Sony KLV-23HR3 Service Manual ▷ View online
- 25 -
4-1. BLOCK DIAGRAMS (1)
H1 ( )
CONTROL
BUTTONS
BUTTONS
TO B BOARD
CN0101
3
1
CN9000
SWITCH
S9000, S9001
S9002, S9006
S9002, S9006
SWITCH
S9003, S9004,
S9005
KEY 1
KEY 2
TO A BOARD
CN2211
HEADPHONES
H-PLUGGED
CN9200
CN9300
9
1
3
J9201
J9300
H2
( )
FRONT INPUT,
HP OUTPUT
5
C FRONT
Y/CVBS-FRONT
3
1
TO H3 BOARD
CN3702
V
L
R
4
3
2
1
7
HP-L-OUT
HP-R-OUT
FRONT IN-R
FRONT IN-L
CN3703
H3 ( )
SCART 2
24
RF-SW
22
SW MONITOR
20
C INPUT
18
Y INPUT
Y/C SWITCH
5
VIDEO SWITCH
13
SC2-OUT-R-H3
9
11
2
1
MODE 2
3
TO A BOARD
CN3621
4
15
10
9
11
13
12
1
Y FRONT
BUFFER
Q3709
3
C FRONT
5
C SCART
14
SW OUT
2
Y SCART
BUFFER
Q3708
BUFFER
Q3701
BUFFER
Q3702
BUFFER
Q3707
Y/CVBS FRONT
15
BUFFER
Q2700
BUFFER
Q2701
SC2-IN-R-H3
SC2-OUT-L-H3
SC2-IN-L-H3
AV LINK
C FRONT
C IN
VIDEO OUT
VIDEO IN
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
MODE
AV LINK
CN3702
CN3700
TO H2 BOARD
CN9300
IC3701
ANALOG
MULTIPLEXER/
DE-MULTIPLEXER
1
3
BUFFER
Q3711
BUFFER
Q3712
SCART
6
1
STBY 5V
TO A BOARD
CN0041
CN9050
LED 2
OUT
IC9050
IR RECEIVER (SIRCS)
H5 ( )
IR RECEIVER
& LEDS
VCC
2
SIRCS
5
LED 1
5V STANDBY
POWER
STANDBY
G2 ( )
POWER SUPPLY
IC6000
MAIN BRIDGE RECTIFIER
1
2
VC1
23
16
T6001
TO B BOARD
CN6301
CN6001
AUDIO VCC
BRIDGE
RECTIFIER
D6000
20
22
SWITCH
Q6003
SWITCH
Q6004
15
OCP
VGL
VS
VGH
F/B
PH6001
PHOTO-
COUPLER
Q6001
Q6002
Q6002
PHOTO-
COUPLER
PH6000
IC6100
STANDBY
CONTROLLER/DRIVER
5
3
7
8
2
4
8
4
9
1
6
2
T6100
IC6101
+5V REGULATOR
1
3
PHOTO-
COUPLER
PH6100
BUFFER AMP
& SWITCH
Q6005, Q6010,
Q6009
7
5
T6002
7
5
D6020
CN6101
5
11
2
TO A BOARD
CN6204
POWER-AV
STBY 5V
IC6001
REGULATOR
1
3
13
11
12
9
10
8
14
13
12
11
10
9
PS6003
V SENSE
L6009
1
L6008
D6019
PS6001
PS6002
AUDIO VCC
6
2
1
SIGNAL VCC
SIGNAL VCC
10.5V
16.5V
16.5V
16.5V
16.5V
4
3
2
1
DIMMER
BACKLIGHT
PANEL DET
13
12
11
1
2
3
PANEL DET
BACKLIGHT
DIMMER
CN6002
CN6005
LCD
SCREEN
TO A BOARD
CN6201
D6021
D6022
D6022
5
16.5V
BUFFER
Q6000
POWER FACTOR CORRECTION
D6016
CN6003
AC IN
AC IN
1
3
1
4
L6000
2
3
2
4
L6012
1
3
F6000
5A
POWER
INPUT
6
4
3
1
7
5
3
- 26 -
4-1. BLOCK DIAGRAMS (2)
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
