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Hammarlund SP-600-J, Instructions Manual

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Summary of Contents for SP-600-J

Page 1: ... L GENERAL PURPOSE COMMUNICATIONS RECEIVER MODEL SP 600 JX AND MODEL SP 600 J INSTRUCTIONS ISSUE 3 APRIL 1952 Manufactured by THE HAMMARLUND MFG CO INC 460 West 34th St New York 1 New York U S A ...

Page 2: ... sse A J ___ t ro S v17 5 r Jvvv 1 INb7 no z au A iI II 4JL1 3lfl A C SP tooo I d 1 VIti 6 J f I bfrb V II ...

Page 3: ...on Part No Reads R F Choke 3 5 microhenrys Should read R F Choke 12 microbenrys Reads 15615 Gl Should read 15615 2 PAGE 33 34 Oircuit Diagram Symbol L46 in T6 Value reads 3 5 ph Should re ad 12 ph PAGE 35 36 Connection Diagram Symbols C140 and cl64 Reads 0140 Should read 0164 Reads C164 Should read c140 ...

Page 4: ...en this Instruction Book is used in connection with the Model SP 600 J Receiver all indications in the text photographs and diagrams with reference to the Frequency Con trol Unit should be ignored as they do not apply With this exception the two models are identical ISSUE 3 Manufactured by THE HAMMARLUND MFG CO INC 460 West 34th St New York 1 New York U S A Printed in U S A ...

Page 5: ...F G FRONT VIEW OF RECEIVER Sp 600 JX IN CABIN ET ...

Page 6: ... 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Front View of Receiver SP 600 X in cabinet 2 Block Diagram 7 Location of Tubes and Adjustments 18 Audio and Overall Fidelity Curves 18 Selectivity Curves 19 Rear View of Receiver 25 Top View of Receiver 26 Top View of Receiver Capacitor Shield and Spare Fuse Cover Removed 27 Bottom View of Receiver ...

Page 7: ...sion and BFO Oscillators 3 6C4 Crystal Controlled HF Oscillator 1 6AC7 Mixers 2 6BE6 Detector C Bias Rectifier and Noise Limiter Meter Rectifier 3 6AL5 AF Amplifier and IF Output 1 12AU7 Power Output 1 6V6GT Rectifier 1 5R4GY Voltage Regulator 1 OA2 Mechanical Specifications Rack Mode1 Dimensions 19 inches wide 10J z inches high and 16J z inches deep from rack mounting surface Weight 66 lbs Table ...

Page 8: ...g a crystal controlled oscillator for signal frequencies above 7 4 me Four stages of IF amplifica tion detector and AVC rectifier noise limiter and meter rectifier beat frequency oscillator and buffer 5 amplifier IF output AF amplifier and output power stage are provided The frequency control unit provides for fixed channel crystal controlled operation on any six fre quencies within the range from...

Page 9: ...tivity for the high attenuation of closely adjacent interfering signals Double conversion is employed for signal frequen cies above 7 4 mc The signal is heterodyned to 3 955 mc by the First Mixer V 5 and Heterodyne Oscillator V 4 or V 3 for high image rejection The 3 955 mc signal is then heterodyned to 455 kc by the Second Mixer V 6 and the 3 5 mc Fixed Crystal Controlled Oscillator V 8 for selec...

Page 10: ... FIG 2 III INSTALLATION Tubes and Packing After unpacking the receiver see that all tubes are firmly in their sockets and that any packing material is removed from the receiver Power Supply Make sure that the primary tap lead at the bottom of the power transformer is con nected to the tap which most nearly agrees with the 50 to 60 cycle power source voltage Antenna The input impedance at the anten...

Page 11: ...ely 200 millivolts to a 70 ohm resistive load with a normal sensitivity input of 2 microvolts signal Convenience Outlet The power outlet receptacle at the rear of the chassis may be used for operating an accessory such as an electric clock or lamp IV OPERATION General Before attempting operation of the SP 600 receiver the operator should thoroughly familiarize himself with the functions and uses o...

Page 12: ...acy in the logging and resetting of stations Tuning Lock The TUNING LOCK located to the right of the TUNING control provides a positive 9 lock for the tuning mechanism without affecting the frequency setting when it is desired to prevent acci dental shifting of the tuning Band Change Each revolution of the BAND CHANGE control turns the turret containing the RF and HF Oscillator coil trimmer and sw...

