Sharp 28JW-76E, Service Manual

Page: 43 / 88

43
28JW-76E
Page 42
8 9 10 11 12 13 14
R
Q
P
O
N
M
L
K
J
SCHEMATIC DIAGRAM OF MOTHER BOARD UNIT (F7351N1A)
Page 41
3
2
17
+5
V
11
4
15
5
V
3
(YB)
24
9
1
22
18
1
10 16 25
4
H
5
2
12
6
14
7
20
13
V
8
19
H
23 21
15
+5
V
CRDARA027WJFW
B
N
NOMBRE
7M
MOTHER BOARD
5
GA200
APROBADO
SHARP
3
CODIGO
1
A-1
MODELO
W
REVISIONES
F
FECHA
BN
1
VERIFICADO
Q
ESCALA
REALIZADO
P
FECHA
E
L
E
C
T
R
O
N
IC
A
ESPAN
A S.A.
+2
0
0
V
+5
V
31
+5
V
QSOC
Z
2
561C
E
Z
Z
34
32
7
28JW76E 32JW76E
+5
V
+5
V
CZ2112BM
24
13
A
Ha
sta
IN
F
O
2
1
5
Ha
sta
IN
F
O
2
1
3
Ha
sta
IN
F
O
2
1
0
Ha
sta
IN
F
O
2
5
4
Ha
sta
IN
F
O
2
2
3
Ha
sta
IN
F
O
2
2
2
33
12
12
03-10-2002
87 88 89 84 85 86
28-08-
2
0
0
2
09-08-
2
0
0
2
07-08-
2
0
0
2
30-08-
2
0
0
2
30-08-
2
0
0
2
02-10-
2
0
0
2
+B AGC SD
A
VT IF SC
L
AV1
AV1
AV3
VERT- VI1' VERT+ HFB FRONT HPROT
HFB
SC2OUTL
SC2OUTR
FB
B IN
G IN
R IN
VPROT HOUT
SDA1 SDA1
SDA1
AV2
SCL1
SSC-CLOCK
SCL1
SCL1
SSC-CLOCK
CVBSOUT
IF
CVBSOUT
ABL
ABL
STBY
PROT
SC1OUTR
SC1OUTL
AV3
SSC-CLOCK
AV2
SC3INL
SC1OUTR
SC3INR
SC1OUTL
SSC-DATA
SC2INL
SC2INR
SC1INR
SC1INL
+3.3VSTBY
.
R631 330K
R416 75
R629 470K
C626 10uF
. . . . .
R626 100
C205 220nF (FZ)
C624 180nF (400V) FZ0240BM
R411 27K
R414 1K
R417 75
X301 B0203 18,432MHz
C619 100nF (250V)
FZ0198BM
R202 100
. . . . .
C625 1nF (500V)
C323 47pF
L605
ZA016WJ
R309 100
C218 10nF
R415 75
C617 220nF (400V) FZ0241BM
C206 10nF
. . . . .
R627 82K (1/2W)
. . . . .
C219
390pF
HB
Q609
BC847B TX0232
0
D622 C12 EX0554BM
D623 C4V7
EX0544BM
Q612 2SK2882
TXA002WJ
R439 100
R438 470
R437 220
Q406 BC857B TX0243
R440 1K
R441 10 (1/3W)
C347
2n2 HB
R326
100K
100
R322
R324
100
C343
680pF
(25V)
R325
100
R327
100K
C348
2n2
HB
C344
680pF
(25V)
R323
100
D431
C12
EX0554
D432
C12
EX0554
D437 C12 EX0554
FB303 LN0091GE
R452 0
8 4
R215 8K2 1/2W
3 7
11
2 6
R214 18K 1/2W
T
H
201A
RTUNH0
1
45
1 5
C213 27pF C214 220pF
R213 18K 1/2W
9
JF7
10
R203 100
100
R418
75
D407 EX0549 C7V5
NC
64
NC
63
AVSS
62
I2C_DA
3
I2C_CL
2
NC
1
STANDBYQ
80
ADR_SEL
79
D_CTR_OUT0
78
D_CTR_OUT1
77
NC
76
NC
75
AUD_CL_OUT
74
TP
73
XTAL_OUT
72
XTAL_IN
71
TESTEN
70
69
ANA_IN-
68
67
AVSUP
66
AVSUP
65
C325
47pF
C202 100nF (25V)
D409 EX0549 C7V5
R369 3K3
C326 5pF
R420
75
D410 EX0549 C7V5
. . . . .
