Trio TS-510 - Service manual
Contents
1. UC1110J Symbol No Description Part Remarks CAPACITORS C85 Mica 22PF 5 C852 Mica 47PF 5 C853 Mica 100PF 5 C854 855 Ceramic D O1u F 100 0 RESISTOR R851 Fixed Carbon Composition 4 7k gt 10 1 2W COILS EX c meii i L851 OSC Coil 28MHz A Lt1 82 L852 853 OSC Coil 14MHz 21MHz L11 81 L854 OSC Coil 7MHz 111 80 L855 OSC Coil 3 5MHz L11 79 L856 OSC Coil 28MHz B L11 83 MISCELLANEOUS Printed Circuit Board 523 289 Terminal for PC B x2 N4085 Wafer 84141 TO eee 11090 CAPACITORS C901 Mica 680PF 5 C902 Mica 36PF 5 C903 Mica 150PF 5 C904 Mica 27PF 5 i C905 907 Ceramic 100 oe i C908 Mica 12PF 5 j RESISTOR R901 Fixed Carbon Composition lk 10 1 2W 54 E a nm COILS L901 Tune Coil 3 5MH2 L13 142 i L902 Tune Coil 7 MHz L13 138 L903 Tune Coil 14MHz L13 139 L904 Tune Coil 21MHz L13 140 L905 Tune Coil 28MHz L13 141 MISCELLANEOUS Printed Circuit Board 523 280 Terminal for P C B x4 N4086 Wafer S4140 P V C Insulated Wire 0 86 white 0 2m WO2 89 UC1108J CAPACITORS C2 Mica 100PF 10 C951 Mica 680PF i5 96 C952 Mica 36PF 5 C953 Mica 150PF t5 C954 Ceramic 0 01 F 100 0 C955 Mica 27PF 5 C956 957 Ceramic Q OluF 100 0 RESISTOR MES RA Fixed Carbon Composition 1000 10 172W PARTS DES2. SSB TRANSCEIVER PARTS DESCRIPTION LIST MAIN CHASSIS LB 6J SECTION PRINTED CIRCUIT plopE S W BLOCK UC1209J COIL PACK D BLOCK UC1111J COIL PACK C BLOCK UC1110J COIL PACK B BLOCK UC1109 J COIL PACK A BLOCK UC1108J FINAL UNIT BLOCK UC1404J IF UNIT BLOCK UC1204J UNIT BLOCK UC1112J VFO BLOCK UG0116J1 BM UNIT BLOCK UC1501J CARRIER BLOCK UC1405 MARKER UNIT BLOCK UC1502J AF UNIT BLOCK UC1304J Symbol No Description Part No Remarks CAPACITORS C1 Ceramic 0 01 100 0 C3 Ceramic 0 001 uF 100 0 C4 Ceramic 0 01 uF 100 0 C5 8 Ceramic 5OOPF 100 0 C9 Ceramic 0 01 uF 700 0 C10 Mica 800PF t10 Mica 150PF 10 C12 13 Ceramic 0 01 UF 100 0 C14 15 Ceramic 0 001 uF 100 0 C16 Mica 250PF 5 C17 Ceramic 0 01 uF 100 0 C18 Ceramic 0 01 uF 20 C20 23 Ceramic 0 01 4F 100 O C24 Oil Impregnated Paper 0 01 uF 20 C25 Ceramic 0 04 pF 100 0 C26 Electrolytic Tubular ATF Z5WV RESISTORS R5 Metallic Oxide Film Composition 4 700 15 7W R6 Fixed Carbon Composition 100kQ 10 1 2W R7 8 Carbon Composition IMQ 5 1W R9 Carbon Composition 10k 5 1W R10 Fixed Carbon Composition 1k 10 1 2W R11 Fixed Carbon Compo
3. L 605 Gore Position Printed circuit board 6 In this condition return the STAND BY switch to REC 7 Approx 1 minute thereafter set the switch again to SEND and adjust all the knobs so that the power will reach a maximum 8 Set the meter switch to ALC and reduce carrier injection until the ALC deflection comes to the 150mA position on the Ip scale 9 Retune each section and check that the specified value of ALC deflection is obtained 10 In this condition adjust the deflection of the RF meter VR10 located in the rear of the chassis to the 200mA position 11 Return the STAND BY switch to REC 12 Set the switch to SEND adjust each knob and check that more than 80W 3 530MHz power is available 13 Similarly check that more than 80W 7 050MHz and 21 2MHz powers are available 14 Similarly check that more than 50W 28 3MHz 28 8MHz and 29 4MHz powers are available Note a If the final stage is out of tuning there is danger of damage to the 2001 So be sure to tune the final stage completely and quickly b When Ip more than 15mA is used for adjust ment it is desirable ta turn it on for one minute and off for 20 seconds for example uai 3MHz trap 1 Purpose To reduce spurious radiation near 14 13MHz 2 Measuring instruments 752 dummy power meter Synchroscope 3 Adjusting procedures 1 Connect the 75 dummy to the ANT terminal 2 Turn the ATT of the synchroscope to the
4. Shield Case E24 01 7pMT Shield Case 3 E2406 7pMT Molded Socket for P C B x3 65147A gpMT Molded Socket for P C B 1 19 Terminal for P C B x 41 N4085 Insulated Wire 0 56 Yellow 0 07m WO02 54 P V C Insulated Wire 0 84 Blue 0 225m w02 86 P V C Insulated Wire 0 8o White 0 09m WO02 89 P V C Insulated Wire 0 5 Spiral 0 275m W62 529 P V C Insulated Wire 0 56 Spiral 0 15m W62 579 UC1112J CAPACITORS C201 Ceramic 20PF 10 202 Ceramic 5PF 0 5PF C203 0 005 uF 100 0 i C204 205 Ceramic 0 01uF 100 0 C206 Ceramic 50PF 110 C207 Ceramic 0 005u F 100 0 C208 213 Ceramic 0 01 F 1 100 0 C214 Ceramic 30PF 10 C215 Ceramic 10PF 0 5PF C216 219 Ceramic 0 01uF 100 0 C220 Ceramic 50P F 10 i C221 Ceramic 0 01 uF 100 036 C222 227 Ceramic 0 04 uF 100 0 C228 Ceramic 5PF 0 5PF PARTS DESCRIPTION LIST Symbol No Description Part No Remarks RESISTORS R201 Fixed Carbon Composition 100k2 10 1 2W R202 Fixed Carbon Composition 3302 t1096 1 2W R204 Fixed Carbon Composition 10 1 2W R205 Fixed Carbon Composition 1502 10 1 2W R207 209 Fixed Carbon Composition 100kn 10 1 2W R210 Fixed Carbon Composition 33k 10
5. 10025 MIA 141 seq 9Vd9 rA WOLLOS 0 A QvO1 OA 131 07 SNYHL 950 9041 OA 1VTd OA 3 IS 106 LOOZS A 9v 89 uA OA ONIZIIVYLNIN 131 99 CrEOSZ 100 131 lac 3 OA SN S YILIN S EYA 13A31 HHVO IYA VLAGZL WA gVd9 9299 tA Lal s OA FAINT 2A V8H99 A VSMV9 102A ONVTV WE 9829 A V8H99 A BINED A o me i 1 Fr OJA HV3D TWIG EzEOSZ 0 15 CHASSIS BOTTOM VIEW HOIIAS QvVO1 4i qs LINN TYNId LINN H211MS 30010 LINN 1102 _ _ 43908 3AIHQ LNY 138 1109 SIXIN dH S 1INn WR LINN 1102 3 VIN 46982 p LINN Tv AX BE Des Wes vix 250 1 Tv lX HINSOSG6E E t dY SNVHL 103 7HW HW SNvYH1I INdLNO LNO dv BE6EE EPGEE B3lHHuv2 16 BLOCK DIAGRAM GOOLE GEE GQ S68 9E 82 96852 12 GETZ tt GE ZHMGOE 1 pix 9UAPoraleH pueg OWEN 25962 L 7HWO0 050 pix r FI nins ZHAGZ IHS duy Jaye ux 19 dug seng au 00v OIA away JX 151 aU vay THING 6 v MEA IS
