Sony XAV-7W (serv.man2) Service Manual ▷ View online
53
XAV-7W
•
MAIN BOARD IC703 MB90F574APMT-G-388-BND1 (MASTER CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
COBOX ST
I
Connection box connection detection signal input from the display controller
“L”: connection box no connected, “H”: connection box connected
“L”: connection box no connected, “H”: connection box connected
2 to 4
NCO
O
Not used
5
ATT
O
Audio line and power amplifier muting on/off control signal output “H”: muting on
6
SYSRST
O
Reset signal output to the SONY bus interface and display controller “L”: reset
7
NCO
O
Not used
8
VCC
—
Power supply terminal (+5V)
9
NCO
O
Not used
10
TROM-SDA
I/O
Two-way data EEPROM bus with the tuner unit
11
TROM-SCL
I/O
EEPROM bus clock signal input/output with the tuner unit
12
RX
I
Input terminal for UART transfer data when writing into internal flash memory data
13
TX
O
Output terminal for UART transfer data when writing into internal flash memory data
14
BUS-ON
O
Bus on/off control signal output to the SONY bus interface and display controller
“L”: bus on
“L”: bus on
15
BEEP
O
Beep sound drive signal output
16
NAVI-ATT
I
Muting on/off control signal input at voice guide “H”: muting on Not used
17
UNISI
I
Serial data input from the SONY bus interface
18
UNISO
O
Serial data output to the SONY bus interface
19
UNICLK
O
Serial clock signal output to the SONY bus interface and display controller
20
MVOL RST
O
Reset signal output to the monitor internal electrical volume “L”: reset Not used
21
MVOL DAT
O
Serial data output to the monitor internal electrical volume Not used
22
MVOL CLK
O
Serial data transfer clock signal output to the monitor internal electrical volume Not used
23
NCO
O
Not used
24
SIRCS
I
Sircs remote control signal input
25 to 30
NCO
O
Not used
31
E-VOL-ATT
O
Muting on/off control signal output to the electrical volume “L”: muting on Not used
32
NCO
O
Not used
33
VSS
—
Ground terminal
34
C
—
Connected to coupling capacitor for the power supply
35
ADSO1
O
ADSO control signal output “L”: ADSO off/ADSO 1, “H”: ADSO 2/ADSO 3
36
ADSO2
O
ADSO control signal output “L”: ADSO off/ADSO 2, “H”: ADSO 1/ADSO 3
37
SHIFT
O
Oscillation frequency shift signal output to the power control
38
DVCC
—
Power supply terminal (+5V) (for D/A converter)
39
DVSS
—
Ground terminal (for D/A converter)
40, 41
NCO
O
Not used
42
AVCC
—
Power supply terminal (+5V) (for A/D converter)
43
AVRH
I
Reference voltage (+5V) input terminal (for A/D converter)
44
AVRL
I
Reference voltage (0V) input terminal (for A/D converter)
45
AVSS
—
Ground terminal (for A/D converter)
46, 47
KEYIN0, KEYIN1
I
Key input terminal (A/D input)
48
RC-IN0
I
Rotary remote commander key input terminal (A/D input)
49
KEYIN2
I
Key input terminal (A/D input)
50
QUALITY
I
Noise level detection signal input at SEEK mode (A/D input)
51
NCO
O
Not used
52
MPTH
I
Multi-path detection signal input terminal (A/D input) Not used
53
S-METER
I
FM and AM signal meter voltage detection signal input from the tuner unit
(A/D input)
(A/D input)
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
“L”: standby mode, “H”: amplifier on
56
NS-MASK
O
Discharge control signal output terminal for the noise detection circuit “H”: discharge
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
62
AMUTE
O
Audio line muting on/off control signal output to the monitor internal power amplifier
“L”: muting on Not used
“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, RDS decoder and electrical volume
71
I2C-SCL
I/O
I2C bus clock signal input/output to with tuner unit , RDS decoder 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
76
NCO
O
Not used
77
BU IN
I
Battery detection signal input from the SONY bus interface
“L” is input at low voltage
“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”
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
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 detection 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
“L”: RAM clear, “H”: RAM destruction check
Input terminal to check that RAM data are not destroyed due to low voltage
“L”: RAM clear, “H”: RAM destruction check
86
HSTX
I
Hardware standby signal input terminal “L”: hardware standby mode
Reset signal input in this set
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”
“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
“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 control signal (open direction control) output “H” active
98
MCLOSE
O
Monitor open/close motor control signal (close direction control) output “H” active
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
Flash memory data write control signal output to the display controller “L”: data write mode
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
“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
“L”: sub display, “H”: main display
116
LED SW2
O
Monitor selection signal output to the display controller
“L”: main display, “H”: sub display
“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
V.MUTE
O
Video muting on/off control signal output to the RGB/OSD select switch “H”: muting on
119
VSS
—
Ground terminal
120
V.MUTE
O
Video muting on/off control signal output to the on screen display controller “L”: muting on
56
XAV-7W
•
MAIN BOARD IC900 HD6432398A10FWV (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
“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 to 33
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
(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
(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
“L”: sub display, “H”: main display
47
LED SW2
I
Monitor selection signal input from the master controller
“L”: main display, “H”: sub display
“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
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
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