Diagrams; Block Diagram -Main Section - Sony CDX-HR70MS Service Manual

5-1. BLOCK DIAGRAM — MAIN SECTION —
J451 (1/2)
L
BUS
AUDIO
IN
R R-CH
L
AUX IN
R R-CH
TU1
(TUNER UNIT)
J1
1 ANT L 4
(ANTENNA)
R 3
12C-SCL
SCL 13
12C-SDA
SDA 14
AU8V 10 VCC8.3V
TU+5V 11 VDD5V
+3.3V 15 E2PVDD
VSM
S-METER 6
TUATT
TUN_MUTE 7
EEPCKO
E2PSCL 16
EEPSIO
E2PSDA 17
HR70MS/
QUALITY
5
HR70MW
MUTE-CON 8
9
RDS_OUT
CNP350
11
15
21
22
24
26
16
5
CD
MECHANISM 7
UNIT
28
(MG-101FA)
6
27
25
9
18
19
8
1,2
CDX-HR70MS/HR70MW/HS70MS/HS70MW
SECTION 5

DIAGRAMS

R-CH
NS MASK
SWITCH
RDS RECIEIVER
Q1
IC50
SCL
9 XTI SCL 11
X50
SDA
SDA 12
8.664MHz
10 XTO
INTN 15
16
MPX
VDDA VDDD
1 7
RDS B+ SWITCH
+3.3V
Q50
AU_LCH
AU_RCH UNISO
R-CH
EJECT_OK
D511
UNISO
UNISI UNISI
UNICLK UNISCK
Z-MUTE
CD-ON
CDM-ON
LINK_OFF LINK_OFF SYSRST
SYS_RST
BUS_ON BUSON
BUIN D400
B/U_CHECK
A-ATT
D_3.3V
SERVO3.3V
A_3.3V
BU_3.3V
+3.3V
DR_6V
MECHA6V
S103
RESET
ELECTRONIC VOLUME
IC401
2 AL OUTSL 21
R-CH 1 AR OUTSR
22 R-CH
MUTE
Q430
9 DPL
R-CH 7 DPR
8 DN OUTFL 25
OUTRL 23
OUTFR 26 R-CH (FRONT)
OUTRR 24
R-CH (REAR)
MUTE
SOUT Q440
4 BL SOUT 19
CLK
R-CH 3 BR CLK 17
DATA
DATA 18
SCL
6 CL SCL 29
SDA
R-CH 5 CR SDA 30
MUTE DRIVE
Q491,492
28 MUTE
SYSTEM CONTROL
IC501 (1/2)
9 VOLATT
SCL
39 VSM I2C_CKO 33
SDA
12 TUATT I2C_SIO 34
SOUT
25 EEP_CKO SA_IN 44
CLK
24 EEP_SIO SA_CKO 45
DATA
SA_OUT 32
38 QUALITY
BEEP 5
53 TU_ATT IN
AMPSTB 26
DIAG 8
13 NSMASK
ILLUIN 75
TEL ATT 74
ACC_IN 72
56 DAVN
TEST IN 73
30 RDS ON
D493
ATT 86
89 EJECT_OK_SW
59 UNISO
58 UNISI
60 UNISCK
93 Z-MUTE
98 CD_ON
99 CDM_ON
88 SYSRST
77 RESET
DOOR_SW
87 BUSON
54 BUIN
RESET
IC602
1 VOUT VDD 2 +3.3V
17 17
CDX-HR70MS/HR70MW/HS70MS/HS70MW
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC300
12 IN-RR LF+ 5
11 IN-RF LF- 3
LR+ 9
MUTE
LR- 7
Q460
B-CH
D491
BATT
12C-SCL
4 SCL SW1 29
12C-SDA
2 SDA SW2 27
VP 35
BATT
REG2 37 U-COM (+5V)
REG1 AU8V
30
16 ACGND REG3 31 SERVO3.3V
22 STB REG4 33 MECHA6V
25 DIAG REG5 34 DISP+B (+9V)
ILL DETECT
Q703
TEL-ATT DETECT
Q701
ACC DETECT
Q702
D603
BUS INTERFACE
IC601
SYSRST BATTERY CHECK
13 RST BATT 3
Q605
BUSON
12 BUSON
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
A DISPLAY
SECTION
+5V REG.
(Page 18)
TU+5V AU8V
Q3
J451 (2/2)
L
FRONT
R
R-CH
AUDIO OUT
L
REAR
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
14
ILL
13
TEL-ATT
7
ACC
15
TEST
BATT
8
CNJ400
6 3 (BUS CONTROL IN)
5 2
4 1
7
TH400
BATT
U-COM (+5V)
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: TUNER
: AUX
: BUS AUDIO