Philips LX-3000D, Service Manual

Page: 46 / 74

CIRCUIT DIAGRAM ( Top Right )
8-3
8-3
3
4
5
A
B
-VSS
1
OUT(1)
2
+V
C
C
3
OUT(2)
4
STB
5
-VSS
6
IN+
(2)
7
IN-(2)
8
GND
9
IN-(1)
10
IN+
(1)
11
IC501 IC501 IC501 IC501 TDA7265 TDA7265 TDA7265 TDA7265
1
2
3 IC904 IC904 IC904 IC904
7805
7805 7805 7805
1
2
3
IC903
IC903 IC903
IC903
7805
7805 7805 7805
C
943
C
943
C
943
C
943
100U
F/
50V
D
911
D
911
D
911
D
911
IN
4001
IN 4001
IN 4001
IN 4001
2
1
3 IC901 IC901 IC901 IC901
7912
7912 7912
7912
1
2
3
IC902
IC902 IC902
IC902
7812 7812 7812 7812
C933 C933 C933 C933
104 104 104 104
C932 C932 C932 C932
220UF 220UF 220UF 220UF
C930
C930 C930
C930
104
104 104 104
C929
C929 C929
C929
220UF
220UF 220UF 220UF
C914
C914 C914
C914
104
104 104 104
C912
C912 C912
C912
220UF
220UF 220UF 220UF
C915
C915 C915
C915
104
104 104 104
C913
C913 C913
C913
220UF
220UF 220UF 220UF
22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CN101 CN101 CN101 CN101
C473 C473 C473 C473
4.7UF 4.7UF 4.7UF 4.7UF
6
7
5
8
IC409B
IC409B IC409B
IC409B
4558
4558 4558 4558
R4105 R4105 R4105 R4105
+12V
C474 C474 C474 C474 104 104 104 104
R470
R470 R470
R470
1.5K
1.5K 1.5K
1.5K
R471
R471 R471
R471
2.7K
2.7K 2.7K
2.7K
R472 R472 R472 R472
1.5k 1.5k 1.5k 1.5k
R473
R473 R473
R473
10K 10K 10K 10K
C472 C472 C472 C472 561 561 561 561
R468
R468 R468
R468 1K
1K 1K
1K
R469 R469 R469 R469
C931 C931 C931 C931
220UF
220UF 220UF
220UF
C
910
C
910
C
910
C
910
104104104104
C
911
C
911
C
911
C
911
104104104104
C
925
104104104104
C
926
3300U
F/25V
R
908
220 1/
2W
R
909
R
909
R
909
R
909
220 1/
4W
Q903
Q903 Q903
Q903
TIP41C TI TI TI
R
905
R
905
R
905
R
905
10K
R906
10K
Q901
C2001
+12V +5V
+12V
-12V
D5V
L501
L501 L501
L501 1UH
L502
L502 L502
L502 1UH
Q912 Q912 Q912 Q912
2SC2001
2SC2001 2SC2001
2SC2001
R915
R915 R915
R915
10K 10K 10K 10K
R914 R914 R914 R914
22K
22K 22K
22K
C941 C941 C941 C941
220UF
220UF 220UF
220UF
R913 R913 R913 R913
22K 22K 22K 22K
R
912
R
912
R
912
R
912
1K
1/
4W
1K
1/
4W
1K
1/
4W
1K
1/
4W
Q911 Q911 Q911 Q911
2SA719
2SA719 2SA719 2SA719
R910
R910 R910
R910
10K 10K 10K 10K
R911 R911 R911 R911
10K 10K 10K 10K
Q910
Q910 Q910
Q910
C945
C940 C940 C940 C940
220UF
220UF 220UF
220UF
TU12V TU5V
TU5V
TU12V
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
+12V -12V
1 2 3 4 5 6 7 8 9 10 11 12
CN301
F903F903F903F903
T3.15A
L/
250V
1
2
3
4
5
CN904
CN904 CN904
CN904
C928
220UF
D5V
R919 919
22K
R918
1K
Q914
2SA719
R916
R916 R916
R916
10K 10K 10K 10K
R917
R917 R917
R917
