Block Diagram -Main Section - Sony CDX-GT700D Service Manual

CDX-GT700D/GT705DX
4-2. BLOCK DIAGRAM — MAIN SECTION —
CD
A
SECTION
(Page 19)
L
PJ401(1/2)
(BUS AUDIO IN)
GROUND
R-CH
R
SWITCH
Q408
TUX501
(TUNER UNIT)
L 4
R 3
PJ501
1 ANT
(ANTENNA)
VCC 10
TU_VDD 11
15
E2P_VDD
TU_SCL 13
TU_SDA 14
RDS 9
8
MUTE_CONDITION
QUALITY 5
S_METER 6
TU_MUTE 7
E2P_SCL 16
E2P_SDA 17
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: MW/LW
: BUS AUDIO
CDX-GT700D/GT705DX
IN/OUT SELECT,
ELECTRIC VOLUME
IC401
FL 30 FL-IN
R-CH 32 FR-IN
RL 31 RL-IN
33 RR-IN
R-CH
SUB 16 SUB-IN RL-OUT
14 L-OUT
A-L
R-CH 13 R-OUT
FL-OUT
10 8 6 AUX-L-IN
3 AUX-R-IN
R-CH
12 14 5 AUX-L-GND
4 AUX-R-GND
1 3 2 FIL
SUB-OUT
AMP
IC474
10 TU-L
9
TU-R
FR-OUT
RR-OUT
AUDIO+8.3V
43 DATA
TU+5V
42 CLK
BU+3.3V
41 MUTE
SCL
SDA SYSTEM CONTROL
30 E_VOL_MUTE/RX
31 E_VOL_CKO
29 E_VOL_SO/TX
26 BUS/AUX
GT700D
RDS DEMODULATOR
IC551
SCL
SCL 11
16 MPX
SDA
SDA 12
9 XTI
X551
8.664MHz
INTN 15 17 DAVN
10 XTO
VDDA VDDD
1 7
RDS+3.3V
18 TUNER ATT-IN
82 QUALITY
NS MASK
SWITCH 19 NS-MASK
Q380
83 VSM
21 TUNER ATT
23 EECKO (TU)
22 EESIO (TU)
PRE AMP
IC402
37 17 RL+ OUT(RL) 19
MUTE
Q181
5 FL+ OUT(FL)
36 3
MUTE
Q171
35 3 1
LINE AMP
IC470
MUTE
Q470
38 R-CH (FRONT)
39 R-CH (REAR)
MUTE CONTROL
Q401,402
IC303 (2/3)
GT700D
SCL
I2C_CKO 27
SDA
I2C_SIO 28 RDS
D904 D906 +3.3V
ATT
25
AMP_STB 41
AMP_DIAG 40
BEEP 20
ACC_IN 52
ILL_IN 51
TEL_ATT 53
TESET_IN 54
BUS INTERFACE
IC110
BU_IN 58 10 B CHK
SYSRESET 56
13 RESET
BUS_ON
57 12 BUS ON
UNI_CKO 5
11 CLK IN
DATA I/O
UNI_SI 4
8 DATA OUT
UNI_SO 3 9 DATA IN
BUS ON
LINK OFF
ATT
BU CHK
SYS RST
BUS ON
UNI CLK
UNI SI
UNI SO
D301
RESET
STBY
20 20
R-CH
R-CH
POWER AMP/
MULTIPLE VOLTAGE REGULATOR
IC201
OUT-FL+ 5
OUT-FL– 3
11 IN-RL
12 IN-FL
9
OUT-RL+
OUT-RL– 7
BATT
D401
SDA
R-CH
2 SDA
SCL
4 SCL
D120
SW1 (AMP_REM) 29
SW2 (ANT_REM)
27
D121
VP1 20 F901
VP2 6
RDS B+
VP (REG) 35
BATT
BU+3.3V
SWITCH
Q551,552
REG1 (AUDIO+B) 30 AUDIO+8.3V
REG2 (BU5V) 37 B_UP+5V
22 STB
REG3 (SERVO) 31
CD+3.3V
25 DIAG
REG4 (DR+B) 33
CD+6V
16 AC GND
REG5 (ILL) 34
ILL+B
ACC CHECK
Q102
ILLUMINATION CHECK
Q907
TEL ATTENATION SWITCH
Q103
D104
D105
OVER VOLTAGE
BATT 3 DETECT BATT
Q101
8
CLK 4 4
6 5
6
BUS ON
1 SWITCH
7
Q110,111,112
RST 2
TU+5V REG
TU+5V
Q501
CD
B
+3.3V REG
SECTION
BU+3.3V
IC301
(Page 19)
DISPLAY
C
SECTION
(Page 21)
PJ401(2/2)
L
AUDIO OUT
REAR
R
L
AUDIO OUT
FRONT
R
CN401
L
SUB OUT
(MONO)
R
CNP101
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
RR+
11
RR–
5
AMP-R
6
ANT-R
16
BATT
7
ACC
14
ILL
13
ATT
15
TEST
CNP102
(BUS CONTROL IN)
3
2
1
BATT
TH100
AUDIO+8.3V
B_UP+5V