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VX-4500/-4600 Series VHF FM Transceiver Service Manual

Specifications

General

Frequency Ranges

134 -174 MHz

Number of Channels

8 channels (VX-4500 Series)
512 channels with 32 groups (VX-4600 Series)

Power Supply Voltage

13.6 V ± 20 %

Channel Spacing

12.5/20/25 kHz

Pll Steps

1.25/2.5/5/6.25 kHz

Current Consumption

(@13.6 V):

11 A (TX: 50 W), 6 A (TX: 25 W)
2.5 A (RX)
200 mA (RX: SQL Closed)

Operating Temperature Range

–22 °F to +140 °F (–30 °C to +60 °C)

Frequency Stability

±2.5 ppm (–22 °F to +140 °C [–30 °C to +60 °C])

Antenna Impedance

50 Ohms

Dimension

(W x H x D):

6.5" x 1.8" x 6.1" inch (165 x 45 x 155 mm) (W/O knob)

Weight

(Approx.):

2.8 lbs (1.25 kg)

Receiver:

measured by TIA/EIA-603

Circuit Type

Double-conversion Superheterodyne

Intermediate Frequency

1st: 50.85 MHz, 2nd: 450 kHz

Sensitivity

(12 dB SINAD):

0.25

Adjacent Channel Selectivity

70 dB (12.5 kHz)
75 dB (25 kHz)

Hum & Noise

40 dB (12.5 kHz)
45 dB (25 kHz)

Intermodulation

75 dB

Spurious & Image Rejection

80 dB

Audio Output

Internal: 4 W @20 Ohms, 5% THD
External: 12 W @4 Ohms, 5% THD

Transmitter:

measured by TIA/EIA-603

Modulation Type

Variable Reactance

Output Power

(selectable):

50/25/12.5/5 W

Emission Type

16K0F3E, 11K0F3E

Maximum Deviation

±2.5 kHz (12.5 kHz)
±5 kHz (25 kHz)

FM Hum & Noise:

40 dB (12.5 kHz)
45 dB (25 kHz)

Audio Distortion

< 3 % (@1 kHz)

Conducted Spurious Emission

70 dB below Carrier

Receiver:

measured by EN 300 086

Circuit Type

Double-conversion Superheterodyne

Intermediate Frequency

1st: 50.85 MHz, 2nd: 450 kHz

Sensitivity

(20 dB SINAD):

-5 dB

/-2dB

(25 kHz/12.5 kHz)

Adjacent Channel Selectivity

70 dB (12.5 kHz)
75 dB (25 kHz)

Hum & Noise

40 dB (12.5 kHz)
45 dB (25 kHz)

Intermodulation

70 dB

Spurious & Image Rejection

85 dB

Audio Output

Internal: 4 W @20 Ohms, 5% THD
External: 12 W @4 Ohms, 5% THD

Transmitter:

measured by EN 300 086

Modulation Type

Variable Reactance

Output Power

(selectable):

25/12.5/5/1 W

Emission Type

16K0F3E, 11K0F3E

Maximum Deviation

±2.5 kHz (12.5 kHz)
±5 kHz (25 kHz)

FM Hum & Noise:

40 dB (12.5 kHz)
45 dB (25 kHz)

Audio Distortion

< 3 % (@1 kHz)

Conducted Spurious Emission

< -36 dBm@<= 1 GHz, -30 dBm>@1 GHz

Specifications subject to change without notice or obligation.

Содержание VX-4500 Series

Страница 1: ...sult of typographical or other errors that may be present Your cooperation in pointing out any inconsistencies in the technical information would be appreciated 2011VERTEX STANDARD CO LTD EC093N90B VHF FM Transceiver VX 4500 Series VX 4600 Series Service Manual VX 4600 Series VX 4500 Series Specifications 2 DSUB 15 pin Accessory Connector 3 Exploded View Miscellaneous Parts 4 Block Diagram 5 Circu...

