Kenwood TKR-D710 Service Manual page 64

TKR-D710
Pin No. Name I/O
14 /RXPCS_TR
15 LDT
16 /16_8PCS
17 LDR
18 /TXPCS
19 SPSCLK0
20 SPSD0
21 SBC
22 GND
23 MOD
24 GND
25 RSSI
26 AGC
27 33A
28 /EWP
29 HWV1
30 I2CCK
31 SPSCLK1
32 I2CDA I/O Serial data
33 SPSD1
34 /IOCS
35 /EVCS
36 NC
IN IF_SIG
OUT GND
CN40 (To X54-406 CN502)
1 SB
2 SB
3 GND
4 NC
5 DAT
6 PSW
7 STB1
8 CLK
9 SOE
10 TXD1 I/O MIC PTT, UART TX data
11 K1
12 RXD1
13 K2
14 K3
64
TERMINAL FUNCTION
Function
O RX PLL chip select signal
I TX PLL lock detect signal
O Reference clock PLL chip select signal
I RX PLL lock detect signal
O TX PLL chip select signal
O Serial clock
O Serial data
O Switched +B control signal
- Ground
O Audio signal for TX modulation
- Ground
I RSSI voltage
O Auto gain control voltage
O 3.3V voltage
O EEPROM write control signal
I Hardware version signal
O Serial clock
O Serial clock
O Serial data
I IO expander chip select signal
O DA converter chip select signal
- No connection
CN39
I 450kHz IF signal
- Ground
O Power supply input
O Power supply input
- Ground
- No connection
O Serial data
I Power switch signal
O Data latch signal
O Serial clock
O Output enable signal
I Key scan input
I Hook detect signal, UART TX data
I Key scan input
I Key scan input
Pin No. Name I/O
15 K4 O Key scan output
16 K5 O Key scan output
17 VLI I Speaker audio level control voltage
18 5C O 5V voltage
19 MIG - MIC ground
20 MIC I MIC signal
CN41 (To TEST/SPKR 15pin Connector)
1 SB O Power supply output
2 SB O Power supply input
3 GND - Ground
4 GND - Ground
CN42 (To TEST/SPKR 15pin Connector)
1 AO5 O Auxiliary output 5
2 AO4 O Auxiliary output 4
3 AO3 O Auxiliary output 3
4 SPO O Speaker AF output
5 SPO O Speaker AF output
6 AO2 O Auxiliary output 2
7 AO1 O Auxiliary output 1
8 SPI I Internal speaker AF input
9 RSI O RSSI voltage
10 NC - No connection
11 SPG - Speaker ground
12 SPG - Speaker ground
CN43 (To INT SPKR )
1 SPO O Internal speaker AF output
2 SPG - Speaker ground
CN44 (To Control I/O 25pin D-sub Connector)
1 NC - No connection
2 NC - No connection
3 SPM_D25 I Speaker mute signal input
4 IO6_D25 I/O Programmable function input/output 6
5 RXG - RX signal ground for RA,RD
6 IO5_D25 I/O Programmable function input/output 5
7 NC - No connection
8 IO4_D25 I/O Programmable function input/output 4
9 NC - No connection
10 IO3_D25 I/O Programmable function input/output 3
11 NC - No connection
12 IO2_D25 I/O Programmable function input/output 2
13 NC - No connection
Function