Service manual

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Contents

UHF Band

Service Manual

VX-210AU

Introduction

The Vertex VX-210AU is a compact hand portable trans-

ceiver for the UHF land mobile band that offers the conve-

nience of small size, light weight, and simple operation.

The VX-210AU can be simply programmed by your

Vertex Dealer with up to 16 channels for single and split

frequency operation. The VX-210AU provides up to 5

watts of RF output power and includes a flexible quick-

connect antenna.

The transceiver and Ni-Cd battery packs are construct-

ed of thick high-impact polycarbonate plastic, with spe-

cial attention paid by the designers to tight seals and rug-

gedness, assuring years of reliable operation even in harsh

environments.

The following pages describe the operation, features

and accessories of the VX-210AU. With proper care and

operation, the transceiver will provide many years of re-

liable communications.

Operating Manual Reprint .........................................................................................................................................2

Specifications ...............................................................................................................................................................5

Cloning..........................................................................................................................................................................6

Exploded View & Miscellaneous Parts .....................................................................................................................7

Block Diagram ..............................................................................................................................................................8

Circuit Description ......................................................................................................................................................9

Alignment ...................................................................................................................................................................11

Board Units (Schematics, Layouts & Parts)

MAIN Unit .............................................................................................................................................................13

SW Unit ................................................................................................................................................................... 37

Optional Board Units (Schematics, Layouts & Parts)

VTP-50 VX-Trunk Unit .......................................................................................................................................... 38

FVP-25 Encryption / DTMF Pager Unit ................................................................................................................ 40

EC020U90A

VERTEX STANDARD CO., LTD.

4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan

VERTEX STANDARD

US Headquarters

10900 Walker Street, Cypress, CA 90630, U.S.A.

International Division

8350 N.W. 52nd Terrace, Suite 201, Miami, FL 33166, U.S.A.

YAESU EUROPE B.V.

P.O. Box 75525, 1118 ZN Schiphol, The Netherlands

YAESU UK LTD.

Unit 12, Sun Valley Business Park, Winnall Close

Winchester, Hampshire, SO23 0LB, U.K.

VERTEX STANDARD HK LTD.

Unit 5, 20/F., Seaview Centre, 139-141 Hoi Bun Road,

Kwun Tong, Kowloon, Hong Kong

Summary of content (42 pages)

