Block Diagram - Mic/Effector Section - Sony HCD-ZX80D Service Manual

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