Kenwood TM-V71E Manual de usuario
SERVICE MANUAL
TM-V71A/V71E
© 2007-5 PRINTED IN JAPAN
B51-8791-00 (N)289
roduct uses Lead Free solder.This product complies with the RoHS directive fo
Photo is TM-V71A.
CONTENTS
DISASSEMBLY FOR REPAIR ......................2
CIRCUIT DESCRIPTION ..............................3
SEMICONDUCTOR DATA.........................11
COMPONENTS DESCRIPTION.................14
TERMINAL FUNCTION .............................19
PARTS LIST ...............................................22
EXPLODED VIEW ......................................38
PACKING....................................................39
ADJUSTMENT ..........................................40
PC BOARD
DISPLAY UNIT (X54-3590-00)...............60
TX-RX UNIT (X57-731X-XX) .................64
INTERCONNECTION DIAGRAM ..............72
SCHEMATIC DIAGRAM ............................74
BLOCK DIAGRAM .....................................86
LEVEL DIAGRAM ......................................88
OPTIONAL ACCESSORIES .......................90
SPECIFICATIONS ......................................91
Microhone
(T91-0657-15)
Metallic cabinet
(A01-2206-02)
Front glass (Display)
(B10-2775-12)
Panel (Display)
(A62-1135-03)
Knob (ENC)
(K29-9376-03)
Knob (VOL)
(K29-9377-03) x 2
Knob (SQL)
(K29-9380-03) x 2
Button knob (VFO,MR)
(K29-9378-03)
Button knob (POWER,PM)
(K29-9379-03)
Button knob (7KEYS)
(K29-9381-02)
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69
JKLMNOPQRS
3
4
5
6
7
8
9
10
11
12
13
14
110
C803
C804
C806
C807
J801
SP1
J802
SP2
Q954
Q802
C975
+
+
+
++
+
+
2
D955
C810
C941
R991
R992
C963
C970
C979
C982
C986
Q757
R780
C782
C783
TX-RX UNIT (X57-731X-XX) (D/6) : CONTROL SECTION
0-11 : K 0-21 : M4 2-71 : E Component side view (J79-0142-19 D/6)
PC BOARD
TM-V71A/V71
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
TX-RX UNIT (F/6) :
VCO B SECTION
C
/6 J79-0142-19 F/6
Ref. No. Address
IC916 6E
IC917 8I
IC918 7H
IC919 6G
IC920 6H
IC921 7J
Q701 13F
Q706 12F
Q707 13G
Q751 13I
Q756 12I
Ref. No. Address
Q757 13J
Q802 6L
Q916 5H
Q917 5G
Q918 6G
Q952 8J
Q954 8J
D701 13F
D703 13E
D705 12E
D710 12F
Ref. No. Address
D751 13I
D753 13H
D755 12H
D760 12I
D916 6G
D951 6D
D952 7D
D953 7D
D955 8J
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TM-V71A/V71E
91
General TM-V71A TM-V71E TM-V71A
K Type E Type M4 Type
Guaranteed range Band A & B TX & RX 144~148MHz 144~146MHz
438~450MHz 430~440MHz
Frequency range
Band A
RX
118 ~ 524MHz –
Band B 136~524MHz –
800~1300MHz (excluding cellular band) –
Mode F2D/ F3E
Antenna impedance 50 Ω
Operating temperature range –20°C~+60°C (–4°F~+140°F)
Power requirement 13.8 V DC±15% (Negative ground)
Frequency stability Within ±5 ppm (–10°C~+50°C)
Current TX
VHF
HI Less than 13.0A –
MID Less than 5.5A Less than 9.0A
LOW Less than 4.0A
UHF
HI Less than 13.0A –
MID Less than 6.5A Less than 9.0A
LOW Less than 5.0A
RX Less than 1.2A (at 2W audio output)
Dimensions
(W x H x D)
Without projections Panel: 140 x 43 x 38.2 mm (5.51" x 1.69" x 1.50")
Body (with Panel): 140 x 43 x 180.7 mm (5.51" x 1.69" x 7.11")
With projections Panel: 140 x 43 x 55.4 mm (5.51" x 1.69" x 2.18")
Body (with Panel): 140 x 43 x 213.1 mm (5.51" x 1.69" x 8.39")
Weight (approx.) Body (with Panel): 1.5 kg (3.3 lbs)
Transmitter
RF power output
HI 50W –
MID Approx. 10W 25W
LOW Approx. 5W
Modulation Reactance modulation
Maximum frequency deviation Within ±5kHz
Spurious radiation Less than –60dB
Modulation distortion (300Hz~3kHz) Less than 3%
Microphone impedance 600Ω
Receiver
Circuitry Double super heterodyne
Intermediate frequency 1st (Band A/ Band B) 45.05MHz/ 49.95MHz
2nd (Band A/ Band B) 455kHz/ 450kHz
Sensitivity Less than 0.16µV
Squelch sensitivity Less than 0.1µV
Selectivity –6dB More than 11kHz
–50dB Less than 30kHz
Low frequency output (8Ω) More than 2W (at 5% distortion)
SPECIFICATIONS
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Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Kenwood TM-V71A TM-V71E Service Manual
Este manual sirve para los siguientes modelos
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