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37
4-4. BLOCK DIAGRAM — TUNER SECTION —
CDX-C8850/C9500
MUTE
DRIVE
Q751
WIDE/NARROW
SELECT
Q131,132
S-METER
Q133
ILL CHECK
Q431
X500
3.68MHz
X501
32.768KHz
X151
10.25MHz
04
Signal path
: FM
: AM
: CD
: MIC
R-CH
9
10 AM+B
+B
8
16
FM+B
FM R-CH
18
FM L-CH
12
AM DET
13
SEEK
20
SD
22
ST/MONO
24
FORCED
19
S-METER
4
LO/DX
5
VT
6
VCO
11
AMIF
21
FMIF
2 FM ANT
1 AM ANT
FM8V
(ANTENNA)
TUNER UNIT
TU101
15 FMIF
TU8V
TU8V
TU8V
TU5V
AM8V
FM8V
14
16
AMIF
SSTOP
12
SCL
10
OSCO
9
OSCI
24 FM IN
25 AM IN
28 LPOUT
13
SDA
5 LO/DX
PLL
IC151
23
29 ST/MONO
SD IN
31
32 NARROW
46 VSM
92 XO
93 X1
70 SDA
71 SCL
85
61
15 BEEP
114 FMON
73 X1A
74 X0A
50 DSTSELO
120 SSTOP
WIDE
18
DSP SO
59
81
EMPH
19
DSP CK
58
VOL CLK
56
VOL DATA L
57
VOL DATA R
98
AMP STBY
25
CSV SI
26
CSV SO
27
CSV VCK
62
POW ON
16
CSV ON
36
MUTE
96
DSPON
84
TUON
83
TELMUTE
110
CSV REQ
111
CSV CE
79
DSP REDY
17
DSP SI
40 ASEL1
37 ASEL0
118 AFMUTE
117 SEEK
69 CD/MD ON
SYSTEM CONTROL
IC500 (1/2)
20
18
16
14
8 9
AUDIO SELECTOR
IC771
TU8V
ILL
ACC
AM8V
R-CH
Q752
Q753
IC752
CD ON
CNP601
BUS AUDIO IN
-5 L
-6 R
IC351
Q631
IC601
IC603
Q601
ACC CHECK
Q441
BUZZER
DRIVE
Q504
REG
Q185
AM POWER
CONTROL
Q180,181
FM POWER
CONTROL
Q182,183
ACC IN
ILL IN
D431
AMP MUTE
Q471
REG
Q841
REG
IC402
REG
IC803
POWER
CONTROL
Q461,462
MUTE
DRIVE
Q472-474
D491
D441
BZ500
SW501
(FREQUENCY SELECT)
FM50K
AM 9K
FM200K
AM 10K
C9500
DSPXLAT
ROMCONT
LAT
28
DSP RST
9
DSP STP
30
DSP XMST
55
VOL LOAD
112
CSV RST
IC352
LINE OUT
-1
-3
-2
-4
12
11
7
9
4
STBY
22
MUTE
3
5
1
9
2
10
14
7
16
6
5
13
ACC
ILL
TEL MUTE
F901
BATT
R-CH
RR
FR
RL
FL
R
L
SUB OUT
R-CH
R-CH
R-CH
POWER AMP
IC481
7
2
12
13
LINE AMP
IC604
CNP401
FL+
FL-
RL+
RL-
ILL
ACC
ATT
BATT
ANT REM
AMP REM
ANT REM
AMP REM
CNP601
INFL
INRL
OUTFL
OUTRL
2
4
20
6
ELECTRONIC
VOLUME (Lch)
IC602
IN1
IN2
OUT1
OUT2
58
63 62
RST
57
CKSTP
82
XMST
77
L/S
10
35
43
29
DSP
IC300
71 S1I
LIN
BFOT
RVDT
61
TRDT
60
REDY
59
SCK
11
DIN
9
CLK
2
18
20
16
ELECTRONIC
VOLUME (Rch)
IC632
IN3
4 IN1
IN2
OUT3
OUT2
6
OUT1
L/S
10 11
DIN
9
CLK
36
50
48
CSV CONTROL
IC801
AN1
XO1
XI1
35 REQ
DI
38
37 CE
DO
21
39 CLK
RST
DAC
57-64
D0-D7
1-8,11-18
A0-A15
20 26
19
XTLO
RL
27
41
XTLI
40
BCK
75
LRCK
76
FL
SUB OUT
9V
10V
10V
CSV5V
(A)
9V
TU8V
BATT
POWER
CONTROL
Q402,463
REG
IC404
REG
IC401,Q401
VDD5V
D3.3V
A3.3V
9
8
3
1
IC351
MIC AMP
IC841
12
11
2
4
1
2
3
5
6
BCK
LRCK
DATA
MCK
EMPH
X300
16.9344MHz
5
7
3
1
5
7
IC663
5
7
IC661
5
7
IC843
1
3
FR
RR
FR
RR
R-CH
CNJ252
(MIC IN)
Q451
POWER
CONTROL
Q801,802
VOICE
MEMORY
IC805
CSV PROGRAM
ROM
IC803
SELECTOR
IC804
ADDRESS
DECODER
IC802
BU5V
CSV5V(D)
X801
14.318MHz
1
3
CD
SECTION
CD
SECTION
(Page 35)
(Page 35)
Содержание CDX-C8850 - Fm/am Compact Disc Player
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