Read Sharp HT-CN410DVH (serv.man2) Service Manual online
HT-CN410DVH
18
SCHEMATIC DIAGRAM FOR CONTROL PCB
Figure 1: SCHEMATIC DIAGRAM FOR CONTROL PCB (1/2)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
R2521
33
C2511 104
D2508
1N4148
1
2
3
SN251
SENSOR
C2515
104
ZD252
5V6
ZD251
5V6
C2514
100P
C2513
220U/35V
C2509
104
TA2506
TA2510
SELECT
SOURCE
OSC1*
1
RESET*
2
MODE*
3
REMOTE*
4
Din/out*
5
IIC SDA*
6
IIC SCL*
7
CLK
8
STB
9
K1
10
K2
11
K3
12
K4
13
VDD
14
Seg1/KS1
15
Seg2/KS2
16
Seg3/KS3
17
Seg4/KS4
18
Seg5/KS5
19
Seg6/KS6
20
Seg7/KS7
21
Seg8/KS8
22
Seg9/KS9
23
Seg10/KS10
24
Seg11/KS11
25
Seg12/KS12
26
Grid6
39
Grid7
38
Grid8
37
Seg20/Grid9
36
Seg19/Grig10
35
VEE
34
VDD
33
Seg18/Grid11
32
Seg17/Grid12
31
Seg16/Grid13
30
Seg15/Grid14
29
Seg14/Grid15
28
Seg13/Grid16
27
OSC2
GND
GPIO1*
GPIO2*
GPIO3*
GPIO4*
PSW*
VDD
Grid1
Grid2
Grid3
Grid4
Grid5
40
41
42
43
44
45
46
47
48
49
50
51
52
IC251
V63111
R2510
10K
10K
10K
R2511
R2512
R2528
1K
XL2501
455K
C2507
150P
C2506
150P
C2505
10U/50V
ZD253
3V
TA2501
TA2502
TA2503
TA2504
TA2505
OPEN/CLOSE
PLAY/PAUSE
STOP
PREV
NEXT
D2507
1N4148
D2506
1N4148
R2519
33K
R2518
R2517
R2516
10K
10K
10K
C2508
104
D2504
1N4148
R2522
33
R2523
33
R2515
10K
R2514
10K
R2520
470
C2512
104
R2505
47
VFD_CK
VFD_CE
VFD_DA
IR
Q2502
2SC1623
2SC1623
R2507
1K5
R2504
47K
R2506
10K
1
2
3
4
5
6
7
RB5503
ON/OFF
BK5V
-27VF
PMUTE
GND
GND
AC1
AC2
R2501
1K
Q2501
2SA812
R2509
10K
D2501
1N4148
1
2
DP251
R2524 1K
R2525 1K
R2526 22K
ZD254
5V6
5V6
R2513
4K7
R2529 10k
BK5V
BK5V
1
2
3
4
5
6
7
8
9
10
RB204
CN10/20
LED-1
LED-2
LED-1
LED-2
TA2507-1
TA2507-2
TA2507-1
TA2507-2
R2502
4.7K
R2532
0
R2533
0
R2534
0
R2535
0
VFD_DA
VFD_CK
VFD_CE
R2538
1.2K
R2537
4.7K
R2536
4.7K
+
C2504
100UF/16V
+
C2520
100UF/16V
+
C2503
100UF/16V
R2539
0
R2540
0
TA2508
TA2509
UP
DOWN
C2521
104
R2541
22k
R2542
3.3K
C2516
104
C2522
223
C2523
2
2
3
C2524
223
C2525
223
R2543
2.2K
2.2K
2.2K
R2544
R2545
C2528
103
C2527
103
C2526
103
R2546
0
R2547
0
R2548
0
R2549
0
R2550
0
R2551
0
R2552
0
R2553
0
R2554
0
R2555
0
R2564
10
ZD255
5V1
R2556
0
R2558
0
R2559
0
R2560
0
R2563
0
R2562
0
R2561
0
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