructions when
ever the components are repaired
and/or replaced.
5-1. CHASSIS
1
2
6
5
Note :
When replacing the LCD panel or Power Unit board please
ensure you order the correct one i.e. make sure the comments
in the remark column match.
in the remark column match.
For example:-
22” LCD Panel 1-811-198-21 (AU2G) must be used with Power Unit
Board 1-474-242-21 (AU2G).
22” LCD Panel 1-811-198-21 (AU2G) must be used with Power Unit
Board 1-474-242-21 (AU2G).
5
7
REF.NO.
PART.NO
DESCRIPTION
REMARK
REF.NO.
PART.NO
DESCRIPTION
REMARK
- 14 -
5-2. BEZEL ASSY & STAND ASSY
51
51
X-2548-553-1 BEZEL ASSY BLACK
52
4-178-422-01 NECK BLACK
53
X-2548-560-1 STAND ASSY BLACK
52
53
REF.NO.
PART.NO
DESCRIPTION
REMARK
REF.NO.
PART.NO
DESCRIPTION
REMARK
- 15 -
5-3. REAR COVER ASSY & POWER SUPPLY CORDS
101
X-2548-559-1 REAR COVER ASSY
102
4-181-187-01 DVD COVER
103 £ 1-838-166-11 POWER-SUPPLY CORD (AEP)
104 £ 1-838-167-11 POWER-SUPPLY CORD (UK)
104 £ 1-838-167-11 POWER-SUPPLY CORD (UK)
101
103
104
UK MODELS ONLY
102
Click on the first or last page to see other KDL-22BX20D service manuals if exist.