HCD-GNX780/GNX880
51
51
HCD-GNX780/GNX880
7-25. SCHEMATIC DIAGRAM – CDG BOARD –
• See page 57 for IC Block Diagrams. • See page 54 for Waveforms.
C1021
R1020
X1002
C1018
C1019
R1017
C1015
C1003
R1016
R1013
C1007
R1029
C1022
R1011
C1023
R1005
C1004
C1013
C1025
C1024
R1030
C1010
L1001
C1008
CN1003
R1034
R1033
R1032
C1027
C1026
C1030
C1028
C1002
IC1003
IC1005
IC1002
C1001
C1011
R1003
R1004
R1021
R1022
R1023
L1002
R1019
R1018
IC1006
C1014
R1031
R1015
C1006
C1005
C1012
C1029
EP1001
IC1001
FB1001
Q1007
Q1008
Q1010
Q1001
Q1002
Q1006
Q1004
Q1005
Q1009
D1004
D1003
CN1001
R1012
R1006
J1001
0.001
C1037
220p
C1036
220p
C1038
220p
C1039
220p
10k
14.31818MHz
22p
22p
10k
0.01
0.01
10k
820
0.01
100
22p
2.2k
1
50V
2.2k
0.01
100
10V
0.01
100
10V
22k
100
10V
0
1 50V
2P
4.7k
4.7k
10k
220p
470
6.3V
22
50V
100
10V
0.01
TA7805LS
SN74AHCT04NSR
MSM514400E-60TS-K
0.01
0.01
4.7k
2.2k
220
220
220
0
10k
10k
NJM2575F1-TE2
0.01
75
0
0.01
0.01
47
35V
0.47
TC9411AFG
0
DTC114EKA-T146
+B SWITCH
2SB1116A-L
+B SWITCH
DTC114EKA-T146
BUFFER
DTC114EKA-T146
BUFFER
DTC114EKA-T146
BUFFER
DTA114EKA-T146
BUFFER
DTC114EKA-T146
BUFFER
DTC114EKA-T146
BUFFER
DTA114EKA-T146
BUFFER
1SS355TE-17
1SS355TE-17
13P
4.7k
4.7k
WFCK
SCOR
EXCK
CDG/_BGC
CDG-DET
_HALT-CLK
CDG-POWER
VMUTE
EXCK
WFCK
SCOR
MUTE_DATA
_CDG-RST
MUTE_DATA
_HALT-CLK
VMUTE
CDG-DET
_CDG-RST
CDG/_BGC
CDG-POWER
VIDEO D/A
DRAM
+5V REG
VIDEO BUFFER
BUFFER
R
(1/3)
N
MAIN
BOARD
CN560
(Page 37)
(3/3)
MAIN
BOARD
CN504
(Page 39)