ACCESSORY CIRCUITS ALIGNMENT

Similar documents
FT-897 Alignment. Local Oscillator Adjustment. PLL Adjustment

200GTL ALIGNMENT REVISION: 1.0 BURKE MODEL: 200GTL REVISION: 1.2 DATE: 02/14/06. Total Pages: 6 pages. Page:1 print date: 9/23/09

BLOCK DIAGRAM - I J Li) N 6. w IS) AF D RIVE R R F D RIVE R R F P OWE R AMP PL L OSC UNIT. LL co X X X Lti X. C X W N O C..) 4 C.

TS-590S ADJUSTMENT. Updating the Firmware. Required Test Equipment. Preparation

Operation Manual. Model SG Elenco Precision Wide Band Signal Generator

Hendricks QRP Kits BITX20A to BITX17A Conversion Instructions

MAINTENANCE MANUAL RF BOARD 19D901835G1 ( MHz) 19D901835G2 ( MHz) FOR MVS

E-200D ALIGNMENT. See the end of the procedure for the location of the calibration points. EQUIPMENT REQUIRED

hallicrafters PERFORMANCE SPECIFICATIONS MODEL: SR-2000 LATEST REVISION: 18 JAN 66 Code ident # Specification #

ICOM IC-201 Allmode Transceiver

Preliminary Information (There will be updates)

MAINTENANCE MANUAL RF BOARD 19D902243G4 ( MHz) 19D902243G5 ( MHz) 19D902243G6 ( MHz) FOR MVS

KWM-2/2A Transceiver THE COLLINS KWM-2/2A TRANSCEIVER

The Uniden Grant XL Owners Site

Building a Bitx20 Version 3

3 T856/857 Initial Tuning & Adjustment

MASTR II AUXILIARY RECEIVER 19D417546G7 & G8 & ANTENNA MATCHING UNITS 19C321150G1-G2. Maintenance Manual LBI-30766L. Mobile Communications

KACHINA 1 SSB TRANSCEIVER

Yaesu FT-8800R Alignment

ig-5282 spec.txt IG-5282 Audio Generator

Receiver Adjustments

The 21st Century R-390A/URR Reference Y2K-R3 Edited 7/09: No Technical Changes Chapter 2 - Operation. Page Table Of Contents 2-1

OBJECTIVES EQUIPMENT LIST

Construction Manual 4m-Linear-Transverter XV4-15

Cubic Astro 103 Restoration Notes

Operation Manual. SlJPER ST AR Channel Mobile 5-Mode Transceiver -----~- --:.. KTSS200NXX ,, I

KN-Q10 Assembly Manual

HAMTRONICS TB901 FM EXCITER INSTALLATION, OPERATION, & MAINTENANCE

LBI-30398N. MAINTENANCE MANUAL MHz PHASE LOCK LOOP EXCITER 19D423249G1 & G2 DESCRIPTION TABLE OF CONTENTS. Page. DESCRIPTION...

Maintenance Manual ERICSSONZ LBI-31552E

ERICSSONZ LBI-30398P. MAINTENANCE MANUAL MHz PHASE LOCKED LOOP EXCITER 19D423249G1 & G2 DESCRIPTION TABLE OF CONTENTS

JUMA-TRX2 DDS / Control Board description OH2NLT

1 TRANSISTOR CIRCUITS

The VMARS Newsletter Issue 32 The Yaesu FT200 Colin Guy G4DDI

Radio Station Setup and Electrical Principles

Exercise 1: RF Stage, Mixer, and IF Filter

THEORY OF OPERATION. TM308EUL for Cobra Nov 06,2006

LBI-4938C. Mobile Communications MASTR II POWER AMPLIFIER MODELS 4EF4A1,2,3. Printed in U.S.A. Maintenance Manual

IC-400pro - RADIOAFICION.COM

MODEL FS-4 INSTRUCTION MANUAL R.L. DRAKE COMPANY, MIAMISBURG, OHIO, U.S.A.

