Acer RB23WABAS _8.9 SCHEMATICS _BDOSD KEYACER_LCD_H233H_, 48

_8.9 SCHEMATICS _BDOSD KEYACER_LCD_H233H_
PCB No.
6832203800P01
AUTO LEFT
AUTO
RIGHT
MENU RIGHT
GPIOLED/
LEFT
BUTTON
E
BUTTON
S2
INPUT
INPUT E MENU
GPIO5D608/
ATTN GND KEYVin SCL GND SDA
2 When connecting the LEDs to GPIO pins thepin17 should.,
.notbe connected to ground of VCC
1 When no connecting the LEDs to GPIO pins thepin17.,
.shouldconnect to ground of VCC
FFCcabl eP601A i s di rectl y sol dered on the posi ti onof P601.
pin9 pin14~ sensorbottom trace
S1 S0 S4 S3
GPIO1D601/ GPIO2D602 D603/& GPIO3D604 D605/&
GPIO6D609/ GPIO4D606 D607/&
thedistance from the edge of the PCB outline tobutton sensor is 1mm>= . thegap between buttons and or between buttons/ andstrips is 3mm>= .
PCBsubstrate: 2 Layer Rigid FR4 PCB- 09mm..16mm thick
Lessthan 50 mm 50mm
S5
SCL
SDA
ATTN
ATTN SCL SDA
P3P3V KEY_
VCC
P3P3V KEY_
P3P3V KEY_
P3P3V KEY_
EN
EN
SHIELD
VCC
VCC
TP601 TP604
R608 10 5_% R0402
FB601
NCPBY201209T 170Y S/--
BEAD0805
R614 33K 5_% R0402
R615 47K 5_% R0402
C605 01uF 16V._ CM0402
C602 1uF 10V_
CM0402
R610 10 5_% R0402
TP602 TP605
D603
WHITE SMLED S270T--
D601
WHITE SMLED S270T--
R609 10 5_% R0402
D605
WHITE SMLED S270T--
R601 10K 5_% R0402
R606 10 5_% R0402
D606
WHITE SMLED S270T--
TP606
R603 10 5_% R0402
D609
WHITE SMLED S270T--
C604
1uF 10V_ CM0402
C603 100P 50V_
CM0402
R604 10 5_% R0402
I601
SO38000
19
22
23
24
21
20
25
6 5 4 3 2 1
7
8
9
10
11
12
13 14 15 16 17 18
VDD
SDA
SCL
ATTN
DNC
GND
G
GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6
GPIO0
SHLD
S0
S1
S2
S3
S4 S5 S6 S7
XGND
XCAP
R612
4K7 5_%
R0402
R613
4K7 5_%
R0402
D604
WHITE SMLED S270T--
R602 10 5_% R0402
P601
6PINfor FFC SMCN10 6P--
1 2 3 4 5 6
I602 AO3419 SMFET-
1
2 3
R611 10 5_% R0402
R607 10 5_% R0402
D602
WHITE SMLED S270T--
D607
WHITE SMLED S270T--
TP603
C601 1uF 10V_ CM0402
D608
WHITE SMLED S270T--
R605 10 5_% R0402
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A B C D E F G
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48
ACERH233H