Diagrams; Block Diagram -Main Section - Sony CDX-GT24W Service Manual

4-1. BLOCK DIAGRAM – MAIN Section –
R-CH
J901
(AUX)
ADVANCED TUNER/
RDS DECODER/PLL
L6
FM MIX
J1
4 FMIN1
(ANTENNA)
3 FMIN2
L2
1 AMRFIN
16 XTAL1
X1
4MHz
15 XTAL2
CNP301
AU_LCH
11
15 AU_RCH
22 UNI_SO
24
UNI_SI
26
UNI_CLK
16
Z_MUTE
5 CD_ON
CD
7
CDM_ON
MECHANISM
UNIT
6
(MG-101L) SYS_RST
21
EJECT_OK
27 BUS_ON
9 A_ATT
25
BU_IN
18
D_+3.3V
19
A_+3.3V
8
BU_+3.3V
1,2 DR_+6V
14 A_8.5V
CDX-GT24W/GT240/GT290/GT290S
SECTION 4

DIAGRAMS

R-CH
IC1
LOUT
8
ROUT 9 R-CH R-CH
R-CH
I2C-SCL
SCL 18
I2C-SDA
SDA 19
RSSI 14
R-CH
D512
D510
BU+3.3V
SERVO +3.3V
BU_+3.3V
MECHA +6V
AUDIO +8.5V
ELECTRONIC VOLUME
IC401
SUB-L 30
SUB-R 31 R-CH
9 AUX-L
7 AUX-R
MUTE
Q481
8 AUX-G
OUT-FL 34
OUT-RL 32
OUT-FR 35 R-CH (FRONT)
OUT-RR 33 R-CH (REAR)
4 TU-L
I2C-SCL
3 TU-R
SCL 37
I2C-SDA
SDA 38
6 CD-L MUTE
CONTROL SWITCH
5 CD-R
Q478,479
SYSTEM CONTROL
IC501 (1/2)
93 VSM
I2C-SCL
D511
I2C_SCK 29
I2C-SDA
I2C_SIO 30
ATT 56
BEEP 28
AMPSTB
58
DIAG 57
5 UNISO
6 UNISI
ACC IN 55
7 UNISCK
21 Z-MUTE
52 CD_ON
20 CDM_ON
12 RESET
43 SYSRST
OVER VOLTAGE
BUIN
44 19 CHECK
BUSON
Q580-582,D580,D581
BU+3.3V REG
BU+3.3V
IC681
RESET
IC602
1 VOUT VDD 2
BU +3.3V
17 17
CDX-GT24W/GT240/GT290/GT290S
I2C BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
IC750
12 IN-FL OUT-FL+ 5
OUT-FL–
3
11 IN-RL
OUT-RL+ 9
MUTE MUTE
OUT-RL– 7
Q441 Q461
R-CH
D479
BATT
AMP-REM 29
I2C-SCL ANT-REM 27
4 SCL
I2C-SDA
2 SDA
VP 35
VP1
20
VP2 6
BU+B 37 B.U+5V
AUDIO+B 30 AUDIO +8.5V
SERVO+3.3V 31
SERVO+3.3V
MECHA+6V
33 MECHA+6V
PANEL+B 34 PANEL+B
16 BEEP
22 STB
25 DIAG
ACCESSORY CHECK
Q631
BATT
B.U +5V
R-CH L-CH.
S P
: CD PLAY
: FM
: AM/MW/SW
: AUX
J330
AUDIO
OUT
L
REAR/SUB
R-CH R
CN601
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
R-CH 3
RR+
11
RR–
5
AMP-REM
6
ANT-REM
BATT
FU601
16
BATT
7
ACC