6. C708 Ceramic 0 04 uF 80 20 C709 Ceramic SPF 0 5P F C710 Electrolytic Tubular luF BOWV RESISTORS _ R701 Fixed Carbon Compasition 10 1 4W R702 Fixed Carbon Composition 100k2 10 1 4W R703 Fixed Carbon Composition 47082 10 1 4W R704 Fixed Carbon Composition 1060 10 1 4W R705 706 i Fixed Carbon Composition 150k 10 1 4W R707 708 Fixed Carbon Composition 10kx2 10 1 4W R709 Fixed Carbon Composition 4 7k 10 1 4W R710 711 Fixed Carbon Composition 47k t10 172W POTENTIOMETER V R701 sokg B R10 56 COIL l 4 L701 Ferri Inductor 12mH TRANSISTORS Q701 704 252373 MISCELLANEOUS _ Printed Circuit Board 523 288 Crystal Holder A4853 TC701 Ceramic Trimmer 40PF C4047 Crvstal Socket E4058 Terminal for P C B x3 N4086 Screw 12 Nut N3 F CAPACITORS Ceramic 10 Ceramic 0 01 100 0 Ceramic 200PF 10 Metalized Paper 0 2 20 Electrolytic Tubular 104F 16WV Electrolytic Tubular 10pF 250WV Ceramic Q 014F 100 0 Electrolytic Tubular 25WV Electrolytic Tubular 250WV Ceramic 0 0054F 100 0 Electrolytic Tubular 1 25WV Electrolytic Tubular 10 25WV Ceramic 0 002uF 20 Mica 1056 Electrolytic Tubular 33gF 16WV RESISTORS Fixed Carbon Composition 1Mg 110 1 2W Fixed Carbon Composition 470k 10 172W Fixed Carbon Composition 2
7. 1 Spring 62 12 Dual Shaft A64 36 Drive Shaft 4 37 Band S W Shaft A64 38 Patch i A90 LA215 Final Box A90 L B6J Final Cover L Type A91 LB6J Decorative Plate A94 L AOT Load Holder x 16 A4880 Shaft Shield Fittings x 3 A4947 Angle for load S W A5034 Side Angle x 2 A5035 Coif Pack Holder x2 A5036 Meter Holder 5037 Relay Holder x 2 A5038 j Angle for Bobbin x2 A5039 Angle for VOX A5040 Coil Pack Cover 5045 Panel Framework AA02 L B6J Plate B08 31 Address 859 0001 00 Pulley x4 D04 29 Mold Socket EQ1 19A US Socket E01 38A PL Halder E03 02F Es Lug x3 E04 101 Lug x4 EO4 101B Lug x 2 E04 202B M Type Receptacle E07 11P i Plug Socket Jack E07 14C Square Plug Socket with 12 EQ7 212B J 1P Jack E08 11C EO9 11P E09 14C 09 410 M Type Receptacle Plug i Plug Socket Plug 1P Pin Plug PARTS DESCRIPTION LIST Part N Shielded Wire W11 016K Reticular Wire W14 01 Vinyl Tube Layflat Width Black W17 17 P V C Insulated Wire Spiral W6 2 509 P V C Insulated Wire Spiral W62 519 P V C Insulated Wire Spiral W62 529 P V C Insulated Wire Spiral 62 539 P V C Insulated Wire Spiral W62 549 P V C Insuiated Wire Spiral W62 559 P V C Insulated Wire Spiral W62 569 P
8. 1 2W R211 Fixed Carbon Composition 100kQ 10 1 2W R212 Fixed Carbon Composition 4709 10 1 2W R213 Fixed Carbon Composition 100k 10 1 2W R214 Fixed Carbon Composition 47 10 1 2W R215 Fixed Carbon Composition 1000 10 1 2W R216 Fixed Carbon Composition 100k 10 1 2W R217 Fixed Carbon Composition 1 5k t1096 1 2W R218 Fixed Carbon Composition 102 10 1 2W R219 Fixed Carbon Composition 47kQ 10 1 2W R220 Fixed Carbon Composition 58k 10 1 2W R221 Fixed Carbon Composition 100k 10 172W COILS L201 Ferri Inductor 1mH L202 Ferri Inductor 15uH L203 Ferri inductor 1mH L204 Choke Coil 0 22uH V201 6AW8A V202 12BY7A V203 6086 V204 6826 HA TRANSISTOR DIODES Q201 280373 m D201 202 SM 150 01 MISCELLANEOUS Printed Circuit S23 282 VC201 202 Variable Capacitor D01 162 Pulley 2 D04 29 Shield Case x2 E24 01 7PMTShield Case 2 E24 06 7PMT Molded Socket for P C B x 2 E51 17A 9PMT Molded Socket for P C B 2 E51 19C Terminal for P C B x 16 N4085 P V C Insulated Wire 0 56 Black 0 07m W02 50 P V C Insulated Wire 0 8 Blue 0 26m W02 86 P V C Insulated Wire 0 86 White 0 23m WO02 89 P V C Insulated Wire 0 5 Spiral 0 24m W62 529 011601 CAPACITORS C1 Temperature Compensating Cer
9. sue muq 27 duy oov Ly Ju SZE zigo uey Jy 3 na duy eld _ duy 3v 1dO 1115 PWS 1035 ite e ds dwy 4 60t1 feu ZHY 8 2000 950 mum p pis WO 6EE 8 22 1000 dug s 181410 duy Amjad AC NN 18 2 AO X duy il ZHAO 151114 097 wen ZHAO 10 ove que ZHN EEE AO 209 E IDA OIN ZHAG 957 z d 965 du TOW paouejeg 4 OIN Y epo iie sng A 17 PHANTOM VIEWS SEALED CIRCUIT AS E NM SEALED CIRCUIT ASSEMBLIES PHANTOM VIEWS L gt cov PE D E 4 je 3 a gt i SEALED CIRCUIT ASSEMBLIES PHANTOM VIEWS 501 304 6846 v3 03 fc86 330 or ree MA 0325 5S2 200 07 3055157 34 30 65934 303 754887 324 M BOTTOM VIEW OF TRANSISTOR 2X 37 254562 n B 2 2 z lt 2 4 x Q E E z La t gt 4 vs g 0201 25C373 22 SEALED CIRCUIT ASSEMBLIES PHANTOM VIEWS lt DAHA Yi 7 EJ Qa 298 0 gt b a 11960 o c LUE 060 604
10. 605 509 0605 5 603 6H84 091905 OI SEALED CIRCUIT ASSEMBLIES PHANTOM VIEWS Q00 002 25C373 0001 002 iN6O D003 5SZ 260 18 25 3 BOTTOM VIEW OF TRANSISTOR lt 701 70110 lt Q7Ol 2SC37T3 24 z E 2 amp lt L 0 2 lt Q x 9 E D 30 225252 E AQS2 51 MIIA W01108 WV608 toro OSN 1 Op 0 Orc 2SZ OD BABI y m m KJ xz AWS AOsz 25 ALIGNMENT PROCEDURE General Description This manual describes the adjusting sequence and procedures of the transmitter receiver and accessory circuits of che Model TS 510 SSB transceiver I 1 Preliminary Operations Checking the parts 1 Check the crystals and vacuum tubes 2 Plug of VFO remote terminal 3 Connect a 89 3W dummy resistor to the PHONES terminal Setting the variable resistors and others 1 Final bias VR VR6 Fully clockwise position 2 UC 1204 S meter SENSE VR VR301 clockwise position 3 UC 1501J CAR LEVEL VR VR601 er clockwise position 4 RFGAIN VR VR3 5 UC 1405J TOO1 core Fully clockwise position 6 Set the antenna switch to REC Fully Fully count Fully clockwise position Checking the volta
11. 84 WU2 89 WO03 QB WOd 12 W05 01 W17 17 CONSTANT VOLTAGE UC1004J SECTION 523 277 E51 91B N4280 RECTIFICATION UC1005J SECTION 523 27B Part No W12 120 marks SCHEMATIC DIAGRAM amp SPECIFICATION UCIOOSJ R4 15K RG 22K BW CIO3 CO4 G 22K D 0104 103 g UCIO04J V201 SAM8 RT 22k BW R103 RIO4 22 RIOI RIOB 470K z GIOI CIO 010 00 SE OS5c SE 05b R2 470K R3 470K 205 5 1603 AN R204 33K 205 22K SPECIFICATION O Power Unit The above figures are the values measured at the connector section of the TS 510 Primary side input 117 volts 50 60 Hz th N h he va M Secondary side outpur When TS 510 is transmitting CW and out 1c figures 1n the parentheses are the values measured when receiving in CW mode put is 90 Wi P Co tion 360 W 880 970 196 14 3 O Speaker 785 295 36 5 10 0 Diameter 5 1 2 202 212 64 58 0 Impedance 8a 150 90 107 0 Frequency 150 5 000 Hz 91 11 1 13 8 13 6 14 107A 1 094 Allowable maximum input 1 5 w 12 7 13 1 275 2 81A Dimensions 200 180 h x 360 4 Tnm excluding legs Weight 15 kg 34 SEALE
