Block Diagram -Main Section - Sony CDX-GT570 Service Manual

5-1. BLOCK DIAGRAM — MAIN SECTION —
J451 (1/2)
-1
L
BUS
AUDIO
IN
-2
R
J901
AUX
TU1
TUNER UNIT
J1
1 ANT L 4
(ANTENNA)
R 3
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-101TC)
• R-CH is omitted due to same as L-CH.
• Signal Path
CDX-GT527EE/GT570/GT570S
R-CH
R-CH
R-CH
12C-SCL
12C-SDA
VSM
TUATT
EEPCKO
EEPSIO
+3.3V NS
MASK
Q1
B+ SWITCH
Q50
16 MPX 15
INTN
SCL
10 XTO
X50 SCL 11
SDA
8.664MHz
SDA 12
9 XTI
GT527EE
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
S103
RESET
: CD
: FM
: MW
: AUX
: AUDIO
ELECTRONIC VOLUME
IC401
2 A2
R-CH 1 A1
9 DP2 OUTS2
21
R-CH 7 DP1
OUTS1 22 R-CH (REAR)
8 DN
GT527EE MUTE
Q430
OUTF2 25
4 B2 OUTR2 23
R-CH 3 B1 OUTF1
26 R-CH (FRONT)
OUTR1 24 R-CH (REAR)
6 C2
MUTE
R-CH 5 C1 MUTE 28
SA_IN
GT570/GT570S
SOUT 19
SA_CLK
CLK 17
SA_DATA
DATA
18
SCL
MUTE DRIVE
SCL 29
SDA
Q491,492
SDA 30
SYSTEM CONTROL
IC501 (1/2)
39 VSM
12 TU ATT
SCL
I2C_CKO 33
SDA
25 EEP_CKO I2C_SIO 34
24 EEP_SIO
SA_IN
SA_IN 44
SA_CLK
38 QUALITY SA_CLO 45
SA_DATA
SA_DATA
32
MUTE
VOLATT 9
13 NSMASK
30 RDSON
56 DAVN
BEEP 5
AMPSTB 26
DIAG
8
53 TU_ATTIN
ACC_IN 72
89 EJECT_OK_SW
D511
59 UNISO
TELATT 74
58 UNISI
60 UNISCK
93 Z-MUTE
98 CD_ON
99 CDM_ON
88 SYSRST
77 RESET OPEN-MUTE 100
D493
87 BUSON
54 BUIN ATT 86
RESET
IC602
1 VOUT VDD 2 +3.3V
DOOR_SW
D494
21 21
GT527EE
GT570/GT570S
POWER AMP, MULTI
VOLTAGE REGULATOR
IC300
12 IN-RR
LF+ 5
11 IN-RF
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
BATT
REG2 37 U-COM (+5V)
REG1 30 AU8V
16 ACGND REG3 31 SERVO3.3V
22 STB REG4 33 MECHA6V
25 DIAG REG5 DISP+B (+9V)
34
ACC DETECT
Q702
TEL–ATT
DETECT
Q701
D603
BUS INTERFACE
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-GT527EE/GT570/GT570S
GT570/GT570S
-1
L
SUB OUT
(MONO)
-2
R
J451 (2/2)
-5
L
FRONT AUDIO OUT
-6
R-CH
R
GT570/GT570S
-3
L
REAR AUDIO OUT
-4
R-CH
R
REAR/SUB AUDIO OUT
CN300
GT527EE
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
7
ACC
GT527EE
13
TEL–ATT
BATT
8
CNJ400
6 3
(BUS CONTROL IN)
5 2
4 1
7
TH400
BATT
U-COM (+5V)
AU8V