Automatic Tracking Filter for DDS Generator

Youkits SK-1A 40m SSB/CW QRP Transceiver. Operating manual

MAINTENANCE MANUAL TRANSMITTER/RECEIVER BOARD CMN-234A/B FOR MLSU141 & MLSU241 UHF MOBILE RADIO TABLE OF CONTENTS

GRAND STRAND AMATEUR RADIO CLUB

ericssonz LBI-38640E MAINTENANCE MANUAL FOR VHF TRANSMITTER SYNTHESIZER MODULE 19D902780G1 DESCRIPTION

ILER MK2. QRP SSB Transceiver in Kit Form Appendices. Last update: May 01, ILER-17 MK2 SSB QRP Transceiver Kit Page 1

MAINTENANCE MANUAL AUDIO MATRIX BOARD P29/

ELECTRIC GENERAL. MAINTENANCE MANUAL MHz, 35 WATT POWER AMPLIFIER ASSEMBLY 19D430488G1, 2 DESCRIPTION CIRCUIT ANALYSIS

FIELD INTENSITY METER MODEL FIM-41 OPERATING INSTRUCTIONS

Adjustment for IC-910H. Adjustment. Adjustment

AR3000A SERVICE MANUAL TABLE OF CONTENTS PAGE SPECIFICATIONS (1)

ILER MK2. Appendices

LED S METER CONSTRUCTION MANUAL. LED S meter Construction Manual Issue 1.0 Page 1

Construction Manual 6m-Linear-Transverter XV6/10

XR12. Frequency Change Procedure IS Issue August 2007

HF Amateur SSB Receiver

ANALOG COMMUNICATION


Frequency Coverage MHz RF Power Output 30W SSB / 9W AM/ 30W FM Dual Finals on Heat Sink Modes AM, FM, USB, LSB Microprocessor

SPECIFICATIONS: Subcarrier Frequency 5.5MHz adjustable, FM Modulated +/- 50KHz. 2nd 11MHz >40dB down from 5.5MHz

Copyright 2016, R. Eckweiler & OCARC, Inc. Page 1 of 8

Frequency range: BAND RANGE MHz MHz

SB-36 OPERATION MANUAL

SERVICE MANUAL. TECtalk 2-WAY PORTABLE HANDHELD PMR RADIO. Jan. 2000

CX7 Troubleshooting Index

MASTR II BASE STATION MHz RECEIVER IF/AUDIO/SQUELCH & RF ASSEMBLY (25 khz/12.5 khz CHANNEL SPACING) Maintenance Manual LBI-38506A

Maintenance Manual TRANSMITTER/RECEIVER BOARD CMN-233 FOR MLSH041

LBI-31807D. Mobile Communications MASTR II REPEATER CONTROL PANEL 19B234871P1. Maintenance Manual. Printed in U.S.A.

INSTRUCTIONS FOR INSTALLATION AND OPERATION OF THE MEISSNER SIGNAL SHIFTER MODEL EX

Service Document Exchange Set

Goals: Board ID's in System Transmitter components/modules TLD5321A exciter board

DEM Part Number L144-28INTCK 144 MHz Transverter Kit and complete kit

DX AM FM SSB CW PA Amateur Base Station Transceiver OWNER S MANUAL RX / TX 2 4 POWER NF CHANNEL MODE RF POWER OFF CAL OFF OFF CALIBRATE

The University of Jordan Mechatronics Engineering Department Electronics Lab.( ) Experiment 1: Lab Equipment Familiarization

Beta-test ED1 PCB installed in I0CG s K1

PRC 320 Modifications Martin Ehrenfried G8JNJ

Building the Sawdust Regenerative Receiver

AC LAB ECE-D ecestudy.wordpress.com

A GOOD REGENERATIVE RECEIVER WITH SIMPLE FINE TUNING (2008)

12kHz LIF Converter V2.43 9Mhz version

Chino Scientific Instruments Manufacturing

MIZUHO Rose-Kit series 1W CW QRP 7 / 21 MHz Transmitter Kit MODEL QP-7 QP-21 3,000 ASSEMBLY MANUAL. Easy Construction. Construction.

Amateur Radio Examination EXAMINATION PAPER No. 275 MARKER S COPY

LBI-31564A. Mobile Communications. DELTA - SX MHz RADIO COMBINATIONS (NEGATIVE GROUND ONLY) Maintenance Manual

FM Audio/Squelch Board by Steve Dold, W6KCS w6kcs (at) stevedold (dot) com

D ELCO. electronic parts AUTO RADIO BULLETIN. Connect Signal Generator to

BITX40 with Raduino - tips and mods

SUPPLEMENT TO OPERATION AND MAINTENANCE MANUAL HALLICRAFTERS HT-44

HAMTRONICS R303 VHF FM RECEIVER: INSTALLATION, OPERATION, & MAINTENANCE

THE AMAZING BARLOW WADLEY XCR-30 CRYSTAL CONTROLLED 30 BAND TRANSISTOR RADIO. (A method to set the AGC) H. Holden, 2018.