12. Dial Scale A07 UCO110J Plate B42 0010 04 V C Variable Capacitor C01 0001 05 V C Midget Capacitor C03 0001 05 Trimmer ECV 1ZW 10P12 C4036 Dial D03 18 V F O Box A F11 0004 13 V F O Box B F11 0005 04 V F O Box C F 11 0006 03 V F O Box D F11 0007 04 V F O Box E F11 0008 04 V F O Box F F11 0013 04 V F O Box G F11 0010 04 Box H F11 0011 04 lt V F O Box 1 F11 0012 04 Lug E04 101B Acme Terminal E4071 j Terminal x5 N4085 Earth Lug N28 0 32 Shaft Coupling S4082 P V C nsulated Wire 0 5 s 0 3m W02 50 P V C Insulated Wire 0 2m WD02 52 P V C Insulated Wire 0 3m WD02 54 P V C Insulated Wire 0 2m WO02 56 Tinned Wire 0 8 5 TCW 0 2m W03 08 Pan Head Screw P2 4 3 Pan Head Screw 6 x38 Flat Head Washer W3 F x4 Pan Head Screw P3 4 F 10 PARTS DESCRIPTION LIST i UC1501J Symbol No Description Part No Remarks CAPACITORS C601 602 Mica 100PF 5 C603 604 Ceramic Q 005uF 100 0 C605 Electrolytic Tubular 1OuF 16WV Metalized Paper 0 05uF 20 C607 Ceramic 0 01 uF 100 C608 Polyester 1 41 5 C609 610 Cerarnic Q 001 uF 700 C611 Mica 5QPF 5 C612 613 Ceramic 0 0 100 C614 Cerarnic 30P F 10 C615 617 Ceramic 0 01 uF 100 C618 Electrolytic Tubular 10 F 1
13. MHz Detector IN60 IN IN60 ly i OUI 1200 Oscilloscope Slow sweep generator 3 395kHz Center frequency Frequency deviation Max t5kHz More than 0 1V Minimum 0 5 sec cm Output voltage Sweep speed Afterglow oscilloscope Has afterglow characteristic More than 1 sec Both vertical and horizontal amplifiers are DC amplifi ers SSG Frequency 3 0 to 30MHz Output OdB uV to 120dB u V No modulation and little frequency modulation com ponent Frequency counter Minimum input voltage Less than 50m V max More than 10MHz AF vacuum tube voltmeter Frequency 100 to 10kHz More than 1MQ 10mV to 30V FS nput resistance Range AF generator Output impedance Less than 6002 Output voltage Max 1V 300 to 5kHz Less than 0 5 at 1 500Hz Frequency Distortion factor 7540 dummy Frequency 3 5 to 30MHz Power More than 100W 502 dummay also usable Synchroscope 30MHz One which permits easy synchronization Maximum input RF voltage More than 100V F max 32 PARTS DESCRIPTION LIST PS510 MAIN CHASSIS SECTION PRINTED CIRCUIT UC1004J UC10054 Constant Voltage Block Rectification Block CAPACITORS Oil Impragnated Paper D O1uF 20 Electrolytic Block 4 uF x 2P x 2 35OWV Ceramic D QluF Electrolytic Block 100uF Electralytic Block 40uF x 4P Dil Impregnatad Paper QTAF SOOWV 350W V 20 10 1 2W 11
14. PROCEDURE 10003 TC004 USB 3396 5kHz 10Hz LSB CW 3393 5kHz 10Hz 4 Set the STAND BY switch to SEND and adjust the CW transmitting frequency CW 3394 3kHz 10Hz 5 Set the STAND BY switch to REC 6 Set the TC001 to the same blade of the trimmer position as the TC002 2 Tc004 TC002 TCOO3 UC 1405J 6 Coil pack 1 Purpose To achieve the antenna RF tuning of the coil pack 2 Measuring instruments SSG Oscilloscope AF vacuum tube voltmeter 3 Adjusting procedures 1 Connect the SSG output to the BEC ANT terminal and set the ATT to 4OdB Non modulation signal 2 Connect the oscilloscope AF vacuum tube volt meter to the 82 dummy resistor of the PHONES terminal so that observation can be made 3 Set the DRIVE knob of the front panel to the 12 o clock position In this case make sure that the DRIVE knob has no divisional differences at both sides 4 Set the BAND switch to 3 5MHz 28 5MHz 21 MHz and 14 MHz 7 MHz adjust SSG frequencies and VFO requencies to 3 750MHz 28 800MHz 21 225MHz to produce approx 1 000Hz beat 14 175MHz 7 1 50MHz L901 L951 L905 L955 Next adjust the coil cores L904 L954 L903 L953 L902 L952 of coil packs UC1109J and UC 1 108 so that maximum meter indication and beat note can be obtained Note 1 If you fail to observe the correct band adjusting sequence proper adjustment will become impossible Tune the 3 5MHz L951 UC 1108 co
15. SIDE TONE 1 Purpose To set the output level of side tone and to check semi break in operation 2 Measuring instruments 752 dummy power meter Key AF vacuum tube voltmeter Oscilloscope 3 Adjusting procedures 1 Connect the dummy to the ANT terminal and connect the AF vacuum tube voltmeter and oscilloscope to the PHONES terminal 2 Set the STAND BY switch to SEND set the MODE switch to CW and adjust each knob so that a maximum power will be available at 14 2MHz 3 Check that when the key is inserted into the key jack RF output is reduced to zero 4 Check that when the key is pushed the power is available as before Thereafter adjust the side tone VR VR401 located in the UC 13047 so that side tone AF output 50mW 0 63V Sg will be available 5 Set the STAND BY switch to VOX and check that when the key is pushed the semi break in keying can be done V Instrument Specifications DC vacuum tube voltmeter More than 1Ma 1 5V to 500 F S Input resistance Range AC vbltmeter Precision class AC voltmeter or Class 2 5 or higher precision moving iron type voltmeter RF vacuum tube voltmeter Input impedance More than 1 Less than 20pF Range 10mV to 300V F S ATT usable Sweep generator Center frequency 2 6MHz Frequency deviation Max 500kHz or more Output voltage Approx 0 1V Sweep speed 50Hz Marker Preferably obtainable at three points 8 3MHz 8 6MHz and 8 9
16. Set the MODE switch to USB and make fine adjustment of the trimmer TCO03 so that the output diffrernce between AF signal 400Hz and 2 600Hz will be reduced to less than 5W as in Item 5 7 Disconnect the AF generator from the MIC terminal and rotate the MIC GAIN fully counter clockwise 8 Set the MODE switch to LSB again and adjust the trimmer of the balancing VR of the UC 1501J so that RF vacuum tube voltmeter will give a minimum indication The same proce dures as in Item 3 9 Set the MODE switch to USB If the RF vacuum tube voltmeter gives a larger indication adjust the VR and trimmer to points where the RF vacuum tube voltmeter at USB and LSB give the same minimum indication and let the reading of the RF vacuum tube voltmeter at the time be A 31 When the MODE switch is changed over from LSB to USB if the RF vacuum tube voltmeter gives a lower indication do not readjust the VR and trimmer but let the reading at LSB be A 10 Turn the ATT of the RF vacuum tube voltmeter to the maximum position 11 Supply 7mV 1 500Hz AF signal to the MIC terminal of the UC 1501J and check that more than 80W power is available Let the reading of the RF vacuum tube voltmeter be B 12 Check that the difference between the RF vacuum tube voltmeter readings A and B is more than 40dB Note Limit the time ratio of transmission to re ception to 3 1 MIC GAIN 1 Purpose To set the MIC GAIN VR 2 Measuring ins
