Read Sharp 76GF-64H (serv.man3) Service Manual online
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76GF-64H
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Page 16
MOTHER UNIT SCHEMATIC DIAGRAM (00 Version).
1
2
3
1
2
1
2
1
2
3
1
2
3
4
5
6
7
8
A
)
6
5
4
3
2
1
+5
V
+3
.3
V
+5V
+3.
3V
285
+
16
V
-16V
+5
V
-16V
+5
V
+5
V
-16V
+
3.3V
+3
.3
V
+3.
3V
+3.
3V
+5
V
+5
V
+5V
+5
V
+5
V
+
8V
+5
V
+5
V
+5
V
+5
V
+1
6V
+1
6V
+2
5V
+5
V
+8
V
+5V
+5V
(K)
+3.
3V
12
1
2
3
4
1
2
SC2OUTR
SC2OUTL
SC4INL SC4INR
SC1OUTR
SC1OUTL
OE
SC4INL
SC4INR
SC3INL
SC3INR
SC2INL
SC2INR SC1INL
I2SIN
SC1INR
I2SOUT
I2SWS
I2SCL
SDA
SCL
RS
R
VERT
G
RO GO BO
B
FB
R2 G2 B2
VI3
BL1
SF
VPROT
HB
CSY
HEADL
HEADR
MUTE
V
TLTXT
RES2
SCL
SDA
AGC
FI
GO
BO
RO
ISEN
RES2
HEADR
HEADL
MUTE
VFRONT
+5V
D6
A12
H
AV2
A1
A18
A4
A17
A3
D7
D0
D1
AV3
SELFI
A0
A19
A2
A15
A6
A15
SELV
L/L'
AFT1
A0
D0
A2
SELV
H
A5
D4
D5
A16
D2
D2
A7
BG/L
PROT
A1
AV1
A7
D3
D4
A4
D6
D1
D7
D3
D5
A12
A5
A6
A3
GND
GND
GND
EW
C351 220uF
(25V)
R350 10K
R353 150
R354 10K
R357 150
R358 100K
R361
10K
C350 100nF
L350 3.3uH
(CF)
C354 100pF
C360 560pF
C375 560pF
R1042 8K2
R362 4K7
L352 P0278
L353
P0278
R303 100
R301 100K
R1047
10K
R
1032 27K
R1024
8K2
R1025
8K2
R504
R505
R359 100K
R315 100
R308 100
R312 22K
C320 1nF
R314 100K
C341 220nF
R309 22K
R311 100K
C319 1nF
C340
220nF
C353
100nF
R352
12K
C361
470nF
(FZ)
R360 10K
C376 470nF
IC301
TDA7480
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
C358 100nF
C357
1nF
R375 47K
C362 2.2uF
L351 3.3uH
(CF)
C363 220uF
(25V)
C364 100nF
C365 220uF
(25V)
L315 3.3uH
(CF)
IC302
TDA748
0
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
C366 100nF
C368
100nF
C373 100nF
C369 100pF
C379 100nF
C367 100nF
R363
4K7
R355
27K
C371 1nF
R445 100K
R465 10K
D419
DX0551
E
VEE
VSS
VDD
IC401
HEF4053B
IX1602
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R461 100K
R458
1K
C812 22uF
C804 3.3uF
C813 3.3pF
C821 680nF
Q305 2SC2412
R376 4K7
R302 100K
C342 10uF
R319 100
C343 10uF
R320 100
R304 100
C326 10uF
(16V)
C323 330nF
C327
100nF
C330 47pF
C335 5pF
C334 5pF
X301
B0203
18.432
L801
3.3uH
(CF)
R803 1K2
R622 10K
R804
270
R805
2K2
C809
1nF
C321 100nF
R307 100
R306
100
L301 10uH
(DF)
L201 12uH
(DF)
R1054 100K
C432
1uF
(16V)
C317 330nF
R210 1K5
R208 1K
L803 3.3uH
(CF)
C819 1nF
R801 10K
R1049
10K
R1044
10K
Q1004
2SA1037
C814
6.8pF
055 7
K
R323 100K
R318 100K
C229 22uF
(16V)
R258 22
(TQ)
R255
D301
DX0551
Q303 2SC2412
Q304
2SA1037
R209
3K3
R254
12K
Q210
D1009
DX0551
C1033 68nF
D801 7V5
EX0549
R467 33K
(TQ)
C352 100nF
C811 100nF
FB802 RF0003
D1003 DX0606
BAS85
D302
7V5
EX0549
C305 10uF
(16V)
C306 10uF
(16V)
(S)
GN04
41
CE
C807 220nF
C808 220nF
R356
10K
R448 220
C431 330nF
R447
220
C430
330nF
IC304 M
5218L
+12V
8
OUTL
7
-INL
6
+INL
5
GND
4
+INR
3
-INR
2
OUTR
1
C451 10nF
(HB)
C378 220uF
(25V)
C313
10uF
(16V)
C314
10uF
(16V)
C311
330uF
(10V)
C315
