Table of Contents
Advertisement
MDX-C7970/C7970R
4-3.
BLOCK DIAGRAM – MAIN Section –
DADT,
BCK,
LRCK,
FS256
(Page 24)
A
RESET,
EMPHASIS
(Page 24)
B
FM
(Page 26)
E
AM
F
(Page 26)
DATA, CLOCK
(Page 26)
G
LOCK
(Page 24)
C
MD-ATT
(Page 24)
D
05
CNP300 (1/2)
BUS
AUDIO IN
DADT
DATA
5
BCK
BCK
INPUT
DIGITAL
NOISE
6
D/A
INTERFACE
FILTER
SHAPER
LRCK
LRCK
4
CONVERTER
FS256
XTI
CLK
MODE
1
CONTROL
CONTROL
DIGITAL FILTER,
RESET
RSTB
D/A CONVERTER
15
IC101
17 16
EMPHASIS
MASTER CONTROLLER
IC700 (2/4)
AF ATT
AMP ATT
58
LOCK IN
AMP ON
TESTIN
TEL-ATT
AU ATT
– 27 –
(L)
INPUT SELECT,
ELECTRICAL VOLUME
(R)
R-CH
IC300
LOUDNESS
VOLUME
PDL
11
CONTROL
CONTROL
VOUTL
SE2L
CIRCUIT
CIRCUIT
12
12
SE1L
1
LOUDNESS
SE3L
VOUTR
28
CONTROL
9
R-CH
CIRCUIT
DIGITAL CONTROL
CIRCUIT
R-CH
DATA
CLOCK
SDA
70
SCL
71
61
55
56
32
80
D700
Q702 (1/2)
60
D703
COM +8V
TONE
SOFT
OUT FL
CONTROL
FADER
22
MUTE
CIRCUIT
OUT RL
FADER
20
R-CH
IIC BUS
R-CH
25 24
26
POWER AMP
12
FL-IN
MUTING
Q302
R-CH
14
FR-IN
MUTING
Q403
11
RL-IN
MUTING
Q303
R-CH
15
RR-IN
MUTING
Q402
D701
LEVEL SHIFT
Q500
MUTING
CONTROL SWITCH
Q702 (2/2)
BATTERY OFF
MUTE DRIVER
Q704
MUTING
CONTROL SWITCH
BATT B+
Q703
– 28 –
• SIGNAL PATH
: MD PLAY
: FM
: AM (MW/LW)
: BUS AUDIO IN
CNP300 (2/2)
(L)
MUTING
FRONT
Q301
LINE OUT
(R)
MUTING
Q401
(L)
MUTING
REAR
Q300
LINE OUT
(R)
MUTING
Q400
CNP500 (1/2)
(POWER CONNECTOR)
IC500
1
FL+
5
FRONT L (+)
9
FL–
3
FRONT L (–)
4
FR+
21
FRONT R (+)
12
FR–
23
FRONT R (–)
2
9
RL+
REAR L (+)
10
RL–
7
REAR L (–)
3
RR+
17
REAR R (+)
11
RR–
19
REAR R (–)
15
TEST MODE
22
4
TEL-ATT
13
AMP ON
H
(Page 31)
D511
STB
I
(Page 32)
MUTE
J
(Page 31)
Advertisement
Table of Contents