17. V C Insulated Wire Spiral W62 579 P V C Insulated Wire Spiral W6 2 589 Screw M6 x 18 Nut N6 F Washer WB x 13 x 1 F Spring Washer SW6 P Hexagon Nut N9 F Flat Head Washer W3 F Flat Head Washer W4 F Pan Head Washer x 4 F Pan Head Washer x 6 F Pan Head Washer P3 x 8 F Pan Head Washer x 8 F Flat Head Screw 52 6 x 4 F Flat Head Screw S3 B F Nut N3 F Symbol No Description Remarks UC1209J _ CAPACITOR 0 01uF 100 RESISTORS C501 510 Ceramic R501 R502 505 R506 507 Fixed Carbon Composition Fixed Carbon Composition Fixed Carbon Composition 15kt 10 6 8k22 10 15kQ 10 1 2W 1 2W 1 2W COIL Ferri Inductor 150uH MISCELLANEOUS Printed Circuit Board 1 S23 284 Shielding Board i A13 UC1209J Terminal for P C B x 10 N4086 m UC1111J CRYSTALS 12 395 MHz 15 895 MHz 22 895 MHz 29 895 MHz 36 895 MHz 37 395 MHz 37 995 MHz X801 HC18U 802 HC18U X803 HC18U x804 HC18U X805 HC18U X806 HC18U X807 HC18U Printed Circuit Board 523 281 Terminal for P C B x 3 N4085 Wafer 54141 Insulated Wire 0 5 Black 0 12m PARTS DESCRIPTION LIST
18. carrier position or the waveform un balance of the filter XF 1 Check for 1 28 ALIGNMENT PROCEDURE carrier leak by the following procedures 1 After the 8 3 3 adjustment rotate the RF GAIN VR gently counter clock wise and hold it at a point just before the S meter indication increases from 59 2 Next turn off the SSG output and check that the S meter gives an in dication of more than 7 3 Place the RF GAIN VR in fully clock wise position 25kHz multivibrator 1 Purpose To adjust the frequency of the 25kHz multivibrator 2 Measuring instrument Frequency counter 3 Adjusting procedures 1 Connect the counter to the TP terminal of the UC 1502J through a 10PF condenser titanium condenser 250WV for example 2 Insert the 100kHz crystal 3 Set the AGC CAL switch to 25kHz operate the multivibrator and adjust the Multi Adj VR701 so that a reading of approx 25kHz can be taken from the counter 4 Next adjust the TC701 so that a reading of exactly 25kHz 2Hz or less can be taken from the counter 5 Remove the 100kHz crystal Note Do not forget to remove the 100kHz crystal ANTI TRIP VR 1 Purpose To adjust the ANTI TRIP VR 2 Measuring instruments AF generator DC vacuum tube voltmeter AF vacuum tube voltmeter Oscilloscope 3 Adjusting procedures 1 Inject 1 000Hz AF signal into the middle point of the AF GAIN VR front panel and adjust the input so that 100mW output will
19. tube voltmeter and return the plate screen circuit to the original state 6 Set the switch to SEND again and check that the power is available as before 30 ALIGNMENT PROCEDURE 7 Return the switch to REC Note 1 Pay special heed to electrical shock 2 Turn off the final stage tube at a ratio of 3 1 against the transmission time BM and carrier position 1 Purpose To adjust the carrier position by balancing the balanced mixer 2 Measuring instruments AF generator AF vacuum tube voltmeter 759 dummy power meter RF vacuum tube voltmeter 3 Adjusting procedures 1 Connect the 75 dummy and RF vacuum tube voltmeter to the ANT terminal 2 Set the MODE switch to CW adjust the frequen cy to 14 2MHz and adjust each knob so that a maximum power can be obtained 3 Next set the MODE switch to LSB and adjust the balancing VR VR602 and trimmer TC601 of the UC 1501J so that the RF vacuum tube voltmeter will give a minimum indication 4 Set the RANGE of the RF vacuum tube volt meter to a position where a maximum voltage can be obtained supply 7mV 1 500Hz AF signal to the microphone terminal and adjust the output to SOW by adjusting the MIC GAIN VR VR2 5 Next change over the frequency of AF signal to 400Hz and 2 600Hz and make fine adjustment of the trimmer TCO05 located in the UC 1405J carrier unit so that the output difference between 400Hz and 2 500Hz will be reduced to less than 5W 6
20. 0 1 2W 5 BW 5 BW Fixed Carbon Composition 100kf1 Fixed Carbon Composition 470k 1 5kR Zak Insulated Carbon Film Insulated Carbon Film Casp Chassis Panel Reticular Board Lead Holder Patch Address Bracket for nean lamp Lug x2 Lug x2 Square shaped Concent Jack Square shapad Concent Jack Square shaped Cancent Plug Leg x4 Leg x Card Bushing Accessory of Corrugated Cardboard Case Accessory of Corrugated Cardboard Case Polyethylene Cover Corrugated Cardboard Case Instructian Manual Bag Ifor Accessory Instruction Bag Inspection Card Price Card Card Guida AC Filter Choke Dacorative Screw Thumb Screw Potantiometer Fuse Holder Fuse Power Transformer Filter Choke Speaker P V C Insulated Wire Black 0 5 P V C Insulated Wire Yellow 0 545 P V C Insulated Wire Blue 5 4 20k BI BA 0 7m T 6m 0 6m AO01 MASJ 403 MA5J A05MA5J A10 MA31 A4880 A5044 859 0001 00 EQ3 16 E94 101 04 202 07 212C E07 2128 EO9 212C G10 02 G10 08 G10 11 HO1 MASIA HO1 MASJB H02 117 HO4 MABJ HOS MA5J HOF 043 HOS 07 H12 01 H18 MA5J H31 46 H41 46 120 150 N11 41 N4006 R10 111 S15 03B 517 08 TO1 217A TO3 13 T07 0004 05 WO2 50 WO02 54 W02 56 Re P V C Insulated Wire Insulated Wire P V C Insulated Wire Insulated Wire P V C Insulated Wire Tinned Wire Tinned Wira AC Cord Cord Vinyl Tube White Black Rad Y
21. 0 10 1 2W POTENTIOMETERS VR601 B R10 56 V R602 3000 B R10 112 V R603 500k 2 ig R10 105 V R604 _ 8 810 53 COILS TRANSFORMER 601 604 Ferri Inductor L605 IFT Tor B M V601 V602 603 11 PARTS DESCRIPTION LIST Screw Nut 9 3 x 12 F IN3 F x2 x2 Symbol No Description Part No i Remarks DIODES s _ 0601604 1N60 i 0605 SM 150 01 2605 609 1N60 MISCELLANEOUS I Printed Circuit Board 523 287 TC601 602 Ceramic Trimmer 40 C4047 Shielding Case 9 MT x2 24 01 Shielding Case 7pin MT x2 E24 06 Molded Socket 7 pin MT E51 17A Malded Socket 8 pin MT x2 E51 19C Terminal for P C B x 29 Ne601 Neon Tube NE 2 P V C Insulated Wire 0 8 Blue 0 2m WO2 86 Vinyl Tube 0 05m W07 014 P V C Insulated Wire 0 56 Spiral 0 1m W62 529 UC1405J CAPACITORS 7 C001 Mica 18PF 10 C002 Mica 82PF 10 0 01uF 100 0 C004 005 Ceramic O O01uF 100 095 C006 Ceramic 0 01 F 80 20 CO0 Mica 10 coos Ceramic 0 01 uF 100 20 C009 011 Mica 18P F 10 RESISTORS ROO1 Fixed Ca
