Page 1
UHF Digital/Analog
Vertex Standard LMR, Inc.
Mobile Transceiver
2014 Vertex Standard LMR, Inc.
©
EC114U90E
EVX-5300/-5400
Service Manual
EVX-5300 EVX-5400
Introduction
This manual provides technical information necessary for servicing the EVX-5300/-5400 UHF Digital/Analog Mobile Transceiver.
Servicing this equipment requires expertise in handling surface-mount chip components. Attempts by non-qualied persons to
service this equipment may result in permanent damage not covered by the warranty, and may be illegal in some countries.
Two PCB layout diagrams are provided for each double-sided circuit board in the transceiver. Each side of is referred to by the
type of the majority of components installed on that side (“leaded” or “chip-only”). In most cases one side has only chip components, and the other has either a mixture of both chip and leaded components (trimmers, coils, electrolytic capacitors, ICs,
etc.), or leaded components only.
As described in the pages to follow, the advanced microprocessor design of the EVX-5300/-5400 allows a complete alignment
of this transceiver to be performed without opening the case of the radio; all adjustments can be performed from the personal
computer, using with the Vertex Standard FIF-12 USB Programming Interface and CE142 Software.
While we believe the technical information in this manual to be correct, Vertex Standard assumes no liability for damage that
may occur as a result of typographical or other errors that may be present. Your cooperation in pointing out any inconsistencies
in the technical information would be appreciated.
Important Note
This transceiver is assembled using Pb (lead) free solder, based on the RoHS specication.
Only lead-free solder (Alloy Composition: Sn-3.0Ag-0.5Cu) should be used for repairs performed on this apparatus.
The solder stated above utilizes the alloy composition required for compliance with the lead-free specication, and any
solder with the above alloy composition may be used.
Contents
Specications
USA/EXP Models ...................................... 2
EU Model ................................................... 3
DSUB 15-pin Accessory Connector
Exploded View & Miscellaneous Parts
Parts List
Block Diagram
Circuit Description
........................................................6
............................................... 8
..................................... 10
............. 4
....... 5
Alignment..................................................... 12
Circuit Diagram
MAIN Unit (FR026490A: TYPE “G6”) ...... 23
MAIN Unit (FR024860B: TYPE “G7”) ...... 25
MAIN-2 Unit (FR026490A: TYPE “G7”) ... 27
FRONT-A Unit (FR024850C: EVX-5300
) ..
29
FRONT-B Unit (FR025010C: EVX-5400) .. 30
EVX-5300/-5400 UHF Service Manual 1
Page 2
Specications (USA/EXP Models
General
Frequency Range: 403-470 MHz (Type “G6”)
450-520 MHz (Type “G7”) (USA Model: 450-512 MHz)
Channel / Group: 8 Channel / 1 Group (EVX-5300)
512 Channel / 32 Group (EVX-5400)
Channel Spacing: 12.5 / 25 kHz (Analog) (USA Model: 12.5 kHz)
12.5 kHz (Digital)
Emission Type: 16K0F3E / 11K0F3E (Analog)
7K60F1E / 7K60FXE (Digital: 12.5 kHz Voice)
7K60F1D / 7K60FXD (Digital: 12.5 kHz Data)
7K60F1W (Digital: Combination of 12.5 kHz Voice & Data)
Power Supply Voltage (Rated): 13.6 V DC ±20 %
Current Consumption: 11 A (45 W TX)
7 A (25 W TX)
2.5 A (RX, AF Power Max.)
Temperature Range: –22 °F to +140 °F (–30 °C to +60 °C)
Antenna Impedance: 50 ohm (unbalanced)
Case Size (W x H x D): 6.5” x 1.8” x 6.1” (165 x 45 x 155 mm)
Weight (Approx.): 2.8 lbs (1.25 kg)
)
Receiver:
Circuit Type: Double Conversion Super-heterodyne
IF 50.85 MHz / 101.7 MHz
Sensitivity: 0.25 µV (Analog, 12 dB SINAD)
0.28 µV (Digital, 1 % BER)
Adjacent Channel Selectivity: 70 dB (25 kHz Step, TIA603)
60 dB (12.5 kHz Step, TIA603)
Intermodulation: 70 dB (Analog)
Spurious Rejection: 65 dB (Analog)
Audio output: 4 W (internal @ 20 ohm 5% THD)
12 W (external @ 4 ohm 5% THD)
Transmitter:
Output Power: 45 / 25 / 10 W (45 W Model)
25 / 10 / 5 W (25 W Model)
Frequency Stability: ±1.5 ppm
Modulation Type: Sigma Delta Modulation
Maximum Deviation: ±5.0 kHz (25 kHz Step, Analog)
±2.5 kHz (12.5 kHz Step, Analog)
1745 Hz - 2138 Hz (12.5 kHz Step, Symbol Deviation)
FM Noise: –45 dB (25 kHz Step)
–40 dB (12.5 kHz Step)
Conducted Spurious Emissions: Better then 70 dBc
Audio Distortion: 3 % @1 kHz
Microphone Impedance: 600 ohm
Specications subject to change without notice or obligation.
Measured by TIA603/603D
Measured by TIA603/603D
EVX-5300/-5400 UHF Service Manual 2
Page 3
Specications (EU Model
General
Frequency Range: 403-470 MHz
Channel / Group: 8 Channel / 1 Group (EVX-5300)
512 Channel / 32 Group (EVX-5400)
Channel Spacing: 12.5 / 20 / 25 kHz (Analog)
12.5 kHz (Digital)
Emission Type: 16K0F3E / 14K0F3E / 11K0F3E (Analog)
7K60F1E / 7K60FXE (Digital: 12.5 kHz Voice)
7K60F1D / 7K60FXD (Digital: 12.5 kHz Data)
7K60F1W (Digital: Combination of 12.5 kHz Voice & Data)
Power Supply Voltage (Rated): 13.6 V DC ±20 %
Current Consumption: 7 A (25 W TX)