10K 10K 10K 10K
Q913
C945
C942
220UF
+5V
R
R R
R
L
L L
L
R
927
R
927
R
927
R
927
1 1/
4W
R
926
R
926
R
926
R
926
1 1/
4W
R
925
R
925
R
925
R
925
1 1/
4W
TO/FROM TUNER BOARD
TO/FROM TUNER BOARD TO/FROM TUNER BOARD
TO/FROM TUNER BOARD
R9021 1/ 2W
R901 1 1/ 2W
+20V
-20V
+5V
FU
SE
RE
SI
ST
O
R
X
3
FU
SE
RE
SI
ST
O
R
X
3
FU
SE
RE
SI
ST
O
R
X
3
FU
SE
RE
SI
ST
O
R
X
3
FUSE RESISTOR FUSE RESISTOR FUSE RESISTOR FUSE RESISTOR
FUSE RESISTOR
1
2
3
4
5
CN903
CN903 C 903
C 903
C924 C924 C924 C924
223/100V
C923
C923 C923
C923
223/100V 223/ 223/ 223/
C922
223/ 100V
C921 223/100V 223/ 223/ 223/
1
2
3
4
D902
D902 D902
D902
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CN201 CN201 CN201 CN201
1
2
CN905 CN905 CN905 CN905
R
903
1 1/
2W
FU
SE
RE
SI
ST
O
R
R904 R904 R904 R904
220 1/ 2W
8
9
10
A 9V A 9V A 9V A 9V
A 5V
A 5V A 5V
A 5V
Q902
TIP42C TIP42C TIP42C TIP42C
ZD
901
ZD 901
ZD 901
ZD 901
9.5V9.5V9.5V9.5V
C
927
C
927
C
927
C
927
10U
F
JK501 JK501 JK501 JK501
1
2
3
4
CN906 CN906 CN906 CN906
1
2
3
4
5
6
RB900 RB900 RB900 RB900
R907
22K
ST
ANDBY
ST
ANDBY ST
ANDBY
ST
ANDBY T
UNE
R-P
W
T
UNE
R-P
W
T
UNE
R-P
W
T
UNE
R-P
W
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
DVD-P
W
/L
OADE
R-NOT
E
CE
NT
E
R
-P
RE
CE
NT
E
R
-P
RE
CE
NT
E
R
-P
RE
CE
NT
E
R
-P
RE
OK-CAL
L
OK-CAL
L
OK-CAL
L
OK-CAL
L
OK-M
U
T
E
OK-M
U
T
E
OK-M
U
T
E
OK-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
D
EC
/A
M
P
-M
U
T
E
EA
R
-LO
U
T
EA
R
-LO
U
T
EA
R
-LO
U
T
EA
R
-LO
U
T
EA
R-ROUT
EA
R-ROUT EA
R-ROUT
EA
R-ROUT
EA
R
/LI
N
E
-O
U
T
(M
U
TE)
EA
R
/LI
N
E
-O
U
T
(M
U
TE)
EA
R
/LI
N
E
-O
U
T
(M
U
TE)
EA
R
/LI
N
E
-O
U
T
(M
U
TE)
EA
R/L
IN
E
-OUT
(M
UT
E
EA
R/L
IN
E
-OUT
(M
U
T
E
EA
R/L
IN
E
-OUT
(M
UT
E
EA
R/L
IN
E
-OUT
(M
U
T
E
D512 D512 D512 D512
1N4148 1N4148 1N4148 1N4148
D
511
D
511
D
511
D
511
1N
4148
1N
4148
1N 4148
1N
4148
SU
B
-PR
E
SU
B
-PR
E
SU
B
-PR
E
SU
B
-PR
E
EA
R-ROUT EA
R-ROUT EA
R-ROUT EA
R-ROUT EA
R
-LO
U
T
EA
R
-LO
U
T
EA
R
-LO
U
T
EA
R
-LO
U
T
MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE
P-
MU
TE
VF
D-CE VF
D-CE VF
D-CE VF
D-CE
VF
D-CE VF
D-CE VF
D-CE VF
D-CE
VF
D-CL
K
VF
D-CL
K
VF
D-CL
K
VF
D-CL
K
VF
D-DA VF
D-DA VF
D-DA VF
D-DA -26V-26V-26V-26V AC
1.2V
-A
AC
1.2V
-A
AC
1.2V
-A
AC
1.2V
-A
AC0
V
AC0
V
AC0
V
AC0
V
AC
1.2V
-B
AC
1.2V
-B
AC
1.2V
-B
AC
1.2V
-B
RE
MOT
E
-IN
RE
MOT
E
-IN
RE
MOT
E
-IN
RE
MOT
E
-IN
AC
1.2V
-A
AC
1.2V
-A
AC
1.2V
-A
AC
1.2V
-A
AC
1.2V
-B
AC
1.2V
-B
AC
1.2V
-B
AC
1.2V
-B
AC0
V
AC0
V