22. 0PF 0 5 C329 Ceramic 0 01uF 100 0 C330 Ceramic 200PF 10 C331 Ceramic 0 04 pF 100 0 C332 Polyester 0 33gF 5 C333 Ceramic 0 01 RF 100 0 C334 335 Ceramic 0 04uF 100 0 C337 Ceramic 0 01 uF 100 0 C338 Electrolytic Tubular 10uF 16WV TC301 8 Ceramic Trimmer RESISTORS R302 Fixed Carbon Composition 100k2 410 1 2W R303 Fixed Carbon Composition 10022 10 1 2W R304 Fixed Carbon Composition 1k42 10 1 2W R305 306 Fixed Carbon Composition 100k 10 1 2W R307 Fixed Carbon Composition 68k 10 1 2W R308 Fixed Carbon Composition 10 1 2W R309 Fixed Carbon Composition 3 9k 10 1 2W R310 Fixed Carbon Composition 1 10 1 2W R311 Fixed Carbon Composition 3 9K9 10 1 2W R312 Fixed Carbon Composition 100k 10 1 2W R313 Fixed Carbon Composition 5605 10 1 2W R314 Fixed Carbon Composition 22kQ 10 172W R315 Fixed Carbon Composition 100ko 10 1 2W R316 Fixed Carbon Composition 10kc 10 1 2W R317 Fixed Carbon Composition 82kQ 10 1 2W R319 Fixed Carbon Composition 1 10 1 2W R320 Fixed Carbon Composition 560kp 10 1 2W R321 Fixed Carbon Composition 22k 10 1 2W R322 Fixed Carbon Composition 220 10 1 2W R323 Fixed Carbon Composition 4 7kp t1096 1 2W R324 Fixed Carbon Composition 1002 10 1 2W R325 Fixed Carbon Composition 100kQ 10 1 2W R326 Fixed Carbon Compasition 10042 10 1 2W R327 Fixed Carbon Composition 1 10 1 2W R328 Fixed Carbon Composition 330k
23. 10 1 2W R329 Fixed Carbon Composition 100 10 1 2W R330 Fixed Carbon Composition 47kQ 10 1 2W R331 Fixed Carbon Composition 15kQ 10 1 2W R332 Fixed Carbon Composition 22kt T1096 1 2W R333 Fixed Carbon Composition 3 3Mn 10 1 2W R334 Fixed Carbon Composition 10k 10 1 2W R335 fixed Carbon Composition 100kn 10 1 2W R336 Fixed Carbon Composition 2 2MQ 10 1 2W R337 Fixed Carbon Composition 10ko 10 PARTS DESCRIPTION LIST symbol Na Description Part No Remarks POTENTIOMETERS B E VR301 2ko B R10 113 VR302 20kc B 810 104 COILS TRANSFORMER L301 LET 3 395MHz Lot 83 L302 Ferrt Inductor 1mH 1303 IFT 3 395MHz 101 84 L304 Trap 3 395MHz L13 146 L305 A 113 143 L306 B P F B L13 144 L307 BP F C L13 145 L308 IFT 3 395MHz L01 83 L309 IFT 3 395MHz j 101 85 i L310 Ferri Inductor 3 3uH L311 Ferri Inductor 1mH T301 AF Transformer L11 85 TUBES voy V301 6BA6 V302 6GH8A V303 6CB6 V304 6BA6 Q301 302 250373 Q303 2SA562Y D302 303 1S73A i D304 0 95 0305 SZ 200 07 D306 DA95 gg gt EY X TAL FILTERS XF1 2 Xtal Filter L4013 MISCELLANEOUS Printed Circuit Board 523 283
24. 101 Ferri Inductor 150uH L102 Parasitic Filter 18 31 TUBE V101 102 2001 TRANSISTOR DIODE Q101 290856 D101 1N60 pe MISCELLANEOUS Final Chassis AD3 UC1404 5 US Socket 2 E01 38A Lug E04 101B Lug x4 E04 202B x P V C Insulated Wire 0 5 Black 0 2m WO2 50 i P V C Insulated Wire 0 5 Yellow 0 4m WO02 54 P V C Insulated Wire 0 56 White 0 3m WO2 59 P V C Insulated Wire 0 86 Red 0 4m WO02 82 P V C Insulated Wire 0 85 Yellow 0 5m WO2 84 P V C Insulated Wire 0 806 Blue 0 2m WO02 86 Tinned Wire 1 24 0 4m WO3 12 P V C Insulated Wire 0 5 Green 0 6m W62 559 P V C Insulated Wire 0 59 Blue Q 1m W62 569 P V C Insulated Wire 0 5 Purple 0 1m W62 579 P V C Insulated Wire 0 56 Gray 0 3m W62 589 PARTS DESCRIPTION LIST UC1204J Symbol No Description Part No Remarks CAPACITORS C301 Ceramic 50P F H0 C302 305 Ceramic 0 01 uF 100 0 C306 Ceramic SPF 0 5PF C307 Ceramic 50PF 410 C308 Ceramic 0 01 uF 100 0 C309 Ceramic 30PF 10 C310 318 Ceramic 0 01 uF 100 0 C319 Ceramic 0 002uF 100 0 C320 322 Ceramic 0 01 uF 100 0 C323 Ceramic 0 04 uF 100 0 C324 326 Ceramic 0 01 uF 100 0 C327 Ceramic 0 04pF 100 0 C328 Ceramic 1
25. 2 k C 10 PARTS DESCRIPTION LIST Symbol No Description Remarks R404 Fixed Carbon Composition 100 10 R405 Fixed Carbon Compasition 10k 10 R406 Fixed Carbon Composition 470k2 10 R407 Fixed Carban Composition 22082 10 R408 Fixed Carbon Compasition Iki t10 R409 410 Fixed Carbon Composition 470k 10 R411 Fixed Carbon Composition tki 10 R412 Fixed Carbon Composition 3 3kS 10 R413 Fixed Carbon Composition 1k 10 R414 Fixed Carbon Composition 22k2 10 R415 Fixed Carbon Composition 150 t10 R416 Fixed Carbon Composition 5 Bk Q 10 R417 Fixed Carbon Composition ATK 10 R418 Fixed Carbon Composition 1k42 t1096 R419 Fixed Carbon Composition 5 6k 10 R420 421 Fixad Carbon Composition 100 10 R422 Fixed Carbon Composition 3 3k2 10 R423 Fixed Carbon Composition 470 10 R424 Fixed Carbon Composition 100k 10 POTENTIOMETERS B 10k amp B TUBE _6BMS TRANSISTOR DIODES THERMISTOR 2SC373 1N60 RDSAM 1N60 RD9AM 5T 31 MISCELLANEOUS Printed Circuit Board 823 285 Molded Socket 9 pin MT E51 198 Terminal for P C B x2 N4085 Terminal for P C B 14 N4086 Insulating Sleeve 0 05m WO6 154 14 CHASSIS TOP VIEW dala dV H L 102 WAISAYD 1109 dd8 ZHN t 9829 AVT3H ELEDSZ dX st 19 1105 31 1 V8H99 UA 1 02 ANWL 82
26. 60WV C619 Ceramic 0 01 F 10095 C620 Pol yester 0 47 5 C621 Electrolytic Tubular 10 16WV C622 Metalized Paper 0 05uF 20 C623 Polyester 0 1uF 5 624 628 Ceramic 1 01uF 100 0 C629 630 Ceramic 0 001 pF 100 0 CG31 Cerarmic 0 01 F 100 O C632 633 Ceramic 0 04 F 100 0 RESISTORS R601 Fixed Carbon Composition 470k 10 VAN R602 Fixed Carbon Composition 47k 10 1 2W R603 Fixed Carbon Composition 3 3k 2 10 1 2W R604 Fixed Carbon Composition 820k12 10 1 2W RGQ5 Fixed Carbon Composition 270K 10 1 2W R606 Fixed Carbon Composition 470k2 10 1 2W R607 Fixed Carbon Composition 47k t1076 T 2W R608 Fixed Carbon Composition 4 7kQ 410 172W R609 Fixed Carbon Composition 820 10 1 2W R610 Fixed Carbon Composition 6 8k2 t10 1 2W R611 612 Fixed Carbon Composition 2209 10 1 2W R613 Fixed Carbon Composition 100k amp 2 10 1 2W R614 Fixed Carbon Composition 2 2kt2 T1096 1 2W R615 Fixed Carbon Composition 4 10 1 2W R616 Fixed Carbon Composition 10k 10 1 2W R617 Fixed Carbon Composition 470 t10 1 2W R618 Fixed Carbon Composition 1M8 10 1 2W R619 Fixed Carbon Composition 1k42 10 1 2W R620 Fixed Carbon Campositian 150k amp 2 t10 1 2W R621 Fixed Carbon Composition 100kt 10 1 2W R622 Fixed Carbon Composition 220 10 1 2W R623 Fixed Carbon Composition 100k t10 3 2W R624 Fixed Carbon Composition 680 10 1 2W R625 626 Fixed Carbon Composition 470
