Block Diagram -Main Section - Sony CDX-M50IP Service Manual

5-1. BLOCK DIAGRAM — MAIN SECTION —
CN803
IPOD-AUD-L 1
IPOD
IPOD-AUD-R 3 R-CH
CONNECTOR
IPOD-AUD-GND 2
J451 (1/2)
-1
L
BUS
AUDIO
IN
-2 R-CH
R
J901
AUX
TU1
TUNER UNIT
L 4
J1
1 ANT R 3
(ANTENNA)
SCL 13
SDA 14
AU8V 10 VCC8.3V
S-METER 6
TU+5V 11 VDD5V
TUN_MUTE 7
+3.3V 15 E2PVDD
E2PSCL 16
E2PSDA 17
QUALITY 5
RDS OUT
9
MUTE_CON 8
CD
MECHANISM
UNIT
(MG-101FC)
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD
: FM
: AM or MW
: AUX
: AUDIO
: iPod
CDX-M50IP/MR50IP
IPOD/AUX SELECT SWITCH
IC402
13
R-CH
14
12
1
15 5 7
2
IPOD/AUX GND FILTER
9 10 11 IC403
R-CH
IPOD/AUX
SELECT CONTROL
Q401
12C-SCL
12C-SDA
VSM
TUATT
EEPCKO
EEPSIO
+3.3V NS
MASK
Q1
B+ SWITCH
Q50
16 MPX
INTN 15
SCL
10 XTO
X50 SCL 11
SDA
8.664MHz
SDA 12
9 XTI
MR50IP
RDS RECEIVER
IC50
CN350
11
AU_LCH
15
AU_RCH UNISO
R-CH
21 EJECT_OK
22
UNISO
24
UNISI UNISI
26
UNICLK UNISCK
16
Z-MUTE
5
CD-ON
7
CDM-ON
28 LINK_OFF SYSRST
LINK_OFF
6
SYS_RST
27
BUS_ON BUSON
D400
25 B/U_CHECK BUIN
9
A-ATT
18
D_3.3V
SERVO3.3V
19
A_3.3V
8
BU_3.3V
+3.3V
1,2 DR_6V
MECHA6V
S101
RESET
BUIN
UNISCK
DISPLAY
C
UNISI
SECTION
D800
UNISO
(Page 22)
IPOD-SYSRST
ELECTRONIC VOLUME
IC401
2 A2
R-CH 1 A1
OUTS2 21
OUTS1 22 R-CH (REAR)
MUTE
Q430
9 DP2
R-CH 7 DP1
8 DN OUTF2 25
OUTR2 23
OUTF1
26 R-CH (FRONT)
OUTR1 24 R-CH
MUTE
MUTE 28
4 B2
SA_IN
SOUT 19
R-CH 3 B1 SA_CLK
CLK 17
SA_DATA
6 C2
DATA 18
R-CH 5 C1
SCL
SCL 29
SDA
SDA 30
MUTE DRIVE
Q491,492
SYSTEM CONTROL
IC501 (1/2)
39 VSM
FUNC_SEL 55
12 TU ATT
SCL
I2C_CKO 33
SDA
25 EEP_CKO I2C_SIO 34
D495
24 EEP_SIO
CONTROL
SA_IN
SA_IN 46
SA_CLK
38 QUALITY SA_CKO
10
SA_DATA
SA_DATA 9
MUTE
VOLATT 14
13 NSMASK
26 RDSON
56 DAVN
BEEP 5
AMPSTB
6
DIAG 7
53 TU_ATTIN
ACC_IN 99
89 EJECT_OK_SW
D511
TELATT 98
59 UNISO
58 UNISI
60 UNISCK
ILL_IN
97
61 Z-MUTE
91 CD_ON
92 CDM_ON
88 SYSRST
77 RESET OPEN-MUTE 76
D493
95 BUSON
ATT 100
54 BUIN
RESET
IC602
1 VOUT VDD 2 +3.3V
D494
DOOR_SW
21 21
POWER AMP, MULTI
VOLTAGE REGULATOR
IC300
12 IN-RR
11 IN-RF
LF+ 5
LF- 3
MUTE MUTE
Q440 Q470
LR+ 9
LR- 7
R-CH
D491
BATT
12C-SCL
4 SCL
12C-SDA
2 SDA
SW1 29
SW2
27
VP 35
MUTE
DISPLAY
B
IPOD-ATT
SWITCH SECTION
Q496 (Page 22)
REG2 37
REG1 30 AU8V
16 ACGND REG3 31 SERVO3.3V
22 STB REG4 MECHA6V
33
25 DIAG REG5 34 DISP+B (+9V)
ACC DETECT
Q702
TEL–ATT
DETECT
Q701
ILL DETECT
Q703
BUS INTERFACE D603
IC601
SYSRST
BATTERY CHECK
13 RST BATT 3
Q605
BUSON
12 BUSIN D602
UNISCK
11 CLK-IN
BUIN
10 B/U-C DATA I/O 6
UNISI
8 DATA OUT CLK 4
UNISO
9 DATA IN RST
2
LINK ON/OFF CONTROL
BUS ON 1
Q600,601
LINK_OFF +3.3V REG
IC502
+3.3V 3 VOUT VIN 2
DISPLAY
A
SECTION
+5V REG
(Page 22)
TU+5V
Q3
CDX-M50IP/MR50IP
J451 (2/2)
-5
L
FRONT AUDIO OUT
-6
R-CH
R
-3
L
REAR/SUB AUDIO OUT
-4
R-CH
R
CN300
1
FL+
9
FL-
2
RL+
10
RL-
4
FR+
12
FR-
R-CH 3
RR+
11
RR-
5
AMP-R
6
ANT-R
FU601
16
+B
BATT
U-COM (+5V)
7
ACC
13
TEL–ATT
14
ILL
BATT
8
CNJ400
6 3
(BUS CONTROL IN)
5 2
4 1
7
TH400
BATT
U-COM (+5V)
AU8V