Read Sharp 76GF-64H (serv.man3) Service Manual online
17
76GF-64H
8
9
10
11
12
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I
H
G
F
E
D
C
B
A
Page 16
Page 19
MOTHER UNIT SCHEMATIC DIAGRAM (00 Version).
123
4
+13V
Vf
GND
V OUT
V IN
R OUT
L OUT
R IN
L IN
SS
V OUT
V IN
5
+175V
-19V
+5
V
+150V
+5V
+5
V
B
+5
V
+5
V
+150V
-13V
+13V
L
+13V
+5
V
+150V
+
5V
+2
0V
-13V
+5V
+5
V
+1
50V
+1
50V
BLU
BU GU RU
AV3
SC3INL
SC3INR
SC1OUTL
SC1OUTR
VI2
CAG
PROT
VI3
L605 Z0720BM
R720
10K
R722
33
JF1
L606 150uH
P0237BM
R539 3K3
R402 75
R404 100
R406 100
R607 12K
C515 680pF
R522 2K2
D715
DX0551
D713
DX0551
D712 EX0419
C15
C713 68nF
C712 100pF
DX0539
BYT52M
R745
1K8
(1%)
R750 1M
FB703 LN0037
J152 J1023
R2402
4K7
X2401 B0214
20.48MHz
R2408
3K3
C2406 100nF
R2403 1K5
Q2401 2SC2412
R2404 56
R2405 100K
R537 8K2
R527 1K
R627 180
(TQ)
L601 3.3uH
R625 180
(TQ)
R614 10K
(1/2W)
C606 100nF
(HB)
R768 220
(TQ)
D727 DX0551
R719 220
L2
M0017CE
R401
75
R405 100
C401
100pF
C404 100pF
R403 100
R40
8
75
(1/4
W
R603 330
D510
DX0505
1N4935
R508 680
R455 10K
L2401 3.3uH
(DF)
R612 22
(1/3W) XZ0116
IC706 TL431
IX1674BM
C715 330pF
Q702
TX0182
2PD602AR
+VS
-VS
IC503
BA1039
3
IX1556B
M
8
7
6
5
4
3
2
1
D401 EX0549
7V5
D402
EX0549
7V5
D404
EX0549
7V5
D506 DX0551
D412
DX0551
Q601 TX0144
BUH515
D611 DX0505
1N4935
R717 22K
D720
DX0587
MR826
D604 DX0301
BY299
D603 DX0299
BY228
C720 EZ0258
100uF (200V)
C532 100pF
R534 27K
D502
DX0551
D504 DX0551
R 2
D414 DX0551
D608 DX0505
1N4935
F601 J2521
D621 1N4936
DX0506
R616 2.7
(1W)
D610
DX0503
1N4933
R762 220
(TQ)
D728 C4V7
EX0544
F602 J2521
D609 DX0505
1N4935
J248
120
(1/2W)
R451 120
(1/2W)
R456 15K
R452 22K
1%
D415
6V2
EX0547
R526 4K7
C437 47uF
R650 5K6
R723 270
(1W)
Q701
TX0198
S5F10N80
C714 82nF
KZ0036CE
Q602A TX0192
(KSC2500)
R619 560
(1/2W)
R605 470
Q603 2SC2412
D612
R601 3K9
C738 56pF
Q703
TX0151
2SD2391Q
IC705 FX010
6
M
O
C8106
5
1
2
4
R624 5.6
(2W)
(LU)
R628
1K
(1/4W)
R608
1K
(1/4W)
R615 C27
EX0425
R716 .27
1W
D716 EX0411
6.8V
R645
R617
XZ0216
22 1/2W
R743 47K
(1%) TQ
R744 47K
(1%) TQ
100nF
(HB)
J701 100nF
(HB)
C528 10uF
(63V)
R533 820
(1/4W)
R540 4K7
L604
P0284BM
1
3
2
C518 10pF
C522
100nF
R509 39K
R513 220K
L503 3.3uH
(CF)
R544
1K
+VS
-VS
IC502 BA4558
8
7
6
5
4
3
2
1
C530 10nF
R545 100K
R556 10K
R555 330K
JF50
R519
100K
