微電腦 - Canon wordtank Z900 - 解焊元件找腳位



正面


背面


司徒吹了幾個重要元件下來


正面


背面


AUART0位置


JTAG位置


U1851腳位

U1851Description
A1(TESTM0)GND
A2(XRST)i.MX283 AUART0_TX
A3(XO)NC
A4(XI)VDD
A5(ROW0)KBD_R0
A6(TESTM3)GND
B1NC
B2(CLKSEL)GND
B3(VDD)VDD
B4(VDD)VDD
B5(ROW2)KBD_R2
B6(ROW1)KBD_R1
C1(KINT)i.MX283 AUART0_RX
C2(VDD)VDD
C3(VSS)GND
C4(PORENB)GND
C5(ROW4)KBD_R4
C6(ROW3)KBD_R3
D1(KSDA)i.MX283 ENET0_RXD2
D2(VDD)VDD
D3(VSS)GND
D4(VSS)GND
D5(ROW6)KBD_R6
D6(ROW5)KBD_R5
E1(KSCL)i.MX283 ENET0_RXD0
E2(COL6)KBD_C6
E3(COL4)KBD_C4
E4(COL2)KBD_C2
E5(COL0)KBD_C0
E6(ROW7)KBD_R7
F1(TESTM1)GND
F2(COL7)KBD_C7
F3(COL5)KBD_C5
F4(COL3)KBD_C3
F5(COL1)KBD_C1
F6(TESTM2)GND

鍵盤接腳


LCD腳位


屏幕FPC

PinDescription
1GND
2GND
3Touch X+
4Touch X-
5Touch Y+
6Touch Y-
7LED+
8Button 1
9Button 2
10Button 3
11GND
124Pin VLED-
13NC
144Pin VLED+
15GND
1631Pin COM
17GND
1831Pin VGL
1931Pin VGH
20GND
2131Pin VH
22NC
2331Pin VSS
2431Pin VSS
25GND
2631Pin VDD
27NC
2831Pin SDI
2931Pin SCLK
3031Pin SCS
3131Pin REV
3231Pin RESETB
33GND
3431Pin DATA2+
3531Pin DATA2-
36GND
3731Pin CLK+
3831Pin CLK-
39GND
4031Pin DATA1+
4131Pin DATA1-
42GND
4331Pin VCCRX
4431Pin COM
45GND