2.5 A (RX, AF Power Max.)
Temperature Range: –30 °C to +60 °C
Antenna Impedance: 50 ohm (unbalanced)
Case Size (W x H x D): 165 x 45 x 155 mm
Weight (Approx.): 1.25 kg
)
Receiver:
Circuit Type: Double Conversion Super-heterodyne
IF 50.85 MHz / 101.7 MHz
Sensitivity: 0.4 µV (Analog, 20 dB SINAD)
0.28 µV (Digital, 1 % BER)
Adjacent Channel Selectivity: 70 dB (20 / 25 kHz Step, Analog)
60 dB (12.5 kHz Step, Analog)
Intermodulation: 65 dB (Analog)
Spurious Rejection: 70 dB (Analog)
Audio output: 4 W (internal @ 20 ohm 5% THD)
12 W (external @ 4 ohm 5% THD)
Transmitter:
Output Power: 25 / 10 / 5 W
Frequency Stability: ±1.5 ppm
Modulation Type: Sigma Delta Modulation
Maximum Deviation: ±5.0 kHz (25 kHz Step, Analog)
±4.0 kHz (20 kHz Step, Analog)
±2.5 kHz (12.5 kHz Step, Analog)
1745 Hz - 2138 Hz (12.5 kHz Step, Symbol Deviation)
FM Noise: –45 dB (25 kHz Step)
–40 dB (12.5 kHz Step)
Conducted Spurious Emissions: –36 dBm @
Audio Distortion: 3 % @1 kHz
Microphone Impedance: 600 ohm
Specications subject to change without notice or obligation.
Measured by ETS 300 086
Measured by ETS 300 086
<
1 GHz, –30 dBm @>1 GHz
=
EVX-5300/-5400 UHF Service Manual 3
Page 4
DSUB 15-pin Accessory Connector
Pin 1: AF IN (Analog Input)
External Microphone Input. Nominal input level is 4 mV
(or –47 dBm; programmed via the CE142 programmer) at
600-ohm.
Pin 2: AF OUT (Analog Output)
Low-level receiver output. Peak signal level is –10 dBm
at 600-ohm.
Pin 3: AF GND
Ground for all logic levels and power supply return.
Pin 4: DC OUT (13.6 V DC Output)
Switched 13.6V output for supplying power to an accessory.
Maximum output current is 1 A.
Pin 5: RSSI (Analog Output)
A DC voltage proportional to the strength of the signal
currently being received (Receiver Signal Strength Indicator) is provided on this pin. This low impedance output is
generated by the receiver IF sub-system and buffered by
an internal op-amp. Typical output voltages are 0.1 V (@
No Signal Input) through 2.0 V (@50 dBµ Signal Input).
Pin 7: TRX
This port is intended for controlling an external TX/RX
switching circuit. When the transceiver is placed in the
Receiver mode, this port is 5 V. When the transceiver is
placed in the Transmit mode, this port reduce to 0 V.
This port is open drain output which can sink approx. 50
mA when active.
Pin 8: IGN (Ignition Sense feature)
The EVX-5300/-5400 may be automatically be switched
to the STND-BY mode when the vehicle’s ignition key is
turned on. Maximum current is 20 mA.
Pin 9-12: ACC1 - ACC4 (Accessory Port)
These port features can be programmed via the CE142
programmer. Each port is open drain output which can
sink approx. 50 mA when active. Max. output 16 V.
When the input is selected, it becomes active between 2 V
and 16 V.
Pin 13: ACC5 (Accessory Port)
The port 5 is available to set only for Output function, and
active logic is opposite side against the Port 1 ~ 4.
Max. output 5 V, closed current approx. 1 mA (CMOS
output).
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 14: ACC6 (Accessory Port)
The port 6 is available to set only for Input function, and
active logic is opposite side against the Port 1 ~ 4.
Max. input 5 V (CMOS input).
Pin 15: GND
Chassis ground
EVX-5300/-5400 UHF Service Manual 4
Page 5
EVX-5300 FRONT PANEL
RA1252400
SPECIAL NUT (M9)
RA1245900
VOLUME KNOB
CB6650000
FRONT-A Unit
RA1486200
RUBBER KNOB
M4090203
SPEAKER
Exploded View & Miscellaneous Parts
RA123420B
TOP COVER
RA1261500
SP HOLDER
RA1234300
PACKING PAD (COVER)
EVX-5300 FRONT PANEL ASSY (Component
FRONT PANEL ASSY (8ch
NAME PLATE (EVX-5300
FRONT-A Unit (Component
Printed Circuit Board with Components
CONNECTOR
LED
HOLDER (LED
LIGHT GUIDE (LED
SHEET (LED
LED FILTER (8CH
BLIND SHEET (L10
SUPPLIED ACCESSORIES
DESCRIPTION VXSTD P/N QTY.
DC CABLE
45 W Mode: 02P 15A UL 2.8M T9026415 1
25 W Mode: 02P 10A UL 2.8M T9026510 1
BLADE FUSE
50 W Mode: ATY-N15 Q0000175 1
25 W Mode: ATY-N10 Q0000177 1
BRACKET RA1234700 1
KNOB SCREW RA079060A 2
HEX HEAD BOLT (HSM5X12B
DOUBLE FACE R7069960 1
BRACKET MOUNTING SCREWS
PAN HEAD SCREW (M5X20
PAN HEAD TAPPING (5X20 #1
HEX NUT (N5
SPRING LOCK WASHER (SW5B)U71005007 2
PLAIN WASHER (FW5
TOOTHED LOCK WASHER (OW5)U72005007 4
No. VXSTD P/N DESCRIPTION QTY.