MAINTENANCE MANUAL AUDIO AMPLIFIER BOARD 19D904025G1 (MDR) AUDIO AMPLIFIER BOARD 19D904025G2 (MDX)

DELUXE 18CHANNEL SSB/AM CB TRANSCEIVER OWNER'S GUIDE

Electrical Fundamentals and Basic Components Chapters T2, T3, G4

Vectronics VC-300D DIGITAL BARGRAPH ANTENNA TUNER

CHAPTER 6. Motor Driver

A2002J/A4002J/A8002J/A4004J A6004J/A8000J/A16000J/A5005J OWNER S MANUAL

Circuit Description. Receive Signal Path. CTCSS Operation. S-Meter. RX PLL & VCO Circuit. Squelch Control. RPP Programming Software Instruction

BAND DECODER and CONTROLLE R. Accessibility Upgrade and Operating Instructions

OPERATOR S MANUAL KYODO WEST MODEL KG506 FULL-DUPLEX MOBILE. Preliminary

UNITED MOTORS SERVICE D IV ISIO N OF GENERAL M O TO RS C O R P O R A T IO N. General Offices - Detroit AUTO RADIO BULLETIN

Transcription:

UNIDEN 22 ACCESSOY CICUITS ALIGNMENT 1. NOISE BLANKE Adjustment 11. Test Equipment equired (1) DC Voltage Meter 12. Adjustment Procedures. (1) Set MODE SWITCH to USB, and recive 14.2 Mhz. (2) Activate MAKE OSCILLATO by pulling out F ATT knob. (3) Set NOISE BLANKE SWITCH to OFF. (4) Tune the main dial to generate about 1, Hz beat from a speaker. (5) Put the meter to the COLLECTO of Q119. (6) Adjust L139 and L14 to obtain minimum meter readings. 2. MAKE OSCILLATO ADJUSTMENT 21. Test Equipment equired (1) Frequency Counter. 22. Adjustment Procedures (1) Connect Frequency Counter to the Pin 1 (Marker output) of J751 on the operation unit. (2) Activate MAKE OSCILLATO by pulling out F ATT knob. (3) Tune trimmer capacitor C753, so that the counter indicates 25. KHz ± 2 Hz.. 23 Adjustment by Standard adio Signals (1) Connect antennatoantenna jack. (2) Set BAND SWITCH to 15. SEGMENT SWITCH at /5, and recive 15 MHz Standard Signal (JJY, WWV, etc.) (3) Pull out F ATT knob to activate MAKE OSCILLATO. (4) Set MODE SWITCH to AM. (5) Adjust trimmer C753 to make zero beat of calibration signal. It is easlily adjustable Standard adio Signal (A2), because double beat is generated. (6) Adjust attenuator control to make the calibration easy against excessive incoming signal. Sid 1 (26)

UNIDEN 22 3..I.T CICUIT ALIGNMENT 31 Test Equipment equired (1) None 32 Adjustment Procedures (1) Set the main dial at 5, on any BAND or SEGMENT selection. (2) Pull out F ATT knob and make the marker oscillator work to obtain about 1, Hz beat. (3) Set.I.T knob to at the WIDE (normal) position. (4) Adjust potentiometer 665 in AV unit to obtain the same beat at ON or OFF of the.i.t SWITCH. (5) Again try the same adjustment on 664 in AV at the NAOW (pull) position of.i.t. 4. SMETE ADJUSTMENT 41 Test Equipment equired (1) Standard Signal Generator (SSG) 42 Adjustment Procedures (1) Connect SSG output to antenna jack. (2) Set MODE SWITCH to USB. (3) Set BAND SWITCH to 14., SEGMENT SWITCH at 2/3, and tune the main dial to recive 14.2 MHz signal. (4) Turn F GAIN CONTOL fully clockwise. (5) Turn F ATT CONTOLL fully clockwise. (6) Tune PESELECT knob to obtain maximum nois output. (7) Set SSG frequency at other than 14.2 MHz and keep minimum output level. (8) Turn potentiometer 387 in the IF unit fully counterclockwise. Then, return it slowly clockwise and stop just befor SMeter start moving. (9) Feed 4 db of 14.2 MHz unmodulated output to tranciver, and turn the dial to obtain maximum SMeter readings. (1) Adjust potentiometer 389 on the IF unit, so that the SMeter indicator S9 readings. (11) Set SSG Output at 8 db. (12) Adjust potentiometer 392 on the IF unit, so that the indicator shows fullscale readings. (13) epeat (9) (12) adjustment until both prospected readings ar available. Sid 2 (26)

