Kenwood NX-5700, Service Manual

Page: 28 / 138

1-28 (No.RA020<Rev.002>)
2.6.2 Module (BT/GPS) unit (XC2-0031-80, XC2-0040-10)
2.6.3 Sub (Display) unit (XC3-0020-20, XC3-0070-20) (Only
NX-5700)
1 NC - Refer to “D-sub 25-pin connector
specification”.
2 RXD1 I
3 TXD1 O
4 AUXIO9 I/O
5 DI I
6 MI2 I
7 GND -
8 AUXIO8 I/O
9 TXD2 O
10 RXD2 I
11 GND -
12 AUXIO7 I/O Refer to “D-sub 25-pin connector
specification”.
13 AUXIO6 I/O
14 SB -
15 AUXO2 O
16 AUXO1 O
17 AFO O
18 GND -
19 DEO O
20 AUXIO5 I/O
21 AUXIO4 I/O
22 AUXIO3 I/O
23 AUXIO2 I/O
24 AUXIO1 I/O
25 ME -
Pin No. Name I/O Function
CN1(to Main unit A/2 CN735)
1 54M I 5.4V input
2 54M I 5.4V input
3 GND - Ground
4 GND - Ground
5 BT_SW I Enable signal for 33BT and
18BT
6 G_TXD2 I Serial data intput
7 G_RXD2 O Serial data output
8 CTS2 O Serial data output
9 RTS2 I Serial data input
10 BT_AUD_DO I Audio signal input
11 BT_AUD_DI O Audio signal output
12 BCLK I Audio serial data bus bit clock
input
13 WCLK I Audio serial data bus word
clock input
14 BT_SHUTDOWN I Shutdown signal input
15 GPS_PA_EN I GPS receiver part switching
signal input
Pin No. Name I/O Function
16 GPS_ANT_SW I Enable signal for 33GPS
17 GND - Ground
18 GND - Ground
19 GPS_ALM O Antenna open/short detection
20 GPS_PWR O Antenna power supply detec-
tion
Pin No. Name I/O Function
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
signal
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
Pin No. Name I/O Function