U03308002 SEMS SCREW ASM3X8NI 2
Q0000175 BIND HEAD TAPTITE-B M3X8 12
U72005007 SPRING LOCK WASHER SW2.6 2
)
)
)
)
U9900209 2
U00520001 4
)
U40520101 4
U60500301 4
U70005001 8
CB6649000
EVX-5300 FRONT PANEL ASSY
)
)
)
)
)
) (
)
)
3 pcs
)
)
EVX-5400 FRONT PANEL ASSY (Component
FRONT PANEL ASSY (512ch
NAME PLATE (EVX-5400
FRONT-B Unit (Component
Printed Circuit Board with Components
CONNECTOR
LCD
LIGHT GUIDE (LCD
LCD HOLDER
INTER CONNECTOR
REFLECTOR SHEET (093
REFLECTOR SHEET (SUB
SPONGE RUBBER (LCD
BLIND SHEET (L10
MAIN Unit / MAIN-2 Unit (Component
Printed Circuit Board with Components
WIRE ASSY (DC Power Cord
CHASSIS ASSY (Component
CHASSIS
SPONGE RUBBER (FW
PAD (10X17
PAD (20X20X4
PAD (DIODE
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
EVX-5400 FRONT PANEL
RUBBER KNOB
RA1252400
SPECIAL NUT (M9)
)
RA1245900
VOLUME KNOB
TYPE “G6”, 25W: G1095437 (RA30H3847M1A)
TYPE “G7”, 25W: G1095438 (RA30H4452M1A)
TYPE “G6”, 45W: G1095428 (RA60H3847M1A)
TYPE “G7”, 45W: G1095429 (RA60H4452M1A)
IC (Power Module)
RA127870A
SHIELD CASE COVER (JACK)
CB6656000 (EVX-5300, TYPE “G6”, 45W)
CB6657000 (EVX-5300, TYPE “G6”, 25W)
CB6658000 (EVX-5400, TYPE “G6”, 45W)
CB6659000 (EVX-5400, TYPE “G6”, 25W)
MAIN Unit (FR026490A w/DC Power Cord)
CB6645000 (EVX-5300, TYPE “G7”, 45W)
CB6646000 (EVX-5300, TYPE “G7”, 25W)
CB6647000 (EVX-5400, TYPE “G7”, 45W)
CB6648000 (EVX-5400, TYPE “G7”, 25W)
MAIN Unit (FR024860B w/DC Power Cord)
CB6728000 (EVX-5300, TYPE “G7”, 45W)
CB6729000 (EVX-5300, TYPE “G7”, 25W)
CB6730000 (EVX-5400, TYPE “G7”, 45W)
CB6731000 (EVX-5400, TYPE “G7”, 25W)
MAIN Unit (FR026490A w/DC Power Cord)
RA1264700
EXT CAP
RA127990A
INSULATOR (10X5)
T92075281
WIRE ASSY
RA125440A
PAD (10X17)
RA129240A
SPONGE RUBBER (FW)
CB6652000
FRONT-B Unit
RA1486200
M4090203
SPEAKER
CB6651000
EVX-5400 FRONT PANEL ASSY
Non-designated parts are available only as parts of a designated assembly.
RA1261500
SP HOLDER
RA1234400
PACKING PAD (PANEL)
RA123460A
SHIELD CASE COVER (TOP)
RA0790300
SHIELD CASE (POWER)
DSUB CONNECTOR
ACCESSORY
Q9000375
SURGE ABSORBER
T9207533
WIRE ASSY
RA123740A
PAD (20X20X4)
RA079080A
PAD (DIODE)
P1091362 (BNC)
P1091412A (mini-UHF)
CONNECTOR
RA123450B
CHASSIS
EVX-5300/-5400 UHF Service Manual 5
Page 6
Parts List
REF. DESCRIPTION VALUE MFR’s DESIG VXSTD P/N
PCB with Components
FRONT-A UNIT (FR024850C: EVX-5300)
FRONT-B UNIT (FR025010B: EVX-5400)
MAIN UNIT (FR026490A, w/DC Power Cord, w/o Q1046 PA Module)
Please conrm the rmware version when replace the MAIN UNIT
MAIN UNIT (FR024860B, w/DC Power Cord, w/o Q1046 PA Module)
Please conrm the rmware version when replace the MAIN UNIT
MAIN-2 UNIT (FR026490A, w/DC Power Cord, w/o Q1046 PA Module)
Please conrm the rmware version when replace the MAIN-2 UNIT
CB6650000
CB6652000
CB6656000: EVX-5300, TYPE “G6”, 45W
CB6657000: EVX-5300, TYPE “G6”, 25W
CB6658000: EVX-5400, TYPE “G6”, 45W
CB6659000: EVX-5400, TYPE “G6”, 25W
CB6645000: EVX-5300, TYPE “G7”, 45W
CB6646000: EVX-5300, TYPE “G7”, 25W
CB6647000: EVX-5400, TYPE “G7”, 45W
CB6648000: EVX-5400, TYPE “G7”, 25W
CB6728000: EVX-5300, TYPE “G7”, 45W
CB6729000: EVX-5300, TYPE “G7”, 25W
CB6730000: EVX-5400, TYPE “G7”, 45W
CB6731000: EVX-5400, TYPE “G7”, 25W
EVX-5300 FRONT PANEL ASSY (CB6649000
FRONT PANEL ASSY 8ch RA1492800
NAME PLATE EVX-5300 RA1491400
EVX-5400 FRONT PANEL ASSY (CB6651000
FRONT PANEL ASSY 512ch RA1492900
NAME PLATE EVX-5400 RA1515800
Mechanical Parts (Chassis
CHASSIS RA123450B
SPONGE RUBBER FW RA129240A
PAD 10X17 RA125440A
PAD 20X20X4 RA123740A
PAD DIODE RA079080A
Mechanical Parts (Miscellaneous
TOP CASE RA123420B
PACKING PAD COVER RA1234300
SHIELD CASE COVER TOP RA123460A
SHIELD CASE POWER RA0790300
SHIELD CASE COVER JACK RA127870A
EXT CAP RA1264700
INSULATOR 10X5 RA127990A
PACKING PAD PANEL RA1234400
SP HOLDER RA1261500
RUBBER KNOB RA1486200
VOLUME KNOB RA1245900
SPECIAL NUT (M9) RA1252400
SEMS SCREW 2 pcs ASM3X8NI U03308002
BIND HEAD TAPTITE-B 12 pcs M3X8 Q0000175
SPRING LOCK WASHER 2 pcs SW2.6 U72005007
)
)
)
)
Electrical Parts SPEAKER 20-ohm 5015134H02 M4090203 CONNECTOR ANT (mini-UHF) P1091412A CONNECTOR ANT (BNC) P1091362 SURGE ABSORBER DSP201M-S00B Q9000375 WIRE ASSY T92075281 WIRE ASSY DC Power Cord T9207533
