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DIGITAL VOICE REPEATER
This service manual describes the latest service information
for the ID-RP4000V DIGITAL VOICE REPEATER at the time
NEVER connect the transceiver to an AC outlet or to a DC
power supply that uses more than 15 V. This will ruin the
DO NOT reverse the polarities of the power supply when
connecting the transceiver.
DO NOT apply an RF signal of more than 20 dBm (100 mW) to
the antenna connector. This could damage the transceivers
To upgrade quality, any electrical or mechanical parts and
internal circuits are subject to change without notice or
Be sure to include the following four points when ordering
1. 10-digit order numbers
2. Component part number and name
3. Equipment model name and unit name
4. Quantity required
1110003491 S.IC TA31136FNG ID-RP4000V MAIN UNIT 5 pieces
8820001210 Screw 2438 screw ID-RP4000V Top cover 10 pieces
Addresses are provided on the inside back cover for your
Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United
Kingdom, Germany, France, Spain, Russia and/or other countries.
1. Make sure a problem is internal before disassembling
2. DO NOT open the transceiver until the transceiver is
disconnected from its power source.
3. DO NOT force any of the variable components. Turn
them slowly and smoothly.
4. DO NOT short any circuits or electronic parts. An
insulated tuning tool MUST be used for all adjustments.
5. DO NOT keep power ON for a long time when the
transceiver is defective.
6. DO NOT transmit power into a signal generator or a
7. ALWAYS connect a 50 dB to 60 dB attenuator between
the transceiver and a deviation meter or spectrum
analyzer when using such test equipment.
8. READ the instructions of test equipment thoroughly
before connecting equipment to the transceiver.
TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 DISASSEMBLY INSTRUCTIONS
SECTION 4 PARTS LIST
SECTION 5 MECHANICAL PARTS
SECTION 6 SEMICONDUCTOR INFORMATION
SECTION 7 BOARD LAYOUTS
SECTION 8 BLOCK DIAGRAM
SECTION 9 VOLTAGE DIAGRAM
SECTION 1 SPECIFICATIONS
Operating frequency range : Transmit 440450 MHz
Receive 440450 MHz
Type of emission : F1D* (GMSK)
*F7W for system operation
Transfer rate : 4.8 kbps
Frequency resolutions : 5, 6.25 kHz
Frequency stability : ±0.8 kHz (based on 25°C)
Usable temperature range : 10°C to +50°C; +14°F to +122°F
Antenna connectors : Type-N (50 ?)×2
Power supply requirement : 13.8 V DC ±15% (Negative ground)
Current drain : Transmit (High) Less than 7.0 A
(Low) Less than 3.0 A
Receive (Stand-by) Less than 0.7 A
Dimensions (proj. not included) : 483(W)×88(H)×428(D) mm; 19(W)×315/32(H)×1627/32(D) in
Weight (Approx.) : 7.5 kg; 16 lb 9 oz
Output power (at 13.8 V DC) : High 2330 W
Low 2.03.0 W
Modulation : GMSK
Modulation system : Quadrature modulation (244.8 MHz)
Occupied bandwidth : Less than 5.5 kHz
Spurious emissions : Less than 60 dB
Receive system : Double-conversion superheterodyne system
Intermediate frequencies : 1st 70.0 MHz
2nd 450 kHz
Sensitivity (BER 1×102) : Less than 7 dBµ (0.45 µV)
Selectivity (20 kHz offset) : More than 65 dB
Spurious and image rejection : More than 70 dB
Receive spurious : Less than 2 nW (57 dBm)
All stated speci? cations are subject to change without notice or obligation.
SECTION 2 INSIDE VIEWS
TX UNIT C RX UNIT
SECTION 5 SEMICONDUCTOR INFORMATION
2SA1362 GR 2SA1586 GR 2SB798 T2 DK 2SB934 P 2SC4081 T106 S
2SC4215 O 2SC4226 T1 R25 2SC4684 2SC5107 O 2SC5195
2SC5454 R54 2SD1619 T TD 2SD1801 S TL 2SD2216J 2SK2854
2SK2855 3SK241 DTA114EUA T106 DTA143TUA DTA144EUA T106
DTC143ZUA DTC144EUA T106 NE34018-T1 64 XP1214 XP4315
(Symbol: AEG) (Symbol: SG) (Symbol: DK) (Symbol: None) (Symbol: BS)
(Symbol: QO) (Symbol: R25) (Symbol: 2SC4684) (Symbol: MFO) (Symbol: 88)
(Symbol: R54) (Symbol: DB) (Symbol: CE) (Symbol: Y) (Symbol: UP)
(Symbol: UT) (Symbol: DU) (Symbol: 14) (Symbol: 93) (Symbol: 16)
(Symbol: 123) (Symbol: 26) (Symbol: V64) (Symbol: 9H) (Symbol: CB)
TRANSISTORS AND FET'S
AC A C
1SS355 1SS364 1SS372 1SV239 1SV282
1SV307 1SV308 DSA3A1 HSU88TRF MA2S077
MA2S728 MA8030 H MA8033 L MA8062 M MA8082 M
MA8091 M NNCD5.6C-T1 SB07-03C
(Symbol: A) (Symbol: BF) (Symbol: N9) (Symbol: TC) (Symbol: TD)
(Symbol: TX) (Symbol: TX) (Color: Green) (Symbol: 9) (Symbol: S)
(Symbol: B) (Symbol: 3^0) (Symbol: 3_3) (Symbol: 6-2) (Symbol: 8-2)
(Symbol: 9-1) (Symbol: NNCD5.6) (Symbol: J)
?99Y ?Y ?
1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan S-14309XZ-C1
© 2006 Icom Inc.
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