UNIDEN 22 5. ALC METE ADJUSTMENT 51. Test Equipment equired (1) F Power Meter. (2) Audio Generator (AG) x 2. (3) Audio Attenuator (ATT) (4) AF Millivolt Meter (mv) 52. Adjustment Procedures (1) Connect F power meter to antenna jack. (2) Set two AGs and ATT as described in Fig. 521, to provide twotone signals to the microphone jack. AG 1 ATT 1 2 4 3 = 2 ohm AG 2 Fig 521 (3) Tune and load transmitter at 14.2 MHz to obtain maximum outout. (4) Set MODE SWITCH to USB. (5) Turn MIC GAIN CONTOL fully clockwise. (6) Set Meter Switch to ALC position. (7) Set AG 1 frequency to 1,9 Hz and AG 2 s to 23 Hz. (8) Measure each output voltage at the mv and set them to 1 mv. (9) Adjust and set the attenuator just before ALC Meter starts moving. (1) educe attenuation for 1 db and increase microphone input. (11) Adjust potentiometer 388 on the IF unit so that the indicator points the right end of the green ALC scale on the meter. Sid 3 (26)

UNIDEN 22 ECEIVE ALIGNMENT 1. ALIGNMENT PEPAATIONS 11. Set controls and switches on the front panel as indicated below: (1) FUNCTION SWITCH INT. (2) HT SWITCH OFF (3) STANDBY SWITCH PTT (4).I.T SWITCH OFF (5) N.B. SWITCH OFF (6) AGC SWITCH FAST (7) MODE SWITCH USB (8) F GAIN SWITCH Fully Clockwise (9) AG GAIN CONTOLL Center position. (1) SEGMENT SWITCH /5 KHz (11) F. ATT. CONTOL Fully Clockwise (12) OTHE CONTOLS & SWITCHES Option 12. Set rera panel switch and jack as indicated below: (1) F POWE AMP SWITCH Off (2) Connect external speaker (4 ohms), or 4 ohm dummy load to the EXT. SP jack. 13. Set PW SWITCH to ON after completion of all preparations as mentioned above. 2. X F UNIT ALIGNMENT 21. Test Equipment equired (1) Standard Signal Generator (SSG) (2) AF millivolt Meter (mv) 22. IF Trap Coil Alignment (1) Connect SSG output to antenna jack. (2) Connect mv to speaker or dummy load in parallel. (3) Set BAND Switch to 7., and SEGMENT SWITCH to /5. (4) Turn PESELECT CONTOL fully counterclockwise. (5) Provide 8 db of 6.187 MHz unmodulated signal from SSG. (6) Adjust L1 and L27, so as indicate minimum readings on SMeter or mv. Sid 4 (26)

UNIDEN 22 23. Tuning Coil Alignment (1) Connect SSG output and mv as 22 (1), (2). (2) Set PESELECT CONTOL to center position. (3) Select BAND SWITCH and SEGMENT SWITCH in order, starting from 15. MHz according to the chart 221A, and also provide listed frequency signals (unmodulated 4 db) from SSG as show in the chart 221B and recive them by tuning the main dial. (4) Get maximum SMeter or mv readings by adjusting tuning coils as indicated (L21 L213) on each band. (5) Control SSG output during this process to make adjustment easier. Chart 221 A B C BAND SEGMENT FEQ. (MHz) COIL No. 15. /5 15. L21, L28 3.5 1/6 3.6 L22, L29 7. 1/6 7.1 L23, L21 14. 2/7 14.2 L24, L211 21. 2/7 21.2 L25, L212 28.5 /5 28.5 L26, L213 24. IF Tuning Coil Alignment. (1) Connect SSG and mv as 22 (1), (2) (2) Set BAND SWITCH to 14., and SEGMENT SWITCH to 2/7. (3) Provide 4 db of 14.2 MHz unmodulated signal from SSG. (4) Tune the main dial and receive the input signal, then control PESELECT knob to get maximum output readings. (5) Adjust L214 L218 so as to get the maximum readings on SMeter or mv. Sid 5 (26)

UNIDEN 22 3. IF UNIT ALIGNMENT 31. Test Equipment equired (1) Same as 21 32. Preparations Take out IF UNIT (PC78) and put SEVICE EXTENSION BOAD in its place, then CONNECT the IF UNIT to the EXTENSION BOAD. 33. Coil Adjustment. (1) Process the same as 24, (1) (4). (2) Adjust L351 L354 to get the maximum readings or SMeter or mv. 34. Carrier Balance Adjustment. (1) Process the same as 24, (1) (4), but note that SSG output should be 2 db. (2) Adjust CAIE BALANCE potentiometer 374 and trimmer capacitor C37 to get the maximum readings on mv. Sid 6 (26)

