Sony CDX-C8850R, Service Manual

Page: 39 / 86

39 39
MUTE
DRIVE
Q751
TIR PLAY
SW
Q754
WIDE/NARROW
SELECT
Q131,132
S-METER
Q133
ILL CHECK
Q431
X500
3.58MHz
X501
32.768kHz
X151
10.25MHz
04
Signal path
: FM
: MW
: 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
23 FM DET
5 VT
6 VCO
15 RDS
11 AMIF
21 FMIF
2 FM ANT
1 AM ANT
FM8V
(ANTENNA)
TUNER UNIT
TU101
15 FMIF
14
16
AMIF
SSTOP
12 SCL
10 OSCO
9
OSCI
24 FM IN
25 AM IN
28 LPOUT
13 SDA 5 LO/DX
16 MPX
PLL
IC151
5 BUSY
1–4 D0–D3
11 CE1
35 PDOWN
53 RESET
54
WR
55
RD
56 CE2
48 XT
44 DI/O
39 SADX
36 SAS
37 TAS
40 CS1
46 WE
47 XT
18 AOUT 26 LIN
TIR CONTROL
IC951
23
29 ST/MONO
SD IN
31
32 NARROW
46 VSM
92 XO
93 X1
70 SDA
71 SCL
85
61
52 QUALITY
116 NS MASK
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
15 BEEP
73 X1A
74 X0A
84 TUON
83 TELMUTE
114 FM ON
110 CSV REQ
111 CSV CE
79 DSP REDY
17 DSP SI
40 ASEL1
37 ASEL0
118 AFMUTE
117 SEEK
69
10
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
AM/TIR
SELECTOR
IC752
CD ON
CNP601
BUS AUDIO IN
-5
L
-6
R
2
1
6
7
IC351
Q631
IC601 IC603
Q601
ACC CHECK
Q441
ACC IN
3 TIR BUSY
TIR D0-D3
106 TIR CE0
4 TIR PDOWN
5 TIR RST
104 TIR WR
103 TIR RD
105 TIR CE1
69 RDS DAVN
53 MPT
ILL IN
TIR PLAY
D431
AMP MUTE
Q471
REG
Q841
REG
IC402
REG
IC403
POWER
CONTROL
Q461,462
MUTE
DRIVE
Q472-474
CSV MIX
IC691
CSV PLAY
SW
Q691
D491
D441
BZ500
DSPXLAT
ROMCONT
LAT
28 DSP RST
9 DSP STP
30 DSP XMST
55 VOL LOAD
11
CSV PLAY
112 CSV RST
IC352
LINE OUT
FRONT
FRONT
REAR
REAR
-1
L
-3
L
-2
R
-4
R
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
-2
R
-1
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
BUZZER
DRIVE
Q504
AM POWER
CONTROL
Q180,181
TU8V AM8V
REG
Q185
TU8V TU5V
FM POWER
CONTROL
Q182,183
TU8V AM8V
9 8 3 1
IC351
MIC AMP
IC841
12 11
AMP
IC131
BUFFER
Q130
2 7
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
POWER
CONTROL
Q901
TU5V RDS5V
R-CH
99–102
X951
4.19MHz
8 DIN
12 DOUT
17 SAD
16 SAS
15 TAS
14 CS
13 WE
MEMORY
IC951
8 DAVN
2 MPTH 5 OSCI
4 OSCO
10 SCL
9 SDA
20 LVIN
16 MPX
RDS DEMODULATOR
IC901
X904
4.332MHz
Q134
RV131
FM RDS
S-METER
CD
SECTION
CD
SECTION
4-4. BLOCK DIAGRAM — TUNER SECTION —
CDX-C8850R
(Page 37)
(Page 37)