R206 5K6
C322 100nF (25V)
C327 5pF
R419
75
R410 6K8
D408 EX0549 C7V5
C324
47pF
R421
82
X201 4MHz
B0201BM
L203 6.8uH (CF)
C201 470nF (FZ)
D405 EX0549 C7V5
R207 150
L301 10uH (DF)
JF54
R231 270
R223 10 (1/2W)
C329 100nF (25V)
R413 68
R205 220
L202 12uH (DF)
R370 3K3
Q403 BC847B TX0232
D422 EX0556BM C15
D406 EX0543 C4V3
C222 100uF (6.3V)
R422 220
C422 220uF (10V)
C203 22nF
IC202 IX0037
C211 10nF
C204 100uF (16V)
C212 470uF (10V)
C330 330uF (10V)
C417 47uF (10V)
C207 1n5 HB
Q201 BC857B TX0243
C221 330nF (FZ)
(VI
A
)
GN
0241
R OUT RF
R IN
L OUT RF
GND
GND B
L IN
BLUE
SS
GND G
GREEN
N.C.
N.C.
GND R
N.C.
RED
FS
GND V IN
GND FS
V OUT RF
V IN
GND PLUG
1
2
3
4
5
6
7
8
SOUND
9
10
11
12
13
14
15
16
17
18
19
20
21
RGB
CZ2107BM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
D204 5V6 EX0409
D205 5V6 EX0409
R668 390 (1/2W)
C639 1nF (500V)
D202 BA591 DX0623
R221 680K
C208 10nF
D203 BA591 DX0623
C209 100nF (25V)
R222 220K
C210 10nF
R211 6K8
R210 100
D201 BA591 DX0623
R208 22K
R209 6K8 Q202 BC847B TX0232
SF
20
2
K945
6
C
029
4B
M
5
4
3
1
2
R212 22K
IC2
0
1
T
D
A9886ST
IX1808BM
VIF1
1
VIF2
2
OP1
3
FMPLL
4
DEEM
5
AFD
6
DGND
7
AUD
8
TOP
9
SDA
10
REF
15
VAGC
16
CVBS
17
AGND
18
VPLL
19
VP
20
AFC
21
OP2
22
SIF1
23
SIF2
24
SCL
11
SOUT
12
NC
13
TAGC
14
R230 22K
R204 22K
SF
20
1
K395
3
C
0
2
78BM
5
4
3
2
1
JF5
(F
)
G
N
1
505BM
FB301 LN0091GE
R OUT
R IN
L OUT
GND
GND
L IN
SS
GND
N.C.
1
2
3
4
5
6
7
8
SOUND
9
10
11
1
2
N.C.
N.C.
N.C.
DISPLAY
DISPLAY
.
.
.
.
.
.
.
.
.
.
.
.
.
R OUT
R IN
L OUT
GND
GND
L IN
SS
GND
N.C.
AV LINK
GND
N.C.
CHROMA IN
GND V IN
GND
V OUT
V IN
GND PLUG
1
2
3
4
5
6
7
8
SOUND
9
10
11
12
13
14
15
16
17
18
19
20
21
N.C.
N.C.
N.C.
DISPLAY
DISPLAY
DISPLAY
AV 1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
D433 C12
EX0554
FB302 LN0091GE
D438 C12 EX0554
R319
270
C338
1nF HB
R428 27K
R407 75
C393 1nF
HB
D411 C5V6 EX0546
R320
100
R314 100
C340
680pF
R341 270
R321
270
C334 680pF (25V)
R316
100
C341
1nF HB
R409 27K
C337
680pF (25V)
C394 1nF HB
C331 680pF (25V)
R343 270
C432 1nF HB
(VI
B
)
G
N
0
441
R451 0
R406 75
D403 EX0549 7V5
R318 100
D404 EX0549 7V5
C403 10nF
(CR) GN
0241
D434 C12 EX0554
D435 C12 EX0554
D439 C12 EX0554
D420 C5V6 EX0546
R408
6K8
D421 4V7 EX0544
D436 C12 EX0554
C433 1nF (HB)
J162 2K2
J163 2K2
J141 2K2
J142 2K2
R219 R220
Q407 BC847B TX0232
C215 330nF (FZ)
R201 100K
J128 1K2
Digitally signed by ADOLFO FERNANDEZ cn=ADOLFO FERNANDEZ, o=LABORATORIO, c=US Date: 2002.10.03 14:26:39 +01'00' Reason: This document is ready for approval
Digitally signed by Josep Vila Sola cn=Josep Vila Sola, ou=Engineering, o=SEES, c=ES Date: 2002.10.03 14:29:02 +01'00' Reason: I am approving this document
Digitally signed by Castillo, Fco. cn=Castillo, Fco., ou=SEES, o=Engineering Dept., c=ES Date: 2002.10.03 14:50:13 +01'00' Reason: I am approving this document