4-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
PRINTED WIRING BOARDS
H1
B
H2
H5
G2
A
H3
A ( )
TUNER, AUDIO,
CHROMA DECODER,
SCART 1
CN3621
VIDEO OUT
Y FRONT
CN0043
TO B BOARD
CN3000
3
SC2-IN-L-H3
SC2-IN-R-H3
BUFFER
Q2600
BUFFER
Q2601
15
17
13
SC2-OUT-R-H3
SC2-OUT-L-H3
BUFFER
Q3600
SC1-OUT-R
SC1-IN-R
SC1-OUT-L
SC1-IN-L
SW MONITOR
Y/C SWITCH
VIDEO SWITCH
MODE 2
Y INPUT
C INPUT
AV LINK
RF SW
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
BLUE IN
MODE
GREEN IN
RED IN
BLANKING
VIDEO IN
C FRONT
LUMINANCE
CHROMINANCE
43
44
CVBS2/Y2-IN
C2-IN
CVBS OUT
41
CVBS3/Y2-IN
15
25
26
27
IC3801
SUB VIDEO PROCESSOR
YS3
B1-IN
G1-IN
R1-IN
1
21
9
22
23
13
14
AMPLIFIER
Q3808
AMPLIFIER
Q3809
2
4
R SCART 1
AMPLIFIER
Q3806
G SCART 1
B SCART 1
FB SCART 1
CVBS AV1
CVBS RF
Y OUT
H5
CB-OUT
CR-OUT
SCL
SDA
AMPLIFIER
Q3807
IC3811
SYNC ADDER
CS
CS
SCL
SDA
CVBS MONITOR
5
24
8
MODE 1
Y SYNC
29
20
CB
CR
SCL-5
SDA-5
21
12
14
28
25
9
1
MODE 2
AV LINK
LUMINANCE
CHROMINANCE
3
IC0002
DIMMER LPF
DIMMER
10
LED 1
11
POWER AV
SIRCS
LED 1
LED 2
+5V STBY
SIRCS
BUFFER
Q0047
4
3
2
5
6
1
TO H5 BOARD
CN9050
CN0041
CN0042
SERVICE
4
3
2
19
IC0030
PORT EXPANDER
AGC DEFEAT
Q1100
2
4
10
14
12
11
BUFFER
Q1200
6
IC1200
TV ID
AMPLIFIER
Q1201
4
COINCIDENCE
CIRCUIT
AMPLIFIER
Q1300, Q1301
SWITCH
Q0002
16
17
BUFFER
Q0046
P0
P2
P3
P1
P6
SCL
SDA
P5
P4
1
CN3602
TU1100
VIDEO
AGC
SCL
SDA
FM/AM
QSS
BACKLIGHT
CN6201
PANEL DET
DIMMER
2
1
3
CN6204
11
2
IC6202
REGULATOR
1
3
SWITCH &
BUFFER
Q6200, Q6203
POWER AV
+14.3V
+8V
2
IC0001
PORT EXPANDER
4
10
SCL
SDA
BUFFER
Q0001
11
12
Y/C SWITCH
VIDEO SWITCH
14
16
FB-SCART 1
P0
P3
P4
SCL
SDA
48
50
54
IN-3-R
IN-3-L
IN-4-R
72
XTAL OUT
71
2
3
21
IC2000
SOUND PROCESSOR
XTAL IN
SCL
SDA
POWER ON
RESET
67
27
28
24
11
4
21
23
24
8
6
25
2
53
51
47
34
33
37
36
SC2-IN-L
SC1-OUT-R
SC1-OUT-L
SC2-OUT-R
SC2-OUT-L
SC2-IN-R
SC1-IN-R
FRONT-IN-L
SC1-IN-L
FRONT-IN-R
60
FM/AM
BUFFER AMP
Q2100, Q2101
Q2100, Q2101
QSS
25
3
IC2300
HEADPHONE AMP
6
7
1
AMPLIFIER
Q2000
77
1
HP PLUGGED
HP-R-OUT
HP-L-OUT
FRONT-IN-L
3
5
7
9
CN2211
FRONT-IN-R
IN-2-L
IN-2-R
SPEAKER OUT R
SPEAKER OUT L
IN-4-L
OUT-2-L
OUT-2-R
OUT-1-L
OUT-1-R
MONO IN(AM)
IF IN 1
HP-R
HP-L
DIGITAL CONTROL OUT 1
