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Model
CDX-GT300 CDX-GT300EE CDX-GT300S CDX-GT30W CDX-GT350 CDX-GT350S CXS-G3569FS
Pages
58
Size
6.25 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt300-cdx-gt300ee-cdx-gt300s-cdx-gt30w-cdx-gt3.pdf
Date
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Sony CDX-GT300 / CDX-GT300EE / CDX-GT300S / CDX-GT30W / CDX-GT350 / CDX-GT350S / CXS-G3569FS Service Manual ▷ View online

37
CDX-GT30W/GT300/GT300EE/GT300S/GT350/GT350S
IC401  TDA7419TR (MAIN Board (1/2))
2
3
1
4
5
6
7
SUPPLY
I2C BUS
DIGITAL CONTROL
INPUT
MULTIPLEXER
15
18
17
16
19
20
21
22
23
24
27
25
26
28
8
9
10
11
12
13
14
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
SUBWOOFER
L.P.F
MIX
MIX
HPF
BUSS
MIDDLE
SPECTRUM
ANALYZER
TREBLE
SOFTSTEP
VOLUME
IN GAIN
AUTO ZERO
SOFT
MUTE
LOUDNESS
HPF
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
ACOUTR
ACINR
ACINL
ACOUTL
AC2INL
AC2INR
SE2L
SE2R
SE1L
SE1R
DIFFL
DIFFG
DIFFR
CREF
GND
OUTLR2
OUTRF
OUTRR1
OUTLR1
OUTLF
MUTE
SCL
SDA
VDD
SAIN
SAOUT
VREF
OUTRR2
38
CDX-GT30W/GT300/GT300EE/GT300S/GT350/GT350S
• IC PIN DESCRIPTIONS
• IC3  MB90486BPFV-G-177E1 (CD SYSTEM CONTROL) (SERVO BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
CDON_1500MV
O
Servo 1.5 V power supply control signal output
2 to 5
NC
—
Not used. (Open)
6
DRVON
O
Motor drive mute signal output
7
CD_BUS0
I/O
Bus data input/output 0
8
CD_BUS1
I/O
Bus data input/output 1
9
VSS
—
Ground
10
CD_BUS2
I/O
Bus data input/output 2
11
CD_BUS3
I/O
Bus data input/output 3
12
CD_BUCK
O
Bus clock signal output
13
CD_XCCE
O
Chip enable signal output
14
CD_XRST
O
Reset signal output
15
CD_ZDET
I
Zero detection signal input
16 to 20
NC
—
Not used. (Open)
21
VCC
—
Power supply pin (+3.3 V)
22
DAC_ZDETL
I
Zero data detection signal input (L-ch) (Connected to Vss)
23
DAC_ZDETR
I
Zero data detection signal input (R-ch) (Connected to Vss)
24
NC
—
Not used. (Open)
25
RXD
I
UART RXD data input (MCBUS/Flash data input)
26
TXD
O
UART TXD data output (MCBUS/Flash data output)
27
DEC_SSTBY
O
SRAM STANDBY mode control signal output
28, 29
NC
—
Not used. (Open)
30
DEC_INT
I
Request signal input
31, 32
NC
—
Not used. (Open)
33
AVCC
—
Power supply pin (+3.3 V) for A/D converter
34
AVRH
—
External reference voltage for A/D converter
35
AVSS
—
Ground
36
NC
—
Not used. (Open)
37
DEC_XMUTE
O
Mute signal output    L: mute
38, 39
NC
—
Not used. (Open)
40
VSS
—
Ground
41
NC
—
Not used. (Open)
42
MEC_LIMIT
I
Sled limit in detection switch signal input
43
MEC_LOAD
O
Loading motor signal output (Load direction)
44
MEC_EJECT
O
Loading motor signal output (Eject direction)
45
MEC_INSW
I
Pack-in detection signal input
46
MEC_DSW
I
Chucking end detection switch signal input
47, 48
MD0, MD1
I
CPU operation mode designation signal input (Connected to Vcc.)
49
MD2
I
CPU operation mode designation signal input (Connected to Vss.)
50
BUS_ON
I
Bus on signal input    L: bus on
51
BU_IN
I
Backup on/off signal input    H: backup on, L: backup off
52
NC
I
Not used. (Open)
53
MEC_SELFSW
I
Disc insert detection switch signal input    L: disc in interruption
54, 55
NC
—
Not used. (Open)
56
UNISI
I
Serial data input
57
UNISO
O
Serial data output
58
UNICKI
I
Serial clock input
59
LINEOFF
O
Line off signal output
60
A_ATT
O
Audio attenuation signal output    H: ATT on
39
CDX-GT30W/GT300/GT300EE/GT300S/GT350/GT350S
61
XFLASH&EJECT_OK
I
Front panel open signal input    H: eject
62
OPEN_REQ
O
Front panel open/close request signal output    Not used in this set.
