Sony KLV-26L500A / KLV-32L500A / KLV-37L500A Service Manual ▷ View online
45
KLV-26L500A/32L500A/37L500A
KLV-26L500A/32L500A/37L500A
SECTION 3: DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
3-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in μF unless otherwise noted. pF : μμF 50WV or
less are not indicated except for electrolytics and tantalums.
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonfl ammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by shading and
!
symbol are critical for safety. Replace
only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
NOTE: The components identifi ed by a red outline and a mark contain confi dential
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
GT3 (KLV-26/32L500A ONLY)
G4T (KLV-37L500A ONLY)
G4T (KLV-37L500A ONLY)
Switch Unit
BT2
HT1
46
KLV-26L500A/32L500A/37L500A
KLV-26L500A/32L500A/37L500A
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B1 E1
E2
C1(B2)
C2
B1
E2
C1
C2
(B2)
E1
(B2)
E1
E2
B1
C2
C1
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductor
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
18
11
17
16
15
14
13
12
10
21
20
19
23
22
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: ADJUSTMENT
RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
47
KLV-26L500A/32L500A/37L500A
KLV-26L500A/32L500A/37L500A
3-3. BLOCK DIAGRAM
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7
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6
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2
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C
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H
1
9
8
8
A
D
T
R
/
L
4
N
I
R
/
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7
N
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5
S
B
V
C
R
/
L
5
N
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4
S
B
V
C
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a
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d
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F
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S
V
A
1
S
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I
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3
S
B
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C
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S
P
H
KLV-26L500A/32L500A/37L500A
KLV-26L500A/32L500A/37L500A
48
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
BT2 BOARD SCHEMATIC DIAGRAM (1 OF 9)
3-4. SCHEMATICS AND SUPPORTING INFORMATION
YUV_L,YUV_R
PB,PR
22
R1038
VD1015
1/16W
CHIP
R1037
22
22
R1039
J1001
VGA_L,VGA_R
*J1003
*R1050
10k
PC_B
JL1007
JL1008
1/16W
CHIP
R1091
100k
CN1000
15P
BLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
16V
C1042
0 . 1
1/16W
R1089
1
5
0
JL1006
JL1003
JL1001
1/16W
R1086
1
5
0
JL1000
JIG25
1/16W CHIP
47
R1098
0uH
FB1003
PC_R
JL1002
CHIP
R1093
22
1/16W
1/16W
R1084
150
D1011
MC2838-T112-1
D1009
MAZ8056G0LS0
1/16W
R1085
150
CHIP
R1095
22
1/16W
1/16W
R1090
1
5
0
1/16W
CHIP
10k
R1096
1/16W
CHIP
10k
R1097
1/16W CHIP
47
R1099
JL1004
F1000
50V
0.5A
1/16W
R1087
150
1/16W
CHIP
R1088
1k
CHIP
R1094
22
1/16W
PC_G
JL1005
VR
L
R
VB
VG
J1000
*R1051
10
*R1049
10
HP_DET
HP_L
HP_R
AUDIO_MUTE
*R1006
1k
*R1108
1k
*C1025
2 . 2
A_V2_IN_V
*R1055
0
*R1078
100
*R1056
75
1/16W
CHIP
100
R1025
CHIP
R1002
0
A_V1_IN_V
1/16W
CHIP
68
R1060
1/16W
CHIP
470k
R1061
1/16W
CHIP
1k
R1062
1/16W
CHIP
330
R1066
1/16W
CHIP
10k
R1067
1/16W
CHIP
10k
R1068
1/16W
CHIP
330
R1079
1/16W
CHIP
10k
R1080
MONOUT_MUTE
1/16W
CHIP
10k
R1112
6.3V
10
X6S
C1035
6.3V
10
X6S
C1040
MONITOR_OUTL
MONITOR_OUTR
1/16W
CHIP
22
R1116
50V
100p
CH
C1047
CHIP
R1118
100
1/16W
50V
100p
CH
C1046
1/16W
CHIP
22
R1115
PC_V
CHIP
R1117
100
1/16W
PC_H
+5V_SW
+9V_TUNER
GND_C
GND_C
GND_C
GND_C
GND_C
GND_C
GND_C
GND_C
GND_C
A_V1_L
A_V1_R
A_V2_R
A_V2_L
1/16W
R1128
1k
CHIP
R1031
39k
1/16W
CHIP
39k
R1032
1/16W
CHIP
39k
R1026
1/16W
CHIP
39k
R1021
1/16W
CHIP
39k
R1041
1/16W
CHIP
39k
R1042
1/16W
39k
*R1074
*R1073
39k
L
R
V
*TB1001
+3V3_STB
L1
R1
V1
V2
R2
L2
TB1000
16V
0 . 4 7
X7R
C1066
16V
0 . 4 7
X7R
C1067
1/10W
RN-CP
75
R1003
1/10W
RN-CP
R1007
75
1/10W
RN-CP
R1008
75
1/10W
RN-CP
75
R1009
JL1014
0
*R1164
6.3V
10
X6S
C1078
ISA1235AC1TP-1EF
Q1006
1/16W
10k
R1165
1/16W
10k
R1166
16V
0 . 1
C1079
GND_C
GND_C
GND_C
Y
0
*R1169
0
*R1170
0
*R1171
*Q1002
*Q1003
2SA2122G0LS0
Q1000
VD1038
VD1039
VD1003
VD1004
VD1005
VD1026
VD1027
VD1028
VD1006
VD1007
VD1008
VD1009
VD1010
VD1011 VD1012
*VD1018
*VD1019
*VD1023
*VD1024
*VD1025
*VD1032
VD1033
VD1034
VD1036
VD1035
VD1037
1/16W
680
R1167
1/16W
CHIP
5%
680
R1172
FB1000 0uH
FB1001 0uH
FB1002 0uH
2SC3052EF-T1-LEF
Q1001
2SC3052EF-T1-LEF
Q1005
8765
4
3
2
1
CAT24C02WI-GT3
IC1000
E0
E1
E2
VSS
SDA
SCL
WC
VCC
25V
470
C1032
PB
VGA_R
PR
VGA_L
YUV_L
YUV_R
PC_LR IN
HP
PC-R
PC-V
PC-H
PC-B
PC-G
PC-SDA
PC-SCL
PC-SCL
VideoInput2
Component
Monitor Out
VideoInput1
BT2 1/9
I/O
I/O
A-1675-143-B <EX2T> BT2-P1
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