1/2W
R765
100
(TQ)
R766
100
(TQ)
R724 270
(TQ)
C525 5K6
R610 XZ0206BMZZ
3R3 (1/2W)
IC707
L497
8
IX1704
1
1
GND
2
SS
3
OSC
4
OUT
5
OUT
6
7
7
8
8
9
9
10
10
VCC
11
BOO
12
COM
13
FB
14
15
15
16
16
R706 20K
D714
MBR340RC
DX0605
FB705 LN0020
C723
2200uF
(10V)
R707
9K1
L2402 10uH
(DF)
L705
PCV1620
P0285
L603 P0286
1
2
R558 (0)
R811 10K
R812 2K2
(H
)
C403 220pF
C405 220pF
R646 820K
C61 470
n
(25
0
C611 680nF
(200V) FZ6105
R747 2K7
L609A 1.2uH
(CF)
C601 12nF
1.5Kv FZ0152
C610 33nF
(850V) FZ0172
D722
1N4934
DX0504
R552 (0)
C619 2.2uF
(160V) +105
C620 2.2uF
(160V) +105
C722 100nF
(HB)
C717 15nF
(HB)
C716 3.3nF
(HB)
C537 4.7nF
(HB)
C742 68nF
(HB)
C770
KZ0160
2.2nF 4KV
Q606 2SC2412
R515 1K2
C516 270pF
R647 15K
R718 0
(TQ)
R730 100
(1W)
R512 3K3
R746 18K
FB301 LN0037
R530
XZ0212
10R
(1/2W)
R643
1
(1/2W) XZ0200
R748 4K7
D509 DX0551
C740 22nF
T60
1
NF201
3
2
3
4
5 6
9
7
13 8 1
10
17
19
13
15
9
11
5
7
1
3
2
4
6
8
10
12
14
16
18
20
21
19
18
20
CN2
CZ2109
B
M
21
14
17
16
4
5
6
1
2
IC2401
SDA5275
-3
IX1709B
M
CLK
1
TSCQ
2
VS
3
HS
4
XOUT
5
XIN
6
GPO
7
TM
8
CVBS
9
VDD_1
10
VDDA
11
VSSA_1
12
VDD_2
13
RES
14
VDD_3
15
VREF
16
VDD_4
17
A8
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
INTQ
52
I2CEN
51
M3LDA
50
M3CLK
49
CORQ
48
BLAN
47
B
46
G
45
R
44
VSS_1
43
RGB_GND
42
VSSA_2
41
VSS_2
40
VBB
39
VSS_3
38
CASQ
37
VSS_4
36
D3
35
D2
34
D0
33
D1
32
WEQ
31
RASQ
30
A11
29
A10
28
A9
27
IC2402
DRAM-MS
M51 4400D
IX1811
B
M
D0
1
D1
2
WR
3
RAS
4
NC
5
A0
9
A1
10
A2
11
A3
12
A5
15
A6
16
A7
17
A8
18
OE
22
CAS
23
D2
24
D3
25
VSS
26
A4
14
VCC
13
Q501 2SC2412
D515 C4V7
EX0544
D
4
E
C649 2,2nF
2Kv KZ00073
R649 560
R560 68K
R559 8K2
R1008
R453 18K
1%
C2407 220nF
R521 12K
D601 DX0551
C607 330uF
(10V)
R514
270
C406 390pF
R642 470
Q506 2SD2391
D1006
5V6
EX0546
C520
470uF
(35V)
C514
47nF
C645 220nF
(HB)
C526 10uF
R454 330
RA611
1K
2W
(EW
)
R524 1K
R525 10K
D735 170V
EX0875
C642 68nF
C741
100nF
Q406
2SA1037
R741 8M2
1/2W
C2405 220nF
C735 2.7nF
(HB)
R742 8M2
1/2W
C539 1uF
C2408 100nF
C721
470uF
(35V)
EZ0132
R532 8K2
Q802 2SC2412
C644 220uF
(16V)
C743 100nF
R538 27K
C616 470uF
(35V)
C527 100nF
D413 B6V2
EX0584 (2%)
C615
470uF
(25V)
D726
12V
EX0554
R407 75
C632
470uF
(25V)
D503 DX0551
C531 10nF
R623 1
(2W)
1
3
4
5
2
7
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