EVX-5300/-5400 UHF Service Manual 6
Page 7
Parts List
REF. DESCRIPTION VALUE MFR’s DESIG VXSTD P/N
MAIN UNIT (FR026490A & FR024860B) Electrical Parts
F 1001 CHIP FUSE 1.25A, 36V FCC16 132ABTP Q0000109
F 1002 CHIP FUSE 1.25A, 36V FCC16 132ABTP Q0000109
F 1003 CHIP FUSE 1.25A, 36V FCC16 132ABTP Q0000109
J 1001 CONNECTOR 52793-2070 P1091408
J 1002 CONNECTOR AXK6S30547YG P0091578
J 1003 CONNECTOR AE0195-00E P1091177
J 1004 CONNECTOR HSJ6062-0450 P1091168
Q 1046 IC “G6”, 25W RA30H3847M1A-122 G1095437
Q 1046 IC “G6”, 45W RA60H3847M1A-122 G1095428
Q 1046 IC “G7”, 25W RA60H4452M1A-122 G1095429
Q 1046 IC “G7”, 45W RA60H4452M1A-122 G1095429
Q 1052 FET RD01MUST113 G3070321
X 1001 XTAL 32.768kHz 4809995L18 32.768KHZ H0103407
X 1002 TCXO 19.2MHz TTS27NSC-A7 19.2MHZ H9501380
XF1001 XTAL FILTER DSF753SDF 50.85MHZ H1102479
MAIN-2 UNIT (FR026490A) Electrical Parts
F 4001 CHIP FUSE 1.25A, 36V FCC16 132ABTP Q0000109
F 4002 CHIP FUSE 1.25A, 36V FCC16 132ABTP Q0000109
F 4003 CHIP FUSE 1.25A, 36V FCC16 132ABTP Q0000109
J 4001 CONNECTOR 52793-2070 P1091408
J 4002 CONNECTOR AXK6S30547YG P0091578
J 4003 CONNECTOR AE0195-00E P1091177
J 4004 CONNECTOR HSJ6062-0450 P1091168
Q 4046 IC 25W RA30H4452M1A-122 G1095438
Q 4046 IC 45W RA60H4452M1A-122 G1095429
Q 4052 FET RD01MUST113 G3070321
X 4001 XTAL 32.768kHz 4809995L18 32.768KHZ H0103407
X 4002 TCXO 19.2MHz TTS27NSC-A7 19.2MHZ H9501380
XF4001 XTAL FILTER DSF753SDF 50.85MHZ H1102479
FRONT-A UNIT (FR024850C: EVX-5300) Electrical & Mechanical Parts
DS2001 LED ELS-512SURWA/S530-A3 G2090796
J 2001 CONNECTOR 43090-1505 P1091319
J 2002 CONNECTOR 52793-2070 P1091408
J 2003 CONNECTOR 53260271 P0091500
J 2004 LEAF SPRING RA129670C
J 2005 LEAF SPRING RA129670C
VR2001 POT. RK09L1140C33 20KB J60800312
LIGHT GUIDE LED RA1246900
HOLDER LED RA124680A
SHEET LED RA1254600
BLIND SHEET L10 RA1301400
LED FILTER 8CH RA0997300
FRONT-B UNIT (FR025010B: EVX-5400) Electrical & Mechanical Parts
DS3001 LCD GS-35720-TFZWU G6090201
J 3001 CONNECTOR 43090-1505 P1091319
J 3002 CONNECTOR 52793-2070 P1091408
J 3003 CONNECTOR 53260271 P0091500
J 3004 LEAF SPRING RA129670C
J 3005 LEAF SPRING RA129670C
TH3001 THERMISTOR ERTJ0EV473J G9090120
VR3001 POT. RK09L1140C33 20KB J60800312
LCD HOLDER RA1244600
LIGHT GUIDE LCD RA124470A
INTER CONNECTOR RA1244800
SPONGE RUBBER LCD RA0786900
REFRECTOR SHEET 093 RA1288200
REFRECTOR SHEET SUB RA1292600
BLIND SHEET L10 RA1301400
When replace a chip fuse,
use the part of the same type and value.
EVX-5300/-5400 UHF Service Manual 7
Page 8
Block Diagram
MAIN Unit/MAIN-2 Unit (EVX-5300/-5400
)
EVX-5300/-5400 UHF Service Manual 8
Page 9
Block Diagram
FRONT-A Unit (EVX-5300
)
FRONT-B Unit (EVX-5400
)
EVX-5300/-5400 UHF Service Manual 9
Page 10
Circuit Description
1. Receiver System
1-1. Front-end rF ampliFier
Incoming RF signal from the antenna passes through the
Low-pass lter, antenna switching diode D1014, D1016 (both
JDP2S12CR), and the 1st RF attenuator Q1037 (SKY12338),
and then removed undesired frequencies by the varactor tuned
band-pass lter D1022 and D1023 (both 1SV323).
The filtered RF signal is amplified by Q1045 (2SC3356)
and then passes through the varactor tuned band-pass filter
D1026, D1027, D1061 (all 1SV323) and the 2nd RF attenuator Q1050 (SKY12338), and then applied to the 1st mixer
Q1053 (AK1220).
1-2. First mixer
The RF signal is mixed with the 1st local signal between
352.15 and 419.15 MHz (Type “G6”) or 399.15 and 469.15
MHz (Type “G7”) in the 1st mixer Q1053 (AK1220), to produce 50.85 MHz 1st IF signal.
The 1st local signal is generated by the VCO, which consists
of Q1055 (2SK508), varactor diodes D1029 (1SV279), D1032
(Type “G6”: 1SV279, Type “G7”: 1SV280), D1036 (1SV279),
and D1037 (Type “G6”: 1SV279, Type “G7”: 1SV280). The
1st local signal is supplied to the 1st mixer Q1053 (AK1220)
through the buffer amplifier Q1064 (2SC5006) and Q1066
(2SC5226).
1-3. iF ampliFier & demodulator
The 1st IF signal is applied to the monolithic crystal filter
XF1001 to strip away all but the desired signal, and then supplied to the custom IC Q1070 (RFIC) through the IF amplier
Q1068 (2SC5226). The custom IC Q1070 (RFIC) converts
the 1st IF signal into the Base Band signal.
