Sony XAV-7W (serv.man2) Service Manual ▷ View online
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
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”
“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
Hardware standby signal input terminal “L”: hardware 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)
58
XAV-7W
Pin No.
Pin Name
I/O
Description
121
NCO
O
Not used
122
OSDC DISP
O
Display outputs control signal output to the on screen display controller Not used
123 to 125
MD0 to MD2
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
126, 127
NCO
O
Not used
128
AV SEL
O
Audio/visual output selection signal output
“L”: visual (external input (TV, video, navi)), “H”: audio (RGB (OSD))
“L”: visual (external input (TV, video, navi)), “H”: audio (RGB (OSD))
59
XAV-7W
•
MONITOR BOARD IC401 LZ9GJ24 (LIQUID CRYSTAL DISPLAY DRIVER (FOR MONITOR))
Pin No.
Pin Name
I/O
Description
1
VIN
I
Vertical sync signal input (positive polarity)
2
CVOP
O
Vertical sync isolation signal output
3
MON E
O
Test setting output terminal Not used
4
HSY
O
Horizontal sync signal output to the on screen display controller, video interface and display
controller (negative polarity)
controller (negative polarity)
5
VDD
—
Power supply terminal (+5V)
6
FRPT
O
Polarity inversion signal output for opposite electrode to the video interface
7
SYNI
I
Composite sync signal input from the video interface
8
FRPV
O
Polarity inversion signal output for video signal to the video interface
9
GND
—
Ground terminal
10
VCS
O
Mask signal output for normal mode to the video interface
11
NTPC
I
NTSC/PAL selection signal input from the display controller “L”: PAL, “H”: NTSC
12
VSY
O
Vertical sync signal output to the on screen display controller and display controller
13
HRVC
I
Horizontal scanning direction setting input terminal Fixed at “H” in this set
14
VRVC
I
Vertical scanning direction setting input terminal Fixed at “L” in this set
15
CLKC
I
Clock/synchronizing signal input/output setting input terminal
“L”: HSY (pin 4), VSY (pin qs), EXCL (pin qk) are input mode
“H”: HSY (pin 4), VSY (pin qs), EXCL (pin qk) are output mode
Fixed at “H” in this set
“L”: HSY (pin 4), VSY (pin qs), EXCL (pin qk) are input mode
“H”: HSY (pin 4), VSY (pin qs), EXCL (pin qk) are output mode
Fixed at “H” in this set
16
MDS
I
Display mode setting input terminal Fixed at “H” in this set
17
GND
—
Ground terminal
18
EXCL
O
External clock signal output terminal Not used
19
GND
—
Ground terminal
20
MDW
I
Liquid crystal display wide mode selection signal input from the display controller
“L”: zoom/widezoom, “H”: normal/hull
“L”: zoom/widezoom, “H”: normal/hull
21
MDN
I
Liquid crystal display wide mode selection signal input from the display controller
“L”: zoom/normal, “H”: widezoom/hull
“L”: zoom/normal, “H”: widezoom/hull
22
PWM
O
Back light control signal output terminal Not used
23
MON F
O
Test setting output terminal Not used
24
VSWC
O
VSWO (pin wh) output control signal input terminal
“L”: superposed VCS signal on inversion of VSWI (pin wg) output
“H”: inversion of VSWI (pin wg) output Fixed at “H” in this set
“L”: superposed VCS signal on inversion of VSWI (pin wg) output
“H”: inversion of VSWI (pin wg) output Fixed at “H” in this set
25
VSWI
I
Video system selection signal input terminal Not used
26
VSWO
O
Video system selection signal output terminal Not used
27
VDD
—
Power supply terminal (+5V)
28
SPOI
I/O
Source driver start signal input/output with the liquid crystal display
29
GND
—
Ground terminal
30
PCP
O
Test setting output terminal Not used
31
CLOC
O
EXCL (pin qk) output mode selection signal input terminal
“L”: CLD signal output at EXCL (pin qk) output mode (CLCK pin qg: “H”)
“H”: “L” output at EXCL (pin qk) output mode (CLCK pin qg: “H”)
Fixed at “H” in this set
“L”: CLD signal output at EXCL (pin qk) output mode (CLCK pin qg: “H”)
“H”: “L” output at EXCL (pin qk) output mode (CLCK pin qg: “H”)
Fixed at “H” in this set
32
MOD2
O
Gate driver control signal output to the liquid crystal display
33
HR
O
Source driver horizontal scanning setting output to the liquid crystal display
34
IHR
O
Source driver horizontal scanning setting output terminal Not used
35
PS
O
Source driver control signal output to the liquid crystal display
36
CTR
O
Source driver control signal output to the liquid crystal display
37
SPIO
I/O
Source driver start signal input/output with the liquid crystal display
60
XAV-7W
Pin No.
Pin Name
I/O
Description
38
PDP
O
Phase comparation output terminal
39
GND
—
Ground terminal
40
MON
O
Test setting output terminal Not used
41, 42
GND
—
Ground terminal
43
OSCO
O
Clock oscillator circuit output terminal
44
OSCI
O
Clock oscillator circuit input terminal
45
VDD
—
Power supply terminal (+5V)
46
GND
—
Ground terminal
47
CLD
O
Source driver clock signal output to the liquid crystal display
48
TST1
I
Test setting input terminal Fixed at “H” in this set
49
RESH
I
Horizontal counter reset signal input terminal Not used
50
RESV
I
Vertical counter reset signal input terminal Not used
51
TST2
I
Test setting input terminal Fixed at “H” in this set
52
TEST
I
Test setting input terminal Fixed at “H” in this set
53 to 56
MON A to MON D
O
Test setting output terminal Not used
57
CLS
O
Gate driver clock signal output to the liquid crystal display
58
SPS
O
Gate driver reset signal output to the liquid crystal display
59
VR
I
Gate driver scanning input from the liquid crystal display
60
MOD1
O
Gate driver control signal output to the liquid crystal display
61
TEST
I
Test setting input terminal Fixed at “L” in this set
62, 63
GND
—
Ground terminal
64
GPS
O
Gate power supply signal output terminal Not used
65
LOWI
I
Gate driver control signal input terminal Not used
66
ABC
I
Output setting input terminal
“L”: VSWO (pin wh), GPS (pin yf), SYNO (pin us) are “L” output mode
“H”: VSWO (pin wh), GPS (pin yf), SYNO (pin us) are normal output mode
Fixed at “L” in this set
“L”: VSWO (pin wh), GPS (pin yf), SYNO (pin us) are “L” output mode
“H”: VSWO (pin wh), GPS (pin yf), SYNO (pin us) are normal output mode
Fixed at “L” in this set
67
VDD
—
Power supply terminal (+5V)
68
GND
—
Ground terminal
69
DVTC
I
Test setting input terminal Fixed at “H” in this set
70
BLKI
I
Double-sided position adjustment signal input terminal
71
BLKO
O
Double-sided position adjustment signal output terminal
72
SYNO
O
Composite sync signal output terminal Not used
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