HCD-SH2000
HCD-SH2000
44
44
5-29. SCHEMATIC DIAGRAM – DISPLAY BOARD –
DISPLAY BOARD
3.4
2.8
3.3
-31
-31
3.3
-31
-31
3.3
-31
-31
E
(CHASSIS)
JL957
JL901
3.9k
R917
100
R919
JL910
2.2k
R911
JL928
JL927
JL914
JL924
JL913
0.1
C926
22
R900
JL918
JL926
JL915
JL906
JL920
JL925
JL911
JL905
JL922
33k
R918
4700p
C956
JL909
C952
0.1
JL908
JL902
JL900
100
R920
JL907
JL929
JL930
1k
R906
C902
0.1
0.1
C907
JL917
JL919
DZ2J068M0L
D902
16V
47
C953
SWITCHING
Q900
RT3CLLM
JL932
JL921
JL903
JL931
JL912
JL923
JL916
1k
R909
VCC
OUT
GND
REMOTE CONTROL
SIGNAL RECEIVER
IC982
PNA4823M03S0
6.3V
47
C908
0.01
C957
JL904
100k
R901
2.2k
R910
0.1
C959
C901
0.22
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
25
26
29
30
31
32
33
34
35
36
37
38
39
43
44
45
46
47
48
49
50
51
52
14
28
41
42
40
27
FLUORESCENT INDICATOR
TUBE DRIVER
IC901
PT6324-LQ
CLK
DIN
STB
DOUT
K1
K2
OSC
GND
VDD
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG11/KS11
SG12/KS12
SG13/KS13
SG14/KS14
SG15/KS15
SG16/KS16
SG17/KS17
SG18/KS18
SG20/KS20
SG21/KS21
SG22/KS22
SG23/KS23
SG24/KS24
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR10
GR11
GR12
GR13
GR14
GR15
GR16
VEE
VDD
GND
SG5/KS5
SG19/KS19
GR8
GR9
1k
R907
JL938
JL940
JL942
JL944
JL946
JL948
JL950
JL952
JL954
JL956
JL933
JL934
JL935
JL936
JL937
JL939
JL941
JL943
JL945
JL947
JL949
JL951
JL953
JL955
2.2k
R912
2.2k
R913
SWITCHING
Q901
RT3CLLM
2.2k
R914
1k
R908
1k
R905
1
2
3
4
5
6
7
8
9
10
10P
CN900
E+3.3V
SIRCS
+3.3V
FL_DRIVER_CS
FL_DRIVER_DATA
FL_DRIVER_CLK
DGND
-VG
LED_GND
LED_+13.5V
FL901
FLUORESCENT INDICATOR TUBE
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
55
1
220uH
L900
SWITCHING
Q904
2SC3052EF-T1-LEF
SWITCHING
Q902
2SC3052EF-T1-LEF
1k
R916
2.2k
R915
R922
0
LP900
T900
DC-DC CONVERTER
TRANSFORMER
9
2
4
5
6
7
3
8
1
50V
22
C930
RF05VA2STR
D904
RF05VA2STR
D901
RF05VA2STR
D903
RF05VA2STR
D905
SWITCHING
Q906
2SC5865TLR
SWITCHING
Q907
2SC5865TLR
470
R903
470
R904
C918
100p
C920
100p
220
R902
C915
220p
C925
0.1
50V
33
C958
GR12
GR13
GR14
GR15
GR16
LED+13.5V
G2
G3
G4
G5
G6
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G7
G8
G9
G10
G11
G13
G14
G15
P1
P2
P3
P4
P5
P6
P7
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
E+3.3V
SIRCS
G12
G16
G1
IR
F1
F2
3.2
2.8
3.1
1.7
1.7
1.7
2.3
3.3
-30
0
0
-32
-32
-24
-27
-27
-23
-30
-32
-30
-23
-32
-30
-32
-23
-32
-32
-32
-31
-32
-30
-32
-30
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-33
3.3
3.3
-31
-31
3.3
-31
-31
3.3
-31
-31
*
-0.2
*
-0.2
IC B/D
IC901
IC982
K
VOLUME
BOARD
NO1002
(Page 46)
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
• See page 54 for IC Block Diagrams.