The Base Band signal from the custom IC Q1070 (RFIC) is
applied to another custom IC Q1001 (OMAP), which is demodulated by the Digital Signal Processor.
1-4. audio ampliFier
The demodulated signal from the custom IC Q1001 (OMAP)
is applied to another custom IC Q1044 (PMAIC), which
convert to analog signal. The output signal from the custom
IC Q1044 (PMAIC) is applied to the AF amplifier Q1015
(NJM12902) and Q1027 (TDA1519CTH). The output signal
from Q1027 (TDA1519CTH) is applied to the front panel
audio speaker or external speaker which is connected to the
EXT SP jack (J1004).
2. Transmitter System
2-1. miC ampliFier & modulator
The speech signal from the external microphone which connected to the J2001 (EVX-5300) or J3001 (EVX-5400) is
supplied to the AF amplier Q2005 (NJM2125: EVX-5300)
or Q3010 (NJM2125: EVX-5400), and then applied to the
custom IC Q1044 (PMAIC), which is amplified the speech
signal.
The amplified speech signal from the custom IC Q1044
(PMAIC) is supplied to another custom IC Q1001 (OMAP),
which process the speech signal by the Digital Signal Processor.
The processed speech signal from the custom IC Q1001
(OMAP) is supplied to the modulator section of the custom
IC Q1070 (RFIC), which modulates the speech signal into the
FM or digital signal.
2-2. drive & Final ampliFier stages
The modulated signal from the custom IC Q1070 (RFIC)
is buffered by Q1061 (2SK3077) and amplified by Q1052
(RD01MUS1), and then is applied to the Power Module
Q1046 (RA60H3847M1A: Type “G6”, RA60H4452M1A:
Type “G7”), which is amplied up to 45 watts output power.
The transmit signal then passes through the antenna switch
D1018 and D1019 (both MA4P959) and is low pass ltered
to suppress away harmonic spurious radiation before delivery
to the antenna.
2-3. automatiC transmit power Control
T he f o r ward p ower o f th e Powe r Modul e Q104 6
(RA60H3847M1A: Type “G6”, RA60H4452M1A: Type
“G7”) is detected by D1020 (HSM88AS), and then applied to
the comparator Q1074 (ADM8566ARM).
The comparator Q1074 (ADM8566ARM) compares detected
voltage of forward power and power control voltage from
custom IC Q1070 (RFIC), makes output power stable by controlling the bias voltage RF amplier Q1052 (RD01MUS1).
Additionally, output voltage of operational amp Q1043 (ADM8566ARM) is supplied to Power Module. The output level
is controlled by Q1070 (RFIC) to three level (45 watt model)
or two level (25 watt model).
The Reection power from the antenna is detected by D1021
(HSM88AS), Automatic transmission power control circuit
protect equipment. For example, when the antenna is not connected.
EVX-5300/-5400 UHF Service Manual 10
Page 11
Circuit Description
3. PLL Frequency Synthesizer
The frequency synthesizer consists of VCO, TCXO (X1002),
and the custom IC Q1070 (RFIC).
The output frequency from TCXO is 19.2 MHz and the tolerance is ±1.5 ppm in the temperature range –22 °F to +140 °F
(–30 °C to +60 °C).
3-1. vCo (voltage Controlled osCillator
While th e radio is receiving, the RX oscillator Q1055
(2SK508) generates a programmed frequency between 352.15
and 419.15 MHz (Type “G6”) or 399.15 and 469.15 MHz
(Type “G7”) as 1st local signal.
While the radio is transmitting, the TX oscillator Q1054
(2SK508) generates a frequency between 403-470 MHz (Type
“G6”) or 450-520 MHz (Type “G7”).
The output from oscillator is amplified by buffer amplifier
Q1064 (2SC5006) and then is divided, one is fed back to the
PLL Circuit in the custom IC Q1070 (RFIC). The other one
is supplied to the 1st mixer Q1053 (AK1220) in case of the
reception. In the transmission, the output is modulated to the
FM (or digital) in the custom IC Q1070 (RFIC), and then
supplied to the transmitter section described previously.
)
3-2. vCv (varaCtor Control voltage) Control
The tuning voltage (VCV) of the VCO establishes the lock
range of VCO by controlling the cathode of varactor diode
(D1029 (1SV279), D1032 (Type “G6”: 1SV279, Type “G7”:
1SV280), D1036 (1SV279), and D1037 (Type “G6”: 1SV279,
Type “G7”: 1SV280) for receiving, and D1028 (1SV279),
D1031 (Type “G6”: 1SV279, Type “G7”: 1SV280), D1034
(1SV279), & D1035 (Type “G6”: 1SV279, Type “G7”:
1SV280) for transmitting) from the custom IC Q1070 (RFIC).
3-3. pll
The main constitution product of the PLL is equipped all with
in the custom IC Q1070 (RFIC), so that all processing regarding the frequency control is performed in the custom IC
Q1070 (RFIC).
EVX-5300/-5400 UHF Service Manual 11
Page 12
Alignment
Introduction
The EVX-5300/-5400 has been aligned at the factory for the
specied performance across the entire frequency range specied. Realignment should therefore not be necessary except
in the event of a component failure. All component replacement and service should be performed only by an authorized
Vertex Standard representative, or the warranty policy may be
voided.
The following procedures cover the sometimes critical and
tedious adjustments that are not normally required once the
transceiver has left the factory. However, if damage occurs
and some parts are replaced, realignment may be required. If
a sudden problem occurs during normal operation, it is likely
due to component failure; realignment should not be done until after the faulty component has been replaced.
We recommend that servicing be performed only by authorized Vertex Standard service technicians who are experienced with the circuitry and fully equipped for repair and
alignment. Therefore, if a fault is suspected, contact the dealer from whom the transceiver was purchased for instructions
regarding repair. Authorized Vertex Standard service technicians realign all circuits and make complete performance
checks to ensure compliance with factory specications after
replacing any faulty components. Those who do undertake
any of the following alignments are cautioned to proceed at
their own risk. Problems caused by unauthorized attempts
at realignment are not covered by the warranty policy. Also,
Vertex Standard must reserve the right to change circuits
and alignment procedures in the interest of improved performance, without notifying owners. Under no circumstances
should any alignment be attempted unless the normal function and operation of the transceiver are clearly understood,
the cause of the malfunction has been clearly pinpointed and
any faulty components replaced, and the need for realignment
determined to be absolutely necessary. The following test
equipment (and thorough familiarity with its correct use) is
necessary for complete realignment. Correction 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 clearly isolated electrically
from all other steps. Have all test equipment ready before
beginning, and follow all of the steps in a section in the order
presented.