Страница 2: ...tput Internal 4 W 20 Ohms 5 THD External 12 W 4 Ohms 5 THD Transmitter measured by TIA EIA 603 Modulation Type Variable Reactance Output Power selectable 50 25 12 5 5 W Emission Type 16K0F3E 11K0F3E Maximum Deviation 2 5 kHz 12 5 kHz 5 kHz 25 kHz FM Hum Noise 40 dB 12 5 kHz 45 dB 25 kHz Audio Distortion 3 1 kHz Conducted Spurious Emission 70 dB below Carrier Receiver measured by EN 300 086 Circuit...

Страница 3: ...re 1 V No Signal Input through 2 5 V 50 dB Signal Input Pin 6 EXT PTT Shorting this port to ground causes the transceiver to be placed in the Transmit mode while opening the connection to this port returns the transceiver to the Receive mode Opening voltage is 5 V closed current approx 5 mA Pin 7 TRX This port is intended for controlling an external TX RX switching circuit When the transceiver is ...

Страница 4: ...4 VX 4500 4600 Series VHF FM Transceiver Service Manual Exploded View Miscellaneous Parts Non designated parts are available only as part of a designated assembly ...

Страница 5: ...5 Block Diagram VX 4500 4600 Series VHF FM Transceiver Service Manual ...

Страница 6: ...nwanted mixer products and remove amplitude varia tions in the 450 kHz IF before detection of the speech by the ceramic discriminator CD1001 Circuit Description 2 4 Audio amplifier Detected signal from Q1054 NJM2591V is delivered to Q1010 FQ0801 and is output by Q1010 FQ0801 pin 17 through the band pass filter When the optional unit is installed Q1010 FQ0801 is made OFF and theAF signal from Q1010...

Страница 7: ...rogrammed frequency between 184 85 and 224 85 MHz as 1st local signal While the radio is transmit ting the TX oscillator Q1036 2SC3356 in VCO generates a frequency between 134 and 174 MHz The output from the os cillator is amplified by buffer amplifier Q1029 2SC5226 and becomes output of VCO The output from the VCO is divided one is amplified by Q1039 2SC5226 and feed back to pin 17 of the PLL IC ...

Страница 8: ...e is necessary for complete realignment Correc tion of problems caused by misalignment resulting from use of improper test equipment is not covered under the warranty policy While most steps do not require all of the equipment listed the interactions of some adjustments may require that more complex adjustments be performed afterwards Do not attempt to perform only a single step unless it is clear...

Страница 9: ...e Installation of the alignment tool Install the CE115 PC Programming Software to your PC Alignment function in the Radio menu tab of CE115 Action of the switches When the transceiver is in the Alignment mode the action of the PTT and all PF KEYS are ignored All of the action is controlled by the PC Caution Please never turn off the power supply during alignment If the power supply is turned off d...

Страница 10: ... all items are to be aligned it is strongly rec ommended to align them according to the following se quence Detailed information for each step may be found in the Help file within CE115 PC Programming Soft ware 1 VCO Please do not adjust it 2 PLL Reference Frequency Frequency 3 RX Sensitivity RX Tune 4 Squelch SQL RSSI 5 TX Power High Low3 Low2 Low1 6 Maximum Deviation Wide Narrow Please adjust th...

Страница 11: ... the alignment The Frequency Alignment window will appear 2 Click the PTT button or press the SPACE bar and the radio will start to transmit on the center frequency channel 3 Set the value to get the desired frequency by dragging the slide bar clicking the up down button pressing the left or right arrow key or entering the value in the entry box 4 After getting the desired frequency click the PTT ...

Страница 12: ...rrow keys to switch to the desired channel for alignment 3 Set the Signal Generator according to the indication at the top of the screen Setting Your SG as followings 4 Drag the slide bar click the up down buttons press the left or right arrow key or enter the value in the entry box to get the best RX sensitivity Highest RSSI value on the selected channel 5 Click the OK button to finish the RX Sen...

Страница 13: ...SI W N The Alignment for the level 14 of the RSSI SQL level at Wide 5k 4k or Narrow 2 5k TX Save RSSI Level TX SAVE W N The Alignment for the TX Save RSSI level at Wide 5k 4k or Narrow 2 5k The procedure for all the alignments is as follows 1 Click the Start button to open the alignment win dow in the SQL RSSI Alignment menu 2 The Alignment window will appear Set the Signal Generator according to ...