27. CRIPTION LIST Screw 4 x9 Symbol No Description Part No Remarks COILS L951 Tune Coil 3 5MHz L13 137 L952 Tune Coil 7MHz L13 138 L953 Tune Coi 14MHz L 13 139 L954 Tune Coil 21MHz L13 140 L955 Tune Coil 28MHz L13 141 L956 Ferri Inductor 100uH De MISCELLANEOUS E Printed Circuit Board 523 279 Terminal for P C B x 7 N4086 Wafer 54140 P V C Insulated Wire 0 86 White 0 2m W02 89 j B UC1404J u CAPACITORS l M C101 Ceramic 0 01gF 100 0 C102 107 Ceramic 0 04nF 100 0 C108 109 Ceramic 0 01 100 0 C110 Metalized Paper D 2u F 20 C111 Polyester 0 22uF 10 i 112 113 Ceramic 0 01uF 110096 0 C114 115 Ceramic 0 04 F 4100 0 s 5 D B f _ RESISTORS n I R101 102 Fixed Carbon Campasition 109 10 1 2W R103 Fixed Carbon Composition 4 7k92 110 1 2W R104 Fixed Carbon Composition 8 2k2 10 1 2W R105 Fixed Carbon Composition 10052 10 1 2W R106 Fixed Carbon Composition 10k2 10 1 2W R107 Fixed Carbon Composition 22k52 10 1 2W R108 Fixed Carbon Composition 12kQ2 10 1 2W R109 Fixed Carbon Composition 10k 2 10 1 2W R110 Fixed Carbon Composition 22 110 1 2W R111 Fixed Carbon Composition 10kX 10 1 2W x COILS L
28. D CIRCUIT ASSEMBLIES PHANTOM VIEWS UC1004J R20 470k v20 6BMB w Ciona 40 RIO3 470K RI04 470K CI03 0 2 003 5 mem fe at fam e 701 104 SE O5c 005 108 SE 05h 35 009 SE OS0
29. amic 47PF 5 C2 3 Temperature Compensating Ceramic 150PF 5 i C4 Temperature Compensating Ceramic 70PF 5 Temperature Compensating Ceramic 470PF 5 Temperature Compensating Cerarmic 220PF 5 C7 8 1 Super Mica 1500PF C9 Hi Q Mica 3PF 0 5PF C10 Ceramic 0 02uF 180 20 C11 12 Ceramic 0 04 uF 80 20 C13 Ceramic 0 02 uF 80 20 C14 Ceramic 33PF 0 5 Ceramic 5PF 0 5PF PARTS DESCRIPTION LIST Symbol No Description Part No Remarks C16 Ceramic 10PF 0 5 C17 Ceramic 5PF 0 5PF C18 Ceramic 0 01gF 80 20 C19 Ceramic 0 04uF 80 20 C20 Temperature Compensating Ceramic CC94CG1H100J i RESISTORS R1 Fixed Carbon Composition 270k 5 1 4W R2 Fixed Carbon Composition 1002 5 1 4W R3 4 Fixed Carbon Composition 1 5 1 4W R5 Fixed Carbon Composition 33022 5 1 4W R6 Fixed Carbon Compositian 33k 5 1 4W R7 Fixed Carbon Composition 47k52 t5 1 4W R8 Fixed Carbon Composition 1 5 1 4W f R9 Fixed Carbon Composition 1009 i 5 E a _ COILS L2 4 Ferrite Inductor FL5H 102K L5 Ferrite Inductor FL5H 220K L6 7 Ferrite Inductor FL5H 102K L OSC Coil L11 78 TRANSISTORS DIODES a1 3SK22 V Q2 2SK19 Y 03 4 250460 B D1 50111 D2 3 1Ne60 MISCELLANEOUS Printed Circuit Board J25 0019 04
30. be available from the PHONES terminal 2 Adjust the ANTI TRIP VR VR9 so that the DC voltage at the D605 located in the UC 1501J will become 0 5V PIT 1 Purpose To adjust to transmitting frequency with the PIT knob at 0 position 2 Measuring instruments AF generator 29 3 2 Oscilloscope Adjusting procedures Adjust on the basis of Lissajous figure 1 Set the SWEEP RANGE of the oscilloscope to EXT HORIZONTAL and supply AF generator output 1 000Hz 1V to the H terminal 2 Adjust the RIT knob front panel VR8j to exactly O and push the RF GAIN VR switch front panel VR3 in 3 Supply 14 2MHz 40dB non modulated SSG input signal to the REC ANT terminal and obtain approx 1 000Hz beat note In this case adjust the knob of each stage so that the signal can be received with a maximum sensitivity 4 Supply the received output to the V terminal of the oscilloscope and adjust the VFO dial minute ly until the Lissajous figure stops In this case the figure should be a circle 5 Pull the RF GAIN VR knob toward you set the RIT to OFF and adjust the RIT O ADJ VR VR402 located on the UC 1304J so that the Lissajous figure of the oscilloscope will become a circle again Note The adjustment of Item 5 must be finished in less than a minute f it cannot be finished in less than a minute go over again f from the adjustment of Item 4 6 Remove the SSG AF generator and oscilloscope Transmitter Adjustm
31. d shape the waveform of the crystal filter Measuring instrument Slow sweep generator Detector Afterglow type oscilloscope Adjusting procedures 1 Connect the sweep output through 0 01uF condenser to the first grid pin 1 of the 6CB6 of the UC 1204 Output approx 0 1V 2 Connect the AGC terminal to GND 3 Connect the detector to the plate pin 5 of the IF final stage 6BA6 V306 4 Increase the sweep speed to approx 10m m sec cm plot the characteristic of the IF stage on the oscilloscope and adjust the L303 and L309 Since the L303 is a double tuning IFT adjust both the upper and lower cores Next reduce the sweep speed to approx 0 5 Ut sec cm get the waveform of the crystal filter plotted and adjust the L301 and 1 308 to adjust the waveform of the crystal filter as shown below Ripple shall be 655 than 2dB 6 Reduce the ripple to a minimum by adjusting the 3 4MHz trap of the L304 white 27 If the L304 has practically no effects on the waveform place the core in the innermost position 7 Disconnect the 0 01gF condenser and detector and disconnect the AGC from GND 8 While keeping watch on the S meter retune the L309 so that S will reach a maximum Zero adjustment of S meter 1 2 3 Purpose To adjust the base point of the S meter to the position 0 of the meter Measuring instrument None required Adjusting procedures 1 Connect t
32. ellow White 10 80 1 261 0 59 0 82 9 82 Q Bel 0 B2 1 1m 0 3m 1 1m 0 7m 0 6m 0 2m 0 3m 2m Black Layflat Width 6 5m m 0 2m Screw Serew Screw Screw Screw Decorative Screw x 6 F B 2 R204 R205 C201 202 C203 C204 0101 4 0105 8 0109 R101 8 R109 C101 8 C109 110 Neon Tube Flat Head Screw Flat Head Screw Mut Mut Flat Head Washer Washer Spring Washer 2 6 x 6F x2 P3 x 6 x 10 ID PA x 6 F x BF x4 KD PE x 20 F 183 x 6 F x4 153 x 10 F x4 IN3 F x4 IN6 F W4 F x 12 Special W x 13 1 F SW6 P Printed Circuit Board Tube Fixed Carbon Composition Fixed Carbon Compositian Fixed Carbon Composition Fixed Carbon Composition Fixed Carbon Composition Ceramic MP Ceramic INE 2H Mold Socket 3 MT Type Terminal for Printed Circuit Boardl Silicon Diode Silicon Diode Silicon Diode Printed Circuit Board Fixed Carbon Composition Fixed Carbon Composition Ceramic Electrolytic Tubular Terminal for Printed Circuit Board x2 ATOKi2 10 100k 10 ik 10 33k 10 22k 10 172W 172W 1 2w 172W 1 2w 0 100 0 5uF 400PF SEOE5c SEOSb SEQ5a 470k 1D 2 2k 10 O 120 t10 1 2W 172W 0 01gF 100 0 40uF 16QWV w02 59 WD2 8D W02 82 W02
