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Model
XAV-742
Pages
62
Size
7.6 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xav-742.pdf
Date
PREV: Sony CDX-G1003ER / CDX-G1003UR / CDX-G1053UR (serv.man3) Service Manual

Sony XAV-742 Service Manual ▷ View online

XAV-742
45
•  IC Pin Function Description
MAIN  BOARD  IC201  
PD720114GA-YEU-A-SAK (USB  INTERFACE)
Pin No.
Pin Name
I/O
Description
1
VDD25OUT
O
Internal regulator power supply voltage (+2.5V) output terminal
2
VSSREG
-
Ground terminal (for internal regulator)
3 to 6
LED4 to LED1
-
Not used
7
GREEN
-
Not used
8
AMBER
-
Not used
9
VDD33
-
Power supply terminal (+3.3V)
10
X1
I
System clock input terminal (30 MHz)
11
X2
O
System clock output terminal (30 MHz)
12
VDD25
-
Power supply terminal (+2.5V)
13
BUS_B
I
Power supply setting terminal    Fixed at “H” in this unit
14
TEST
I
Test mode control signal input terminal
15
RREF
-
Reference resistor connection terminal
16
AVSS (R)
-
Ground terminal
17
AVDD
-
Power supply terminal (+2.5V)
18
AVSS
-
Ground terminal
19
AVDD
-
Power supply terminal (+2.5V)
20
VDD33
-
Power supply terminal (+3.3V)
21
DMU
I/O
Two-way USB data (negative) bus with the panel section
22
DPU
I/O
Two-way USB data (positive) bus with the panel section
23
VSS
-
Ground terminal
24
VDD25
-
Power supply terminal (+2.5V)
25
DM1
I/O
Two-way USB data (negative) bus with the connection cord
26
DP1
I/O
Two-way USB data (positive) bus with the connection cord
27
VSS
-
Ground terminal
28
DM2
I/O
Two-way USB data (negative) bus terminal    Not used
29
DP2
I/O
Two-way USB data (positive) bus terminal    Not used
30
VDD33
-
Power supply terminal (+3.3V)
31
DM3
I/O
Two-way USB data (negative) bus terminal    Not used
32
DP3
I/O
Two-way USB data (positive) bus terminal    Not used
33
VDD25
-
Power supply terminal (+2.5V)
34
DM4
I/O
Two-way USB data (negative) bus with the connection cord
35
DP4
I/O
Two-way USB data (positive) bus with the connection cord
36
VSS
-
Ground terminal
37
SYSRSTB
I
Power supply on/off control signal input form the system controller    “H”: power on
38
PPB4
-
Not used
39
CSB4
-
Not used
40
PPB3
-
Not used
41
CSB3
-
Not used
42
VSS
-
Ground terminal
43
PPB2
-
Not used
44
CSB2
-
Not used
45
PPB1
-
Not used
46
CSB1
-
Not used
47
VBUSM
I
VBUS monitor terminal    Not used
48
VDD33REG
I
Internal regulator power supply voltage (+3.3V) input terminal
XAV-742
46
Pin No.
Pin Name
I/O
Description
1
SPEED_IN
I
Speed pulse signal input terminal    Not used
2
SIRCS
I
SIRCS signal input from the panel section
3
MHL_OVER
I
MHL over current detection signal input terminal    Not used
4
MODEL_SEL2
I
Model setting terminal
5
NCO
-
Not used
6
BYTE
I
External data bus width selection signal input terminal    Fixed at “L” (16 bit) in this unit
7
FLASH_W
I
Flash writing terminal    “L”: normally operation mode, “H”: writing mode
8
XCIN
I
Low-speed system clock input terminal (32.768 kHz)
9
XCOUT
O
Low-speed system clock output terminal (32.768 kHz)
10
RESET
I
System reset signal input from the reset signal generator and panel section    “L”: reset
11
XOUT
O
High-speed system clock output terminal (6 MHz)
12
VSS
-
Ground terminal
13
XIN
I
High-speed system clock input terminal (6 MHz)
14
VCC
-
Power supply terminal (+3.3V)
15
NMI
I
Non-maskable interrupt signal input terminal    Fixed at “H” in this unit
16
MODEL_SEL4
I
Model setting terminal
17
BU_IN
I
Back up power supply detection signal input terminal    “H”: back up power on
18
MHL_ON
O
MHL power supply on/off control signal output terminal    Not used
19
REVERSE_IN
I
Reverse shift position detection signal input terminal    “L”: reverse shift position
20
NAVI/XM_Rx
I
Serial data input from the EXT connector for external navigation (E (PAL) model only)
21
VOL_ATT
O
Audio muting on/off control signal output to the electrical volume    “L”: muting on
22