Required Test Equipment
Radio Tester with calibrated output level at 600 MHz
r
In-line Wattmeter with 5% accuracy at 600 MHz
r
50-ohm, 100 W RF Dummy Load
r
Regulated DC Power Supply (standard 13.6 VDC, 15 A)
r
Frequency Counter: ±0.2 ppm accuracy at 600 MHz
r
AF Signal Generator
r
AC Voltmeter
r
DC Voltmeter
r
UHF Sampling Coupler
r
IBM PC/Compatible Computer with Microsoft® Win-
r
dows® 2000, XP, Vista, or 7
Vertex Standard CE142 PC Programming Software
r
Vertex Standard FIF-12 USB Programming Interface and
r
CT-104A or CT-171 PC Programming Cable
Vertex Standard FRB-6 Tuning Interface Box and CT-159
r
Connection Cable
Alignment Preparation & Precautions
A 50- RF Dummy Load and in-line wattmeter must be connected to the main antenna jack in all procedures that call
for transmission, except where specified otherwise. Correct
alignment is not possible with an antenna.
After completing one step, read the following step to determine whether the same test equipment will be required. If not,
remove the test equipment (except dummy load and wattmeter, if connected) before proceeding.
Correct alignment requires that the ambient temperature be
the same as that of the transceiver and test equipment, and
that this temperature be held constant between 20 °C and 30
°C. When the transceiver is brought into the shop from hot or
cold air, it should be allowed time to come to room temperature before alignment.
Whenever possible, alignments should be made with oscillator shields and circuit boards rmly afxed in place. Also, the
test equipment must be thoroughly warmed up before beginning.
Note: Signal levels in dB referred to in this procedure are
based on 0 dBµ EMF = 1.0 µV.
Test Setup
Setup the test equipment as shown below for transceiver
alignment, then apply 13.6 V DC power to the transceiver.
SP/LOAD Switch: LOAD
50-ohm
Dummy Load
Inline
Wattmeter
Deviation
Meter
Frequency
Counter
Generator
Sampling
Coupler
RF Signal
Transceiver
ANT
Power Supply
13.6 VDC
DC INPUT
MIC & EXT SP
D-Sub 15-pin
Connector
CT-159
LOAD Switch: 4
CLONE Port
FIF-12
SP OUT B
FRB-6
SINAD Meter
MIC IN
CT-104A or CT-171
AF Signal
Generator
Computer
(
CE142
)
EVX-5300/-5400 UHF Service Manual 12
Page 13
Alignment
The Alignment Tool Outline
Installation the tool
Install the CE142 PC Programming Software to your PC.
r
Execute the “Alignment” function in the “Radio” menu of
r
CE142.
ê
Action of the switches
When the transceiver is in “Alignment Mode”, the action of
PTT and KEY is ignored. All of the action is remote controlled by Computer.
Alignment Mode
In the “Alignment Mode”, the aligned data written in the
radio will be able to re-align its alignment data. The value
of each parameter can be changed to desired position by
“”/“” arrow key for data up/down, “”/“” arrow
key for channel up/down, direct number input, and drag the
mouse.
Note: when all items are aligned, it is strongly recommended
to align according to following order. The detail information
is written in the help document of CE142 PC Programming
Software.
1. VCO (conrmation only)
2. PLL Reference Frequency (Frequency)
3. RX Sensitivity (RX Tune)
4. Squelch (SQL/RSSI)
5. TX Power <High/Low3/Low2>
6. Maximum Deviation <Wide/Narrow>
Adjust the following items when needed.
Symbol Deviation
¦
Modulation Balance
¦
CTCSS Deviation <Wide/Narrow>
¦
DCS Deviation <Wide/Narrow>
¦
DTMF Deviation
¦
MSK Deviation
¦
Sequential Tone Deviation
¦
Unit
During alignment, you may select the value among
dBµV, µV (EMF or PD), or dBm by the “UNIT” box.
When perform the RX Tune and SQL alignment, the
RF level shows this unit according to this setting.
EVX-5300/-5400 UHF Service Manual 13
Page 14
1. vCo (rx vCo/tx vCo) - This parameter is for conrmation only and cannot align -
This parameter is to conrm whether the VCO status shall be “Lock” or “Unlock”.
1. Click the “VCO” button to open the “VCO” window.
2. Click the “CH” button on the desired channel. The RX VCO
status (“Lock” or “Unlock”) will appear in the “RX” box.
3. Click the “PTT” button. The radio starts to transmit on the selected channel, and the TX VCO status (“Lock” or “Unlock”)
will appear in the “TX” box.
4. Click the “PTT” button again to stop transmitting.
5. Click the “OK” button to nish the conrmation of the VCO
status.
ê
Alignment
2. pll reFerenCe FrequenCy (FrequenCy)
This parameter is to align the reference frequency for PLL.
1. Click the “Frequency” button to open the “Frequency Alignment” window.
2. Click the “PTT” button or press the “SPACE” bar of the computer’s keyboard, the radio will start to transmit on the center
frequency channel.
3. Set the value to get the desired frequency according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“0000” - “FFFF”) in the “Current Data”
l
box from the computer’s keyboard
4. After getting the desired frequency, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to finish the frequency alignment and
save the data.
ê
EVX-5300/-5400 UHF Service Manual 14
Page 15
Alignment
3. rx sensitivity (rx tune)
This parameter is to align the RX BPF (Band Pass Filter) for Receive (RX) sensitivity. The PLL Reference Frequency (Frequency)
alignment must be done before this alignment is performed.
1. Click the “RX Tune” button to open the “RX Sensitivity Alignment” window.
2. Click the “Auto” button on the desired channel. The “Auto
Tuning” window will appear.
