TM-V71A/V71E
14
Pin No.
Port Name
I/O
Function
63~67
NC
-
Not used (GND)
68
LCD_DT_2
O
LCD driver 2 data
69
LCD_CLK_2
O
LCD driver 2 CLK
70
LCD_CE_2
O
LCD driver 2 CE
71
NC
-
Not used (5V)
72
KEY13
I
[PM] key input
73
KEY12
I
[Band SEL B] key input
74
KEY11
I
[Band SEL A] key input
75
KEY10
I
[PF2] key input
76
KEY9
I
[PF1] key input
77
KEY8
I
[LOW] key input
78
KEY7
I
[REV] key input
Pin No.
Port Name
I/O
Function
79~90
NC
-
Not used (GND)
91
VOL_B
I
AF VOL (Band B) A/D input
92
VOL_A
I
AF VOL (Band A) A/D input
93
SQL_B
I
SQL (Band B) A/D input
94
AVSS
I
GND
95
SQL_A
I
SQL (Band A) A/D input
96
VREF
I
Reference voltage input
97
AVCC
I
Analog power supply input
98
NC
-
Not used (5V)
99
KEY6
I
[TONE] key input
100
KEY5
I
[F] key input
SEMICONDUCTOR DATA
COMPONENTS DESCRIPTION
DISPLAY UNIT (X54-3590-00)
Ref. No.
Use / Function
Operation / Condition / Compatibility
IC901
Buffer
RXD
IC902
Buffer
TXD
IC903
MPU
IC904
5V AVR
5V
IC905
Reset IC
for MPU
IC906,907
LCD driver
Q901
Switching
SW5V for LCD driver IC
Q902
Switching
GR10V control
Q903
Switching
AM10V control
Q904
Switching
10V for Green LED
Q905
Switching
10V for Amber LED
D901~921
Switching
Protection from surge input
D922~951
LED
Amber
D952~983
LED
Green
D984~986
LED
Amber
D987
LED
Green
D988,989
Varistor
Protection from surge input
TX-RX UNIT (X57-731X-XX)
Ref. No.
Use / Function
Operation / Condition / Compatibility
IC1
PLL IC
A band
IC66
PLL IC
B band
IC131
Power module
VHF
IC161
Power module
UHF
IC186
2CH analog
switch
APC voltage VHF/UHF select
IC187
OP amplifi er
for APC
IC486
FM IC
A band
IC487
OP amplifi er
AGC amplifi er
IC546
FM IC
B band
IC576
Shift register
Q0: Wide/Narrow select for A band
Q1: VU_Select for A band
Q2: 8TVA control
Q3: 5RUA control
Q4: VHF AIP control
Q5: FAN control
Q6: VCO shift for A band
Q7: UHF AIP control
Q8: 8TUA control
Q9: 5RVA control
Q10: VHF BPF control for A band
Q11: 5RAM control