BUFFER
Q2001
BUFFER
Q2002
4
2
8
11
12
7
BUFFER
Q2301
3
5
7
1
AMPLIFIER
Q2404
SWITCH
Q2203
Q2200
Q2202
Q2204
Q2202
Q2204
3
1
CN2500
L
R
J2400
SPEAKERS
L
R
IC2400
AUDIO LINE BUFFER
IC2500
AUDIO POWER AMP
OUT 2
OUT 1
SP R OUT
SP L OUT
IN2+
IN1+
MUTE TC
MUTE
R IN
L IN
TO H2 BOARD
CN9200
X2000
MUTE CIRCUIT
Q2400, Q2401
Q2405, Q2406
Q2405, Q2406
TO H3 BOARD
CN3703
SCART
B SCART 1
MODE 1
G SCART 1
R SCART 1
FB SCART 1
CVBS AV1
TO G2 BOARD
CN6005
TO G2 BOARD
CN6001
P1
P2
SPEAKERS
BUFFER
Q3802
FILTER
FL3800
FL3800
BUFFER
Q2300
RESET AUDIO
LINE MUTE
LED 2
CVBS/Y1-IN
R OUT
L OUT
5
VDD
R5V
D6217
2
PA DET
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
O
- 27 -
~ A Board Schematic Diagram [ Tuner, Audio, Chroma Decoder, Scart 1 ] Page 1/3 ~
WA1- A ..- KLV-23HR3
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
A
1/3 TUNER, AUDIO, CHROMA DECODER, SCART 1
100ns/div
A(1/3) Board Waveform
3.0Vp-p (H)
TP1
CN9200
HEADPHONE
AMPLIFIER
XX
PORT EXPANDER
XX
XX
XX
XX
XX
XX
XX
4.7
4.7
XX
AUDIO POWER AMP
AUDIO LINE
BUFFER
TO SPEAKERS
SPEAKERS
TP1
XX
XX
XX
XX
XX
XX
XX
0.0022
50V
5
0
V
0
.0
0
2
2
0.001
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
0
RB053L-30TE25
XX
XX
0
0
1000
35V
2.5A
1000
35V
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
A.GND
A.GND
A.GND
R2518 0
R2519 0
R2520 0
A.GND
A.GND
R2522 0
R2523 0
R2517 0
R2219
0
100
XX
XX
XX
XX
XX
XX
0
XX
XX
XX
XX
D2401
22K
100
0.1
50V
1
16V
0.1
16V
12K
12K
XX
0.1
0.01
25V
0.01
25V
XX
XX
560
25V
4.7
6.3V
1
50V
1
50V
47K
47K
47K
47K
470
470
XX
1
16V
1/4W
1/4W
1/10W
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
O
- 28 -
~ A Board Schematic Diagram [ Tuner, Audio, Chroma Decoder, Scart 1 ] Page 2/3 ~
WA1- A ..- KLV-23HR3
A
2/3
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
REGULATOR
PORT EXPANDER
TV ID
REGULATOR
CN6300
XX
0
0
XX
XX
0.1
0.1
0.1
0.1
50V
50V
50V
50V
11P
CN6001
TO G2 BOARD
XX
CN6005
TO G2 BOARD
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
0
0
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
0
0
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
0
0
35V
REGULATOR
25V
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