Block Diagram -Main Section - Sony CDX-F7700 Service Manual

3-3. BLOCK DIAGRAM — MAIN SECTION —
ELECTRONIC VOLUME
CD
(Page 20) A CD-L
42 CD LCH
SECTION
R-CH 43 CD RCH
TUX501
(TUNER UNIT)
L 4 40 TUNER LCH
R 3 41 TUNER RCH
J601
1 ANT
(ANTENNA)
VCC 10 AU+8V
TU VDD 11
TU+5V
BU+5V
E2P VDD 15
SCL
TU-SCL 13
SDA
14
TU-SDA
SYSTEM CONTROL
S-METER 6 82 VSM
TU MUTE 7 32 TUNER ATT
E2P SCL 16 34 EEP SCL
E2P SDA 17 33 EEP SIO
8 73 TU ATTIN
MUTE CONDITION
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: AM
SYS RST
LINK OFF
BUS ON
CD UNI SCK
B
SECTION
UNI SO
(Page 20)
UNI SI
ATT
BU CHECK
BU CHK DET
Q270,273
AMP
IC470
2 1
MUTE
Q470
IC401
PB LCH
4
AMP
PB RCH 7 R-CH
IC402
OUTSW 17
8 14
11 13
OUT RF 22
R-CH MUTE
OUT RR 21
Q171
AMP
IC431
OUT LF 25 3 1
OUT LR 24 5 7
SA IN 14
MUTE
SA OUT 16
Q451
MUTE 15
SCL
SCL 13
SDA
SDA 12 D401
MUTE CONTROL
Q401,402
IC303 (2/3)
SCL
IIC SCK 27
SDA
IIC SIO 28
VOL ATT 26
D904
ATT 25
BEEP 20
AMP STB 41
AMP DIAG 40
SA IN 83
SA CLK
23
BUS/AUX 66
ACC IN 68
TEL ATT 24
TEST IN
63
ILL IN 69
BUS INTERFACE
IC110
BATT
BU IN 18 10 B CHK
DATA I/O
UNI SI 30 8 DATA OUT
CLK
UNI SO 29 9 DATA IN
UNI CKO 31 11 CLK IN
BUS ON
BUS ON 12 BUSON
64
RST
SYS RST 65 13 RST
D301
D302
RESET
21
GROUND SW
Q408
MUTE
CONTROLLED POWER AMP/
Q181
MULTIPLE VOLTAGE REGULATOR
IC201
12 INFL FL+ 5
FL-
3
11 INRL
RL+
9
MUTE
Q450 RL- 7
BATT
SW1 29
SW2 27
SDA
2 SDA
BATT
SCL
4 SCL
REG1 30 AU+8V
REG2 37
BU+5V
16 ACGND
REG3 31
CD+3.3V
22 STB
REG4 33
CD+6V
25 DIAG
REG5 34 ILL+B
35 VP
BATT
ACC CHECK
Q102
TEL ATT
Q103
ILL CHECK
Q907
+3.3V REG
TU+5V REG
BU+3.3V
BU+5V TU+5V
IC271
Q501
D105
BATT DET
3 BATT
Q101
6
4
BUS ON SWITCH
1
Q110,112
2
(Page 22)
DISPLAY
C
SECTION
LINK ON/OFF
SWITCH
Q111
21
CDX-F7700/F7705X
CN401
SUB OUT(MONO)
L
BUS
AUDIO IN
R
R-CH
L
REAR
PJ401
AUDIO OUT
R-CH R
L
FRONT
AUDIO OUT
R
R-CH
CNP101
1
FL+
9
FL-
2
RL+
10
RL-
4
FR+
12
FR-
R-CH 3
RR+
11
RR-
5
AMP-REM
6
ANT-REM
F901
16
BATT
7
ACC
13
ATT
15
TEST
14
ILL
AU+8V
CNP102
8
BUS
CONTROL
6 3
IN
5 2
4 1
7
TH100
BATT