Diagrams; Block Diagram -Main Section - Sony CDX-GT31MP Service Manual

4-1. BLOCK DIAGRAM – MAIN Section –
R-CH
J901
AUX
RF_ANT_IN
J001
1
(ANTENNA)
CN701
28 AU_LCH
26
AU_RCH
R-CH
DEC_RST
25
24 DEC_SSTBY
23 DEC_XCCE
22
DEC_SCK
21
DEC_SI
20
DEC_SO
CD
17
CD_ZDET
MECHANISM
16
DEC_XMUTE
UNIT
15 DEC_INT
(MG-101X-188)
14 DRV_ON
13 MEC_LOAD
MEC_EJECT
12
CDON
5
MEC_SELFSW
4
MEC_INSW
3
MEC_LIMIT
2
MEC_DSW
1
10 DR_6V
MECHA+6V
9 BU_3.3V
BU+3.3V
7
VDD3.3V
SERVO+3.3V
6 AU8V
AUDIO+8.5V
RXD
5
TXD
4
RESET
1
CN501
CLK
FLASH
2
PROGRAMMING
FLASH_W
7
BUSY
3
BU3.3V
6
CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
SECTION 4

DIAGRAMS

12 AUX_LCH
R-CH 10 AUX_RCH
11 AUX_GND
TU1
TUNER UNIT
AUDIO_OUT_L
3 4 TU_LCH
AUDIO_OUT_R
4 R-CH R-CH 3 TU_RCH
6 CD_LCH
RSTN
5
R-CH 5 CD_RCH
SCL
6
SDA
7
RSTN
49 HIT2_RESET
SCL
HIT2_SCL
48
SDA
47 HIT2_SDA
DEC_RST
54
DEC_SSTBY
53
CD_XCCE
52
23 DEC_SCK
24 DEC_SO
22 DEC_SI
51 CD_ZDET
50 DEC_XMUTE
45 DEC_INT
DRV_ON
27
38 MEC_LOAD
39 MEC_EJECT
40 CDON_1500MV
75 MEC_SELFSW
42 MEC_INSW
43 MEC_LIMIT
44 MEC_DSW
12 RESET
32 FW_RXD
31 FW_TXD
33 FW_CLK
9 CNVSS
34 FW_BUSY
BU+3.3V
ELECTRONIC VOLUME
IC401
OUT_SLCH 30
OUT_SRCH 31
R-CH(REAR/SUB)
MUTE
Q401
OUT_FLCH 34
OUT_RLCH 32
OUT_FRCH
35 R-CH (FRONT)
MUTE
OUT_RRCH 33 R-CH (REAR)
Q403
I2C_SCL
I2C_SCK 37
I2C_SDA
I2C_SIO 38
MUTE DRIVE
Q407,408
SYSTEM CONTROL
IC501 (1/2)
I2C_SCL
I2C_SCL
29
I2C_SDA
I2C_SDA 30
ATT 58
BEEP
28
AMPSTB 60
DIAG 59
ACC_IN 57
LOW
BATTERY
VOLTAGE
BU_IN 19 CHECK
CHECK
Q803
Q802
OVER
VOLTAGE
CHECK
RESET
Q801
IC403
1 VOUT VDD 2 BU+3.3V
+3.3V REG
BU+3.3V 4 BU
IC402
19 19
CDX-GT31MP/GT260MP/GT267ME/GT310MP/GT313MP
R-CH
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
OUT-FL+ 5
12 IN-FL
OUT-FL– 3
11 IN-RL
OUT-RL+ 9
MUTE
OUT-RL– 7
Q406
R-CH
D401
R-CH
BATT
I2C_SCL
4 I2C_SCK
I2C_SDA AMP-REM
29
2 I2C_SIO
ANT-REM
BATT
FU601
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
16 BEEP
MECHA+6V 33 MECHA+6V
22 STB
PANEL+B 34 PANEL+B
25 DIAG
ACC CHECK
Q301
D801
BATT
D802
: CD
: FM
5 B.U+5V
: AUX
-1
J401
L
AUDIO OUT
REAR/SUB
R
-2
CN301
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
RR+
11
RR–
5
AMP-REM
6
ANT-REM
16
BATT
7
ACC