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HCD-ZX80D/ZX100D
7-2. BLOCK DIAGRAM – MIC/EFFECTOR SECTION –
(Page 26)
(Page 23)
HCD-ZX80D/ZX100D
J1100
16 MC2P
MIC 1
DIGITAL ECHO
IC1100
15 MC1P
VOL2
VOL1
6
5
J1101
MIC 2
RV1102
RV1101
MIC 1 LEVEL
MIC 2 LEVEL
MUSIC L+R
E
LT, RT
C
MULTIPLEXER
MULTIPLEXER
IC1503
COM
3
13
D0
A
B
C
A
11
10
9
11
85
19
43
44
MIC AMP
POOUT
29
IC1101
VOL3
MCO
7
21
A+9V
RV1100
ECHO LEVEL
COMPARATOR
AC/DC
IC2002
CONVERTER
IC2000 (1/2)
COMPARATOR
AC/DC
IC2001
CONVERTER
IC2000 (2/2)
LT
DIGITAL
ECHO
IC1504
SWITCHING
SWITCHING
SWITCHING
Q1505
Q1504
Q1503
RT
DIGITAL
ECHO
IC1501
SWITCHING
SWITCHING
SWITCHING
Q1502
Q1501
Q1500
IC1502
COM
3
B
C
10
9
LEVEL SHIFT
LEVEL SHIFT
Q1509, 1510
Q1511, 1512
D1506
D1507
D1508
45
57
63
24
24
XVOICE
SCORE
SIGNAL SELECTOR
IC1506
1 0Y
Y COM
SWITCHING
MIXER
4 3Y
Q1508
IC1505 (2/2)
12 0X
X COM 13
SWITCHING
MIXER
11 3X
Q1506
IC1505 (1/2)
A
B
9
10
LEVEL SHIFT
Q1513, 1514
70
18
MASTER CONTROLLER
IC401 (2/6)
MIC
F
(Page 26)
XVOICE, SCORE
A
(Page 23)
DM_L
DM_L, DM_R
G
3
(Page 26)
DM_R
• SIGNAL PATH
: AUDIO
: MIC INPUT
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