Table of Contents
Advertisement
5-19. SCHEMATIC DIAGRAM - MIC, HP, USB Section -
1
2
MIC BOARD
CN781
A
5P
CL781
A-GND
1
CL782
MAIN
MIC_SCORE
2
BOARD
H
CL783
MIC_SIGNAL
3
(2/3)
CL784
MIC+9V
4
CN101
CL785
(Page 50)
MIC_DET
5
B
C
D
NO791
4P
CL791
HP-L
1
CL792
AMP
R
HP-GND
2
BOARD
CL793
E
HP-R
3
CN407
CL794
(Page 64)
HP_SW
4
CL786
F
NO796
4P
CL790
VBUS
4
DMB19
CL789
D-
3
BOARD
E
CL788
(1/4)
2
D+
CL787
CN1105
GND
1
(Page 44)
G
HCD-PZ1D
• See page 68 for IC Block Diagrams.
3
4
C790
R891
100p
330
R787
10k
R785
C891
22k
R789
2.2
R784
39k
C789
50V
22k
R788
0.033
2SC4154TP-1EF
22k
5.2
BUFFER
1.2
16
15
14
13
12
11
10
9
IC B/D
IC781
R892
150
IC781
BU9253FS-E2
MIC ECHO AMP
1
2
3
4
5
6
7
8
RV795
50k
C878
C784
10
R875
C782
R799
0.47
50V
1k
22
2.2k
35V
R792
R791
47
47
C791
1000p
C792
R794
R793
1000p
47
47
EP795
(CHASSIS)
C795
220
10V
D797
MC2840-T112-1
C796
0.1
D796
MAZ8068G0LS0
D795
MAZ8068G0LS0
VBUS
CN798
R796
0
4P
D–
R795
0
D+
GND
(USB)
5
6
R894
R881
220k
10k
Q891
C892
2.2
R896
50V
100k
1.8
R893
4.7k
R895
R897
220k
10k
C890
0.22
50V
(CHASSIS)
53
53
7
8
9
ET899
(CHASSIS)
C899
0.1
C882
C881
R877
R876
2.2
100p
15k
100k
50V
C879
680p
R878
C880
150k
220p
8
7
6
5
IC871
IC871
NJM4558V-TE2
MIC AMP
1
2
3
4
R873
100k
C876
1000p
C872
R871
220p
1k
C873
10
50V
C887
R883
0.01
10k
R872
C874
R874
C877
FB884
68k
1k
470p
10
50V
C870
0.1
C793
0.1
USB-LED BOARD
(USB)
C721
0.01
CL721
R721
R722
R723
LED+9V
470
470
820
CL722
LED+9V
CL723
USB BLUE LED
CL724
USB RED LED
HCD-PZ1D
10
E
(CHASSIS)
NO799
5P
1
LED GND
2
LED GND
FRONT
Q
BOARD
3
LED+9V
CN803
4
USB BLUE LED
(Page 57)
5
USB RED LED
CL799
USB RED LED
CL798
USB BLUE LED
CL797
LED+9V
CL796
LED+9V
FB885
J871
MIC
ET870
(CHASSIS)
(CHASSIS)
J791
i
R724
820
Advertisement
Table of Contents
