Block Diagram -Main Section - Sony CDX-F5500 Service Manual

CDX-F5500/F5505X
3-3. BLOCK DIAGRAM — MAIN SECTION —
TUNER UNIT
TU1
J1
L 4
1 ANT
(ANTENNA)
R-CH
R 3
9
RDS OUT
X50
8.664MHz
S-METER
6
SDA 14
SCL
13
QUALITY
5
E2P-SDA 17
E2P-SCL
16
MUTE CON 8
TUN MUTE 7
VDD5V 11
VCC8.3V 10
BUS-LCH
AP2
5
CD-L
C2
CDL 9
A
CD
CDR R-CH
(Page 21) SECTION
TU-L
B2
7
SDA
31
SCL
30
29
AEP,UK MODEL MUTE
RDS DEMODULATOR
IC50
16 MPX 12
SDA
SYSTEM CONTROL
SCL 11
IC500 (2/3)
9 XTI
VOLATT
60
AMPSTB 70
10 XTO
15 82 DAVN
INTN
1 7
TELATT 23
RDS POWER
ACCIN 21
CONTROL
BU3.3V
Q50,51
TESTIN
93 VSM
79 I2C_SIO
81 I2C_CKO
AEP,UK MODEL
NS MASK
SWITCH 92 QUALITY
Q1
UNI CKO 6
66 NS-MASK
UNI SI 5
68 EEP_SIO
UNI SO 4
67 EEP_CKO
AEP,UK MODEL
BUS ON 36
28
TU_ATTIN
64 TU_ATT
SYSRST 37
+5V REG.
AUDIO 8.3V RESET 19
Q3
M-ATT
BU IN
SYS RST
B
CD
UNI SI
SECTION
(Page 21)
UNI SO
UNI CLK
BUS ON
SOUND CONTROL
ELECTRONIC VOLUME
IC400
OUTF2
FL
EFFECT
23
MUTE
Q440
OUTR2
RL
TONE 22
MUTE
EVR
Q450
SUB-L
I2C
17
CONT.
BUS
OUTS2
MUTE
Q480
BEEP 85
22
LINE MUTE
ATT 24
CONTROL
BATT
Q491,492
D493
DIAG 59
3 2
+3.3V REG
BU3.3V BU5V
IC501
1 2
RESET
BU3.3V
31 IC502
BUIN
10
B/U C
13 RST
D351 BUS INTERFACE
S103
RESET
8 DATA OUT
9
DATA IN
D601
11 CLK IN
12 BUS IN
22 22
R-CH
R-CH
R-CH
POWER AMP
IC300 (1/2)
5
12
3
9
11
7
STB
22
R-CH
BEEP
16
CONT.
SDA
2
I2C 6
VP2
SCL
BUS
4
VP1 20
TEL
ATT
Q701
ACC
CHECK
Q702
MULTIPLE VOLTAGE
REGULATOR
IC300 (2/2)
D302
AMP-REM 29
D301
ANT-REM 27
25 DIAG
B.UP+B 37 BU5V
34 PANEL+B
PANEL+B
33 MECH 6V
MECH 6V
31 SERVO 3.3V
SERVO 3.3V
AUDIO +B 30 AUDIO 8.3V
35 F901
VP
10A
BATT
D603
BATT
D602
BATTERY
BATT 3 CHECK
• Signal path
Q605
RST 2 : FM
: AM (US,Canadian,E model) or MW (AEP,UK model)
: CD
IC600
• R-ch is omitted due to same as L-ch.
7
DATA I/O 6
CN600
1 4
(BUS CONTROL IN)
2 5
3 6
CLK 4
8
BUS ON
BUS ON 1 SWITCH
Q600,601
J400
L
-1
BUS AUDIO IN
R
-2
L
-3
AUDIO OUT REAR
R
-4
L
-5
AUDIO OUT FRONT
R
-6
CN700
1
FL+
9 FL-
2 RL+
10 RL-
4
FR+
12 FR-
3
RR+
11
RR-
13 ATT
7 ACC
15
TEST
5 AMP-R
6 ANT-R
8 GND
19
17
18
16 +B (BATT)