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HCD-GNX780/GNX880
41
41
HCD-GNX780/GNX880
7-15. SCHEMATIC DIAGRAM – PANEL BOARD –
• See page 54 for IC Block Diagrams.
• See page 54 for Waveforms.
• See page 63 for IC Pin Function Description.
I /
I /
I /
DISPLAY CONTROL,
KEY CONTROL
R957
R1098
R997
R1136
R1141
R1171
R1143
R1142
R1135
R1112
R1179
R923
R926
R925
R924
C957
C949
C942
C951
C953
C955
R953
R952
R950
R949
R947
C
948
C946
C959
C958
C956
C954
C952
C950
C947
C945
R984
R983
R954
R951
C905
R902
C909
C901
C902
C1180
C906
C916
C908
R912
R903
R904
C910
R
1021
R1022
R
1023
R1024
R1025
R1026
R1027
R1028
R905
R906
R907
R
909
R1187
C961
C940
C941
R956
S907
S908
S909
S910
S911
S912
S913
R1007
R1008
R1009
R1010
R1011
R1012
R1013
C922
C923
C924
C925
FB901
D931
D932
R942
R941
R943
C900
C904
R901
R900
C903
JR914
C974
R974
R975
R917
R916
R990
R991
R915
R914
R987
R988
R910
R911
R981
R980
R982
S921
S922
S923
S924
S925
S927
R968
R967
R966
R964
CN900
R944
CN902
R1181
R908
R919
R918
R920
FL901
C943
CLP912
R922
JW904
JW1105
D901
R1180
R1178
D927
D908
D909
D910
D916
D917
D1145
D1153
D911
D913
D929
D930
D914
C977
C978
C979
C980
C926
C927
C928
C929
C930
C931
C932
C933
C934
C935
C936
C937
C938
C939
C981
C982
C983
C972
C973
C975
IC904
D905
NO904
Q917
Q903
Q902
Q901
Q914
Q904
Q905
Q906
Q907
Q908
Q909
Q910
Q919
Q918
C967
JW903
D915
D928
C920
C962 C964
IC902
X901
R979
IC903
R965
R948
680
680
680
680
680
680
680
680
680
680
680
680
680
680
680
1
1
10
50V
1
1
1
1k
1k
1k
1k
1k
470p
470p
0.047
0.047
0.022
0.022
0.0047
0.0047
1
1
33k
56k
10k
5.6k
0.1
10k
220p
220p
220p
220p
220p
0.1
220p
100
100
100
0.1
100
100
100
100
100
100
100
100
15k
15k
15k
4.7k
10k
0.1
0.1
10
50V
2.7k
3.3k
4.7k
6.8k
10k
15k
22k
33k
470
6.3V
470
6.3V
470
6.3V
0.01
0
1SS355WTE-17
1SS355WTE-17
100
100
10k
4.7
50V
0.1
10k
10k
0.1
0
0.01
680
JR925
0
680
680
680
680
680
680
680
680
680
680
680
JR918
0
JR919
0
1k
1k
470
22k
15k
10k
4.7k
C917
0.1
17P
47
17P
270
100
100k
100k
100k
10
50V
1M
1SS355WTE-17
82
22
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
SEL5223S-TP15
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
470p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p 100p
NJM2760V-TE2
UDZSTE-176.8B
2P
DTC123JKA
LED DRIVE
DTA123JKA
LED DRIVE
DTC143TKA
BUFFER
DTC143TKA
BUFFER
DTC143TKA
BUFFER
2SB1132
SWITCH
2SB1132
SWITCH
DTC123JKA
BUFFER
DTC123JKA
BUFFER
DTC123JKA
LED DRIVE
DTC123JKA
LED DRIVE
DTC123JKA
LED DRIVE
DTC123JKA
LED DRIVE
DTC123JKA
LED DRIVE
10 50V
SELU5420E-STP15
SELU5420E-STP15
0.1
0.001
47
10V
MB90M407PF-G-148E1
4MHz
47
RPM7240-H9
6.8k
0.5%
6.8k
0.5%
1
2
3
4
5
6
7
8
9
12
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
10
31
32
33
34
35
36
37
38
39
40
41
43
44
45
46
47
85
86
87
88
89
90
91
93
94
96
97
98
99
100
95
92
64
65
66
67
68
70
71
72
77
78
80
79
76
69
61
60
59
58
57
56
55
54
53
52
51
79
77
61
60
52
53
54
95
94
93
86
87
88
89
90
91
85
92
97
100
1
2
3
4
5
6
7
8
99
98
9
10
12
13
14
15
16
17
18
19
22
20
24
21
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
47
46
45
44
43
80
49
74
73
55
96
67
70
68
69
71
56
57
58
59
72
74
64
65
76
78
66
FLUORESCENT
INDICATOR
TUBE
REMOTE
CONTROL
RECEIVER
BOARD
CD-SW
(Page 43)
NO1151
BOARD
MAIN
(2/3)
(Page 38)
CN508
BOARD
FUNCTION
(Page 43)
CN901
Ver. 1.1