HYT TC-700P, Руководство по обслуживанию

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TC-700P Service Manual
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42 P52/RD NC O
43 P51/BHE AF_TDATA O
AK2346 TDATA (MSK data
output)
44 P50/WR NC
For programming only
(connected to VCC through a
47K resistor)
(PROG5)
45 P47/CS3 AF_DIO I/O
AK2346 DATA I/O(SDAT)
(output control word or read
data)
46 P46/CS2 SBC O
Control power supply
H: supply power;
L: soft power down.
47 P45/CS1 SAVE O
Battery save control
H: valid;
L: battery save.
48 P44/CS0 R5C O
R5C Control power of receiver
L: off;
H: valid.
49 P43/A19 T5C O
T5C Control power of
transmitter
L: off;
H: valid.
50 P42/A18 LED_EN O
Control backlight
L: off;
H: valid.
51 P41/A17 SK1 I Side Key 1
52 P40/A16 TK I Top Key
53 P37/A15 NC I/O
54 P36/A14 NC I/O
55 P35/A13 NC I/O
56 P34/A12 SK2 I Side Key 2
57 P33/A11 PWS I
Power on/off detect
H: soft power off;
L: on.
58 P32/A10 DTMF_ACK I DTMF decode data read clock
59 P31/A9 OPT_SEL I
Accessory connection detect
H: no; L: yes.
60 VCC VCC I VCC
61 P30/A8 W_CON O
Wide band control
H: wide band open;
L: wide band closed.
62 VSS GND I Grounded
63 P27/A7 PA_MUTE O
Control audio power amplifier
H: on; L: off.