UNIDEN 22 TANSMITTE ALIGNMENT 1. ALIGNMENT PEPAATION 11. Set controll and swiches on the front panel as folows. (1) FUNCTION SWITCH INT. (2 STANDBY SWITCH PTT (3) METE SWITCH IK (4) MIC GAIN CONTOL Fully counterclockwise (5) CAIE CONTOL Fully counterclockwise (6) OTHE CONTOLS & SWITCHES Option 12. Set rear panel switch and jack as indicated below: (1) F POWE SWITCH ON (2) Connect F power meter (5 ohms impedance) to antenna jack. 13. Set PW and HT switch to ON after completion of all prepatarions as mentioned abov. 14. Please note following instructions at the position of the wordings: OBTAIN MAXIMUM OUTPUT AT.MHz, which will be mentioned here after during tuning procedures and marked * (1) Make 11. 13 preparations. (2) Set MODE SWITCH to TUNE. (3) Select BAND and SEGMENT SWITCHES according to the desired frequency. (4) Set METE SWITCH to ALC position. (5) Set PLATE CONTOL knob around the desired frequency range. (6) Set LOAD CONTOL knob to center position. (7) Set CAIE CONTOL knob to center position. (8) Set STANDBY SWITCH to MANU. (9) Tune PESELECT CONTOL to get maximum meter readings. (1) Set METE SWITCH to PW. (11) Adjust PLATE and LOAD controls by turns to get maximum meter readings. (12) eset the STANDBY SWITCH to PPT position. (13) Turn CAIE CONTOL knob fully counterclockwise. Sid 7 (26)

UNIDEN 22 CAUTION (1) During transmitter tuning, do not keep the final tube running untuned for a long period of time. Make quick adjustment of PLATE and LOAD controls. (2) High voltage is generated especially inside of the final amplifier and also bottom of the PA compartment. Don t touch part of them. 2. PA IDLING CUENT ADJUSTMENT 21. Test Equipment equired (1) None 22. Adjustment Procedure. (1) Set MODE SWITCH to USB. (2) Set STANDBY SWITCH to MANU (3) Adjust the BIAS potentiometer, 16 on the rear panel so as to indicate GEEN TIANGLE MAK on the meter. 3. GENEATO UNIT ALIGNMENT 31. Test Equipment equired (1) F voltage Meter (2) AF millivolt Meter (mv) (3) Audio Generator (AG) (4) Frequency Counter. (5) Oscilloscope 32. Preparations Take out Generator Unit (PC8) and put a SEVICE EXTENSION BOAD in its place, then connect the GENEATO UNIT to the EXTENSION BOAD. 33. (1) Connect F voltage meter the (F VTVM) to Pin 16 of J18. (2) Adjust L51 to get maximum meter readings. (3) emove F VTVM and connect frequency counter to Pin 16 of J18. (4) Set MODE SWITCH to USB, and adjust trimmer capacitor C541 so that the frequency counter indicates 6,187. khz. (5) Set MODE SWITCH to TUNE, and adjust trimmer capacitor C542 so that the counter reading indicates 6,187.75 khz. Sid 8 (26)

UNIDEN 22 34. Modulator Output Coil Adjustment (1) Connect F VTVM to Pin 6 of J16 (IF UNIT). (2) Set F AMP SWITCH on the rear panel to OFF. (3) Set MODE SWITCH to TUNE. (4) Turn CAIE CONTOL knob fully clockwise. (5) Set STANDBY SWITCH to MANU. (6) Adjust L51 for maximum VFVM indication. It will indicate around.2v r.m.s. (7) eset CAIE CONTOL fully counterclockwise and STANDBY SWITCH to PTT. (8) Connect AG output to the microphone jack and provide 1,5 Hz, 1 mv output. (9) Set MODE SWITCH to USB. (1) Turn MIC GAIN CONTOL fully clockwise. (11) Set STANDBY SWITCH to MANU. (12) Adjust L54 for maximum meter indication. It will indicate around,3v r.m.s. 35. Balanced Modulator Alignment. (1) This alignment should be taken place after completion of OUTPUT METE adjustment (51, 52). *(2) Obtain maximum output at 14.2 MHz. (3) Set MODE SWITCH to USB. (4) Connect F meter to antenna jack. (5) Make sure that MIC GAIN CONTOL is set fully counterclockwise. (6) Set STANBY SWITCH to MANU and adjust 53 for the minimum meter indication. (7) Change MODE SWITCH to LSB and USB by yurns, and make presise tuning by adjusting 53 to get equal meter readings on both modes. 36. AM Modulation Adjustment (1) This alignment also should be made after completion of OUTPUT METE adjustment (51, 52). *(2) Obtain maximum output at 14.2 MHz. (3) Set MODE SWITCH to AM (4) Set STANDBY SWITCH to MANU. (5) Turn CAIE CONTOL to get 12 mv reading on the meter. (6) Connect AG output to microphone jack and provide 1,5 Hz, 1 mv output. (7) Set MIC GAIN CONTOL to 3 o clock position. (8) Use Oscilloscope to observe output envelope. (9) Adjust 59 to keep about 8% of output modulation level. Sid 9 (26)

