Sharp HT-CN410DVH Service Manual page 18

HT-CN410DVH
SCHEMATIC DIAGRAM FOR CONTROL PCB
A
RB5503
7
GND
6
AC1
5
AC2
4
GND
3
-27VF
2
BK5V
1
ON/OFF
B
RB204
10
9
8
7
R2532
6
5
R2533
4
R2534
3
C R2535
2
1
CN10/20
R2558
R2559
D
E
F
G
0
R2552
H
1
R2539
R2540
R2564 10
BK5V
+ BK5V
C2520
100UF/16V
PMUTE
0
IR
0
VFD_DA
0
VFD_CK
0
VFD_CE
0
0
Q2502
2SC1623
SN251
SENSOR
+
VFD_DA
VFD_CK
VFD_CE
R2546
R2547
0
TA2507-2
TA2507-2
2
Figure 1: SCHEMATIC DIAGRAM FOR CONTROL PCB (1/2)
0
0
ZD255 5V1
4.7K
R2502
R2556
R2501
LED-1
LED-1
0 1K
R2528 1K
R2513 4K7
+
R2541
22k
C2521
104
3V
ZD253
R2520 470
R2521 33
R2514 10K
R2515 10K
R2522 33
R2523 33
R2529 10k
TA2507-1
2.2K
0
R2543
0
R2544 2.2K
R2545
2.2K
3 4
18
R2560 R2563 0
0
Q2501
2SA812
LED-2
LED-2
D2501
1N4148
XL2501
455K
1
OSC1*
2
RESET*
3
MODE*
4
REMOTE*
5
Din/out*
6
IIC SDA*
IC251
7
IIC SCL*
V63111
8
CLK
9
STB
10
K1
11
K2
12
K3
13
K4
C2512 104
D2506 1N4148
D2507 1N4148
D2508 1N4148
5
DP251
R2524 1K
R2525 1K R2526 22K
ZD254
5V6
39
Grid6
38
Grid7
37
Grid8
36
Seg20/Grid9
35
Seg19/Grig10
34
VEE
33
VDD
32
Seg18/Grid11
31
Seg17/Grid12
30
Seg16/Grid13
29
Seg15/Grid14
28
Seg14/Grid15
27
Seg13/Grid16
6