Kenwood TKR-D710 Service Manual page 67

Pin No. Name I/O
27 GND - Ground
28 GND - Ground
29 RX_CV O RX VCO lock voltage
30 TX_CV O TX VCO lock voltage
31 RXASSIST I RX PLL assist voltage
32 TXASSIST I TX PLL assist voltage
33 FWD O RF power monitor voltage
34 RAMP I RF power control voltage
35 TMP2 O Temperature of X45 Final unit
36 TMP1 O Temperature of X45 Final unit
CN801 (To X45-401 A/3 CN204)
1 HWV2 I Hardware version detect
2 H/L O Power control
3 PLIM O Power limit control
4 TMP1 I Temperature of X45 Final unit
5 TMP2 I Temperature of X45 Final unit
6 FDT I Coupler input voltage
7 FAN O FAN control
8 ASWC O ANT switch control
9 RAMP O RF power control voltage
10 8TC O 8V power supply control
11 GND - Ground
CN802 (To X53-458 CN39)
1 IF_SIG O 450kHz IF signal (Coaxial)
RX VCO/PLL Unit (X58-5190-10)
Pin No. Name I/O
CN303 (To X57-894 CN204)
1 FIN I VCO input
2 SPSCLK0 I PLL clock input
3 /RXPCS_TR I PLL chip select input
4 SPSD0 I PLL data input
5 33C I 3.3V power supply
6 50C I 5V power supply
7 LDR O PLL Lock detect output
8 REF I 19.2MHz reference clock input
TERMINAL FUNCTION
Function
Function
Pin No. Name I/O
CN350 (To X57-894 CN202)
1 GND - Ground
2 NC - No connection
3 80C_2 I 8V power supply
4 RXVCOA/B I VCO select
5 RX_CV O Control voltage output
6 NC - No connection
7 RXASSIST I Assist voltage input
CN351 (To X57-894 CN203)
1 VO O VCO output
2 GND - Ground
TX VCO/PLL Unit (X58-5200-10)
Pin No. Name I/O
CN303 (To X57-894 CN609)
1 FIN I VCO input
2 SPSCLK0 I PLL clock input
3 /TXPCS I PLL chip select input
4 SPSD0 I PLL data input
5 33C I 3.3V power supply
6 50C I 5V power supply
7 LDT O PLL lock detect output
8 REF I 16.8MHz reference clock input
CN350 (To X57-894 CN605)
1 GND - Ground
2 TXVCOB I VCOB select
3 80C_1 I 8V power supply
4 TXVCOA I VCOA select
5 TX_CV O Control voltage output
6 MO I Modulation input
7 TXASSIST I Assist voltage input
CN351 (To X57-894 CN608)
1 VO O VCO output
2 GND - Ground
TKR-D710
Function
Function
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