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