Service manual
Table Of Contents
- Introduction
- Specifications
- DSUB 15-pin Accessory Connector
- Exploded View & Miscellaneous Parts
- Block Diagram
- Circuit Description
- Alignment
- Installation of Option
- RF Unit
- FRONT-C Unit (VX-4100)
- FRONT-D Unit (VX-4200)
- FVP-25 Encryption/DTMF Pager Unit (Option)
- DVS-5 Voice Storage Unit (Option)
- VTP-50 VX-Trunk Unit (Option)
Specifications
General Specifications
Receiver Specifications
Sensitivity EIA 12dB SINAD
EN 20dB SINAD
Adjacent Channel Selectivity EIA (W/N)
EN (W/N)
Intermodulation EIA (W/N)
EN
Spurious response Rejection EIA
EN
Audio output:
Spurious Radiations:
Transmitter Specifications
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Frequency Ranges:
Number of Groups:
Number of Channels:
Channel Spacing:
PLL Stepping:
Operation voitage:
Current drain Standby:
Receive:
Transmit:
Operating Temperature range:
Frequency Stability:
Dimensions (WxHxD):
Weight:
400 - 470 MHz
450 - 520 MHz
1 / 32
8 / 500 channels
12.5 / 20 / 25 kHz
5/6.25 kHz
10.8 - 15.6 VDC
0.3 A
2.5 A
11 A (50 W) / 6.0 A (2??5 W/EN)
-22°F to 140°F (-30°C to +60°C)
Better than ± 2.0ppm
6.5” x 1.7” x 6.1” (165mm x 43mm x 155mm)
3.1 lbs. (1.4 kg)
0.25 µV
-4 dB µV / -2 dB µV
80 / 70 dB
75 / 65 dB
80 / 75 dB
70 dB
80 dB
80 dB
Internal: 4W @ 32 ohms 3% THD 5W 8ohms 3% THD
External: 12W @ 4 ohms 3% THD
-57 dBm
RF power output
Maximum Frequency Deviation
(12.5/20/25kHz)
FM noise (W/N)
Audio distortion
Spurious Emissions (EN)
45W
±2.5/±4.5/±5.0 kHz
50 / 45 dB
Less than 3% @ 1kHz
-36 dBm < 1 GHz
-30 dBm > 1 GHz
Measurements per (EIA: TIA/EIA-603, EN:EN 300 086) standards unless noted above.Specifications subject to change without notice or obligation.
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