Страница 14: ...el then the radio starts to transmit on the selected channel 4 Set the value to get desired output power on the Pow er Meter by dragging the slide bar clicking the up down button pressing the left or right arrow key or entering the value in the entry box on the selected chan nel 5 After getting the desired output power click the PTT button or press the SPACE bar to stop transmitting 6 Click the OK...

Страница 15: ...the slide bar or press the Up Down arrow key to select the desired chan nel 5 Click the PTT button or press the SPACE bar the radio starts to transmit on the selected channel 6 Set the value to get desired deviation Wide 4 2kHz Narrow 2 1kHz on the deviation meter by dragging the slide bar clicking the up down button pressing the left or right arrow key or entering the value in the entry box on th...

Страница 16: ...row key to select the desired chan nel 6 Click the PTT button or press the SPACE bar the radio starts to transmit on the selected channel 7 Write down the measured deviation level 8 Change the Generator input to pin 1 of the D SUB con nector to the following 40 Hz tone Sine Wave 24 dBm 9 Set the value to get deviation of step 7 by dragging the slide bar clicking the up down button pressing the lef...

Страница 17: ... tone on the select ed channel 4 Set the value to get desired deviation on the deviation meter by dragging the slide bar clicking the up down button pressing the left or right arrow key or enter ing the value in the entry box on the selected channel 5 After getting the desired deviation Wide 0 6 kHz Narrow 0 3 kHz click the PTT button or press the SPACE bar to stop transmitting 6 Click the OK butt...

Страница 18: ...de on the select ed channel 4 Set the value to get desired deviation Wide 0 6 kHz Narrow 0 3 kHz on the deviation meter by dragging the slide bar clicking the up down button pressing the left or right arrow key or entering the value in the entry box on the selected channel 5 After getting the desired deviation click the PTT but ton or press the SPACE bar to stop transmitting 6 Click the OK button ...

Страница 19: ...E bar to stop transmitting 5 Click the OK button to finish the DTMF Deviation alignment and save the data Sequential Tone Deviation This parameter is to align Sequential Tone Deviation 1 Press the Seq Tone button to start the alignment The Sequential Tone Deviation Alignment window will appear 2 Click the PTT button or press the SPACE bar the radio starts to transmit on the Center frequency chan n...

Страница 20: ...the alignment value in the New box Default 80 Input Range 0 Level Down 255 Level Up 3 Click the OK button the data will be saved and the alignment is complete TX MSK Level This parameter is to align the modulation level of the ANI function 1 Press the TX MSK button to start the alignment The TX MSK Level window will appear 2 Then input the alignment value in the New box Default 10 Input Range 0 Le...

Страница 21: ...utton to start the alignment The Ext AF Out Level window will appear 2 Connect the Generator to pin 1 of the D SUB connec tor Then inject a 1 kHz tone Sine Wave 40 dBu 3 Set the Peak signal level to 10 dBm 0 7 dB at 600 ohm on pin 2 of the D SUB connector by entering the alignment value in the New box Default 7 Input Range 0 Level Down 15 Level Up 4 Click the OK button the data will be saved and t...

Страница 22: ...gital access radio trunking system Each optional Unit is easily programmed the configula tions using a Vertex Standard CE115 programmer with an IBM PC compatible computer 1 Disconnect the DC power cable 2 Referring to Figure 1 grasp the Top Case Cover with both hands Lift up the Top Case Cover to remove while sprend both side of the Top Case Cover 3 Referring to Figure 2 remove the Shield Case Cov...

Страница 23: ...MAIN Unit Lot 1 3 23 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram ...

Страница 24: ...24 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A B A D C E F H G 1 2 3 4 5 MAIN Unit Lot 1 3 ...

Страница 25: ...25 VX 4500 4600 Series VHF FM Transceiver Service Manual 1 2 3 4 5 b a d c e f h g Parts Layout Side B MAIN Unit Lot 1 3 ...

Страница 26: ...MAIN Unit Lot 4 26 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram ...

Страница 27: ...27 VX 4500 4600 Series VHF FM Transceiver Service Manual MAIN Unit Lot 4 Parts Layout Side A B A D C E F H G 1 2 3 4 5 ...

