Panasonic Strada CN-NVD905U Service Manual page 7

Pin Port Description
No
78 P12 Switched battery
power supply
79 P13 Test terminal
80 P14 Test terminal
4.1.3. TFT Block
IC407 : C2BBFD000652
Pin Port
No.
1 VCC +5V power supply
2 VREF +5V power supply
3 AVSS Ground
4 BL CNT TFT backlight control
5 HPOS1 Horizontal display positive select 1
6 HPOS2 Horizontal display positive select 2
7 I2C DO Serial data to EEPROM
8 WP Write protect for EEPROM
9 INTEXT Internal or External for Flash writer
10 MODE Mode control for Flash writer
11 TXD Serial data to NAVI PCB
12 RXD Serial data from NAVI PCB
13 I2C DI Serial data in TFT PCB
14 I2C CLK Serial clock in TFT PCB
15 CNVSS CNVSS from Flash writer
16 TOUCH SW Touch switch control
17 NC Not connected
18 RESET Reset
19 XIN Crystal OSC
20 XOUT Crystal OSC
21 VSS Ground
22 BL ON Backlight power control
23 ZOOM Not connected
24 SIDE Not connected
25 JUST Not connected
26 X+ X-axis control for Touch panel
27 X- X-axis control for Touch panel
28 Y+ Y-axis control for Touch panel
29 Y- Y-axis control for Touch panel
30 LED TFT mode control
31 TILT LED TFT mode control
32 POW KEY Not connected
33 VOL+ KEY Volume-up key detection
34 VOL- KEY Volume-down key detection
35 MENU KEY Map key detection
36 AUDIO KEY Source key detection
37 GENZ KEY Navigation key detection
38 DIM Pulled down
39 XR X-axis detection of Touch panel
40 XG X-axis detection of Touch panel
41 YR Y-axis detection of Touch panel
42 YG Y-axis detection of Touch panel
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