TERMINAL FUNCTION
NX-800
62
Display unit (X54-3640-10)
Pin No.
Name Function
CN901 (to TX-RX unit A/2 CN597)
1~6 SPO Speaker input.
7 GND Ground.
8 80C 8V input.
9,10 SB Power input of switched power supply.
11 NC Non-connection.
12 /PSW Detection signal output of power switch.
13,14 GND Ground.
15 MIC MIC signal output.
16 ME MIC ground.
17 GND Ground.
18 AFO RX filtered AF signal input.
19 /PRST Display CPU reset signal input.
20~23 GND Ground.
24 SHIFT Control signal input of Beat-shift function.
25 NC Non-connection.
26 5C 5V output.
27 TXD Serial data signal input.
28 RXD Serial data signal output.
29,30 GND Ground.
CN902 (to internal speaker)
1 GND Ground.
2 SPO Speaker output.
CN905 (to LCD ASSY)
1V5 LCD Drive voltage output.
2V4 LCD Drive voltage output.
3V3 LCD Drive voltage output.
4V2 LCD Drive voltage output.
5V1 LCD Drive voltage output.
6 Vdd LCD Driver DC power supply.
7 Vss LCD Driver Ground.
8 Vdd LCD Driver DC power supply.
9D7 LCD Driver data output.
10 D6 LCD Driver data output.
11 D5 LCD Driver data output.
12 D4 LCD Driver data output.
13 D3 LCD Driver data output.
14 D2 LCD Driver data output.
15 D1 LCD Driver data output.
16 D0 LCD Driver data output.
17 /WR LCD Driver WR signal output.
18 A0 LCD Driver address output.
19 /RES LCD Driver Reset signal output.
20 /CS LCD Driver Chip-select signal output.
Pin No.
Name Function
J901 (MIC jack)
1DM MIC data detection.
2
HOOK/RXD
HOOK:Hook detection, RXD:Serial data input.
3 MIC MIC signal input.
4ME MIC ground.
5 PTT/TXD PTT:PTT input, TXD:Serial data output.
6E Ground.
7SB Power output of switched power supply.
DC13.6V
±
15%, 200mA typ.
8 BLC MIC key backlight control.
TX-RX unit (X57-7390-10) (A/2)
Pin No.
Name Description
CN595 (to Option board)
1 OPT1
2 OPT3
3 26P_RD
4 26P_TD
5NC
6 OPT4
7 OPT10
8 OPT5
9 DGND
10 AGND
11 AI
12 AO
13 AGND Refer to
14 5V "CN595 26-pin connector specification".
15 OPT9
16 DTI
17 OPT8
18 OPT11
19 OPT7
20 OPT2
21 TXO
22 RXEO
23 RXEI
24 TXI
25 OPT6
26 POW
CN597 (to Display Unit CN901)
1,2 GND Ground
3 RXD Serial data signal input
4 TXD Serial data signal output
5NC Non-connection
6 50C 5V output.