63
MECON
O
Mechanism deck power supply control signal output
64
CDON
O
Servo power supply control signal output
65
XUART
I
Sony-Bus/MC-Bus change signal input    H: Sony-Bus, L: MC-Bus
66
ZMUTE
O
Zero detection mute signal output
67
MECON_CHK
I
MECHA +6V power rising detection signal input
68
CDON_CHK
I
SERVO +3.3V power rising detection signal input
69 to 74
NC
—
Not used. (Open)
75
RSTX
I
System reset signal input
76
NC
—
Not used. (Open)
77
X1A
—
Sub-clock OUTPUT    Not used in this set. (Open)
78
X0A
—
Sub-clock INPUT    Not used in this set. (Connect to Vss.)
79
VSS
—
Ground
80
X0
I
Main-clock INPUT (12 MHz)
81
X1
O
Main-clock OUTPUT (12 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83
XWD
I
Not used in this set. (Open)
84
XINIT3
I
Not used in this set. (Open)
85
NC
—
Not used. (Open)
86
XSJIG
I
Not used in this set. (Open)
87 to 89
XINIT0 to 2
I
Not used in this set. (Open)
90 to 96
NC
—
Not used. (Open)
97
XDES
I
Destination setting pin
98
XLINE
I
Not used in this set. (Open)
99, 100
NC
—
Not used. (Open)
Pin No.
Pin Name
I/O
Pin Description
40
CDX-GT30W/GT300/GT300EE/GT300S/GT350/GT350S
• IC501  MB90F488BPF-G-9003E1 (SYSTEM CONTROL) (MAIN BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL2
I
Destination setting pin
2
AREASEL1
I
Destination setting pin
3
AREASEL0
I
Destination setting pin
4
611_SEL
I
611WA/611TA setting pin
5
BEEP
O
Beep signal output
6
NCO
O
Not used (Open)
7
NOSE_SW
I
Front panel detect signal input
8
DIAG
I
Power AMP status signal input
9
VOLATT
O
Electronic volume attenuate control signal output
10
CYRIL_SEL
I
CYRIL/NON-CYRIL Setting pin
11
VSS
—
Ground
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output
14
WMA
I
WMA mode setting pin
15
LCD_SEL
I
Illumination voltage setting pin
16
NCO
O
Not used (Open)
17
FUNC_SEL
O
BUS AUDIO IN/TUNER select signal output
18
NCO
O
Not used (Open)
19
NCO
O
Not used (Open)
20
NCO
O
Not used (Open)
21
NCO
O
Not used (Open)
22
NCO
O
Not used (Open)
23
VCC5
—
Power supply pin (+3.3V)
24
EEP_SIO
I/O
EEPROM bus serial data input/output
25
EEP_CKO
O
EEPROM bus serial clock output
26
AMPSTB
O
Power AMP standby signal output
27
LCD_CE/FLS_SI
O
LCD driver chip enable output
28
LCD_SO/FLS_SO
O
LCD driver serial data output
29
LCD_CKO
O
LCD driver serial clock output
30
RDSON
O
RDS ON signal output
31
NCO
O
Not used (Open)
32
NCO
O
Not used (Open)
33
I2C_CKO
O
I2C bus serial clock output
34
I2C_SIO
I/O
I2C bus serial data input/output
35
DAVDD
—
A/D converter power supply pin (+3.3V)
36
AVRH
—
A/D converter reference voltage supply pin (+3.3V)
37
DAVSS
—
Ground
38
QUALITY
I
Noise detect signal input
39
VSM
I
S-meter voltage detect signal input
40
KEYIN1
I
Key signal input
41
KEYIN0
I
Key signal input
42
VSS
—
Ground
43
RC_IN0
I
Rotary commander key signal input
44
SA_IN
I
Spectrum analyzer data input
45
SA_CKO
O
Spectrum analyzer clock output
46
DOOR_IND
O
Door indicator on/off signal output
47
RE-1
I
Rotary encoder (Volume) signal input
48
RE-0
I
Rotary encoder (Volume) signal input
49
MD0
I
Operation mode setting pin
Page of 58
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