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Diagrams; Block Diagram -Main Section - Sony CDX-GT25MPW Service Manual

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4-1.
BLOCK DIAGRAM – MAIN Section –
R-CH
J901
AUX
PHASE LOCKED LOOP
L6
FM MIX
J1
4 FMIN1
(ANTENNA)
3 FMIN2
L2
1 AMRFIN
16 XTAL1
X1
4MHz
15 XTAL2
CN701
AU_LCH
28
26
AU_RCH
DEC_SO
20
22
DEC_SCK
DEC_SI
21
DRV_ON
14
MEC_LOAD
13
MEC_EJECT
12
5
CDON_1500MV
3
MEC_INSW
MEC_LIMIT
2
CD
MEC_DSW
1
MECHANISM
DEC_INT
15
UNIT
16
DEC_XMUTE
(MG-101Y)
CD_ZDET
17
CD_XCCE
23
24
DEC_STBY
DEC_RST
25
4
MEC_SELFSW
6
AU_8V
7
VDD_3.3V
9
BU_+3.3V
10
DR_+6V
4
TXD
RXD
5
RESET
1
CN401
2
CLK
FLASH
PROGRAMMING
FLASH_W
7
3
BUSY
3.3V
6
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
SECTION 4

DIAGRAMS

9 AUX_LCH
R-CH
7 AUX_RCH
8 AUX_GND
(PLL)
IC001
4 TU_LCH
LOUT
8
ROUT
9
R-CH
R-CH
3 TU_RCH
6 CD_LCH
R-CH
5 CD_RCH
I2C_SCK
SCL
18
I2C_SIO
SDA
19
R-CH
22
23
24
37
38
39
40
42
43
44
45
49
51
52
53
54
75
31
32
AUDIO+8.5V
SERVO+3.3V
33
BU+3.3V
9
MECHA+6V
34
BU+3.3V
ELECTRONIC VOLUME
IC302
OUT_ SLCH
30
OUT_SRCH
31
R-CH (REAR/SUB)
MUTE
Q102
OUT_FLCH
34
OUT_RLCH
32
OUT_FRCH
35
R-CH (FRONT)
OUT_RRCH
33
R-CH (REAR)
I2C_SCK
I2C_SCK
37
I2C_SIO
I2C_SIO
38
MUTE DRIVE
Q303,304
SYSTEM CONTROL
IC401 (1/2)
I2C_SCK
I2C_SCK
29
I2C_SIO
I2C_SIO
30
ATT
58
BEEP
28
DEC_SI
AMPSTB
60
DEC_SCK
DIAG
59
DEC_SO
DRV_ON
MEC_LOAD
MEC_EJECT
CDON_1500MV
TELATT
56
MEC_INSW
MEC_LIMIT
MEC_DSW
DEC_INT
DEC_XMUTE
ACC_IN
57
CD_ZDET
CD_XCCE
BACK-UP
DEC_SSTBY
BU_IN
19
CHECK
DEC_RST
D806,807,Q802,807,808
MEC_SELFSW
FW_TXD
FW_RXD
FW_CLK
CNVSS
12
FW_BUSY
RESET
BU+3.3V
4
1
VOUT
15
15
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
12 IN-FL
OUT-FL+
5
OUT-FL–
3
11 IN-RL
OUT-RL+
9
MUTE
MUTE
OUT-RL–
7
Q104
Q103
R-CH
D306
BATT
I2C_SCK
4 I2C_SCK
I2C_SIO
AMP-REM
29
2 I2C_SIO
ANT-REM
27
BATT
VP
35
VP1
20
VP2
6
BU+B
37
AUDIO+B
30
SERVO+3.3V
31
16 BEEP
MECHA+6V
33
22 STB
PANEL+B
34
25 DIAG
TEL-ATT
DETECT
Q806
ACC DETECT
Q805
BATT
+3.3V REG
5
BU+5V
IC402
: CD
: FM
RESET
IC403
: AM/MW/LW/SW
: AUX
VIN 2
BU+3.3V
J301
AUDIO
-1
OUT
L
-2
REAR/SUB
R-CH
R
CN802
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
R-CH
3
RR+
11
RR–
5
AMP-REM
6
ANT-REM
FU601
16
BATT
BU+5V
AUDIO +8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
RU MODEL
13
TEL-ATT
7
ACC

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