PAGE 1
VERTEX STANDARD CO., LTD. 4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan VERTEX STANDARD VX-210AU US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. International Division 8350 N.W. 52nd Terrace, Suite 201, Miami, FL 33166, U.S.A. UHF Band Service Manual YAESU EUROPE B.V. P.O. Box 75525, 1118 ZN Schiphol, The Netherlands YAESU UK LTD. Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U.K. VERTEX STANDARD HK LTD. ©2002 VERTEX STANDARD CO., LTD.
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Operating Manual Reprint Contorols & Connectors LED Indicator Glows Green Blinking Green Glows Red Blinking Red Blinking Yellow Antenna ACC on Busy Channel (or SQL off) Transmitting Battery Voltage is low Receiving a Selective Call CH (Channel) Selector VOL/PWR Knob Push To Talk (PTT) Switch MIC/SP Jack (External Mic/Earphone) ACC Button Speaker Low Battery Indication r As the battery discharges during use, the voltage gradually becomes lower. When the battery voltage reaches 6.
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Operating Manual Reprint r To transmit, press and hold in the PTT switch. Speak into the microphone area of the front panel grille (lower left-hand corner) in a normal voice level. To return to the Receive mode, release the PTT switch. r If a Speaker/Microphone is available, remove the plastic cap and its two mounting screws from the right side of the transceiver, then insert the plug from the Speaker/ Microphone into the MIC/SP jack; secure the plug using the screws supplied with the Speaker/Microphone.
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Operating Manual Reprint r To stop Dual Watch: Press the ACC button. Operation will revert to the channel to which the CH knob is set. Talk Around Press the ACC button to activate the Talk Around feature when you are operating on duplex channel systems (separate receive and transmit frequencies, utilizing a “repeater” station). The Talk Around feature allows you to bypass the repeater station and talk directly to a station that is nearby.
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Specifications General Frequency Range: Number of Channels: Channel Spacing: PLL Steps: Power Supply Voltage: Battery Life (5-5-90 duty): Operating Temperature Range: Frequency Stability: Dimensions: Weight (Approx): 400-430 MHz (AS1), 440-470 MHz (CS), 450-485 MHz (D), 485-512 MHz (F) 16 channels 12.5/25 kHz 5/6.25 kHz 7.5 V DC ±20 % 7.1 hrs. (8.5 hrs. w/saver) @5 W –22° F to +140° F (–30° C to +60° C) ±2.5 ppm 4.21" (W) × 2.28" (H) × 1.0" (D) (108 × 58 × 26 mm) 0.75 lb.
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Cloning The VX-210A includes a convenient “Clone” feature, which allows the programming data from one transceiver to be transferred to another VX-210A. Here is the procedure for Cloning one radio’s data to another. Note: When a cloning isn't made, you correct the following part using "CE45." When a "Set-to-Set Clone" which is in the "Miscellaneous" menu is "Disabled," change this menu to "Enabled." 1. 2. 3. 4. Turn both transceivers off.
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Exploded View & Miscellaneous Parts REF. À Á Â Ã Ä Å Æ Ç VXSTD P/N U07230107 U20204007 U02206007 U9900051 U9900063 U9900068 U9900086 U9900084 Description PAN HEAD SCREW M2x3B #1 BINDING HEAD SCREW M2.6x4B SEMS SCREW SM2.6x6B TAPTITE SCREW M2x4B #3 TAPTITE SCREW M2x3.3Ni TAPTITE SCREW M2x4Ni #3 TAPTITE SCREW M1.7x2.5B BINDING HEAD SCREW M2x7.5B Qty. 1 2 2 1 5 6 2 1 RA018500A Vertex (USA) RA018510A (EXP) FRONT CASE ASS'Y Non-designated parts are available only as part of a designated assembly.
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Block Diagram 8
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Circuit Description 1. Receive Signal Path Incoming RF from the antenna jack is delivered to the RF Unit and passes through a low-pass filter consisting of coils L1003, L1006 and L1007, capacitors C1002, C1007, C1013, C1017, C1022, C1025, and C1169 and antenna switching diode D1007 (RLS135).