Page 13: ...t level by the AUDIO GAIN control when on AVC and by the RF GAIN control when on MAN The RF Meter does not operate on the MAN position The SELECTIVITY switch may be used in the XTAL positions as found desirable to reduce noise or to provide rejection of an interfering signal The XTAL PHASING control is adjusted for minimum interfer ence from an adjacent interfering signal If interfer ence of this ...

Page 14: ...faulty opera tion localized at one transformer exists on all positions 11 of the selectivity switch make the continuity check on the plate coils on the main grid coil and on the wiring associated with these coils Transformers 1 4 and T5 and Crystal Filter T3 have additional inner shield assemblies that are held in place by the tension nuts on the adjusting screws To remove these shields hold the a...

Page 15: ... band in the tuning unit turret For example Coil assemblies T13 19 25 and 31 should be examined if band 7 4 to 14 8 mc only does not perform normally To remove these coil assemblies stand the receiver on its right or left side and remove the bottom cover plate from the tuning unit Turn the band change control to place the band in question in its normal operating position and then turn the band cha...

Page 16: ... this assembly When the unit is ready to be replaced follow the reverse of the above procedure 13 Main Tuning Capacitor If it is necessary to re place the main tuning capacitor the proc edure is as follows Remove the top cover and unsolder the leads of the capacitor as described under RF tube Platform Bring the c pacitor to full mesh by means of the tuning control Carefully remove the spring and d...

Page 17: ...Freqs below 7Amc V 6 6 3ac 225 90 1 RF Gain max Freqs above 7Amc V 6 6 3ac 260 105 1 RF Gain min Freqs above 7Amc V 7 0 6 3ac 215 125 304 RF Gain max Freqs below 7Amc V 7 0 6 3ac 240 140 3 8 RF Gain min Freqs below 7Amc V 7 0 6 3ac 215 0 0 RF Gain max Freqs above 7Amc V 7 0 6 3ac 240 0 0 RF Gain min Freqs above 7Amc V 8 0 6 3ac 0 Frequencies below 7Amc V 8 30 6 3ac 30 Frequencies above 7Amc V 9 1 ...

Page 18: ...os 1 6 V 4 48K Inf 0 Inf 47K 0 VFO Operation V 5 47K 150 0 48K 53K 26K Freq Band 1 35 3A5mc V 6 22K 0 0 46K Inf lOOK Freq Bands below 7Arnc V 6 22K 0 0 46K 70K lOOK Freq Bands above 7Arnc V 7 380 0 0 46K InL 390 Freq Bands above 7Arnc V 7 380 0 0 46K 80K 390 Freq Bands below 7Arnc V 8 0 InL 22K 0 Freq Bands below 7Arnc V 8 0 150K 22K 0 Freq Bands above 7Arnc V 9 l 3M 0 0 52K 80K 0 V lO l 3M 0 0 52...

Page 19: ... speaker voice coil The receiver controls should now be set as follows Control Selectivity Send Receive CW Mod Phasing AYC Man Audio Gain RF Gain Band Switch Dial Position See text Receive Mod Arrow Man Set for approx 20 volts See text 1 35 3 45 mc 2 5 mc est position 2 kc and adjust the signal generator fre quency for the maximum output This establishes the correct signal frequency by the 455 kc ...

Page 20: ...c C adjustment and then mak ing the C adjustments for the Ant 1st RF and 2nd RF This procedure should be carefully repeated un til no increase in output can be realized The AVC Man switch should then be set to Man and the signal generator should be set for approximately 3 micro volts The Land C adjustments should now be checked for maximum output adjusting the RF Gain control as found necessary to...

Page 21: ...W OF CHASSIS SHOWING ALIGNMENT ADJUSTMENTS FIG 3 AUDIO AND OVERALL FIDELITY CURVES 5 CURVE Audio frequency amplifier Input to Pin 2 VI6B CURVE Overall fidelity at 2 5 me Modulation 30 percent Selectivity switch in 13 kc position RF Go in set for 20 volts output at 400 cycles Output measured across a 600 ohm resistive load Audio gain control at maximum for both curves I li 5 cD o z z o i 10 I I 15 ...