AC0
V
AC0
V
-26V-26V-26V-26V
E
N
CODE
R-VOL
1
EN
CODE
R-VOL
1
EN
CODE
R-VOL
1
EN
CODE
R-VOL
1
EN
CODE
R-VOL
1
ENC
ODER
-VOL2
EN
CODE
-VOL
1
EN
CODE
-VOL
1
EN
CODE
-VOL
1
EN
CODE
-VOL
1
TO/FROM VFD CONTROL BOARD
TO/FROM VFD CONTRO TO/FROM VFD CONTRO
TO/FROM VFD CONTRO TO/FROM PHONE BOARD
OARD OARD
M OARD
ARD
ARD ARD
ARD
TO LOADER SERVER BOARD
TO LOADER SERVER BOARD TO LOADER SERVER BOARD
TO LOADER SERVER BOARD
T
UNE
R-L
IN
T
UNE
R-L
IN
T
UNE
R-L
IN
T
UNE
R-L
IN
T
UNE
R-RIN
T
UNE
R-RIN
T
UNE
R-RIN
T
UNE
R-RIN
62446/
1035C
LK
62446/
1035C
LK
62446/
1035C
LK
62446/
1035C
LK
62446C
E
62446C
E
62446C
E
62446C
E
62446C
E
62446C
E
62446C
E
62446C
E
T
UNE
R-S
D
T
UNE
R
SD
T
UNE
R-S
D
T
UNE
R
SD
LC
72131-
DI
LC
72131-
DI
LC
72131-
DI
LC
72131-
DI
BU
1923-
DA
T
A
BU
1923-
DA
T
A
BU
1923-
DA
T
A
BU
1923-
DA
T
A
T
UNE
R-S
D
T
UNE
R-S
D
T
UNE
R-S
D
T
UNE
R-S
D
BU
1923-
CL
K
BU
1923-
CL
K
BU
1923-
CL
K
BU
1923-
CL
K
BU
1923-
DA
T
A
BU
1923-
DA
T
A
BU
1923-
DA
T
A
BU
1923-
DA
T
A
LC
72131-
CE
LC
72131-
CE
LC
72131-
CE
LC
72131-
CE
LC
72131-
DI
LC
72131-
DI
LC
72131-
DI
LC
72131-
DI
LC
72131-
DO
LC
72131-
DO
LC
72131-
DO
LC
72131-
DO
LC
72131-
CL
K
LC
72131-
CL
K
LC
72131-
CL
K
LC
72131-
CL
K
C4013 C4013 C4013 C4013
22PF
22PF 22PF
22PF
C4012
C4012 C4012
C4012
22PF 22PF 22PF 22PF
C4011
C4011 C4011
C4011
22PF 22PF 22PF 22PF
C4014 C4014 C4014 C4014
22PF
22PF 22PF
22PF
C4015
C4015 C4015
C4015
22PF 22PF 22PF 22PF
C4016
C4016 C4016
C4016
22PF 22PF 22PF 22PF
R
4046
R
4046
R
4046
R
4046
R
4045
R
4045
R
4045
R
4045
R
4044
R
4044
R
4044
R
4044
R
4043
R
4043
R
4043
R
4043
R
4042
R
4042
R
4042
R
4042
R
4041
R
4041
R
4041
R
4041
(6 x 33)(6 x 33)(6 x 33)(6 x 33)
TV-V
P-
MU
TE
P-
MU
TE
P-
MU
TE
P-
MU
TE
P-
MU
TE
P-
MU
TE
P-
MU
TE
P-
MU
TE
C937 C937 C937 C937
104 104 104 104
C
938
C
938
C
938
C
938
104104104104
D513 D513 D513 D513
1N4148
1N4148 1N4148
1N4148
D
913
1N
4001
D
514
D
514
D
514
D
514
1N
4148
1N 4148
1N 4148
1N 4148
LI
NE
-OUT
/M
UT
E
LI
NE
-OUT
/M
UT
E
LI
NE
-OUT
/M
UT
E
LI
NE
-OUT
/M
UT
E
3.2V
5V 5V
1.8V
5V
3.4V
5V 0V 0V 0V 0V 0V 0V 0V 1V 0V 0V 0V
4.5V 3.3V 4.9V 4.5V
AC 1.3V AC 1.2V AC 1.3V
4.3V 4.3V
0V 0V 0V 0V 0V 0V 0V
0V 0V
1.8V
5V
0V
0V
0V
1.5V
1.5V
23V
0V
0V
0V
6V
DC12V
AC10.5V
10.5V 9.4V
9.9V
11.9V
11.9V 5V
5V
4.85V
0V
4.85V
0V
3V
0V
0V
0V
0V
0V
11V
15.5V
15.5V
0V
0V
19V
0V 0V
+19V
-19V
0V 0V 0V 0V 0V
0V
0V
0V
10.8V
-12.1V -19.5V
+12V +19V
9.2V
10.2V
9.9V
12V
12V
12V
0.7V
0V
0V
0.7V
4.8V
4.9V 4.9V 4.9V 4.9V 1.7V 2.3V