UNIDEN 22 4. TANSMITTE F CICUITS ALIGNMENT 41. Test Equipment equired (1) F Power Meter. 42. Tuning Coil Adjustment *(1) Obtain maximum output at each frequency in chart 421A, but note that PESELECT CONTOL should be center position. (2) Set METE SWITCH to ALC. (3) Turn CAIE CONTOL knob fully clockwise. (4) Set STANDBY SWITCH to MANU. (5) Adjust each coil in chart 421B to get the maximum meter reading. (6) eturn CAIE CONTOL counterclockwise so as to make tuning more easily upon adjustment. (7) epeat (1) to (6) procedures on each band in order as show in the chart 421. Chart 421 A B Adjusting Frequency (MHz) Adjusting Coil No. 3.6 L251, L252, L259 7.1 L253, L26 14.2 L254, L261 21.2 L255, L262 28.5 L256, L263 Sid 1 (26)

UNIDEN 22 5. F output meter adjustment 51. Test Equipment equired (1) F Power Meter. 52. Adjustment Procedure. *(1) Obtain maximum output at 14.2 MHz (2) Set METE SWITCH to PW. (3) Turn CAIE CONTOL knob fully clockwise. (4) Adjust the meter adjustment potentiometer 8 on the rear panel, so that the IK reading shows 2 ma. 6. FEEDBACK NEUTALIZING. 61. Test Equipment equired (1) F voltage Meter (F VTVM) 62. Adjustment Procedures. *(1) Obtain maximum output at 21.2 MHz. (2) Set F POWE AMP SWITCH on rear Panel to OFF. (3) Connect VTVM to antenna jack. (4) Turn CAIE CONTOL FULLY clockwise. (5) Set STANDBY SWITCH to MANU. (6) Adjust the air trimmer C137 to obtain minimum meter readings. CAUTION use insulated screw driver only for this adjustment. Sid 11 (26)

UNIDEN 22 POWE SUPPLY ALIGNMENT 1. AV UNIT (PC82) ALIGNMENT. 11. Test Equipment equired (1) DC Voltage Meter. 12. Voltage Measurement and Adjustment. (1) 8.2V DC Power Source: Connect DC Voltage meter to Pin 3 of J651, and adjust potentiometer 659 to get 8.2V ±.2V of meter readings. (2) 6V DC Power Source: Connect the meter to Pin 5 of J651, and check that the meter reading indicates within 5.5 6.5V. This process should be made after completion of (1) as mentioned above. (3) 5V DC Power Source: Connect the meter to Pin 9 of J651 and adjust potentiometer 653 to get 5V +.2.1V of meter readings. (4).I.T Power Source: Connect the DC meter to Pin 6 of J651 and adjust potentiometer 662 to get 1.3V ±.1V of meter readings. Sid 12 (26)

UNIDEN 22 LOCAL OSCILLATO CICUITS ALIGNMENT 1. VFO UNIT (PC83, PC84) ALIGNMENT 11. Test Equipment equired (1) Frequency Counter (2) F voltage Meter (F VTVM) 12. Oscillator Frequency Adjustment. (1) Set FUNCTION SWITCH to INT (2) Set.I.T SWITCH to OFF (3) Connect Frequency Counter to Pin 5 J71. (4) Turn the main dail nd set it to KHz (toward 9 khz, 1 khz), then adjust L72 to get 9,38 khz counter reading. (5) Then turn the dial to khz (toward 1 khz), and adjust trimmer C77 to get 9,138 khz counter readings. (6) epeat (4) and (5) adjustments until both readings are made correctly. 13. Output Voltage Adjustment. (1) Set switches to same as 12 adjustment. (2) Connect F meter to Pin 5 of J71. (3) Turn and set the dial to 5 (center) readings. (4) Adjust L76 and L77 to get maximum meter readings. It will indicate around.4.5v r.m.s. Sid 13 (26)

