Kenwood TM-V7A Service Manual

TM-V7A/E
PARTS LIST
TX-RX UNIT (X57-52XX-XX)
Ref. No. jAdrress parts Parts No. Description Destination Ref. No. | Adrress hie Parts No. Description Destination
IC503 JLC1555F IC({6X4 CLOSSPOINT SWITCH} 051 2SC5066(0} TRANSISTOR EE3
10504 MB87032APFGBND | IC(ELECTRONIC VOLUME) 51 28C5066(0} TRANSISTOR M2,M3
Ic505 PST9130NR IC{SYSTEM RESET} 052 38K241{R) FET E,E3
IC506 LC73881M IC{DTMF DECODER} as2 3SK241{R} FET M2,M3
{C507 AK2343 IC(CTCSS ENCODER/DECODER) 053 284093 TRANSISTOR
054 DTC114EE DIGITAL TRANSISTOR £,E3
(C508 * | 78PO58GCJRHC IC(CPU} K 054 DTC114EE DIGITAL TRANSISTOR M2,M3
(C508 * | 78PO58GCURIC IC{CPU) E,E3 Q55 28C4619{P,0} TRANSISTOR
I¢508 * | 78PO58GCJRUC IC(CPU} M2,M3 Q56 2804988 TRANSISTOR
Ic509 BU4066BCF IC(ANALOG SWITCH X4) Q57 2803357 TRANSISTOR
1C510 JLC1555F IC{6X4 CLOSSPOINT SWITCH} 058 28C4738(GR} TRANSISTOR
(C511 TA75S393F Ic Q60 61 2802954 TRANSISTOR
(C512 * | AT25640N10S127 IC | 1 063 28C4738(GR} TRANSISTOR
10512 * | X25320S1-2.7 Ic Q66 2SB1565(E, F} TRANSISTOR
1€513 * | TC74HC4050AF IC({BUFFER CONVERTER) Q67 28C4738(6R} TRANSISTOR
Qi 28A1362(Y) TRANSISTOR a69 2SB1386(R} TRANSISTOR
a2 28B1132(Q,R) TRANSISTOR Q71 DIC114EE DIGITAL TRANSISTOR
a3 FMAS TRANSISTOR 073 ,74 2SC4738(GR) TRANSISTOR
Q? 2SA1362(Y) TRANSISTOR a75 : DTD143EK DIGITAL TRANSISTOR
08,9 28K 1824 FET Q76 28C4738(GR} TRANSISTOR
Qi0 28B1132{Q,R) TRANSISTOR Q77 . DTC114EE DIGITAL TRANSISTOR
a1 3SK241{R) FET 078 2881132(Q,R) TRANSISTOR
Q12 28C4738(GR} TRANSISTOR Q79 80 DTC143EE DIGITAL TRANSISTOR
Q15 2SC4619(P,0} TRANSISTOR 81 DTC144EU DIGITAL TRANSISTOR
Q16 ,17 FMA5 TRANSISTOR a91 28K1824 FET
Q19 ,20 2SC4619(P,Q} TRANSISTOR 501 2SC4738(GR} TRANSISTOR
021 * 1 3SK298 FET 0504 2SA1519 TRANSISTOR
a23 3SK239A FET 505,506 28C4738(GR) TRANSISTOR
Q24 2SA1832(GR) TRANSISTOR 0507 2SK1824 FET
025 28C4738(GR} TRANSISTOR 508,509 28C4738(GR) TRANSISTOR
026 DTC144EE DIGITAL TRANSISTOR THI 157-153-65001 THERMISTOR(15K}
027 DTC114EE DIGITAL TRANSISTOR
028 SGM2014M FET
Q23 2S8A1832(GR} TRANSISTOR
030 2804738(GR} TRANSISTOR
031 DTC114EE DIGITAL TRANSISTOR
032 3SK241(R} FET
033 28K1824 FET
034 2SC5066(0} TRANSISTOR
035 28K1824 FET
036 28C4738(GR) TRANSISTOR
037 3SK2394 FET
038 2SK879{Y) FET
039 DTC114EE DIGITAL TRANSISTOR
040 28C4619{P,Q) TRANSISTOR
a41 2804738(GR} TRANSISTOR
042 DTC114EE DIGITAL TRANSISTOR
043 2SK879(Y} FET
044 3SK241{R) FET
045 .46 28C5066(0) TRANSISTOR
047 2S8C4619{P,Q} TRANSISTOR
048 DTC114EE DIGITAL TRANSISTOR
049 2S8C5066(0} TRANSISTOR E,E3
049 28C5066(0} TRANSISTOR M2,M3
O50 SGM2014M FET
39

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"