Kenwood TM-V7A Service Manual

VO Port Specifications
UPD78058GC-468 (LCD ASSY:1C4)
SEMICONDUCTOR DATA
TM-V7A/E
Pin
Pin
code
Tie)
Function
Active
No.
level
1 P15/AN15 I
2 P1I6/AN16 I Connected to Vss
3 P17/AN17 |
4 AVss A/D converter reference ground
5. P_LCDLE ie} LCO driver latch enable
6 P131/ANO1 I Connected to Vss
7 AVREF4 Connected to Voo
8 P70/RXD I
9 P71/TXD I Connected to Vss
10 P72/ASCK I
11 P_LCDRST fe) LCD driver reset
12 P_LCDDI ie) LCD driver data select (AO)
13 P_LCDWR {e) LCD driver write select
14 P_LCDCE1 (e) LCD driver chip select 1
15 P_LCDCE2 fe) LCD driver chip select 2
16 P_Sl I Common microprocessor SO
17 P_SO ie) Common microprocessor SI
18 P27/SCKO 1/0 Not used (Open)
19 P_LCDDTO n°) LCD driver data line 0
20 P_LCDDT1 ion LCD driver data line 1
21 P_LCDDT2 fe) LCD driver data line 2
22 P_LCDDT3 im?) LCD driver data line 3
23 P_LCDDT4 ie} LCD driver data line 4
24 P_LCDDT5 ie) LCD driver data line 5
25 _ P_LCDDT6 Oo LCD driver data line 6
26 P_LCDDT7 ie) LCD driver data line 7
27 P_LEDS (e) LEDS5 CLF dark lighting
28 P51/A9 I Connected to Vss
29 PS2/A10 |
30 P_5CSW ie) SW 5C control
31 P54/A12 I Connected to Vss
32 P55/A13 I
33 Vss Microprocessor ground
34 P56/A14 I Connected to Vss
35 “P57/A15 {
36 P60 | Connected to Vop
37 P61 I
38 P62 I
39 P63 I
40 P64/RD {e) Connected to Vss
41 P65/WR (8)
42 P66/WAIT |
43 P67/ASTB I
44 P_DIM oO CFL dimmer adjustment
45 P31/TO1 I Connected to Vss
46
P_KEY9
|
PM
KEY
L
47
P_KEY10
|
MENU
KEY
L
48
P_KEY11
|
CONT
KEY
L
49
P_PCL
Oo
LCD
driver
clock
50
P_KEY12
I
B.
SEL
KEY
(VHF)
L
51
P_KEY13
I
B.
SEL
KEY
(UHF)
L
52
P_KEY1
|
VFO
KEY
L
53
P_KEY2
|
MR
KEY
L
54
P_KEY3
I
CALL
KEY
L
19

Kenwood TM-V7A Specifications

General Specifications

VHF frequency range	144~148MHz
UHF frequency range	438~450MHz (U.S.A/Canada)
Antenna impedance	50Ω
Usable temperature range	-20°C to +60°C (-4°F to +140°F)
Power supply	13.8V DC ±15% (11.7~15.8V)
Grounding method	Negative-ground
Frequency stability	±3ppm (-10°C to +50°C)
Dimensions (W x H x D)	140 x 54.5 x 205.5 mm

Transmitter Specifications

High power output	50W (VHF) / 35W (UHF)
Mid power output	Approx. 10W
Low power output	Approx. 5W
Spurious emissions	-60dB or less
Maximum frequency deviation	±5kHz
Audio distortion	3% or less (at 60% modulation)
Microphone impedance	600Ω

Receiver Specifications

Circuitry	Double conversion
Intermediate frequency (1st / 2nd)	38.85MHz / 450kHz and 45.05MHz / 455kHz
Sensitivity (VHF or UHF band)	0.16μV or less (12dB SINAD)
Sensitivity (Sub VHF or UHF band)	0.25μV or less
Selectivity (-6dB)	12kHz or more
Selectivity (-60dB)	28kHz or less
Squelch sensitivity	0.1μV or less
Audio output	2W or higher (8 ohms, 5% distortion)
Audio output impedance	8Ω

Weight and Dimensions

Weight	1.2 kg (2.6 lb)
Dimensions (W x H x D)	5.51" x 2.15" x 8.09"