Panasonic CQ-VD7001U Service Manual page 8

CQ-VD7001U
9.2. TFT Block
IC401 : C2BBFD000592
PIN Name
No.
1 UCOM 5V In connection with VDD A/D
converter standard voltage input
2 Avss A/D converter ground potential
3 IC/VPP Internal connection terminal (in
connection to ground)
4 VDD Positive power supply
5 VSS GND
6 X1 Main system clock
7 X2 Main system clock
8 RESET System reset input
9 XT1 In connection with VDD.
10 XT2(NC) No Connection
11 TFT System Reset input
RESET
12 MONIO Vertial SYNC signal
VD
13 HPOS0 H Position Data 0
14 HPOSI H Position Data 1
15 HPOS2 H Position Data 2
16 HPOS3 H Position Data 3
17 HPOS4 H Position Data 4
18 SIDE2 ASPECT switch signal output Side
black 2
19 SIDE1 ASPECT switch signal output Side
black 1
20 ZOOM ASPECT switch signal output
Zoom/just mode switch control
21 JUST ASPECT switch signal output Just
display
22 EVSS Ground port
23 EVDD Port power supply
24 I2C Data I2C Data
25 I2C Clock I2C clock
26 MONI
CNT
27 BL CNT Backlight power supply control
output
28 TFT Data Serial communications data output
for the main CPU
29 TFT COM Serial communications data input
for the main CPU
30 TFT CLK Serial communications clock for
the main CPU
31 TOUCH Switch output for touch panel SW
SW detection
32 NC
33 X- Transistor SW output for touch
panel side X (- pole)
34 Y- Transistor SW output for touch
panel sideY (- pole)
35 X+ Transistor SW output for touch
panel side X (+ pole)
36 Y+ Transistor SW output for touch
panel side Y (+ pole)
37 XG Touch panel side X with respect
to - pole
38 YG Touch panel side Y with respect
to - pole
39 XR Touch panel side X with respect
to + pole
40 YR Touch panel side Y with respect
to + pole
41 A/D KEY A/D key input for TILT and
OPEN/CLOSE
42 Light DIMMER input
SENS
43 EJECT Eject key input
KEY
Description I/O
-
-
-
-
-
-
-
I
-
-
I
I
I/S
I/S
I/S
I/S
I/S
O
O
O
O
-
-
O
O
- -
O
O
I
I
O
- -
O
O
O
O
I
I
I
I
I
I
I
PIN Name
No.
44 NC No Connection
(V)
5.1
0
0
5.1
0
2.3
2.6
5.0
5.1
-
5.0
1.9
3.0
3.0
0
0
2.8
0
0
0
0
0
5.1
5.0
5.0
-
5.1
0
0
5.0
4.6
-
0
0
5.1
5.1
0
1.0
0
1.0
5.1
4.1
5.1
8
Description I/O
-
(V)
-