Page 22: ...ESONANCE r1G 5 19 10 NUMBERS DENOTE SELECTIVITY SWITCH POSITIONS 1 2 AND 3 NON CRYSTAL 4 5AND 6 CRYSTAL 2 3 45 6 6 54 3 2 15 1 1 I I 1 II II 1 J J II II J I I J J 7 l I 1 I J II I 1 T 7 I I I J I I I II I j r J J i II J I i 7 rt V 1I 1 10 100 1000 1 w l Z t Z o 0 f W ...

Page 23: ... the lower rear ends of the large side mounting brackets and replace these two nut plate brackets with the two sfightly shorter ones from the kit using the same screws Remove the nut and lockwasher from the screw nearest the bot tom edge of the chassis holding capacitor C 151 see bottom of chassis photograph Install the short angle bracket from the kit using the same screw from which the nut and w...

Page 24: ... E17 E18 F1 F2 II to 4 C1l5 ll6 C1l7 C1l8 C1l9 C120 C121 122 C123 C124 C125 C126 C127 C128 C129A B C130 C131 C132 C133 C134 C135 C136 C137 C138 139 C140 C141 142 C143 C144 C145 C146 C147 C148 C149 C150 C151 C152A B C153 to 155 C156 157 C158 to 160 C161A B C J1 J2 J3 23003 41C 230ll 40C 23003 45C 230ll 62C 23061 168F 23011 58C 23061 155J Capacitor variable 8 sections 34001 G1 Capacitor 01 mfd 23012...

Page 25: ...16 1 15987 1 16071 1 19317 76BF 19309 278BF 19309 282BF 19309 49BF 19309 170BF 19309 193BF 19309 189BF 19309 9BF 19309 89BF 19309 31BF 19309 259BF 19309 69BF 19309 57BF 19309 53BF Symbol Designations R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 R49 R50 R51 R52 R53 R54 R55 R56 R57 R58 R59 R60 61 R62 R63 R64 R65 R66 R67 68 R69 R70 R72 R73 R74 R75 76 R77 R78 R79 R80 R81 R82 R83 R84 R85 R86...

Page 26: ...46 R76 77 31106 G1 Transformer Audio Output 31086 2 Transformer power 31029 2 3 5 mc Osc assembly includes C103 104 L35 R38 40 Y7 RF Input assembly includes C2 3 L1 and switch contacts for SlA 31387 G1 23 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22 T23 T24 T25 T26 RF Input assembly includes C4 5 L2 and switch contacts for SlA 31390 G1 RF Input assembly includes C6 7 8 L3 and switch contacts fo...

Page 27: ... Dial Crystal Phasing Knob and Dial RF Gain Knob and Dial Selectivity Knob and Skirt large Knob frequency control Knob t uning lock Knurled thumb screw Shaft Coupling rigid Shaft Coupling flexible soft Shaft Coupling flexible stiff 4 Snap Button Plug Spare fuse cover Spring anti blacklash Spring Band Change Detent Spring Conversion Switch Spring Crystal Retaining Spring IF adjuster grounding Sprin...

Page 28: ...FIG 6 REAR VIEW OF RECEIVER 25 ...

Page 29: ...FIG 9 BOTTOM VIEW OF RECEIVER TUNIN6 UNIT SHIELD REMOVED 28 ...

Page 30: ...58 CI44 FIG 10 BOTTOM VIEW OF RECEIVER SP 600 JX 29 u _F2 CI58 CI59 ...

Page 31: ...C 71 C80 C74 R22 C79 C75 X4 R29 L24 R30 R21 R26 RI5 CI54 SIB RII SIA l CI9 r R2 L48 JI C23 FIG II BOTTOM VIEW OF RF PLATFORM 30 ...

Page 32: ...FIG 12 BOTTOM VIEW OF FREQUENCY CONTROL UNIT 31 ...

Page 33: ...Notes 32 ...

