DOWNLOAD Sony XAV-7W Service Manual ↓ Size: 9.01 MB | Pages: 93 in PDF or view online for FREE

Model
XAV-7W
Pages
93
Size
9.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xav-7w.pdf
Date

Sony XAV-7W Service Manual ▷ View online

54
XAV-7W
Pin No.
Pin Name
I/O
Description
54
VCC
Power supply terminal (+5V)
55
ST-BY
O
Standby on/off control signal output to the power amplifier
“L”: standby mode, “H”: amplifier on
56
NS-MASK
O
Discharge control signal output terminal for the noise detection circuit   “H”: discharge
Not used
57
DDC-ON
O
System power supply on/off control signal output    “H”: power on
58
SIDEBRK
I
Sidebreake state detection signal input    “L”: at stopping, “H”: at running
59
RGB SEL
O
RGB signal selection signal output to the display controller    “L”: video, “H”: RGB (navi)
60
KEY ILL
O
Key illumination LED drive signal output    “H”: LED on
61
OPNCLS
I
OPEN/CLOSE key input terminal    When “L” is input, open the monitor
62
AMUTE
O
Audio line muting on/off control signal output to the monitor internal power amplifier
“L”: muting on    Not used
63
VSS
Ground terminal
64
NCO
O
Not used
65
PWM
I
For frequency counting signal input from the power control
66 to 68
NCO
O
Not used
69
FLASH-W
I
Internal flash memory data write mode detection signal input terminal    “L”: data write mode
70
I2C-SDA
I/O
Two-way data I2C bus with the tuner unit and electrical volume
71
I2C-SCL
I/O
I2C bus clock signal input/output to with tuner unit and electrical volume
72
RC-IN1
I
Rotary remote commander shift key input terminal    “L”: shift key on
73
X1A
O
Sub system clock output terminal (32.768 kHz)
74
X0A
I
Sub system clock input terminal (32.768 kHz)
75
DAVN
I
Synchronized detection signal of RDS data block input from the RDS decoder    “L”: active
Not used
76
NCO
O
Not used
77
BU IN
I
Battery detection signal input from the SONY bus interface
“L” is input at low voltage
78
NCO
O
Not used
79
KEY ACK
I
Input of acknowledge signal for the key entry    Acknowledge signal is input to accept function 
keys in the power off status    On at input of “H”
80
AD-ON
O
A/D converter power control signal output
When the KEY ACK (pin ul) that controls reference voltage power for key A/D conversion 
input is active, “L” is output from this terminal to enable the input
81
ACCIN
I
Accessory detect signal input    “L”: accessory on
82
BACK SEN
I
Back gear interrupt signal input terminal    “L” active    Not used
83
P-ON
O
Audio power supply on/off control signal output    “H”: power on
84
TEST-IN
I
Setting terminal for the test mode    “H”: test mode, Normally: fixed at “L”
85
RAM-BU
I
Internal RAM reset detection signal input from the reset signal generator
Input terminal to check that RAM data are not destroyed due to low voltage
This checking is made within 100 msec after reset
86
HSTX
I
Hardware standby input terminal    “L”: hardware standby mode    Reset signal input in this set
87
MD2
I
Setting terminal for the CPU operational mode (fixed at “L” in this set)
88, 89
MD1, MD0
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
90
RSTX
I
System reset signal input from the reset signal generator and reset switch    “L”: reset
“L” is input for several 100 msec after power on, then it changes to “H”
91
VSS
Ground terminal
92
X0
I
Main system clock input terminal (3.58 MHz)
93
X1
O
Main system clock output terminal (3.58 MHz)
94
VCC
Power supply terminal (+5V)
55
XAV-7W
Pin No.
Pin Name
I/O
Description
95
ILL-IN
I
Auto dimmer control illumination line detection signal input
“L” is input at dimmer detection
96
LODPLS
I
Motor rotation pulse signal input from the monitor open/close motor rotation detection sensor
97
MOPEN
O
Monitor open/close motor drive signal (open direction) output
98
MCLOSE
O
Monitor open/close motor drive signal (close direction) output
99
ANGSW
I
Monitor angle detection switch input terminal
100
MDSW
I
Monitor start standing detection switch input terminal
101
CLSW
I
Monitor close detection switch input terminal
102, 103
MCNT1, MCNT2
O
Monitor open/close motor drive power supply on/off control signal output    “H”: power on    
104, 105
DESTSEL1, 
DESTSEL2
I
Destination setting terminal
106
BOOT
O
Serial data output to the display controller    “L” is output when writing change
107
SA ENIN
I
Enable signal input for spectrum analyzer display to the display controller    “H”: active
108 to 110
NCO
O
Not used
111
REMSEL
O
Monitor key illumination color selection signal output terminal    Not used
112
ILL ON
O
Key illumination power supply on/off control signal output    “H”: power on    
113
MNTOPN
O
Remote control receiver selection signal output 
“L”: monitor is opened,  “H”: monitor is closed
114
TUNER-ON
O
Tuner system power supply on/off control signal output    “H”: tuner power on
115
LED SW1
O
Monitor selection signal output to the display controller
“L”: sub display,  “H”: main display
116
LED SW2
O
Monitor selection signal output to the display controller
“L”: main display,  “H”: sub display
117
TEL ATT
I
Telephone detection signal input terminal    At input of “H”, the signal is attenuated by –20 dB
118
DVD IN
I
DVD playback signal input terminal    Not used
119
VSS
Ground terminal
120
BACK CNT
O
Rear camera control signal output terminal    Not used
56
XAV-7W
• 