R4024 C2
R4025 C2
R4026 C2
R4030 C3
R4031 C3
R4032 C3
R4041 A3
R4042 A3
R4043 A3
R4044 A3
R4045 A3
R4046 A3
R4100 D3
R4101 D3
R4102 D3
R4103 D3
R4104 D4
R4105 B3
R4106 B3
R4107 D4
R4110 A1
R1111 A1
R4112 A1
R4113 A1
R4114 A1
R4115 A1
R4116 A1
RB102 A2
RB104 B1
RB501 C5
RB601 B1
RB900 B4
Q401 C2
Q402 C2
Q403 D3
Q404 A1
Q405 B1
Q501 C5
Q502 C5
Q503 C4
Q504 C4
Q505 C5
Q901 A5
Q902 A5
Q903 A5
Q910 A5
Q911 A5
Q912 A5
Q913 A4
Q914 A4
L501 B4
L502 B4
L503 C4
L505 C4
L506 C4
ZD401 D2
ZD402 D2
ZD403 D2
ZD404 D3
ZD901 A5
D401 A1
D501 C4
D502 C4
D503 C5
D504 C4
D507 D4
D508 C4
D509 C4
D510 C5
D511 B3
D512 B3
D514 B3
D901 D5
D902 A5
D910 D5
D911 A5
D912 D4
IC401 A1
IC402 A2
IC403 C1
IC404 D1
IC405 C1
IC406 D1
IC407 C2
IC408 D2
IC409 C3
IC410 C3
IC411 D3
IC412 C2
IC413 B2
IC501 B4
IC502 C4
IC503 D4
IC901 B4
IC902 B4
IC903 B4
IC904 A4
IC411 D3
F901 D5
F902 D5
F903 A5
CN101 A3
CN201 A3
CN301 A4
CN501 C5
CN903 B5
CN904 A4
CN905 B5
CN906 B4
JK105 A1
JK106 A1
JK401 A1
JK402 B1
JK501 C5
JW401 C2
JW402 C1
JW403 D1
D514 B3
ESD-C1 D5
ESD-C2 D5
ESD-C3 D5
ESD-C4 D5
ESD-C5 D5
ESD-C6 D5
ESD-C7 D5
ESD-C8 D5
ESD-C9 D5
R407 A1
R408 B1
R409 B1
R410 B1
R411 A1
R412 A1
R413 A1
R414 A1
R415 A1
R416 A1
R417 A2
R419 A2
R418 A2
R419 A2
R420 A2
R421 A2
R422 A2
R423 A2
R424 A2
R425 A2
R426 A2
R427 A2
R428 A2
R429 C1
R430 C1
R431 C1
R432 C1
R433 C1
R434 C1
R435 D1
R436 D1
R437 D1
R438 D1
R439 C2
R440 C2
R441 C2
R442 C2
R443 C2
R444 C2
R445 C2
R446 C2
R447 C2
R448 C2
R449 C2
R450 C2
R453 C2
R454 C2
R455 C2
R456 D2
R457 D2
R458 D2
R459 D2
R460 D2
R461 C2
R462 C2
R463 C2
R464 C2
R465 C3
R466 D2
R467 D2
R468 C3
R469 C3
R470 B3
R471 B3
R472 C3
R473 B3
R474 C3
R475 C3
R476 C3
R477 C3
R478 C3
R479 C3
R480 C3
R481 C3
R482 C3
R483 C3
R484 C3
R485 C3
R486 C3
R487 C3
R488 C3
R489 C3
R490 C3
R491 C3
R492 D3
R493 D3
R494 D3
R495 D3
R496 D3
R497 D3
R498 D3
R499 D3
R501 C4
R502 C4
R503 C4
R504 C4
R505 C4
R506 C4
R507 C4
R508 C4
R509 C4
R510 C4
R511 D4
R512 D4
R513 D4
R514 D4
R515 D4
R516 C5
R517 C4
R518 C4
R519 C5
R520 C5
R522 C5
R523 C5
R524 C5
R525 C5
R526 C5
R527 C5
R528 C4
R529 C4
R530 C4
R531 C5
R532 C5
R901 B5
R902 B5
R903 B5
R904 B5
R905 A5
R906 B5
R907 A5
R908 B5
R909 A5
R910 A5
R911 A5
R912 A5
R913 A5
R914 A5
R915 A5
R916 A4
R917 A4
R918 A4
R919 A4
R920 D5
R925 A1
R926 A1
R927 A1
R4001 A1
R4002 A1
R4003 B2
R4004 B2
R4005 B2
R4006 B2
R4007 B2
R4008 B2
R4009 B2
R4010 B2
R4011 B2
R4012 B2
R4015 A1
R4016 A1
R4017 A1
R4018 A1
R4021 B2
R4022 C2
R4023 B2