Block Diagram - Main Section - Sony CDX-GT50W Service Manual

CDX-GT50W/GT500/GT500EE/GT550
Q Q
3 7 6 3 1 5 1 5 0
3-2. BLOCK DIAGRAM — MAIN SECTION —
J200 (1/2)
L
BUS
AUDIO
IN
R-CH
R
TU300
(TUNER UNIT)
J300
1 ANT
(ANTENNA)
VCC+8.3V
T E
L 1 3 9 4 2 2 9 6 5 1 3
S-METER
TU MUTE
MUTE CONDITION
RDS OUT
• R-CH is omitted due to same as L-CH.
• Signal Path
w w w : CD PLAY
: FM
: AM/MW/LW
: AUX
CDX-GT50W/GT500/GT500EE/GT550
CD
A
CD-L
SECTION
(Page 17) R-CH
R-CH
AUX
SELECT
SWITCH
Q200
L-CH 4
R-CH 3
10 AUDIO+8.3V
VDD+5V 11
TU+5V
15 BU+3.3V
E2P VDD
SCL
TU-SCL 13
SDA
TU-SDA 14
6
7
E2P SCL 16
E2P SDA 17
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
9 16 MPX
VDDA VDDD
AEP,UK MODEL
1 7
RDS POWER
CONTROL BU+3.3V
Q350
DISPLAY
D
RESET
SECTION
(Page 19)
UNISO
BUS ON
UNICLK
x a o
UNISI
y
CD
B
SECTION B/U CHECK
(Page 17)
. i
ATT
LINK OFF
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8
ELECTRONIC VOLUME
IC401
OUTLR2
16
MUTE
Q201
OUTLR1 19
9 SE1L
OUTRR1 18
R-CH
10 SE1R
OUTLF 20
OUTRF 17 R-CH
MUTE MUTE
11 DIFFL
Q204 Q205
13 DIFFR
12 DIFFG
7 SE2L
8 SE2R
MUTE
21
SCL
SCL 22
25 SAIN
SDA
D252
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 Q Q
3 7 6 3
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
CHECK
TEL ATT 74
Q520
13 NS MASK
ILLIN 75
ACC IN 72
TEST IN 73
56 DAVN
30
RDS ON
BU IN
54 10 B/U-C
UNISI 58 8 DATA OUT
UNISO 59
UNISCK 60 11 CLK IN
BUSON 87
12 BUS IN
13
RST
D457
9 DATA IN
u 1 6 3
DISPLAY
SECTION .
(Page 19)
18 18
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2 4
9 9
R-CH
R-CH
IC2-BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
IC150
CN100
11 IN RL OUT FL+ 5
OUT FL– 3
12 IN FL
OUT RL+ 9
10
OUT RL–
7
12
R-CH
BATT
11
AMP-REM
29
ANT-REM 27
BATT
F901
SDA 16
VP
2 SDA 35
SCL
4 SCL 20
VP1
1 5 1 5 0 8 9 2
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
13
14
ILLUMINATION CHECK
Q510
ACCESSORY
7
CHECK
Q500
15
+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
BATT
Q455
DATA I/O 6
CLK 4
BUS ON
BUS ON 1 SWITCH
Q453
BATT
RST
2
m
LINK
c o
SWITCH
Q454
E
BATTERY CHECK
2
8 9 9
SUB
(L)
AUDIO
OUT
(R)
L
REAR J200
(2/2)
R
AUDIO
OUT
L
FRONT
R
1
FL+
9
FL–
2
RL+
RL–
4
FR+
FR–
3
RR+
RR–
5
AMP-REM
6
ANT-REM
4 9 8 2 9 9
TEL-MUTE
ILL
ACC
TEST
8
6 3
CNJ450
BUS
5 2
CONTROL
IN
4 1
7
TH450