Block Diagram - Main Section - Sony CDX-GT500 Service Manual

CDX-GT50W/GT500/GT500EE/GT550
3-2. BLOCK DIAGRAM — MAIN SECTION —
J200 (1/2)
L
BUS
AUDIO
IN
R-CH
R
J300
1 ANT
(ANTENNA)
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: AM/MW/LW
: AUX
CDX-GT50W/GT500/GT500EE/GT550
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CD
A
CD-L
SECTION
(Page 17)
AUX
SELECT
TU300
SWITCH
(TUNER UNIT)
Q200
L-CH 4
R-CH 3
VCC+8.3V 10 AUDIO+8.3V
VDD+5V 11
TU+5V
15 BU+3.3V
E2P VDD
SCL
TU-SCL 13
SDA
TU-SDA 14
S-METER 6
TU MUTE 7
E2P SCL 16
E2P SDA 17
MUTE CONDITION 8
QUALITY 5
NS MASK
CONTROL
Q300
RDS DEMODULATOR
IC350
SCL
9 XTI SCL 11
SDA
X350
SDA 12
8.664MHz
10 XTO
INTN 15
RDS OUT 9 16 MPX
VDDA VDDD
AEP,UK MODEL
1 7
RDS POWER
CONTROL
Q350
DISPLAY
D
RESET
SECTION
(Page 19)
UNISO
BUS ON
UNICLK
UNISI
CD
B
SECTION B/U CHECK
(Page 17)
ATT
LINK OFF
ELECTRONIC VOLUME
IC401
OUTLR2
16
MUTE
Q201
OUTLR1 19
9 SE1L
OUTRR1 18
R-CH
R-CH 10 SE1R
OUTLF 20
OUTRF 17 R-CH
MUTE
11 DIFFL
Q204
R-CH 13 DIFFR
12 DIFFG
7 SE2L
8 SE2R
MUTE
21
SCL
SCL 22
25 SAIN
SDA
SDA 23
26 SAOUT
MUTE DRIVE
Q250,251
SYSTEM CONTROL
IC711 (2/3)
SCL
I2C CKO 33
44 SA IN
SDA
I2C SIO D250
34
45 SA CKO
17 AUX IN VOL ATT 9
39 VSM
ATT 21
12 TU ATT
BEEP 7
25 EEP CKO AMP STB 26
24 EEP SIO DIAG 8
53 TU ATT IN
38 QUALITY TEL ATTENATION
TEL ATT 74
13 NS MASK
ILLIN 75
ACC IN 72
TEST IN 73
56 DAVN
30
RDS ON
BU IN
54
UNISI 58
BU+3.3V
UNISO 59
UNISCK 60
BUSON 87
D457
(Page 19)
18 18
R-CH
R-CH
MUTE
Q205
IC2-BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
IC150
11 IN RL OUT FL+ 5
OUT FL– 3
12 IN FL
OUT RL+ 9
OUT RL–
7
D252
R-CH
BATT
AMP-REM
29
ANT-REM 27
BATT
F901
SDA
VP
2 SDA 35
SCL
4 SCL 20
VP1
VP2 6
AUDIO+B 30 AUDIO+8.3V
B.U+B
37 BU+5V
16 BEEP
SERVO3.3V 31 SERVO+3.3V
22 STB
MECHA6V 33 MECHA+6V
25 DIAG
PANEL+B 34
PANEL+B
CHECK
Q520
ILLUMINATION CHECK
Q510
ACCESSORY
CHECK
Q500
+3.3V REG
BU+3.3V BU+5V
IC700
TU+5V REG
TU+5V AUDIO+8.3V
Q301
BUS INTERFACE
IC450
D453
BATTERY CHECK
BATT 3
10 B/U-C
Q455
8 DATA OUT
11 CLK IN
DATA I/O 6
12 BUS IN
CLK 4
BUS ON
13
RST
BUS ON 1 SWITCH
Q453
RST
2
9 DATA IN
LINK
SWITCH
Q454
DISPLAY
E
BATTERY CHECK
SECTION
SUB
(L)
AUDIO
OUT
(R)
L
REAR J200
(2/2)
R
AUDIO
OUT
L
FRONT
R
CN100
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
RR+
11
RR–
5
AMP-REM
6
ANT-REM
16
13
TEL-MUTE
14
ILL
7
ACC
15
TEST
8
BATT
6 3
CNJ450
BUS
5 2
CONTROL
IN
4 1
7
TH450
BATT