Kenwood TM-D710A, Руководство по обслуживанию

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TM-D710A/D710E
8
SEMICONDUCTOR DATA
Pin No. Port Name I/O Function
76 VCC - 5V power supply
77 VREF - 5V power supply
78 TNC_SEL(VSS) I LOW
79 SPEC(VSS) I L: Fixed
80 GPS_SEL(VSS) I
Selects GPS default.
H: SONY(9600bps), L: NMEA(4800bps)
81 PLLOCK I Input from gate array
82 CLKEN(VSS) I
MPU clock output selection.
H: Output, L: No output
83 FLAG I Input from gate array
84 SIN I Inputs receive serial data from gate array
85 IODATA I Not used (GND)
86 VSS - Analog circuit GND
87 SCLKR I
Clock input of receive data from gate
array
88 SCLKT I
Clock output of transmit data to gate
array
89 IOCLK I Not used (GND)
90 IOEN I Extended output port data fi xed control
91 NC - Not used
92 VSS - GND
93 SOUT O Serial data output to gate array
94 TXX O
Transmit/receive switch output to
gate array. H: Transmit, L: Receive
95 S9600 O
Output of gate array.
H: 9600bps, L: 1200bps switch
96 WAY2 O Output to gate array (Not used)
97 NC - Not used
98 LOOP O
Output to gate array.
(H: Loop back test in gate array)
99 PLLCNT O Output to gate array (PLL lock follow-up)
100 HOSTRTS O
RTS signal of asynchronous serial
communication with host
Shift Register: BU2099FV
(Display unit IC8)
Pin No.
Port
Name
Signal
name
Function Active level
6 Q0 TNCWR
TNC fl ash rewrite
switching terminal
L: Rewrite
7 Q1 PKTSW
1200bps/ 9600bps
switching
L: ON
8 Q2 TNC_SEL
Switching between
packet and APRS mode L: Packet
H: APRS
9 Q3 TNC_CAR
Carrier sense output to
TNC(carrier information
of transmit band)
L: With carrier
H: No carrier
10 Q4 SQCOUT
Squelch status output
to TNC L: Receive
H: Transmit
11 Q5 32K_SW
Control of adjustment
mode of RTC crystal
L
12 Q6 S5M_C
RS-232C driver power
supply control
L
13 Q7 TNC_PSW
TNC power supply
control output
L
14 Q8 - Not used
15 Q9 LCD_SW
LCD drive power
supply switch (V3)
16 Q10 - Not used
17 Q11 - Not used