Read Sony CDX-GT700D / CDX-GT705DX Service Manual online
20
20
CDX-GT700D/GT705DX
CDX-GT700D/GT705DX
4-2. BLOCK DIAGRAM — MAIN SECTION —
1 ANT
10
DATA
IN/OUT SELECT,
ELECTRIC VOLUME
IC401
PJ501
(ANTENNA)
TUX501
(TUNER UNIT)
POWER AMP/
MULTIPLE VOLTAGE REGULATOR
IC201
SYSTEM CONTROL
IC303 (2/3)
AMP
IC474
CNP101
PJ401(2/2)
CN401
9
CLK
R-CH (FRONT)
R-CH (REAR)
R-CH (REAR)
BATT
14 L-OUT
6 AUX-L-IN
5 AUX-L-GND
4 AUX-R-GND
2 FIL
4 AUX-R-GND
2 FIL
3 AUX-R-IN
13 R-OUT
TU-R
TU-L
4
3
3
10
VCC
11
TU_VDD
15
E2P_VDD
13
TU_SCL
14
TU_SDA
6
7
7
S_METER
9
RDS
16 MPX
GT700D
16
TU_MUTE
E2P_SCL
17
E2P_SDA
UNI SO
UNI SI
UNI CLK
ATT
LINK OFF
BU CHK
BUS ON
SYS RST
RESET
STBY
STBY
83 VSM
21 TUNER ATT
21 TUNER ATT
8
5
5
MUTE_CONDITION
QUALITY
18 TUNER ATT-IN
82 QUALITY
82 QUALITY
19 NS-MASK
23 EECKO (TU)
22 EESIO (TU)
22 EESIO (TU)
AUDIO+8.3V
TU+5V
BU+3.3V
BU+3.3V
L
R
43
42
MUTE
41
GROUND
SWITCH
Q408
R-CH
L
R
35
37
SUB-OUT
RL-OUT
36
FL-OUT
R-CH
R-CH
5
3
3
OUT-FL+
OUT-FL–
OUT-RL+
OUT-RL–
9
7
7
29
27
27
6
SW1 (AMP_REM)
R-CH
SW2 (ANT_REM)
VP2
20
VP1
35
VP (REG)
BATT
30
37
37
REG1 (AUDIO+B)
REG2 (BU5V)
31
33
33
REG3 (SERVO)
REG4 (DR+B)
34
REG5 (ILL)
TU+5V
38
39
39
FR-OUT
RR-OUT
2 SDA
AUDIO+8.3V
B_UP+5V
CD+3.3V
CD+6V
CD+6V
ILL+B
4 SCL
SDA
SCL
22 STB
GT700D
25 DIAG
AUDIO+8.3V
15
13
7
10
12
4
11
16
1
9
2
3
5
6
SCL
SDA
SCL
SDA
27
I2C_CKO
28
I2C_SIO
D904
RDS
+3.3V
BU+3.3V
D906
25
ATT
41
40
AMP_STB
AMP_DIAG
16 AC GND
20
BEEP
58
BU_IN
54
TESET_IN
11 IN-RL
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-R
ANT-R
ACC
TEST
12 IN-FL
MUTE
Q470
MUTE
Q171
MUTE
Q181
MUTE CONTROL
Q401,402
56
SYSRESET
57
BUS_ON
5
UNI_CKO
4
UNI_SI
3
UNI_SO
10 B CHK
13 RESET
12 BUS ON
11 CLK IN
8 DATA OUT
9 DATA IN
3
BATT
4
CLK
6
DATA I/O
4
5
6
3
8
7
2
1
52
ACC_IN
ACC CHECK
Q102
TU+5V REG
Q501
BU+3.3V
B_UP+5V
+3.3V REG
IC301
BATT
TH100
BATT
CNP102
(BUS CONTROL IN)
ATT
53
TEL_ATT
TEL ATTENATION SWITCH
Q103
R-CH
R-CH
F901
D120
D121
L
R
AUDIO OUT
REAR
L
R
AUDIO OUT
FRONT
L
R
SUB OUT
(MONO)
CD
SECTION
A
CD
SECTION
B
DISPLAY
SECTION
C
BATT
14
ILL
51
ILL_IN
ILLUMINATION CHECK
Q907
OVER VOLTAGE
DETECT
Q101
BUS INTERFACE
IC110
RDS DEMODULATOR
IC551
1
BUS ON
2
RST
D301
D128
(BUS AUDIO IN)
PJ401(1/2)
BUS ON
SWITCH
Q110,111,112
NS MASK
SWITCH
Q380
9 XTI
10 XTO
VDDA
11
SCL
12
SDA
SCL
SDA
15
INTN
RDS+3.3V
1
VDDD
7
17 DAVN
26 BUS/AUX
29 E_VOL_SO/TX
31 E_VOL_CKO
30 E_VOL_MUTE/RX
X551
8.664MHz
PRE AMP
IC402
19
OUT(RL)
3
OUT(FL)
17 RL+
5 FL+
RDS B+
SWITCH
Q551,552
D105
D104
LINE AMP
IC470
D401
3
1
12
14
1
3
10
8
A-L
16 SUB-IN
SUB
33 RR-IN
R-CH
31 RL-IN
RL
32 FR-IN
R-CH
30 FL-IN
FL
• Signal Path
• R-CH is omitted due to same as L-CH.
: FM
: MW/LW
: BUS AUDIO
(Page 19)
(Page 19)
(Page 21)
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