Sony KLV-27HR3 User Manual Page 27
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- TROUBLESHOOTING
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4-1. BLOCK DIAGRAMS (2)
5-2. CIRCUIT BOARD LOCATION
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
Note :
• All capacitors are in µF unless otherwise noted.
• pF : µµF 50WV or less are not indicated except for
electrolytic types.
• Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
• Chip resistors are 1/10W
• All resistors are in 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.
• 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.
•: 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.
Note :
The components identified by shading
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
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
8MODE 1
Y SYNC 29
20CB
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
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
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
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
BUFFER
Q2300
RESET AUDIO
LINE MUTE
LED 2
CVBS/Y1-IN
- SERVICE MANUAL 1
- TABLE OF CONTENTS 3
- 21 pin connector 6
- StBy LED 7
- GENERAL 8
- TV Functions 9
- The Picture Adjustment Menu 10
- The Sound Adjustment Menu 11
- The Features Menu 11
- The Set Up Menu 12
- column 13
- Other Functions 14
- Teletext 15
- Additional Information 15
- RM-Y1108 16
- Technical Specifications 17
- Troubleshooting 17
- SECTION 2 DISASSEMBLY 19
- 2-3. A BOARD REMOVAL 20
- 2-4. G2 BOARD REMOVAL 20
- 2-5. H1 BOARD REMOVAL 21
- 2-6. H2 BOARD REMOVAL 21
- 2-7. H3 BOARD REMOVAL 22
- 2-8. H5 BOARD REMOVAL 22
- 2-9. LCD BRACKET REMOVAL 23
- 2-10. LCD ASSEMBLY REMOVAL 23
- SECTION 3 SET-UP ADJUSTMENTS 24
- 3-3. TEST TEST MODE 25
- H1 ( ) 26
- A ( ) 27
- HI JKLMN 28
- ~ A Board IC Voltage Table ~ 31
- H3 SCART 2 38
- 4-4. SEMICONDUCTORS 39
- UF4005PKG23 40
- TDA2822D013TR 40
- TC7SET02FU(TE85R) 40
- TL1431CZ-AP 40
- SECTION 5 41
- EXPLODED VIEWS 41
- SECTION 6 43
- ELECTRICAL PARTS LIST 43
- MISCELLANEOUS 54
- REMOTE COMMANDER 54
- Sony Corporation 55
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