MAIN BOARD   IC900   HD6432398A07FWV (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
COBOX
O
Connection box connection detection signal output to the master controller
“L”: connection box no connected, “H”: connection box connected
2
NCO
O
Not used
3
VSS
Ground terminal
4
NC
Not used
5
VCC
Power supply terminal (+5V)
6 to 9
NCO
O
Not used
10
VSS
Ground terminal
11 to 18
NCO
O
Not used
19
VSS
Ground terminal
20 to 27
NCO
O
Not used
28
VSS
Ground terminal
29 to33
NCO
O
Not used
34
BU IN
I
Battery detection signal input from the SONY bus interface    “L” is input at low voltage
35, 36
VSS
Ground terminal
37
NCO
O
Not used
38
BUSON
I
Bus on/off control signal input from the master controller    “L”: bus on
39
VCC
Power supply terminal (+5V)
40
RGBVSEL
I
RGB signal selection signal input from the master controller    “L”: video, “H”: RGB (navi)
41
NCO
O
Not used
42
WIDE1
O
Liquid crystal display wide mode selection signal output to the liquid crystal display driver
(for monitor)    “L”: zoom/widezoom, “H”: normal/full
43
WIDE2
O
Liquid crystal display wide mode selection signal output to the liquid crystal display driver
(for monitor)    “L”: zoom/normal, “H”: widezoom/full
44
VSS
Ground terminal
45
NCO
O
Not used
46
LED SW1
I
Monitor selection signal input from the master controller
“L”: sub display, “H”: main display
47
LED SW2
I
Monitor selection signal input from the master controller
“L”: main display, “H”: sub display
48
OSDC TRE
I
Monitor input during transfer operation from the on screen display controller    “H” active
49
NCO
O
Not used
50
LINKOFF
O
Link on/off control signal output for the SONY bus    “H”: link off
51
DIMMER
O
Monitor dimmer on/off control signal output    “H”: dimmer on
52
LCDPW
O
Monitor power supply on/off control signal output    “H”: monitor power on
53
VSS
Ground terminal
54
OSDCRESET
O
Reset signal output to the on screen display controller    “L”: reset
55, 56
NCO
O
Not used
57
BOOT
I
Serial data input from the master controller    “L” is input when writing change
58
VCC
Power supply terminal (+5V)
59
LCD DI
O
Serial data output to the liquid crystal display driver
60
OSCDSO/TX
O
Serial data output to the on screen display controller
Output terminal for UART transfer data when writing into internal flash memory data
61
NCO
O
Not used
62
RX
I
Input terminal for UART transfer data when writing into internal flash memory data
63
LCDCKO
O
Serial data transfer clock signal output to the liquid crystal display driver
64
OSDCCKO
O
Serial data transfer clock signal output to the on screen display controller
57
XAV-7W
Pin No.
Pin Name
I/O
Description
65
VSS
Ground terminal
66
OSDCCE
O
Chip enable signal output to the on screen display controller    “L” active
67, 68
VSS
Ground terminal
69
LCD INH
O
Blank indicate control signal output to the liquid crystal display driver    “H”: display on
70
LCD CE
O
Chip enable signal output to the liquid crystal display driver    “H” active
71, 72
NCO
O
Not used
73
RGB COL
O
RGB color control signal output to the connection box
74
NCO
O
Not used
75
RGB HUE
O
RGB hue control signal output to the connection box
74
NCO
O
Not used
77
NP SEL
O
NTSC/PAL selection signal output to the connection box and liquid crystal display driver (for 
monitor)    “L”: PAL, “H”: NTSC
78
NCO
O
Not used
79
FL W
O
Flash memory data write control signal output
80
FWE
I
Flash memory data write enable signal input
81
SYSRST
I
System reset signal input from the master controller, reset signal generator and reset switch
“L”: reset    “L” is input for several 100 msec after power on, then it changes to “H”
82
NMI
I
Non maskable interrupt signal input terminal    Not used
83
STBY
I
Hard ware standby signal input terminal        “L”: Hard ware standby mode    Not used
84
VCC
Power supply terminal (+5V)
85
XTAL
O
System clock output terminal (18.432 MHz)
86
EXTAL
I
System clock input terminal (18.432 MHz)
87
VSS
Ground terminal
88
NCO
O
Not used
89
VCC
Power supply terminal (+5V)
90 to 94
NCO
O
Not used
95
SA CLK
O
Spectrum analyzer display serial data transfer clock signal output to the electrical volume
96
SA ENIN
I
Enable signal input for spectrum analyzer display from the master controller    “H”: active
97
UNISO
O
Serial data output to the SONY bus interface
98
UNISI
I
Serial data input from the SONY bus interface
99, 100
VSS
Ground terminal
101
UNISCK
I
Serial clock signal input from the master controller
102
NCO
O
Not used
103
AVCC
Power supply terminal (+5V) (for A/D, D/A converter)
104
VREF
I
Reference voltage (+5V) input terminal (for A/D, D/A converter)
105
SA DATA
I
Spectrum analyzer display serial data input from the electrical volume
106 to 110
NCO
O
Not used
111
BRIGHT
O
Monitor bright control signal output to the video interface (D/A output)
112
NCO
O
Not used
113
AVSS
Ground terminal (for A/D, D/A converter)
114
VSS
Ground terminal
115
NCO
O
Not used
116
VSYNC SSEP
I
Vertical sync signal input from the connection box
117
HSYNC SSEP
I
Horizontal sync signal input from the connection box
118
NCO
O
Not used
119
VSYNC MON
I
Vertical sync signal input from the liquid crystal display driver (for monitor)
120
HSYNC MON
I
Horizontal sync signal input from the liquid crystal display driver (for monitor)
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