Block Diagram -Main Section - Sony CDX-F7500 Service Manual

3-3. BLOCK DIAGRAM — MAIN SECTION —
CD
A
SECTION
(Page 20)
TUX501
(TUNER UNIT)
L 4
R
3
J601
1 ANT
(ANTENNA)
VCC 10 AU+8V
TU VDD 11 TU+5V
E2P VDD 15 BU+5V
SCL
TU-SCL 13
SDA
TU-SDA 14
6
S-METER
TU MUTE 7
E2P SCL 16
E2P SDA 17
MUTE CONDITION 8
QUALITY 5
RDS DEMODULATOR
IC550
RDS 9 16 MPX
4 OSCO
X550
4.332MHz
5 OSCI
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: MW/LW
CD
B
SECTION
(Page 20)
ELECTRONIC VOLUME
IC401
PB LCH 4
PB RCH 7 R-CH
OUTSW 17
CD-L 42 CD LCH
R-CH 43 CD RCH
OUT RF 22
R-CH
OUT RR 21
40 TUNER LCH
41 TUNER RCH
OUT LF 25
OUT LR 24
SA IN 14
SA OUT 16
MUTE 15
SCL
SCL 13
SDA
SDA 12
SYSTEM CONTROL
IC303 (2/3)
SCL
IIC CKO 27
SDA
IIC SIO
28
82 VSM
VOL ATT 26
32 TUNER ATT
ATT 25
34 EECKO
BEEP 20
33 EESIO
AMP STB 41
73 TU ATTIN
AMP DIAG 40
SA IN 83
80 QUALITY
SA CLK 23
Q380
BUS/AUX 66
19 NS MASK
ACC IN 68
TEL ATT
24
TEST IN 63
SCL
SCL 9
SDA ILL IN 69
10
SDA
DAVN 8 17 DAVN
BU IN 18
UNI SI 30
UNI SO 29
UNI CKO
31
BUS ON 64
SYS RST 65
D301
SYS RST
LINK OFF
BUS ON
UNI SCK
UNI SO
UNI SI
ATT
BU CHECK
BU CHK
DET
Q270,273
21
F7500
AMP
F7700
IC470
2 1
MUTE
F7500
Q470
AMP
IC402
8 14
11 13
MUTE MUTE
CONTROLLED POWER AMP/
Q171 Q181
MULTIPLE VOLTAGE REGULATOR
AMP
IC201
IC431
3 1
12 INFL
5 7 11 INRL
MUTE MUTE
Q451 Q450
F7700
F7700
D401
MUTE CONTROL
BATT
Q401,402
SDA
2 SDA
SCL
4 SCL
D904
16 ACGND
22 STB
25 DIAG
BATT 35 VP
ACC CHECK
TEL ATT
+3.3V REG
BUS INTERFACE BU+3.3V BU+5V
IC271
IC110
D105
BATT DET
BATT 3
Q101
10 B CHK
DATA I/O 6
8 DATA OUT
CLK 4
9 DATA IN
11 CLK IN BUS ON SWITCH
BUS ON 1
Q110,112
12 BUSON
2
RST
13 RST
(Page 22)
D302
DISPLAY
RESET C
SECTION
LINK ON/OFF
SWITCH
21
CDX-F7500/F7700
CN401
SUB OUT(MONO)
GROUND SW
Q408
L
BUS
AUDIO IN
R-CH R
L
REAR
AUDIO OUT
R
R-CH
L
FRONT
AUDIO OUT
R-CH R
CNP101
1
FL+ 5 FL+
9
FL- 3 FL-
2
RL+ 9 RL+
10
RL- 7 RL-
4
FR+
12
FR-
3
R-CH
RR+
11
RR-
5
SW1
29
AMP-REM
6
SW2 27
ANT-REM
F901
16
BATT BATT
REG1 30 AU+8V
REG2 37
BU+5V
REG3
31 CD+3.3V
REG4 33 CD+6V
REG5 34 ILL+B
7
ACC
Q102
13
ATT
Q103
15
TEST
ILL CHECK 14
ILL
Q907
TU+5V REG
TU+5V AU+8V
Q501
CNP102
8
BUS
CONTROL
BATT
6 3
IN
5 2
4 1
7
TH100
BATT
Q111
PJ401