3. Set the RF Signal Generator output according to the indication
of the screen.
4. Click the “Start” button to start the automatic alignment to get
the best RX sensitivity (Highest RSSI value).
5. Click the “OK” button to nish the RX Sensitivity alignment
and save the data.
1) You may adjust the RX sensitivity manually by the following
method:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“800”- “FFF”) in the “Current Data”
l
box from the computer’s keyboard
2) You may select the alignment type from the “Radio” button
(ADJ Type) located at the bottom of the screen, as needed.
Basic: “Low-edge / band center / high-edge” and select the
channel for alignment (Default).
Single: Alignment value changes only on the selected chan-
nel.
All Freq: Alignment value changes on all channels.
ê
ê
EVX-5300/-5400 UHF Service Manual 15
Page 16
Alignment
4. squelCh (sql)
This parameter is to align the SQL (Squelch) Sensitivity. There are several alignment items as follows in the Squelch Sensitivity.
Threshold SQL Level (Wide/Narrow)
The alignment for the Noise SQL Threshold level at Wide
(5k/4k) or Narrow (2.5k).
Normal RSSI Level (Wide/Narrow)
The alignment for the RSSI Normal level at Wide (5k/4k) or
Narrow (2.5k).
Tight RSSI Level (Wide/Narrow)
The alignment for the RSSI Tight level at Wide (5k/4k) or Narrow (2.5k).
SQL Close Level (Wide/Narrow)
The alignment for the Noise SQL Close level at Wide (5k/4k)
or Narrow (2.5k).
RSSI Close Level (Wide/Narrow)
The alignment for the RSSI Close level at Wide (5k/4k) or Narrow (2.5k).
The procedure for all the alignments is as follows.
1. Click the “Start” button you wish to align to open the “SQL/
RSSI Alignment” window.
2. Click the “Start” button on the desired alignment item to open
other window.
3. Set the RF Signal Generator according to the indication of the
window, then click the “Start” button.
4. The automatic alignment will start to get the optimum level.
5. The alignment result will appear in the “New” box.
On the following alignment items, click the “Next” button and
then repeat step 2-5 several times according to the indication of
the window.
Threshold SQL Level (Wide/Narrow)
Normal RSSI Level (Wide/Narrow)
Tight RSSI Level (Wide/Narrow)
Other alignment items has not extra step; only one step proce-
dure.
6. Click the “OK” button, then the data will be saved and the
alignment is nished.
ê
ê
ê
ê
EVX-5300/-5400 UHF Service Manual 16
Page 17
5. tx power
This parameter is to align the “High Power”, “Low3 Power”, and “Low2 Power” for the selected channel.
1. Click the “TX Power (High Pwr / Low3 Pwr / Low2 Pwr)” button to open the “TX Power Alignment” window.
2. Click the “PTT” button on the desired channel. The radio starts
to transmit on the selected channel.
3. Set the value to get desired output power on the Power Meter
according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key
l
of the computer’s keyboard
Entering the value in the entry box from the computer’s
l
keyboard
4. After getting the desired output power, click the “PTT” button
or press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to nish the TX Power alignment and
save the data.
You may select the adjusting type from the “Radio” button (ADJ
Type) located at the bottom of the screen, as needed.
Basic: “Low-edge / band center / high-edge” and select the
channel for alignment (Default).
Single: Alignment value changes only on the selected chan-
nel.
All Freq: Alignment value changes on all channels.
Model 45 W 25 W
High 45 W 25 W
Low 3 25 W 10 W
Low 2 5 W 10 W
ê
Alignment
6. maximum deviation <wide> / <narrow>
This parameter is to align the “Maximum Deviation” (Wide/Narrow).
1. Press the “Max Dev (W/N)” button to open the “Max Deviation
Alignment” window.
2. Click the “PTT” button on the desired channel. The radio starts
to transmit on the selected channel.
3. Set the value to get desired deviation (Wide: 4.2 kHz, Narrow:
2.1 kHz) on the deviation meter according to the following
ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the up-down key of the computer’s keyboard
l
Entering the value in the entry box from the computer’s
l
keyboard
4. After getting the desired deviation, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to nish the Max Deviation alignment
and save the data.
1) You may align the deviation level by any modulation frequency
by changing the value of the “Freq” box located at the bottom
left of the screen, if needed.
2) You may select the alignment type from the “Radio” button
(ADJ Type) located at the bottom of the screen, as needed.
Basic: “Low-edge / band center / high-edge” and select the
channel for alignment (Default).
Single: Alignment value changes only on the selected chan-
nel.
All Freq: Alignment value changes on all channels.
ê
EVX-5300/-5400 UHF Service Manual 17
Page 18
Perform the following alignments as needed.
symbol deviation
This parameter is to align the deviation of the digital mode articially.
1. Press the “Symbol Dev” button to open the “Symbol Deviation
Alignment” window.
2. Click the “PTT” button on the desired channel. The radio starts
to transmit on the selected channel.
3. Set the value to get Target Deviation (which is indicated on the
screen) on the deviation meter according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the up-down key of the computer’s keyboard
l
Entering the value in the entry box from the computer’s
l
keyboard
4. After getting the desired deviation, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to finish the Symbol Deviation alignment and save the data.
You may select the alignment type from the “Radio” button (ADJ
Type) located at the bottom of the screen, as needed.
Basic: “Low-edge / band center / high-edge” and select the
channel for alignment (Default).
Single: Alignment value changes only on the selected chan-
nel.
All Freq: Alignment value changes on all channels.
Alignment
ê
EVX-5300/-5400 UHF Service Manual 18
Page 19
modulation balanCe <wide> / <narrow> (this alignment is diFFiCult.)
This parameter is to align the “Modulation Balance” (Wide/Narrow).
1. Press the “Mod Bal” button to open the “Modulation Balance
Alignment” window.
2. Confirm the modulation frequency which is indicated in the
“Freq” box located at the bottom left of the screen is “50 (Hz)”.
If not, enter the value (50) in the “Freq” box from the comput-
er’s keyboard.
3. Click the “PTT” button on the desired channel. The radio starts
to transmit on the selected channel.
4. Write down a deviation level, then enter the “4000 (Hz)” of the
modulation frequency to the “Freq” box.