33. ent Final bias 1 Purpose To set the final base current 2 Measuring instrument None required 3 Adjusting procedures 1 Remove the connector from the VFO remote terminal and set the DRIVE knob to the 9 o clock position 2 Set the MODE switch to LSB the BAND switch to 14MHz and the STAND BY switch to SEND 3 Set the METER switch to and adjust the BIAS VR VR6 so that Ip will become 60mA 4 At this point rotate the FINAL VC and check that Ip remains unchanged 5 Return the STAND BY switch to REC and connect the VFO connector BM stage IFT and carrier level and RF meter sensitivity 1 Purpose To adjust the 3 395MHz IFT of the BM stage and to f set the CW carrier level and RF meter sensitivity 2 Measuring instrument 75 dummy or power meter 100W or more ALIGNMENT PROCEDURE 3 Adjusting procedures 1 Connect the 750 dummy to the ANT terminal 2 Set the BAND to 14MHz the VFO to 14 175MHz the DRIVE knob to the 12 o clock position and the FINAL variable condenser to the 14MHz position division 3 Set the MODE switch to CW 4 Set the STAND BY switch to SEND make Ip dip adjustment quickly and adjust the DRIVE FINAL and LOAD knobs so that the power will reach a maximum 5 Next set the meter changeover switch to ALC and adjust the L605 of the UC 1501 from behind the chassis so that ALC will reach a maximum The core has two tuning positions Make the adjustment at the position shown below
34. f the coil pack to a point 1076 lower than when maximum oscillation is obtained 3 Check that oscillation is obtained in the 28 5MHz and 29 1MHz bands as well 4 Disconnect the 0 014 F condenser BPF filter 1 Purpose To obtain a required bandwidth by adjusting the bandpass filter BPF 2 Measuring instruments Sweep generator Detector Oscilloscope 3 Adjusting procedures 1 Connect the output of the sweep generator through 0 014 F condenser to the first grid pin 1 of the 6BC6 of the UC 1112 2 Set the band switch to 28MHz 3 Disconnect the VFO remote terminal 4 Connect the terminals P and TP2 located in the J UCA204 5 Connect the detector to the terminal TP1 located in the UC 1204 6 Adjust the L305 yellow L306 green and Hump shall be 8 595MHz less than 1dB morethan 600kHz 26 ALIGNMENT PROCEDURE L307 blue so that a characteristic curve such as shown below can be obtained Note One dB corresponds to approx 1 10 of the total amplitude The center frequency is 8 595MHz as shown 7 After obtaining the required characteristic lock the L305 L306 and L307 by the use of wax material 8 Remove the 0 01 condenser and detector disconnect jumper wire from the P and TP2 connect the P and TP1 with a lead and solder the joints 9 Put the connector in the VFO remote terminal IFT and crystal filter 1 Purpose To adjust the FT to 3 395MHz an
35. ges receiving condition Use a DC vacuum tube voltmeter to measure the DC voltages Use a moving iron type meter higher than Class 2 5 to measure the AC voltages 1 DC 1 Power connector terminal No 4 150V 2 Power connector terminal No 7 210V4 10V 3 Power connector terminal No 10 300V 10V 2 DC 1 Power connector terminal No 1 90V 10V 2 RB relay RL1 pin 1 3 TBrelay RL1 pin 5 Approx 40V 4 Final bias 2001 1st grid pin 5 Approx 70V Note When connecting the measuring terminal to the first grid be sure not to short it to another circuit 3 AC heater voltage 1 Power connector terminal 5 12 5V t 1V 2 Power connector terminal No 8 12 5V 1V 3 HL terminal located on UC 1204 6 3 0 5 Others 1 In principle the STAND BY switch should be placed at REC during the receiver adjustment and prelimi nary stages 2 When Ip more than 150mA is flowing the final stage should always be kept completely tuned Receiver Adjustment Heterodyne crystal oscillator 1 Purpose To set heterodyne crystal in oscillation 2 Measuring instrument RF vacuum tube voltmeter 3 Adjusting procedures 1 Connect the RF vacuum tube voltmeter to the GPP terminal of the UC 1112J with 0 01uF titanium variable condenser 500WV in be tween 2 Set the band switch to 3 5MHz L855 7 and adjust L854 14 MHz the cores L853 located in the 21 MHz L852 28 MHz L851 UC 1110 o
36. he AGC terminal of the UC 1204J to GND 2 Adjust the pointer of the meter to the zero point of Ip not the zero point of S by the ZERO ADJ VR located in the rear of the chassis Note The hardly toward the negative direction because of a diode So pointer swings care must be taken to adjust the pointer precisely to 0 3 Disconnect the AGC terminal from GND 4 Change over the MODE switch to each position and check to ensure that the pointer of the meter remains stationary in each position 5 Rotate the RF GAIN VR VR3 on the front panel fully counter clockwise and chack that the pointer of the S meter swings full scale There after rotate the VR back to fully closkwise position Carrier oscillator 1 2 3 Purpose To adjust the carrier oscillator and oscillation fre quency Measuring instruments RF vacuum tube voltmeter the same as in 1 Frequency counter Adjusting procedures 1 Remove the connector from the VFO remote terminal 2 Connect the RF vacuum tube voltmeter to the terminal CO of the UC 1405J through 10 condenser titanium condenser 250WV for ex ample and adjust the 001 so that the USB LSB and CW crystal units will provide a maxi mum oscillation strength as read on the vacuum tube voltmeter 3 Connect the counter to the terminal CO through a lOpF condenser and adjust the trimmers 50 that the specified frequency in each mode can be obtained ALIGNMENT