3.3uF
C318 330nF
C322 330nF
C324 330nF
C325 330nF
C801 100nF
C377 10uF
R1005
4K7
C803 100nF
C822 680nF
R1027
10K
Q1006 2SC2412
R1057
1K
(RT)
GN0
24
1
Q1007
2SC2412
C434 220nF
X801
20.25MHz
B0219
C802 10uF
(SB)
CN0685
C
E
IC801
VDP3120C2
IX1688BMN2
CSY
8
MSY
9
INTLC
10
VPROT
11
SAFETY
12
HFLB
13
GND
14
VSUPD
15
GNDD
16
PR0
17
PR1
18
PR2
19
PORT2
20
PORT3
21
PORT4
22
PORT5
23
PORT6
24
DSGND
25
RSW2
26
RSW1
27
SENSE
28
GNDM
29
VERTQ
30
VERT
31
EW
32
XREF
33
SVM
34
GND
35
VSUP
36
ROUT
37
GOUT
38
BOUT
39
VRD
40
RIN
41
GIN
42
BIN
43
FBLIN
44
RIN2
45
GIN2
46
BIN2
47
FBLIN2
48
CLK20
49
HOUT
50
XTAL1
51
XTAL2
52
VSTBY
53
CLK5
54
GNDF
55
ISGND
56
VRT
57
C359 4n7
(HB)
C374 4n7
(HB)
C329 47pF
(SS)
GN0
34
1
(CC
)
GN0
24
1
(FV)
G
N
0241
R373 10K
Q306
2SC2412
L316 3.3uH
(CF)
R372 10K
D1011 EX0545BM
C356 3,3nF
C370 3,3nF
IC305
M
S
P
3410D
IX1789B
M
AUD_CL_OUT
1
NC
2
NC
3
D_CTR_OUT1
4
D_CTR_OUT0
5
ADR_SEL
6
STBY
7
NC
8
SCL
9
SDA
10
I2SCL
11
I2SWS
12
I2SDAOUT
13
I2SDAIN
14
ADR_DA
15
ADR_WS
16
ADR_CL
17
DVSUP
18
DVSS
19
I2S_DA_IN2
20
NC
21
NC
22
NC
23
RESET
24
DAC_R
25
DAC_L
26
VREF2
27
DACM_R
28
DACM_L
29
NC
30
NC
31
NC
32
NC
64
XTAL_OUT
63
XTAL_IN
62
TESTIO1
61
ANA_IN2+
60
ANA_IN-
59
ANA_IN1+
58
AVSUP
57
AVSS
56
MONO_IN
55
VREFTOP
54
SC1_IN_R
53
SC1_IN_L
52
ASG1
51
SC2_IN_R
50
SC2_IN_L
49
ASG2
48
SC3_IN_R
47
SC3_IN_L
46
ASG4
45
SC4_IN_R
44
SC4_IN_L
43
AGNDC
42
AHVSS
41
CAPL_M
40
AHVSUP
39
CAPL_A
38
SC1_OUT_L
37
SC1_OUT_R
36
VREF1
35
SC2_OUT_L
34
SC2_OUT_R
33
C331 100nF
D305 7V5
EX0549
(H
D
)
G
N
0341
R351 27K
C381 680nF
R377 3K3
C382 680nF
R378 3K3
(SC)
.
C383 1nF
+
-
IC202B
3
2
1
4
8
C337 470pF
IC1005
PST529
.
2
.
1
.
3
R1064
100
R1045
8K2
IC1002 27
C4000
IX1711
VPP
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
D7
21
E
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
A18
31
VCC
32
D0
13
D1
14
D2
15
VSS
16
D3
17
D4
18
D5
19
D6
20
R1021
4K7
C1018 100nF
R1046 1K8
R1003 3K3
R459 1K
IC1001
S
T10R272
L
IX1686
B
M
EA
37
VDD
38
VSS
39
RPD
40
D0
41
D1
42
D2
43
D3
44
D4
45
A14
75
A13
74
A12
73
A11
72
A10
71
VSS
70
VDD
69
A9
68
A8
67
A7
66
A6
65
A5
64
A4
63
A3
62
A2
61
A1
60
A0
59
P0H.7
58
HOUT
57
RES2OUT
56
P6.7
89
P6.6
88
P6.5
87
P6.4 SCL2
86
P6.3 SELV
85
P6.2 SLW1
84
P6.1 SLW2
83
P6.0 SLW3
82
NMI
81
D5
46
D6
47
D7
48
VDD
49
VSS
50
SELFI
51
BG/L
52
L/L'
53
RESOUT
54
ROT OUT
55
A15
76
VSS
77
VDD
78
RSTIN
79
RSTOUT
80
C443 100pF
R1053
100K
Q1001 2SC2412
C309 1nF
C815 22uF
C310 1nF
C825 10uF
(16V)
C312
100nF
Q408
2SC2412
C372 2.2uF
R374 47K
C1014 100nF
C824 10nF
C1028 100nF
C816
100nF
R313 1K
R310 1K
C316
100nF
C333 47pF
C328 100nF
R322 100K
C1005 100nF
C338
100nF
C1026 10nF
D303 7V5
EX0549
C380 47nF
C336 470pF
C332 330uF
(10V)
C1032
47uF
(10V)
Q302
2SC2412
C339 100nF
R466 220
R1043 8K2
D304
7V5
EX0549
C438 100pF
R321 100K
R468 0.
11
13
13
12
12
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