Page 34: ...4 VI5 2ND DET a Ave LIMITER a 6AL5 OUTPUT 1ST IF 2ND IF DRIVER METER VIO VII 6AL5 V9 51 CI38 6BA6 6BA6 6BA6 ll 51 CI39 T8 117 j iL I Ie otl Ii 21gj l II 1 I R37 I r 1 gj 2200 1_ YJ Cl 2ND MIXER V6 6BE6 25 60 AC AC OUTLET FI PI R36 22K i T q I I I I I I I I I DOUBLE a j C NVERSION 7 4 54 M CI02 S4 022M SINGLE CONVERSION 54 7 4 M S9 d ILl ILl II CIl I I I I I I r _ J I 1ST MIXER R24 1 V 5 180 BE I 6...

Page 35: ...TE SWITCH IS MOUNTED ON TUNING UNIT OPERATED BY BANDSWITCH 2 3 CLOSED BELOW 7 4 MC 1 2 CLOSED ABOVE 7 4 MC BLACK 13 OSCILLATOR TERMINAL BOARD LOCATED OVER va a V6 SOCKETS ON BOTTOM OF CHASSIS H JJhP fliJ T9 REAR 000 o 0 0 FIGURE NUMBER 14 CONNECTION DIAGRAM RECEIVER CHASSIS 35 36 THESE NUMBERS ARE FOR REFERENCE ONLY THEY DO NOT APPEAR ON TERMINAL STRIP ...

Page 36: ...i1 d II N NOTE SWITCH IS MOUNTED ON TUNING UNIT OPERATED BY BANDSWITCH 2 3 CLOSED BELOW 7 4 MC 1 2 CLOSED ABOVE 7 4 MC BLACK AUDIO GAIN 13 OSCILLATOR TERMINAL BOARD LOCATED OVER va a V6 SOCKETS ON BOTTOM OF CHASSIS H JJhP fliJ T9 REAR 000 o 0 0 FIGURE NUMBER 14 CONNECTION DIAGRAM RECEIVER CHASSIS THESE NUMBERS ARE FOR REFERENCE ONLY THEY DO NOT APPEAR ON TERMINAL STRIP 35 36 ...

Page 37: ... T2 TERMINAL I as GREEN WHITE TO CHASSIS EI4 TERMINALS EI4 TERMINAL 7 YELLOW BLACK FIGURE 15 CONNECTION DIAGRAM TUNING UNIT THESE NUMBERS ARE FOR REFERENCE ONLY THEY DO NOT APPEAR ON TERMINAL STRIP NOTE NUMBERS ON SWITCH BASES ARE it 3 SAME AS THOSE ON SCHEMATIC DIA I GRAM FOR SWITCH BASES AND COIL AND SWITCH ASSEMBLIES ...

Page 38: ...j II SAM E AS THO SE ON SCH EMATIC DIA GRAM FOR SWITCH BASES AND COIL AND SWITCH ASSEM BL I ES FIGURE 15 CONNECTION DIAGRAM TUNING UNIT NOTE RED WHITE AND BLUE RED ARE REVERSED IN LATER MODELS THESE NUMBERS ARE FOR REFERENCE ONLY THEY DO NOT APPEAR ON TERMINAL STRIP GREEN WHITE TO CHASSIS EI4 TERMINAL 8 EI4 TERMINAL 7 TI BLUE BLACK TO CHASSIS T2 TERMINAL 18S NOTE THIS SWITCH CLOSED ON POSITIONS 1 ...

Page 39: ...Notes 38 ...

Page 40: ...T34 SEE TUNING UNIT DIAGRAM _C_60_ TO SWITCH S3 RED EI3 TO CI61 t 10 THESE NUMBERS ARE FOR REFERENCE ONLY THEY DO NOT APPEAR ON TERMINAL STRIP FIGURE 16 CON N ECTION DIAGRAM FREQUENCY CONTROL UNIT 39 ...

Page 41: ...AGRAM _C_60_ 12 pf TO SWITCH S3 RED EI3 TO CI61 t 10 NOTE THESE WIRE C ARE REVERSED IN TH LATER MODELS THESE NUMBERS ARE FOR REFERENCE ONLY THEY DO NOT APPEAR ON TERMINAL STRIP FIGURE 16 CON N ECTION DIAGRAM FREQUENCY CONTROL UNIT 39 ...

Page 42: ......

Page 43: ...Notes April IS 1952 5M Litho in U S A by D L Terwilliger Co ...

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