Sharp 72GF-66CH, Service Manual

Page: 28 / 56

72GF-66E
28
SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.
1
I
H
G
F
E
D
C
B
A
2
3
4 5 6 7
Page 29
Page 30
3
1
2
3
1
2
3
1
2
3
+5V
GND
+5V
RC
1 2 3 4
+5V
+5V
+5V
+5V
+5V
+3.3V
+3.3V
+5V
+3.3V
+3.3V
+5V
+3.3V
+5V
+8V
+3.3V
+5V
+16
V
-16V
+14
0V
+5V
+5V
PROT VS
LEDOPC PAGC ABL LED OPC CAG RU GU BU
A16 A17 A18
VS
AL
ALCLOCK
AFT2
AFT1
PAFT
SDA
SCL
OE
AL
TLTXT
SC
BLU
RS
A19
Q708 2SC2412
R733 47K
R712 560
FB701 LN0037
FB702 LN0037
R728 180 (1/2W)
R1041 4K7
Q505
C1019 22pF
C1022 100nF
C1020 22pF
C1021 100nF
R1026
220
R2406
2K2
R2407
2K2
C718 1000uF (25V)
C719 1000uF (25V)
C2401 22pF
C2402
22pF
FB703 LN0037
C2404 100nF
C2403 100nF
CF701 C0121
R740 47K
R711 1K8
R727 180
(1/2W)
Q709 2SC2412
R714 560K 1/2W
D703
DX0555 RF2005
D704 DX0555
RF2005
D701
DX0555 RF2005
D702
DX0555 RF2005
D711 DX0539 BYT52
M
R1048
820
R1002
3K3
R1001
3K3
D721 C8V2 EX0550
D2401
EX0539
3V
D706
DX0551
D730 DX0551
Q701 TX01
98
S5F10N80
D720 DX0587 MR826
X2401 B0214 20.48MHz
(G) PLGN0207
C705
EZ0141
68uF (450V)
R2402
4K7
D718
MBR3100
D719 MBR3100
R716 .27
1W
R758 100 R754 2R7
Q710 2SC2412
D725 DX0551
Q711 BC547 TX
0106
R751 1K
R1017
3K3
R1052
4K7
R2408 3K3
Q712
2SC2412
J701 100nF
C711
220pF
2KV
KZ0035
R755 390
R1055 470K
R1004
3K3
R1022
100
R1035
4K7
R1050
220
C728 100nF
R739 47K
R738 47K
R737 180K
R1019 3K3
R1018 100
R1020 3K3
R2409 270
R1023 220
R1
0 27
(RGB) GN0441
R2410 100
R2411 100 R2412 100
(SW1) GN0341
(SW2) GN0341
D1003 DX0606
BAS85
R1033
10K
Q1005
2SC2412
IC1001
ST10R27
2
IX
1686B
M
P5.13
1
P5.14 AFT1
2
P5.15 AFT2
3
VSS
4
XTAL1
5
XTAL2
6
VDD
7
3.0
8
3.1
9
3.2 MICRO OUT
10
3.3 LED OPC
11
3.4 AGC OUT
12
3.5 ABL
13
3.6 LEDST
14
3.7 OPC IN
15
3.8 AV LINK
16
3.9 CAG
17
3.10 M3CLK
18
3.11 M3LDA
19
3.12 I2CEN
20
A19
26
VSS
27
VDD
28
A20
29
A21
30
A22
31
A23
32
RD
33
WR/WRL
34
READY
35
ALE
36
EA
37
VDD
38
VSS
39
40
P5.12
100
P5.11
99
P5.10
98
P7.3 PAFT
97
P7.2 SDA1
96
P7.1 SDA2
95
P7.0 SCL1
94
P2.11
93
P2.10 AVLINK
92
P2.9 IR
91
P2.8
90
P6.7
89
P6.6
88
P6.5
87
86
3.13 SERV DATA
21
P3.15
22
A16
23
A17
24
A18
25
R777 47
L702
T70
2
BTW34
Q714 2SA1037
R768 220 (TQ
)
R762 220 (TQ
)
D727 DX0551
C1017 33nF
D733 DX0551
D707 DX0502 1N4005
D708 DX0502 1N4005
R774 470K (TQ
)
R775 470K (TQ
)
LP701
R721 470K (1/2W)
R703 470K (1/2W)
R735 470K
R736 470K
8 7 3 4
(RC)
GN0341
(AA)
CM0672FC
X1002 17.734 B0200BM
T70
1
NZ0577BM
17 12
D728 C5V1 EX0545
D732 C15
EX0556
C737 1uF (16V)
C704
KZ0165
3n3 250V
R763 100 (1/2W) XZ0224
R770 270 (1/2W) XZ0229
D731
DX0502
1N4005
D734
DX0502 1N4005
R1059 100
R1058 100
POR701 P0001BM
D729 C47 EX0568
R708
1K
D710 EX0545 5V1
FB1001
R771 470K
(1W)
Q715
TX02
15
2SK2715
R769 820
C702 47nF 400V FZ0173
C701 FZ0160BM
C703 KZ0165
3n3 250V
L703
D1004 EX0549
D1005 EX0549
FB1002 RBLN-0037
IC701
PST5
29
2
2
1
1
3
3
R788
18K
C706 22uF (16V)
C707 100uF (16V)
R789
18K
R790
18K
IC703 FX0112
5
1 2
4
R792 6K8
R791 18K
IC702 ST620
3B
IX1646
VDD
1
OSCIN
2
OSCOUT
3
NMI
4
TEST
5
RESET
6
PB7
7
PB6
8
PB5
9
PB3
10
PB1
11
PB0
12
PA3
13
PA2
14
PA1
15
VSS
16
R2401 470
IC1003 X24645 IX1603
NC
1
S1
2
S2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
IC1004 X24645 IX1603 NC
1
S1
2
S2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
R787 47K
C2409 47pF
(OPC) GN0341
C723
2200uF
(10V)
C1032 2.2uF
J13
3,3uH
(CF)
C1002 100nF
R776 82K
C730 10nF
C733 10nF
C1027 47uF (16V)
C731 10nF
R1008
JF30
R715 47K 5W
R713 560K 1/2W
C710 47nF (500V) DE472Z
JF53
JF54
C1001 470uF
(6.3V)
R1031 4K7
C720
Q717 2SC2412
R1030
4K7
C724 220uF (16V)
R1029
4K7
C732 10nF
C739 220uF
(16V)
IC704 FX0112
5
1 2
4
R1028
100
D724 C2V7 EX0538
C725 4.7nF (HB)
C749
TV1CF474Z*
470nF 16V
IC708 FX0111
R767 10K
1