UNIDEN 22 2. PLL UNIT (PC86, PC87) ALIGNMENT. 21. Test Equipment equired (1) Frequency Counter (2) F voltage Meter (F VTVM) 22. VCO Unlockedoscillation Frequency Adjustment. (1) Set FUNCTION SWITCH to. EXT. (2) Connect Frequency Counter to the DAIN of Q87. (3) Adjust L81 so as to get 16. MHz counter readings. CAUTION Don t use magnetized tools when adjusting PLL unit because magnetization of VCO coil core may make C/N of oscillation output worse extremely. 23. Bandpass Amplifier Alginment. (1) Set FUNCTION SWITCH to INT. (2) Set SEGMENT SWITCH to 2/7 khz. (3) Turn and set the dial to 5 (center) readings. (4) Connect F voltage meter to the BASE of Q817. (5) Adjust L84 L87 to get maximum meter readings. It will indicate about.5v r.m.s. Sid 14 (26)

UNIDEN 22 3. LOCAL OSCILLATO UNIT (PC92) ALIGNMENT. 31. Test Equipment equired (1) F Voltage Meter. (2) Frequency Counter. (3) Sweep Generator. (4) Oscilloscope. 32. Xtal Oscillator Output Adjustment. (1) Connect F voltage meter to TP12. (2) Select BAND SWITCH in order, starting from 15. MHz, according to chart 321A and adjust each coils in 321B so as to get 1.5V r.m.s. meter readings, respectively. Chart 321 A B C D BAND COIL (see 32) Freq. (see 33) TIMME (see 33) 15. L11 37.25 MHz C116 3.5 L12 25.525 C117 7. L13 29.25 C118 14. L14 36.25 C119 21. L15 43.25 C12 28. L16 5.25 C121 28.5 L17 5.525 C122 29. L18 51.25 C123 29.5 L19 51.525 C124 27. L11 49.25 C125 33. Xtal Oscillator Frequency Adjustment. (1) Connect Frequency Counter to TP12 through 1pF capacitor. (2) Select BAND SWITCH in order starting from 15. MHz according to the chart 321A and adjust each trimmer in 321D so as to obtain frequency readings as shown in 321C respectively. 34. VCO Buffer Amplifier Adjustment. (1) Connect F voltage meter to DAIN of Q113. (2) Set BAND SWITCH to 3,5 MHz. (3) Set SEGMENT SWITCH to 2/7 khz. (4) Turn and set the dial to 5 (center) readings. (5) Adjust L121 and L122 to get maximum meter readings. Sid 15 (26)

UNIDEN 22 35. Bandpass Filter Adjustment. (1) Connect test equipments as show in Fig 351 Fig 351 Oscilloscope Sweep Generator H V TP11 J14 (1) (2) Select BAND SWITCH in order, starting from 15. MHZ according to the chart 351 and adjust each coil (351C) so as to get the assigned wave from on oscilloscope (351B) respectively. (3) After completion of these adjustments, remove sweep generator and oscilloscope. Then, connect F voltage meter to Pin 1 of J14 and confirm that meter readings on each band show.7 1.3V r.m.s. Chart 351 A B C BAND WAVE FOM COIL 15. Fig. 352 L123, L13 3.5 353 L124, L131 7. 354 L125, L132 14. 355 L126, L133 21. 356 L127, L134 28. 357 L128, L135 28,5 358 L129, L136 Sid 16 (26)

UNIDEN 22 VOLTAGE MEASUEMENTS 1. TUBE Pin No Section Tube T 1 2 3 4 5 6 7 8 9 P TX F V251 12BY7A T 3.2 16.5 (12.6) (12.6) (6.3) (6.3) 28 325 188 325 Final V11 6146B V12 6146B T T.29.29 (12.6) (12.6) (6.3) (6.3) 25 215 25 215.29.29 5 79 5 79.29.29 (6.3) (6.3) 75 9 75 9 *Final V11 6146B T.23 (12.6) (12.6) 218 218.23 5 79.23 (6.3) (6.3) 43 46 2. Transistor & FET Section Q Nr. TYPE T or E or S C or D B or G1 G2 L.O Q 11 12 13 14 15 16 17 18 19 11 111 112 113 115 116 117 118 119 12 2SC735Y 2SC784 2SC784 2SC784 2SC784 2SC784 2SC784 2SC784 2SC784 2SC38Y 3SK35BL 2SK19G 2SC38Y 2SC38Y 2SC38Y 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.7.5 2. 6.5 6.5 2.8 4.5 5. 5. 5. 5. 5. 5. 5. 5. 5. 5. 11.7 12. 11.5 1.1 1.1 11.4 1.3 5.7 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.4 5. 5. 3.4 XF TXF IF Q 21 22 23 24 Q 251 Q 351 352 353 354 355 356 357 357 3SK35G 3SK35G 2SK19G 2SK19G 3SK35BL 3SK35G 3SK35G 3SK35G 2SK19G T T.6 1.1 1.4.7.7.7.7.7.8.1.8 1.6 11.8 11.8.9 11. 7.4 7.4 7.4 5. 1.3 8.2.8.8.5.6.6.6 1.5 1.3 1. 3.8 4.4 1.3 4. 2.6 2.6 Sid 17 (26)

