Read Sony CDX-F5500N Service Manual online
CDX-F5500N
20
20
CDX-F5500N
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
IC500 (2/3)
24
ACCIN 21
TELATT 23
AMPSTB 70
BEEP 85
CD
SECTION
A
CD
SECTION
B
3
11
CN700
J400
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
F901
10A
TU_ATT
BU3.3V
17
19
18
BATT
BATT
EEP_CKO
67
VSM
13
SCL
ATT
BATT
D493
59
TESTIN
DIAG
22
93
VOLATT
60
SOUND CONTROL
ELECTRONIC VOLUME
IC400
BUS-LCH
AP2
5
C2
9
B2
7
SDA
SCL
MUTE
CONT.
EVR
29
I2C_SIO
I2C_CKO
79
81
17
E2P-SDA
16
E2P-SCL
8
MUTE CON
7
TUN MUTE
11
VDD5V
10
VCC8.3V
68 EEP_SIO
64
TU_ATTIN
28
R-CH
25
29
AUDIO OUT FRONT
-5
L
R
-6
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)
MULTIPLE VOLTAGE
REGULATOR
IC300 (2/2)
VP2
VP1
VP1
• Signal path
: FM
: AM
: CD
• R-ch is omitted due to same as L-ch.
AUDIO OUT REAR
-3
L
R
-4
R-CH
BUS AUDIO IN
-1
L
R
-2
R-CH
12
BUIN
M-ATT
31
UNI CKO 6
4
L
OUTF2
23
OUTR2
22
SYSRST 37
RESET 19
+5V REG.
Q3
RESET
IC502
LINE MUTE
CONTROL
Q491,492
TEL
ATT
ATT
Q701
I2C
BUS
ACC
CHECK
Q702
MUTE
Q440
MUTE
Q450
11
MUTE
TONE
INPUT SELECTOR
EFFECT
OUTS2
17
MUTE
Q480
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
D351
D601
S103
RESET
BUS INTERFACE
IC600
MUTE
16
22
I2C
BUS
31
30
UNI SI
UNI SO
UNI CLK
BUS ON
BU IN
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
IC501
3
2
UNI SI 5
UNI SO 4
BUS ON 36
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
BUS ON
SWITCH
Q600,601
CN600
(BUS CONTROL IN)
3-3. BLOCK DIAGRAM — MAIN SECTION —
(Page 19)
(Page 19)
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