Kenwood TM-V708A Service Manual page 15

78F4218AGJZXA (TX-RX UNIT CPU : IC604)
Pin No. Port Name
1 UPLLEN
2 VPLLEN
3 PSW1
4 PSW2
5 MIC MUTE1
6 MIC MUTE2
7 RST SW
8 SHIFT
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
16 BACKUP
17 NOT USED
18 NC
19 NOT USED
20 SIS
21 MUTE5
22 MIC PWR
23 AVDD
24 AVREF
25 THP
26 SQ14
27 SW14
28 SQ43
29 SM43
30 P_DWAN
31 P_UPAN
32 TOIN
33 AVSS
34 DTMF/1750
35 TONE
36 AVREF
37 RxD2
38 TxD2
39 RTS2
40 RxD1
41 TxD1
42 NC
43 NC
44 STS
45 NOT USED
46 NC
47 NC
48 NC
49 NC
50 PKSD
51 SQC1
52 NC
53 NC
SEMICONDUCTOR DATA
I/O
O U PLL Enable output
O V PLL Enable output
O Transceiver main power switch (SBSW)
O Transceiver main power switch (CPU)
O MIC MUTE 1 (MIC input)
O MIC MUTE 2 (SPF out)
I Hard reset switch
O Clock shift
- Positive power supply
O System clock
I System clock
- GND
- OPEN
- Connect to VSS
I System reset
I Power voltage fall detection interrupt
I Not used
O Not used
I Not used
I UART control signal input from STN panel
O DTMF/1750Hz mute output
I Remote control keys DOWN, MR, PF, power switch
- Connect to VDD
- Connect to VDD
I Temperature protection
I Noise level A/D input (VHF IF)
I S meter level A/D input (VHF IF)
I Noise level A/D input (UHF IF)
I S meter level A/D input (UHF IF)
I Remote control key A/D input UP, CALL, VFO
I Remote control key A/D input DOWN, MR, PF
I CTCSS, DCS input
- Connect to VSS
O BEEP/DTMF sound, 1750Hz tone, D/A output
O D/A output for SUB TONE
- Connect to VDD
I UART data input from PC
O UART data output to PC
O UART control signal output to PC
I Panel UART data input
O UART data output to panel
O Not used
O Not used
O Not used
I Not used
O Not used
O Not used
O Not used
O Not used
I Transmission request DATA-PKS
O DATA-SQC squelch signal output
O Not used
O Not used
TM-V708A
Function
MB1511PFV
MB1511PFV
H:ON
L:ON
H:Mute
H:Mute
Normal:L
Normal:L
11.0592MHz
H:Reset
H:Back up mode
H:Mute
L:Send from DATA
H:Open
Active Level
H
H
−
−
−
−
−
−
H
H
−
−
−
H
L
−
−
−
−
−
−
−
−
−
−
−
L
L
−
L
L
−
−
−
−
−
−
−
−
L
H
−
−
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