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Circuit Description of output power. The transmit signal then passes through the antenna switch D1007 (RLS135) and is low-pass filtered to suppress harmonic spurious radiation before delivery to the antenna. 3-1 Automatic Transmit Power Control RF power output from the final amplifier is sampled by C1099, and is rectified by D1029 (1SS321). The resulting DC is fed back through Q1027 (FMW1) to the drive amplifier Q1016 and final amplifier Q1021, for control of the power output.
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Alignment The VX-210A has been carefully aligned at the factory for the specified performance across the frequency range specified for each version. Re-alignment should therefore not be necessary except in the event of component failure, or altering version type. All component replacement and service should only be performed by an authorized Vertex representative, or the warranty policy may be void.
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Alignment PLL Reference Frequency r Set the transceiver to CH 2 (band center). Key the transmitter, and adjust TC1001 on the component side of the Main Unit, if necessary, so the frequency counter displays the band center frequency (±100 Hz) (for the version being aligned) when transmitting. Transmitter Output Power r Set the transceiver to CH 2 (band center), and select high power output. r Ensure that the supply voltage is precisely 7.
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MAIN Unit Circuit Diagram RX: 2.62 (2.62V) RX: 1.8V (1.8V) TX: 0V [0V] RX: 0.75V (0.75V) RX: 0.72V (0.72V) TX: 0V [0V] RX: “3.58V” <0.02V> RX: (0V) TX: (3.79V)[4.73V] TX: (0V) [0V] RX: 2.2V(2.2V) TX: 0V RX: (1.17V) TX: 1.17V RX: (4.18V) TX: 4.21V RX: (3.74V) TX: 3.76V RX: (0.78V) TX: (0.6V) RX: (4.06V) TX: 4.08V RX: 1.37V(1.37V) RX: (0.7V) TX: 1.43V TX: 0.54V RX: 0V(0V) TX: 0.69V RX: 0V(0V) TX: 5.01V TX: (-1.25V) [-0.9V] TX HIGH: 2.6V LOW: 1.23V TX: (2.44V) [0.68V] TX: (4.81V) [2.
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MAIN Unit Note: 14
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MAIN Unit Parts Layout A C B D E 1 2 3 Side A MB15A01PFV (Q1004) NJM2902V (Q1017) TDA7233D (Q1039) TC4W66FU (Q1055) 2SK209GR (XG) (Q1001) RT1N441U (N3) (Q1003, 1007, 1018, 1033, 1037, 1046) 2SA1586Y (SY) (Q1010) 2SC4154 (LE) (Q1006, 1024, 1051) 2SC4215Y (QY) (Q1032) FMW1 (W1) (Q1027) 2SB1132 (BA) (Q1031) CPH6102 (AB) (Q1050) UMD3N (D3) (Q1054) MC2846 (A4) (D1031) 15
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MAIN Unit e d c b a 3 2 1 Side B BR93LC56F (Q1011) M37515M4 (Q1014) 16 TC4W66FU (Q1019) NJM12903R (Q1023) NJM2902V (Q1030) BA4116FV (Q1036) 2SK508 (K52) (Q1005) 2SK2973 (K1) (Q1016) 2SC3357 (Q1012) RT1P441U (P3) (Q1013, 1020) 2SK2974 (Q1021) UMC5N (C5) (Q1048) RT1N441U (N3) (Q1002, 1034, 1041, 1043, 1044, 1052, 1053, 1056) FMW1 (W1) (Q1026, 1028) 2SC4154 (LE) (Q1022, 1047) 2SC5005 (73) (Q1008, 1009) 2SC5006 (24) (Q1015) SGM2016AM (MA) (Q1025) TK11235BMCL (Q1040) DTC124TE (05) (Q104
PAGE 17
MAIN Unit (Lot. 12~) Circuit Diagram RX: 2.62 (2.62V) RX: 1.8V (1.8V) TX: 0V [0V] RX: 0.75V (0.75V) RX: 0.72V (0.72V) TX: 0V [0V] RX: “3.58V” <0.02V> RX: (0V) TX: (3.79V)[4.73V] TX: (0V) [0V] RX: 2.2V(2.2V) TX: 0V RX: (1.17V) TX: 1.17V RX: (4.18V) TX: 4.21V RX: (3.74V) TX: 3.76V RX: (0.78V) TX: (0.6V) RX: (4.06V) TX: 4.08V RX: 1.37V(1.37V) RX: (0.7V) TX: 1.43V TX: 0.54V RX: 0V(0V) TX: 0.69V RX: 0V(0V) TX: 5.01V TX: (-1.25V) [-0.9V] TX HIGH: 2.6V LOW: 1.23V TX: (2.44V) [0.68V] TX: (4.
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MAIN Unit (Lot.
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MAIN Unit (Lot.
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MAIN Unit (Lot.