5. Set the value to get the same deviation level that wrote down
according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“0” - “3FF”) in the “Current Data” box
l
from the computer’s keyboard
6. Click the “PTT” button or press the “SPACE” bar to stop transmitting.
7. Click the “OK” button to nish the Modulation Balance alignment and save the data.
Alignment
ê
1) You may align the modulation balance by any frequency pair
by changing the value of the “Freq” box located at the bottom
left of the screen, if needed.
2) You may select the alignment type from the “Radio” button
(ADJ Type) located at the bottom of the screen, as needed.
Basic: “Low-edge / band center / high-edge” and select the
channel for alignment (Default).
Single: Alignment value changes only on the selected chan-
nel.
All Freq: Alignment value changes on all channels.
ê
EVX-5300/-5400 UHF Service Manual 19
Page 20
CtCss deviation <wide> / <narrow>
This parameter is to align CTCSS Deviation of the selected channel.
1. Press the “CTCSS (W/N)” button to open the “CTCSS Deviation Alignment” window.
2. Click the “PTT” button or press the “SPACE” bar of the computer’s keyboard to transmit the radio.
3. Set the value to get desired deviation (Nominal: Wide: 0.6 kHz,
Narrow: 0.35 kHz) on the deviation meter according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“–20.00” - “20.00”) in the “Currend
l
Data” box from the computer’s keyboard
4. After getting the desired deviation, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to finish the CTCSS Deviation alignment and save the data.
You may align the deviation level by any CTCSS tone frequency
(default: 67.0 Hz) by changing the value of the “CTCSS Freq” box
located at the bottom of the screen, if needed.
Alignment
ê
dCs deviation <wide> / <narrow>
This parameter is to align “DCS Deviation” of the selected channel.
1. Press the “DCS (W/N)” button to open the “DCS Deviation
Alignment” window.
2. Click the “PTT” button or press the “SPACE” bar of the computer’s keyboard to transmit the radio.
3. Set the value to get desired deviation (Nominal: Wide: 0.65
kHz, Narrow: 0.4 kHz) on the deviation meter according to the
following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“–20.00” - “20.00”) in the “Currend
l
Data” box from the computer’s keyboard
4. After getting the desired deviation, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to nish the DCS Deviation alignment
and save the data.
You may align the deviation level by any DCS code (default: 532)
by changing the value of the “DCS Code” box located at the bottom of the screen, if needed.
ê
EVX-5300/-5400 UHF Service Manual 20
Page 21
dtmF deviation
This parameter is to align “DTMF Deviation”.
1. Press the “DTMF” button to open the “DTMF Deviation Alignment” window.
2. Click the “PTT” button or press the “SPACE” bar of the computer’s keyboard to transmit the radio.
3. Set the value to get desired deviation (Nominal: 3.0 kHz) on
the deviation meter according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“–20.00” - “20.00”) in the “Currend
l
Data” box from the computer’s keyboard
4. After getting the desired deviation, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to nish the DTMF Deviation alignment
and save the data.
You may align the deviation level by any DTMF tone (default: “A”,
available selection: “0” - “9”, “A” - “D”, “E(*)”, and “F(#)”) by
changing the value of the “DTMF Code” box located at the bottom
of the screen, if needed.
Alignment
ê
msK deviation
This parameter is to align “MSK Deviation” which use for the ANI operation of the MDC1200 System.
1. Press the “MSK” button to open the “MSK Deviation Alignment” window.
2. Click the “PTT” button or press the “SPACE” bar of the computer’s keyboard to transmit the radio.
3. Set the value to get desired deviation (Nominal: 3.0 kHz) on
the deviation meter according to the following ways:
Dragging the slide bar
l
Clicking the arrow buttons
l
Pressing the left/right arrow key of the computer’s keyboard
l
Entering the value (“–20.00” - “20.00”) in the “Currend
l
Data” box from the computer’s keyboard
4. After getting the desired deviation, click the “PTT” button or
press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to nish the MSK Deviation alignment
and save the data.
ê
EVX-5300/-5400 UHF Service Manual 21
Page 22
sequential tone deviation
This parameter is to ne-tune of the “Sequential Tone Deviation” for the 2-Tone and 5-Tone Encoder.
1. Press the “Seq Tone” button to open the “Sequential Tone Deviation Alignment” window.
2. Entering the desired value in the “New” box from the computer’s keyboard.
3. Click the “OK” button to nish the Sequential Tone Deviation
alignment and save the data.
Alignment
ê
EVX-5300/-5400 UHF Service Manual 22
Page 23
MAIN Unit (FR026490A: TYPE “G6”
)
Circuit Diagram (RF & AF Section
)
EVX-5300/-5400 UHF Service Manual 23
Page 24
MAIN Unit (FR026490A: TYPE “G6”
)
Circuit Diagram (Control Section
)
EVX-5300/-5400 UHF Service Manual 24
Page 25
MAIN Unit (FR024860B: TYPE “G7”
)
Circuit Diagram (RF & AF Section
)
EVX-5300/-5400 UHF Service Manual 25
Page 26
MAIN Unit (FR024860B: TYPE “G7”
)
Circuit Diagram (Control Section
)
EVX-5300/-5400 UHF Service Manual 26
Page 27
MAIN-2 Unit (FR026490A: TYPE “G7”
)
Circuit Diagram (RF & AF Section
)
EVX-5300/-5400 UHF Service Manual (for LMR) 27
Page 28
MAIN-2 Unit (FR026490A: TYPE “G7”
)
Circuit Diagram (Control Section
)
EVX-5300/-5400 UHF Service Manual (for LMR) 28
Page 29
FRONT-A Unit (FR024850C: EVX-5300
Circuit Diagram
)
EVX-5300/-5400 UHF Service Manual 29
Page 30
FRONT-B Unit (FR025010B: EVX-5400
Circuit Diagram
)
EVX-5300/-5400 UHF Service Manual 30
Page 31
Copyright 2014
Vertex Standard LMR, Inc.
All rights reserved.
No portion of this manual
may be reproduced without
the permission of
Vertex Standard LMR, Inc.
EVX-5300/-5400 UHF Service Manual 23
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