Block Diagram -Main Section - Sony CDX-R5515X Service Manual

CDX-R5515X/R5610/R6550
3-2. BLOCK DIAGRAM — MAIN SECTION —
J1
(ANTENNA)
CDX-R5515X/R5610/R6550
CD
A
SECTION
(Page 21)
J451 (3/3)
L
BUS AUDIO
IN/AUX
TU1
R
(TUNER UNIT)
1 ANT L-CH 4
R-CH 3
VCC 10 AUDIO+8.3V
VDD5V 11
TU+5V
BU+3.3V
E2P VDD 15
SCL
TU-SCL 13
SDA
14
TU-SDA
S-METER 6
TUN MUTE 7
E2P SCL 16
E2P SDA 17
MUTE CONDITION 8
QUALITY 5
NS MASK
CONTROL
RDS DECODER
IC50
9 XTI SCL
X50
SDA
8.664MHz
10 XTO
INTN
RDS 9 16 MPX
VDDA VDDD
1 7
RDS POWER
R6550 ONLY
CD
B ATT
SECTION
(Page 21)
ELECTRONIC VOLUME
IC401
CD-L 9 SE1L
OUT LR2 16
R-CH 10 SE1R
OUT RR2 28 R-CH
11 DIFFL
13 DIFFR
7 SE2L
OUT LF 20
8 SE2R
OUT LR1 19
OUT RF 17 R-CH (FRONT)
OUT RR1 R-CH (REAR)
18
MUTE 21
26 SA OUT
SCL
SCL 22
25 SA IN
SDA
SDA 23
MUTE DRIVE
Q491,492
SYSTEM CONTROL
IC501 (2/3)
45 SA CKO
SCL
I2C CKO 33
44 SA IN SDA
I2C SIO
34
39 VSM
VOL ATT 9
12 TU ATT
ATT 86
25 EEP CKO
BEEP 5
24 EEP SIO
AMP STB 26
53 TU ATT IN DIAG 8
38 QUALITY
13 NS MASK
Q1
TEL ATT 74
SCL
11
SDA ACC IN 72
12
TEST IN 73
15 56 DAVN
ILL
30 RDS ON
ILLUMI 75
Q703
• R-CH is omitted due to same as L-CH.
CONTROL BU+3.3V
• Signal Path
Q50
22 22
J451 (1/3)
L
FRONT
AUDIO OUT
R-CH R
J451 (2/3)
L
REAR
AUDIO OUT
R-CH R
POWER AMP,
POWER SUPPLY
MUTE
IC300
Q430
12 IN FL OUT FL+ 5
OUT FL-
3
11 IN RL
OUT RL+
9
MUTE MUTE
Q440 Q470 OUT RL- 7
D491
BATT
AMP-REM 29
ANT-REM 27
SDA
2 SDA
BATT
SCL
D493 4 SCL
AUDIO+B 30 AUDIO+8.3V
B.UP+B 37
BU+5V
16 BEEP
SERVO3.3V
31 SERVO+3.3V
22 STB
MECHA6V 33 MECHA+6V
25 DIAG
PANEL+B 34 PANEL+B
6 VP2
20 VP1
BATT 35 VP
TEL MUTE
Q701
ACC CHECK
Q702
+5V REG
TU+5V AUDIO+8.3V
Q3
: CD PLAY
: FM
IC502
+3.3V
: MW/LW
BU+3.3V 3 2 BU+5V
REG
CN300
1
FL+
9
FL-
2
RL+
10
RL-
4
FR+
12
FR-
R-CH 3
RR+
11
RR-
5
AMP-REM
6
ANT-REM
F901
16
13
TEL-MUTE
7
ACC
15
TEST
14
NC