UNIDEN 22 Section Q Nr. TYPE T or E or S C or D B or G1 G2 AF GE AV VFO OP FPA Q 41 42 43 44 45 46 47 48 49 Q 52 53 56 57 58 Q 651 652 653 654 655 656 657 658 Q 71 72 73 Q 754 Q11 Q11 2SK3AY 2SA495Y 2SC735Y 2SC38Y 2SC38Y 2SC38Y 2SC1173 2SC1173 2SC1173 2SC373Y 2SK19G 2SK19G 2SC38Y 2SC38Y 2SC983 2SC983 CW T T SSB T T & T & T 4.5.1 1.4 1.2 1.4 1.7 1.1.2 2.5 2.6 2.1 1.5 5.8 5. 2.6 11.1 8.9 8.2 2.6 6..5 1..9.7 5 79 1.3 9.8 3.5 7.9 1.5 12. 5.9 3.3 2.5 7.4 6.7 6.6 7.5 8.7 8.7 6.4 12. 11.1 11.1 9.5 8.2 4.2 4.5 4.8 4.3 1. 4.7 5..7 2. 2.3 1.8 1.2 3.2 3.3 2.7 2.1 6.4 5.8 3.2 11.8 9.5 8.9 3.2 6.7 1.4 1.4 5 79 3. IC Unit I.C. 1 2 3 4 5 6 7 8 9 1 11 12 13 14 GE Q 51 MC 1496 Q 54 MC 1496 Q 55 TA763P AF Q 41 TA724P 1.6.9.7 1.4 1. 4.8 3.8 3.8 4.8 2.5 1.8 1.8 2.5 1. 5.1 4.6 4.6 5.1 1.3.6.7 4.5 7.2 5.8 12. 7.1 1.4 1.4 11.3 5.6 5.8 5.5 Notes (1) Unit: Volt (2) Voltage depends on 1M ohm Impedance of V.T.V.M (3) T: Voltage at maximum TUNE output : Voltage at receiving at no signal (4) Voltage in the parentheses means on AC and others on DC (5) E: Emitter C: Collector B: Base S: Source D: Drain G1: Gate 1 G2: Gate 2 (6) Mark * means final section of 22Pwhich is modified to 1W for domestic marker use. Sid 18 (26)

UNIDEN 22 VOLTAGE MEASUEMENT PLL UNIT Set SEGMENT SWITCH at position Set BAND at 14. MHz Set VFO DIAL at Q 83 84 85 86 87 88 89 2SC1682 2SC373 2SC373 2SK19 2SK19 3SK35 2SK19 E or S B or G1 G2 C or D 1.2 V 1.7 V 5. V.7 1.2 3.3.7 3.3.5 3.2.8 4.2.9 8.8.8 8.7 Measurement by DIGITAL VOLTMETE F VOLTAGE Q 86 87 88 89 817 2SK19 2SK19 3SK35 2SK19 2SC735 B or G1 G2 C or D 2.2 V PP.8 V PP 2. V PP 24 mv PP 1.6 V PP.9 V PP.8 V PP 7.5 V PP 1.4 V PP 5. V PP Measurement by CT Oscilloscope Sid 19 (26)

UNIDEN 22 1A 1A 1B (.1 us/div) (.1 us/div) 1C 1D 1C (5 us/div) 1D (5 us/div) (.5 us/div) (.5 us/div) Sid 2 (26)

UNIDEN 22 PLL Unit (PC86) Operation Unit (PC85) Sid 24 (26)

UNIDEN 22 1E 1F 1G 1H 1H Sid 21 (26)

UNIDEN 22 1I 1I (5 us/div) (.1 us/div) 1J 1J 1K (.1 ms/div) (5 us/div) (.1 ms/div) Sid 22 (26)

UNIDEN 22 2A 2D (,1 Us /DIV) (2 Us /DIV) 2B 2D (2 Us /DIV) (1 Us /DIV) (,1 Us /DIV) 2C (2 Us /DIV) Sid 23 (26)

UNIDEN 22 Sid 25 (26)

UNIDEN 22 Sid 26 (26)