37. minimum position and connect the probe to the ANT terminal Set the SWEEP RANGE of the synchroscope to approx 2cm sec 3 Set the BAND switch and VFO to 14 13MHz and adjust each knob so that a maximum power can be obtained 4 Adjust che ATT of the synchroscope to obtain a proper amplitude and adjust the VFO so that the number of envelope ripples will be 4 to 5 5 Next reduce the ripples to a minimum by adjusting the trimmer TC301 of the 14 1 3MHz trap inserted in the cathode of the V302 6GH8A af the Uc 1204 6 Set the STAND BY switch to REC Note Limit the time ratio of transmission to recep tion to 3 1 Transmission 3 1 Reception Neutralization adjustment 1 Purpose To stabilize operation by the RF neutralization of the 52001 2 Measuring instruments 752 dummy power meter vacuum tube voltmeter 3 Adjusting procedures 1 Connect the 750 dummy to the ANT terminal 2 Obtain maximum output at 21 225MHz CW 3 Set the STAND BY switch to REC and cut off the plate screen voltage of the S2001 Note When the circuit is cut off directly care must be taken to prevent electrical shock 4 Connect the RF vacuum tube voltmeter to the ANT terminal set the STAND BY switch to SEND and adjust the neutralizing variable con denser located in the final shield box so that the RF vacuum tube voltmeter will give a minimum deflection 5 Return the STAND BY switch to remove the RF vacuum
38. rbon Composition 47k 10 TAW R002 Fixed Carbon Composition 10k 10 1 4W R003 Fixed Carbon Composition t10 1 4W R004 005 Fixed Carbon Composition 1 10 1 4W R006 Fixed Carbon Composition A7kQ 110 174W R007 Fixed Carbon Composition 10Kk t10 1 4W R008 Fixed Carbon Composition 47 1 t105 1 4W R009 Metallic Oxide Film IDk t10 2W R010 Fixed Carbon Composition 10 R011 Fixed Carbon Composition 33kr2 10 1 2AN CRYSTALS _ BEN LLL 001 3333 5kHz 713 95 3394 3kHz 713 96 X003 3398 5kHz TI3 97 TRANSISTORS DIOD ES Q001 002 2SC373 D001 002 1N60 2003 52 200 18 TRANSFORMER IFT 101 86 _ o MISCELLANEOUS mE Printed Circuit Board 523 286 Crystal Holder x2 4896 716001 004 Ceramic Trimmer 40P F C4047 Crystal Socket x 2 E4058 Terminal for P C B x 16 N4086 12 PARTS DESCRIPTION LIST 13 UC1502J 7 Symbol No Description Part No Remarks CAPACITORS f C701 Ceramic 805 20 C702 Mica 100PF 10 C703 Mica 220PF 10 C704 Mica 47PF 10 C705 Mica 390PF 10 C706 Mica 330PF 10 C707 Ceramic 200PF 10
39. re on the innermost side and the other cores on the outermost side Note 2 Be careful not to damage the cores If there is any core that fails to rotate smoothly inject white powder acro wax and make sure that it rotates smoothly before ad justing it 8 6MHz trap 1 Purpose To improve IF rejection by adjusting 8 6MHz trap 2 Measuring instruments SSG AF vacuum tube voltmeter Oscilloscope 3 Adjusting procedures 1 Connect the 8 2 load AF vacuum tube voltmeter and oscillascope to the PHONES terminal 2 Adjust the SSG frequency to 8 595MHz and supply 100dB input signal to the REC ANT terminal 3 Set the BAND switch to 14MHz and adjust che DRIVE knob to the 12 oclock position 4 Adjust the VFO dial to 300 or thereabouts and obtain beat output Adjust the 8 6MHz trap L6 so that the output will be reduced to a minimum S meter sensitivity 1 2 3 Purpose Adjust the pointer of the S meter to S9 with specified input Measuring instrument SSG Adjusting procedures 1 Check that the RF GAIN VR VR3 is set to fully clockwise position 2 Set the BAND to 14MHz supply 14 2MHz 40dB SSG signal from the REC ANT and tune the DRIVE and VFO signal 3 Adjust the SENSE VR VR 301 of the S meter located on the UC 1204 so that the S meter will point to 59 Note After the above adjustment check for car Signal Non modulation rier leak Carrier leak sometimes occurs depending on the
40. sition IME t10 1 2W R12 Fixed Carbon Composition 2 2k2 310 1 2W R13 Metallic Oxide Film Composition 15k t5 3w R14 Fixed Carbon Composition 100k2 10 1 2W POTENTIOMETERS VH1 500 VOX GAIN RO1 0422 VR2 1M B MIC GAIN RO1 0423 V R3 10k 2 C RF GAIN with S W RO1 1123 VH4 5 Al GAIN with S W RO1 1124 V RB 3ME B TIME CONST RO1 0424 V R6 B BIAS RO1 0420 Bk B S ZERO ADJ RO1 0420 VR8 RIT RO1 0425 VRQ 500K ANTI RO1 0422 VR10 B RF METER ADJ RO1 0421 COILS TRANSFORMER L1 Output Coil A L13 136 L2 Output Coil B L13 147 L3 Choke Coil 120 1026 14 5 Parasitic Filter L18 26 PARTS DESCRIPTION LIST L6 IF Trap L13 135 L7 8 Ferrite Inductor 1 mH T1 Output Transformer 5k92 812 T02 63 SWITCHES Sa ANT Slide S W S10 22D Sb LOAD BAND Rotary S W 03 676 Sc AGC CAL Rotary S W 507 149 Sf MODE Rotary S W 507 150 SM1 METER Rotary 5 W S04 140 VOX Siemens S W 5 4139 VARIABLE CAPACITORS VC1 PLATE V C 300PF 261 161 VC2 LOAD V C 400 201 118 TC1 NEUTRALIZING V C 001 07 DIODES 1N60 MISCELLANEOUS Case AO1 LB6 Chassis A03 L B6 l Panel A05 LB6J Sub Panel A06 LB6J Sole Plate AO8 LB6J Shield Board x2 A13 LB6J P L Metal Fittings A44 38
41. truments AF generator AF vacuum tube voltmeter 3 Adjusting procedures 1 Disconnect the connector from the VFO remote terminal 2 Set the MODE switch to USB 3 Supply 7mV 1 500Hz AF signal to the MIC terminal located in the UC 1 501 4 Set the STAND BY switch to SEND and adjust the MIC GAIN VR VR2 located in the rear of the chassis so that AF voltage 400mV will be available at the BM terminal of the UC 1 501 5 Return the STAND BY switch to REC and put the connector in the VFO remote terminal VOX operation 1 Purpose To set the gain and time constant of the VOX circuit 2 Measuring instruments AF generator AF vacuum tube voltmeter Watch stop watch or wrist watch with second hand 3 Adjusting procedures 1 Disconnect the connector from the VFO remote terminal 2 Set the STAND BY switch to VOX and adjust the VOX SENSE VR VR603 of the UC 1501 to a point just before the neon tube makes discharge In this case do not supply input signal to the MIC terminal 3 Next supply 7mV 1 500Hz AF signal to the MIC terminal of the UC 1501J and increase the VOX gain by the VOX GAIN VR VR1 until the relay starts operation ALIGNMENT PROCEDURE 4 If the relay starts operation cut off the AF input signal and adjust the TIME CONST VR VR5 so that the relay will be reset in approx 1 second after that instant 5 Return the STAND BY switch to REC and put the VFO connector in the original position 8
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