Read Sony XAV-7W (serv.man2) Service Manual online
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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