Service manual

9 Wiring Diagram
9-6 SAM4S ER-900/SPS-300 SERIES
9-5 LCD JOINT PBA Block Diagram
9-6 LCD JOINT PBA Wiring connection
CN1 REAR DISPLAY( MAIN B’D to LCD JOINT B’D CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 GND 10 VFD_GRD#5
2 VFD_GRD#9 11 VFD_SEG#3(C)
3 VFD_SEG#2(B) 12 VFD_GRD#6
4 VFD_GRD#1 13 VFD_SEG#8(DP)
5 VFD_SEG#1(A) 14 VFD_GRD#7
6 VFD_GRD#2 15 VFD_SEG#4(D)
7 VFD_SEG#6(F) 16 VFD_GRD#8
8 VFD_GRD#3 17 VFD_SEG#5(E)
9 VFD_SEG#7(G) 18 VFD_GRD#4
CN2 192*64 LCD(LCD JOINT B’D to 192*64 LCD CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 GND 12 D(5)
2 VDD50V 13 D(6)
3 VCONTRAST 14 D(7)
4 DATA/INST 15 CE1
5 R/W 16 CE2
6 EN 17 CE3
7 D(0) 18 /RESET
8 D(1) 19 VOUT
9 D(2) 20 KR
10 D(3) 21 KB
11 D(4) 22 KG
CN4 2LINE LCD (LCD JOINT B’D to 2LINE LCD CONNECTOR)
NO SIGNAL NAME NO SIGNAL NAME
1 GND 9 D(2)
2 VDD50V 10 D(3)
3 GND 11 D(4)
4 DATA/INST 12 D(5)
5 R/W 13 D(6)
6 EN 14 D(7)
7 D(0) 15 LED_A(5V)
8 D(1) 16 LED_K(GND)
CN3 REAR DISPLAY(LCD JOINT B’D to REAR DISPLAY CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 VFD_GRD#9_OUT 10 VFD_GRD#6_OUT
2 VFD_GRD#1_OUT 11 VFD_SEG#3(C)_IN
3 VFD_SEG#2(B)_IN 12 VFD_GRD#7_OUT
4 VFD_GRD#2_OUT 13 VFD_SEG#8(DP)_IN
5 VFD_SEG#1(A)_IN 14 VFD_GRD#8_OUT
6 VFD_GRD#3_OUT 15 VFD_SEG#4(D)_IN
7 VFD_SEG#6(F)_IN 16 VFD_GRD#4_OUT
8 VFD_GRD#5_OUT 17 VFD_SEG#5(E)_IN
9 VFD_SEG#7(G)_IN
CN5 (MAIN to LCD JOINT B’D CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 VDD50V 12 D(4)
2 GND 13 D(7)
3 DATA/INST 14 D(6)
4 VCONTRAST 15 CE2
5 EN 16 CE1
6 R/W 17 /RESET
7 D(1) 18 CE3
8 D(0) 19 KR
9 D(3) 20 VOUT
10 D(2) 21 KG
11 D(5) 22 KB&VLCD