Kenwood NX-5700 Service Manual page 28

Pin No. Name I/O
1 NC
2 RXD1
3 TXD1
4 AUXIO9 I/O
5 DI
6 MI2
7 GND
8 AUXIO8 I/O
9 TXD2
10 RXD2
11 GND
12 AUXIO7 I/O Refer to "D-sub 25-pin connector
13 AUXIO6 I/O
14 SB
15 AUXO2
16 AUXO1
17 AFO
18 GND
19 DEO
20 AUXIO5 I/O
21 AUXIO4 I/O
22 AUXIO3 I/O
23 AUXIO2 I/O
24 AUXIO1 I/O
25 ME
2.6.2 Module (BT/GPS) unit (XC2-0031-80, XC2-0040-10)
Pin No. Name
CN1(to Main unit A/2 CN735)
1 54M
2 54M
3 GND
4 GND
5 BT_SW
6 G_TXD2
7 G_RXD2
8 CTS2
9 RTS2
10 BT_AUD_DO
11 BT_AUD_DI
12 BCLK
13 WCLK
14 BT_SHUTDOWN
15 GPS_PA_EN
1-28 (No.RA020<Rev.002>)
Function
- Refer to "D-sub 25-pin connector
specification".
I
O
I
I
-
O
I
-
specification".
-
O
O
O
-
O
-
I/O Function
I 5.4V input
I 5.4V input
- Ground
- Ground
I Enable signal for 33BT and
18BT
I Serial data intput
O Serial data output
O Serial data output
I Serial data input
I Audio signal input
O Audio signal output
I Audio serial data bus bit clock
input
I Audio serial data bus word
clock input
I Shutdown signal input
I GPS receiver part switching
signal input
Pin No. Name
16 GPS_ANT_SW
17 GND
18 GND
19 GPS_ALM
20 GPS_PWR
2.6.3 Sub (Display) unit (XC3-0020-20, XC3-0070-20) (Only
NX-5700)
Pin No. Name I/O
CN2 (to Main unit A/2 CN900)
1 SP+ I Speaker output
2 SPG - Speaker ground
3 GND - Ground
4 SB I Switched power supply
CN4 (LCD)
1 VSSA - Ground
2 VSSA - Ground
3 VSSA - Ground
4 VCC O 3V output
5 VCC O 3V output
6 VSSD - Ground
7 VSSD - Ground
8 VSSD - Ground
9 IOVCC O 1.8V output
10 IOVCC O 1.8V output
11 RDX O LCD driver RD signal
12 WRX O LCD driver WR signal
13 DCX O LCD driver data/command switch
14 CSX O LCD driver chip-serect signal
15 DB1 I/O LCD driver data output
16 DB2 I/O LCD driver data output
17 DB3 I/O LCD driver data output
18 DB4 I/O LCD driver data output
19 DB5 I/O LCD driver data output
20 DB6 I/O LCD driver data output
21 DB7 I/O LCD driver data output
22 DB8 I/O LCD driver data output
23 DB10 I/O LCD driver data output
24 DB11 I/O LCD driver data output
25 DB12 I/O LCD driver data output
26 DB13 I/O LCD driver data output
27 DB14 I/O LCD driver data output
28 DB15 I/O LCD driver data output
29 DB16 I/O LCD driver data output
30 DB17 I/O LCD driver data output
I/O Function
I Enable signal for 33GPS
- Ground
- Ground
O Antenna open/short detection
O Antenna power supply detec-
tion
Function
signal