Diagrams; Block Diagram -Main Section - Sony CDX-M30 Service Manual

5-1. BLOCK DIAGRAM — MAIN SECTION —
J451 (1/2)
-1
L
BUS
AUDIO
IN -2 R-CH
R
R-CH
J901
AUX
TU1
TUNER UNIT
J1
1 ANT L 4
(ANTENNA)
R 3
SCL 13
SDA 14
AU8V 10 VCC8.3V
TU+5V 11 VDD5V
+3.3V 15 E2PVDD
S-METER 6
TUN_MUTE 7
E2PSCL 16
E2PSDA 17
QUALITY 5
CN350
11
AU_LCH
15 AU_RCH
21
EJECT_OK
22
UNISO
24
UNISI
26
UNICLK
16
Z-MUTE
5
CD CD-ON
MECHANISM 7
CDM-ON
UNIT
28
LINK_OFF
(MG-101FC)
6
SYS_RST
27 BUS_ON
25
B/U_CHECK
9
A-ATT
18
D_3.3V
19 A_3.3V
8 BU_3.3V
1,2
DR_6V
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD
: FM
: AM
: AUX
: AUDIO
CDX-M30
SECTION 5

DIAGRAMS

ELECTRONIC VOLUME
2 A2
R-CH 1 A1
9 DP2
R-CH 7 DP1
8 DN
4 B2
R-CH R-CH 3 B1
6 C2
R-CH 5 C1
12C-SCL
12C-SDA
SYSTEM CONTROL
IC501 (1/2)
VSM
39 VSM
TUATT
12 TU ATT
EEPCKO
25 EEP_CKO
EEPSIO
24 EEP_SIO
38 QUALITY
89 EJECT_OK_SW
UNISO
R-CH
D511
59 UNISO
UNISI
58 UNISI
UNISCK
60 UNISCK
93 Z-MUTE
98 CD_ON
99 CDM_ON
LINK_OFF SYSRST
88 SYSRST
77 RESET
BUSON
87 BUSON
BUIN D400
54 BUIN
SERVO3.3V
RESET
IC602
+3.3V
MECHA6V 1 VOUT
S103
RESET
IC401
OUTS2 21
OUTS1 22
R-CH (REAR/SUB)
MUTE
Q430
OUTF2 25
OUTR2 23
OUTF1 26 R-CH (FRONT)
OUTR1 24 R-CH (REAR)
MUTE MUTE
MUTE
MUTE 28 Q440 Q470
SA_IN
SOUT
19
SA_CLK
CLK 17
SA_DATA
DATA 18
R-CH
SCL
SCL
29
SDA
D491
SDA 30
MUTE DRIVE
BATT
Q491,492
12C-SCL
12C-SDA
SCL
I2C_CKO 33
SDA
I2C_SIO 34
SA_IN
SA_IN 44
SA_CLK
SA_CLO 45
SA_DATA
SA_DATA 32
MUTE
VOLATT 9
BEEP 5
AMPSTB 26
DIAG 8
ACC_IN 72
TELATT 74
ILLUIN 75
BUS INTERFACE
IC601
OPEN-MUTE
100
SYSRST
D493
13 RST
BUSON
ATT 86 12 BUSIN
UNISCK
11 CLK-IN
BUIN
10 B/U-C
UNISI
8 DATA OUT
UNISO
9 DATA IN
VDD +3.3V
2
LINK_OFF
DOOR_SW
DISPLAY
A
SECTION
D494
(Page 18)
17 17
J451 (2/2)
R-CH
R-CH
POWER AMP, MULTI
VOLTAGE REGULATOR
IC300 CN300
12 IN-RR
1
LF+ 5
11 IN-RF
9
LF- 3
2
LR+ 9
10
LR- 7
4
12
R-CH 3
11
4 SCL
5
2 SDA
SW1
29
6
SW2 27
FU601
16
VP 35
BATT
REG2 37 U-COM (+5V)
REG1 30 AU8V
16 ACGND REG3 31 SERVO3.3V
22 STB REG4 33 MECHA6V
25 DIAG REG5 34 DISP+B (+9V)
7
ACC DETECT
Q702
TEL–ATT
13
DETECT
Q701
14
ILL DETECT
Q703
D603
BATT
BATTERY CHECK
BATT 3
Q605
8
D602
6
DATA I/O 6 5
CLK
4 4
RST 2 7
LINK ON/OFF CONTROL
BUS ON 1
Q600,601
TH400
+3.3V REG
IC502
+3.3V 3 VOUT VIN 2 U-COM (+5V)
+5V REG
TU+5V AU8V
Q3
CDX-M30
-5
L
FRONT AUDIO OUT
-6
R
-3
L
REAR/SUB AUDIO OUT
-4
R
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
AMP-R
ANT-R
+B
ACC
TEL–ATT
ILL
CNJ400
3
(BUS CONTROL IN)
2
1
BATT