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

CDX-F5500/F5500X
3-3. BLOCK DIAGRAM — MAIN SECTION —
PJ601
(ANTENNA)
ELECTRONIC VOLUME
IC401
AP2 5
AP1 3 R-CH
CD
A
CD-L 9 C2
SECTION
OUTS1 17
(Page 19) R-CH 8 C1
OUTS2
18 R-CH
TUX601
(TUNER UNIT)
1 ANT L 4 7 B2
OUTF2 23
R 3
6 B1
OUTR2 22
OUTF1 R-CH (FRONT)
25
R-CH (REAR)
OUTR1 24
VCC 10 AU+8V MUTE 29
SCL
TU VDD 11 TU+5V
SCL 30
SDA
E2P VDD 15 U COM+3.3V
SDA 31
SCL
TU-SCL 13
SDA
TU-SDA 14
SYSTEM CONTROL
IC801 (2/3)
SCL
IIC SCK 33
SDA
IIC SIO 34
S-METER 6 45 VSM
VOL ATT 6
TU MUTE 7 15 TU ATT
ATT 1
E2P SCL 16 25 EEP SCK
BEEP
5
E2P SDA 17 24 EEP SIO
STB 31
DIAG 56
ACC IN 64
TEL ATT 63
TEST IN 67
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: AM
BU IN 53
UNI SI
58
UNI SO 59
UNI SCK 60
BUS ON
61
SYS RST 62
D818
SYS RST
LINK OFF
BUS ON
CD UNI SCK
B
SECTION
UNI SO
(Page 19)
UNI SI
BU IN
ATT
POWER AMP
MUTE
Q407
12 INRR(FL)
11 INRF(RL)
MUTE MUTE
Q405 Q404
D400
MUTE CONTROL
BATT
Q400,401
SDA
2 SDA
SCL
4 SCL
16 ACGND
22 STB
25 DIAG
BATT 35 VP
TU+5V REG
TU+5V
Q601
+3.3V REG
BUS INTERFACE
U-COM+3.3V
IC803
IC900
BATTERY CHECK
BATT 3
Q902
10 B/U-C
6
DATA I/O
8 DATA OUT
CLK 4
9 DATA IN
11 CLK IN
BUS ON 1
12 BUSON
RST 2
13 RST
(Page 21)
D804
DISPLAY
RESET C
SECTION
20 20
L
BUS
AUDIO IN
R
R-CH
L
REAR
AUDIO OUT
R-CH R
L
FRONT
AUDIO OUT
R-CH R
IC100
CNP901
1
RR+
5 FL+
9
RR- 3 FL-
2
RF+ 9 RL+
10
RF- 7 RL-
4
FR+
12
FR-
R-CH 3
RR+
11
RR-
5
SW1 29
AMP-REM
6
SW2 27
ANT-REM
F901
16
BATT
BATT
REG1 30 AU+8V
REG2 37
U-COM+5V
REG3 31
SERVO+3.3V
REG4
33 MECHA+6V
REG5 34 DISP+B
ACC CHECK 7
ACC
Q900
13
TEL ATT
ATT
Q901
15
TEST
AU+8V
U-COM+5V
8
D912
BATT
6 3
5 2
4 1
BUS ON SWITCH
7
Q904,905
TH900
BATT
LINK ON/OFF
SWITCH
Q903
PJ401
CNJ900
BUS
CONTROL
IN