NAVI/XM_Tx
O
Serial data output to the EXT connector for external navigation (E (PAL) model only)
23
NAVI_DET
I
External navigation detection signal input terminal    “L”: navigation is detected 
(E (PAL) model only)
24
FSW_OUT
O
External sync signal output to the DC/DC converter, line amplifi er and panel section
25
STB
O
Standby signal output to the power amplifi er    “L”: standby
26
BEEP
O
Beep sound output to the power amplifi er
27
I2C_SCK
O
I2C clock signal output to the electrical volume, EEPROM and power amplifi er
28
I2C_SIO
I/O
Two-way I2C data bus with the electrical volume, EEPROM and power amplifi er
29
FLASH_Tx
O
Serial data output to the fl ash writing connector
30
FLASH_Rx
I
Serial data input from the fl ash writing connector
31
F_CLK
O
Serial data transfer clock signal output terminal    Not used
32
BUSY
O
Busy signal output terminal    Not used
33
HIT2_SDA
I/O
Two-way I2C data bus with the tuner unit
34
HIT2_SCL
O
I2C clock signal output to the tuner unit
35
DIAG
I
Diagnostic signal input from the power amplifi er
36
XM_EN
O
Power supply on/off control signal output terminal    Not used
37
ZxZ_ATT
O
ZxZ audio muting on/off control signal output terminal
38
NCO
-
Not used
39
HOLD
I
External data bus terminal at the fl ash writing mode    Fixed at “L” in this unit
40
HIT2_RST
O
Reset signal output to the tuner unit    “L”: reset
41
MHL/EXT_SEL
O
MHL/EXT selection signal output terminal    Not used
42
PARKING_IN
I
Side brake (parking brake) position detection signal input terminal    “L”: brake on
43
ACCIN
I
Accessory power supply detection signal input terminal    “L”: accessory power on
44
WRI/WR
I
External data bus terminal at the fl ash writing mode    Fixed at “H” in this unit
45
MECHA_Tx
O
Serial data output to the DVD mechanism deck block
46
MECHA_Rx
I
Serial data input from the DVD mechanism deck block
47
ATT_CNT
O
Audio muting on/off control signal output terminal    Not used
48
MECHA_RTS
I
Request to send signal input from the DVD mechanism deck block
49
ATT
O
System muting on/off control signal output terminal    “H”: muting on
50
SERVICE
I
Setting teminal for service    “L”: for service, “H”: normal operation
51
EXTATT_XEN
O
External input audio muting on/off control signal output terminal    
“L”: disc play, “H”: other source play or source off
52
Z_MUTE
I
Zero data muting on/off control signal input from the DVD mechanism deck block    
“H”: muting on
53
SELF_SW
I
Self loading position detection switch input terminal
54
IN_SW
I
Disc insert detection switch input terminal
55
D_SW
I
Chucking end detection switch input terminal
56
MECHA_RESET
O
Reset signal output to the DVD mechanism deck block    “L”: reset
MAIN  BOARD  IC502  R5F3650KCDZ92FB (SYSTEM  CONTROLLER)
XAV-742
47
Pin No.
Pin Name
I/O
Description
57
MECHA_CTS
O
Clear to send signal output to the DVD mechanism deck block
58
CDP/SDP
O
VBUS charging mode selection signal output to the USB charging controller
“L”: not current 1.5 A, “H”: current 1.5 A
59
MHL_DET
I
MHL detection signal input terminal    Not used
60
VCC
-
Power supply terminal (+3.3V)
61
AP_RESET
O
Reset signal output to the panel section    “L”: reset
62
VSS
-
Ground terminal
63
AP_ON
O
Power supply on/off control signal output to the DC/DC converter    “H”: power on
64
ILL_IN
I
Illumination line detection signal input terminal for the automatic dimmer control    
“L”: dimmer on
65
NCO
-
Not used
66
EJECT
O
Loading motor drive signal (eject direction) output terminal    “H”: motor on
67
LOAD
O
Loading motor drive signal (loading direction) output terminal    “H”: motor on
68
DR_ON
O
Power supply on/off control signal output terminal for loading motor driver    “H”: power on
69
VMUTE
O
Video muting on/off control signal output to the video select IC    “L”: muting on
70, 71
SEL_VOUT0, 
SEL_VOUT1
O
Video signal selection signal output to the video select IC