Страница 28: ...28 VX 4500 4600 Series VHF FM Transceiver Service Manual MAIN Unit Lot 4 1 2 3 4 5 b a d c e f h g Parts Layout Side B ...

Страница 29: ...002 CERAMIC FILTER LTM450EW H3900574 A G4 CF1003 CERAMIC FILTER LTM450GW H3900573 A H4 F 1001 CHIP FUSE 1 25A FCC16 132ABTP Q0000109 A B1 F 1002 CHIP FUSE 1 25A FCC16 132ABTP Q0000109 A C5 Q 1001 IC NJM7808DL1A TE1 G1093802 A C3 Q 1003 IC TDA1519CTH G1093778 B g3 Q 1013 IC RA60H1317M1A 101 G1094554 POW 50 A C1 Q 1013 IC RA30H1317M1 101 G1094553 POW 25 A C1 Q 1042 FET 2SK880GR TE85R F G3808807G B d...

Страница 30: ...30 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram FRONT A Unit VX 4500 Lot 1 2 ...

Страница 31: ...31 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A 1 2 B A D C E b a d c e 1 2 Parts Layout Side B FRONT A Unit VX 4500 Lot 1 2 ...

Страница 32: ...32 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram FRONT A Unit VX 4500 Lot 3 ...

Страница 33: ...33 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A 1 2 B A D C E b a d c e 1 2 Parts Layout Side B FRONT A Unit VX 4500 Lot 3 ...

Страница 34: ...34 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram FRONT A Unit VX 4500 Lot 4 ...

Страница 35: ...35 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A Parts Layout Side B FRONT A Unit VX 4500 Lot 4 1 2 B A D C E b a d c e 1 2 ...

Страница 36: ...500 HOLDER LED RA124680A LIGHT GUIDE LED RA1246900 SHEET LED RA1254600 LED FILTER 8CH RA0997300 J 2004 LEAF SPRING RA1296700 1 2 B e1 J 2004 LEAF SPRING RA129670B 3 B e1 J 2004 LEAF SPRING RA129670C 4 B e1 J 2005 LEAF SPRING RA1296700 1 2 B a1 J 2005 LEAF SPRING RA129670B 3 B a1 J 2005 LEAF SPRING RA129670C 4 B a1 VR2001 POT RK09L1140 20KB J60800308 1 3 A B1 VR2001 POT RK09L1140C33 20KB J60800312 ...

Страница 37: ...37 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram FRONT B Unit VX 4600 Lot 1 2 ...

Страница 38: ...38 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A 1 2 B A D C E b a d c e 1 2 Parts Layout Side B FRONT B Unit VX 4600 Lot 1 2 ...

Страница 39: ...39 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram FRONT B Unit VX 4600 Lot 3 ...

Страница 40: ...40 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A 1 2 B A D C E b a d c e 1 2 Parts Layout Side B FRONT B Unit VX 4600 Lot 3 ...

Страница 41: ...41 VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram FRONT B Unit VX 4600 Lot 4 ...

Страница 42: ...42 VX 4500 4600 Series VHF FM Transceiver Service Manual Parts Layout Side A Parts Layout Side B FRONT B Unit VX 4600 Lot 4 1 2 B A D C E b a d c e 1 2 ...

Страница 43: ...20 5015134H02 M4090203 SP HOLDER RA1261500 DS3001 LCD GS 35720 TFZWU G6090201 A C1 J 3004 LEAF SPRING RA1296700 1 2 B e1 J 3004 LEAF SPRING RA129670B 3 B e1 J 3004 LEAF SPRING RA129670C 4 B e1 J 3005 LEAF SPRING RA1296700 1 2 B a1 J 3005 LEAF SPRING RA129670B 3 B a1 J 3005 LEAF SPRING RA129670C 4 B a1 Q 3001 TRANSISTOR 2SB1132 T100 R G3211327R B c1 Q 3003 IC HA178L09UA TL E G1094350 B d2 TH3001 TH...

Страница 44: ...44 DVS 8 Voice Storage Unit Option VX 4500 4600 Series VHF FM Transceiver Service Manual Circuit Diagram Parts Layout Side B Parts Layout Side A ...

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