Read Sony CDX-F5550 Service Manual online
14
14
CDX-F5550
CDX-F5550
J1
(ANTENNA)
1 ANT
CDL
CDR
CD-L
TU-L
R-CH
3
R
AUDIO 8.3V
TUNER UNIT
TU1
6
S-METER
14
SDA
SYSTEM CONTROL
IC501 (2/3)
86
ACCIN 72
TELATT 74
AMPSTB 26
BEEP 5
CD
SECTION
A
CD
SECTION
B
3
11
CN300
J451
1
9
FL+
FL-
2
10
RL+
RL-
4
12
13
7
FR+
FR-
15
RR+
RR-
TEST
ACC
ATT
16 +B (BATT)
8 GND
R-CH
FU601
10A
TU_ATT
BU3.3V
17
19
18
BATT
BATT
EEP_CKO
25
VSM
BU3.3V
13
SCL
ATT
BATT
D493
8
TESTIN
DIAG
73
39
5
QUALITY
QUALITY
38
NS-MASK
13
VOLATT
9
DAVN
56
RDS ON
30
BUS-LCH
DIFFL
11
SE1L
9
SE2L
7
SDA
SCL
MUTE
CONT.
EVR
21
I2C_SIO
I2C_CKO
34
33
17
E2P-SDA
16
E2P-SCL
8
MUTE CON
7
TUN MUTE
11
VDD5V
10
VCC8.3V
24 EEP_SIO
12
TU_ATTIN
53
R-CH
9
RDS OUT
16 MPX
9 XTI
10
1
7
XTO
12
SDA
25
29
AUDIO OUT FRONT
L
R
R-CH
5 AMP-R
27
35
37
34
33
31
30
6 ANT-R
BEEP
STB
FL
RL
SUB-L
4
SCL
2
SDA
CONT.
9
7
6
20
POWER AMP
IC300 (1/2)
POWER SUPPLY
IC300 (2/2)
VP2
VP1
VP1
• Signal path
: FM
: MW
: CD
• R-ch is omitted due to same as L-ch.
AUDIO OUT REAR
L
R
R-CH
BUS AUDIO IN
L
R
R-CH
12
BUIN
A-ATT
54
UNI SCK 60
4
L
OUTLF
20
OUTLR1
19
SYSRST 88
RESET 77
+5V REG.
Q3
RESET
IC602
LINE MUTE
CONTROL
Q491,492
TEL
ATT
ATT
Q701
I2C
BUS
ACC
CHECK
Q702
MUTE
Q440
NS MASK
SWITCH
Q1
MUTE
Q470
11
MUTE
TONE
INPUT SELECTOR
EFFECT
15
INTN
11
SCL
OUTLR2
16
MUTE
Q430
5
3
DIAG
AMP-REM
ANT-REM
B.UP+B
PANEL+B
MECH 6V
SERVO 3.3V
AUDIO +B
BU5V
PANEL+B
MECH 6V
SERVO 3.3V
AUDIO 8.3V
SERVO 3.3V
AUDIO 8.3V
VP
D302
D301
D603
D602
D400
D511
S103
RESET
BUS INTERFACE
IC601
MUTE
16
22
I2C
BUS
23
22
RDS POWER
CONTROL
Q50
RDS DECODER
IC50
X50
8.664MHz
UNI SI
UNI SO
UNI CLK
BUS ON
LINK OFF
B/U CHECK
SYS RST
B/U C
10
RST
13
DATA IN
9
CLK IN
11
BUS IN
12
DATA OUT
8
1
2
BU5V
BU3.3V
+3.3V REG
IC502
3
2
UNI SI 58
UNI SO 59
BUS ON 87
BATT 3
RST 2
DATA I/O 6
4
5
6
5
6
1
7
8
2
3
3
CLK 4
BUS ON 1
BATTERY
CHECK
Q605
LINK
SWITCH
Q600,601
CNJ400
(BUS CONTROL IN)
ELECTRONIC VOLUME
IC401
3-2. BLOCK DIAGRAM — MAIN SECTION —
(Page 13)
(Page 13)
Click on the first or last page to see other CDX-F5550 service manuals if exist.