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MAIN Unit (Lot. 20~) Circuit Diagram RX: 2.62 (2.62V) RX: 1.8V (1.8V) TX: 0V [0V] RX: 0.75V (0.75V) RX: 0.72V (0.72V) TX: 0V [0V] RX: “3.58V” <0.02V> RX: (0V) TX: (3.79V)[4.73V] TX: (0V) [0V] RX: 2.2V(2.2V) TX: 0V RX: (1.17V) TX: 1.17V RX: (4.18V) TX: 4.21V RX: (3.74V) TX: 3.76V RX: (0.78V) TX: (0.6V) RX: (4.06V) TX: 4.08V RX: 1.37V(1.37V) RX: (0.7V) TX: 1.43V TX: 0.54V RX: 0V(0V) TX: 0.69V RX: 0V(0V) TX: 5.01V TX: (-1.25V) [-0.9V] TX HIGH: 2.6V LOW: 1.23V TX: (2.44V) [0.68V] TX: (4.
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MAIN Unit (Lot.
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MAIN Unit (Lot.
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MAIN Unit (Lot.
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MAIN Unit Parts List REF.
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MAIN Unit REF.
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MAIN Unit REF.
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MAIN Unit C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C REF.
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MAIN Unit REF. C 1192 C 1193 C 1194 C 1196 C 1196 C 1198 C 1199 C 1200 C 1200 C 1201 C 1202 C 1202 C 1202 C 1203 C 1204 C 1205 C 1206 C 1208 C 1208 C 1209 C 1210 CD1001 CF1001 CF1002 D 1001 D 1001 D 1001 D 1002 D 1003 D 1004 D 1005 D 1006 D 1007 D 1008 D 1010 D 1011 D 1012 D 1013 D 1014 D 1015 D 1016 D 1017 D 1018 D 1019 D 1020 D 1021 D 1022 D 1023 D 1024 D 1025 D 1026 D 1027 D 1028 D 1029 D 1030 D 1031 D 1032 D 1033 D 1034 D 1035 D 1036 F 1001 FB1001 FB1002 FB1003 FB1004 FB1005 DESCRIPTION CHIP CAP.
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MAIN Unit REF.
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MAIN Unit REF.
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MAIN Unit REF.
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MAIN Unit REF.
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MAIN Unit REF.
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MAIN Unit REF.
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MAIN Unit REF. R 1223 R 1223 R 1224 R 1225 R 1226 R 1227 R 1228 R 1229 R 1230 R 1232 R 1233 R 1234 S 1002 TC1001 TH1001 TH1002 TH1003 TH1004 TH1005 VR1001 VR1002 VR1003 VR1004 VR1005 VR1006 X 1001 X 1002 XF1001 XF1002 36 DESCRIPTION CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. CHIP RES. ROTARY SWITCH TRIMMER CAP. THERMISTOR THERMISTOR THERMISTOR THERMISTOR THERMISTOR POT. POT. POT. POT. POT. POT.
PAGE 37
SW Unit Parts Layout Side A Side B Parts List REF. S 3001 S 3002 DESCRIPTION PCB with Components Printed Circuit Board TACT SWITCH TACT SWITCH MYLAR SHEET VALUE V/W TOL. MFR’S DESIG SOP-114HST R66-5374 SOP-114HST R66-5374 VXSTD P/N CB1825001 FR002650B N5090107 N5090107 RA011720A VERS. LOT.
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VTP-50 VX-Trunk Unit Circuit Diagram Parts Layout Side B Side A NJM2904V (Q1001) 38 MC68HSC705C8A502 (Q1002) TA75S01F (SA) (Q1003) BR93LC56FV (Q1004)
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VTP-50 VX-Trunk Unit Parts List REF. C 1002 C 1003 C 1003 C 1004 C 1004 C 1005 C 1005 C 1006 C 1007 C 1008 C 1009 C 1010 C 1011 C 1012 C 1013 C 1014 D 1001 J 1001 Q 1001 Q 1002 Q 1002 Q 1003 Q 1004 R 1001 R 1002 R 1003 R 1004 R 1005 R 1006 R 1007 R 1008 R 1009 R 1010 R 1011 R 1012 R 1013 R 1014 R 1015 R 1016 R 1017 R 1018 R 1019 R 1020 R 1021 R 1022 R 1023 R 1024 R 1025 R 1026 R 1027 R 1028 X 1001 DESCRIPTION Printed Circuit Board CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP.
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FVP-25 Encryption / DTMF Pager Unit Circuit Diagram Parts Layout Side A M64026FP (Q1001) 40 Side B LC73881 (Q1002) DTC144EU (26) (Q1003)
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FVP-25 Encryption / DTMF Pager Unit Parts List REF. C 1001 C 1002 C 1003 C 1004 C 1005 C 1007 C 1007 C 1008 C 1009 C 1010 C 1011 C 1012 C 1013 C 1014 D 1001 D 1002 J 1001 Q 1001 Q 1002 Q 1003 R 1001 R 1002 R 1003 R 1004 R 1006 R 1007 R 1008 R 1008 R 1008 X 1001 X 1002 DESCRIPTION Printed Circuit Board CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP CAP. CHIP TA.CAP. CHIP CAP. CHIP CAP. DIODE DIODE CONNECTOR IC IC TRANSISTOR CHIP RES. CHIP RES.