72
NOSE_SW
I
Error signal input from the front panel section    “L”: normal mode
73, 74
SEL_VIN0, SEL_VIN1
O
Video signal selection signal output to the video select IC
75
AP_Tx
O
Serial data output to the panel section
76
AP_Rx
I
Serial data input from the panel section
77
EN_SYS
O
Power supply on/off control signal output terminal for DC/DC converter    “H”: power on
78
MHL_RST
O
MHL reset signal output terminal    Not used
79
USB_ON1
O
Power supply on/off control signal output terminal for USB section    “H”: power on
80
USB_OVER
I
USB over current detection signal input from the DC/DC converter    “L”: over current
81
RE_0
I
Jog dial pulse input from the panel section (for volume)
82
POSITION
I
Front panel position detection signal input from the motor section
83
IDET
I
Monitor open/close motor drive current detection signal input from the motor section
84
TEMP
I
Temperature detection signal input from the motor section
85
KEY_IN0
I
Front panel key input terminal (A/D input)
86
RC_IN0
I
Rotary commander key input terminal (A/D input)
87
RCACK
I
Acknowledge signal (wake up signal) input terminal for the rotary commander key entry    
Acknowledge signal is input to accept any function key in the standby state    On at input of “H”
88
KEYACK
I
Acknowledge signal (wake up signal) input terminal for the front panel key entry    
Acknowledge signal is input to accept any function key in the standby state    On at input of “H”
89
RC_IN1
I
Rotary commander key input terminal
90
M_LOW
O
Monitor open/close speed (low) control signal output to the motor section
91
M_MID
O
Monitor open/close speed (middle) control signal output to the motor section
92
USB_ON2
O
Power supply on/off control signal output terminal for USB section    “H”: power on
93
CLOSE
I
Monitor close detection switch input terminal
94
AVSS
-
Ground terminal
95
MOTOR_ON
O
Power supply on/off control signal output to the motor section    “H”: power on
96
VREF
I
Reference voltage (+3.3V) input terminal (for A/D converter)
97
AVCC
-
Power supply terminal (+3.3V)
98
MOTOR_+
O
Monitor open/close motor drive signal (forward direction) output to the motor section
99
MOTOR_-
O
Monitor open/close motor drive signal (reverse direction) output terminal    Not used
100
NCO
-
Not used
48
XAV-742
SECTION  6
EXPLODED  VIEWS
 1 
X-2585-698-1 PANEL 
(SUB7) 
ASSY
 2 
4-444-474-01 CUSHION 
(SUB7)
 3 
3-042-244-51 SCREW 
(T)
  4 
2-892-794-02  SCREW +Z M2X3
  5 
A-1971-217-A  LID (DIPLAY) PC BOARD ASSY
  CNC1 
1-839-912-11  CORD, CONNECTION (20P) (REVERSE IN/
SUB OUT/FRONT AUDIO OUT/REAR AUDIO OUT/
AUX1 AUDIO IN/AUX2 AUDIO IN)
  PW1 
1-839-626-11  CONNECTION CORD (ISO) (POWER) (RU)
  PW1 
1-846-998-11  CONNECTION CABLE, AUTOMOBILE (POWER) 
(E (PAL))
  #1 
7-685-792-01  SCREW +PTT 2.6X6 (S)
  #5 
7-685-792-09  SCREW +PTT 2.6X6 (S)
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
Note:
•  -XX and -X mean standardized parts, so 
they may have some difference from the 
original one.
•  Items marked “*” are not stocked since 
they are seldom required for routine ser-
vice. Some delay should be anticipated 
when ordering these items.
•  The mechanical parts with no reference 
number in the exploded views are not sup-
plied.
•  Color Indication of Appearance Parts Ex-
ample:
  KNOB, BALANCE (WHITE) . . . (RED)
   
 
 
   
 
Parts Color  Cabinet’s Color
6-1.  OVERALL  SECTION
not supplied
2
4
4
2
3
5
chassis main section
front panel section
DVD mechanism deck section
(MG-614D-189)
PW1
A
#5
#5
#1
#1
#1
#1
#1
CNC1
1
not supplied
A
• Abbreviation
  RU 
: Russian model
Note: The service manual of the mechanism deck, used in this model, 
has been issued in a separate volume.  Please refer to the service 
manual of the MG-614 series for the mechanism deck informa-
tion.
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