Lyrec TR532 Series Manual Download Page 20

Page: 20 / 195

Drawing No. 5.02, Tape path

1977-05-01 TR532

Summary of Contents for TR532 Series

Page 1: ...npacking 4 2 Interconnection 4 3 Connector Table 4 4 Connector Drawings 4 5 Transportation 5 OPERATION 5 1 Switching On 5 2 Loading 5 3 Play Mode 5 4 Record Mode 5 5 Fast Wind Mode 5 6 Edit Mode 5 7 S...

Page 2: ...ical Brakes 7 9 Tape End Microswitch 7 10 Tension Arm Potentiometer 7 11 Edit Mechanism Microswitch 7 12 Pinch Roller Solenoid Microswitch 7 13 Tension Arm Guide Roller and Pinch Roller Air Cylinder 7...

Page 3: ...8 7 Dynamic Brake System 8 8 Capstan and Guide Roller Solenoids 8 9 Remote Control Unit Muting System 8 10 Demagnetization 8 11 Ventilation 8 12 Lubrication 8 13 Removing Head Block 8 14 Tension Arm P...

Page 4: ...e Standard 180 sec for 730 m tape 2400 ft Start time 15 ips approx 0 6 sec 30 ips approx 1 2 sec Timer accuracy 0 1 Signal inputs Balanced and floating Input impedance 10 kOhms 6 dBm to 24 dBm input l...

Page 5: ...B I kHz Erase efficiency 75 dB minimum at 1 kHz Power requirements Standard 210 240 V 10 50 Hz 600 VA max Optional 110 V 120 V 240 V 50 60 Hz Working conditions Ambient temperature range 10 40 C Humid...

Page 6: ...2 2 DIMENSIONS Remote control type RCU Remote control type TPC 1977 05 01 TR532 1977 05 02 2 2...

Page 7: ...Remote Control type ATC 1984 05 17 TR532 2 2...

Page 8: ...g of Q tips 2 Double air filter 5 Telephone lamp 36 V 50 mA 1 Minilamp 28 V 40 mA 4 Fuse 2 A slow 2 Fuse 4 A slow 2 Mains cable 3 m 1 Test cable 1 5 m coax with jack and banana plug 1 Manual 1 Dust co...

Page 9: ...961910 2 Fuse 1A slow 999999 1 Mains cable 3 m 501027 1 Test cable 1 5 coax with jack and banana plug 969044 1 Manual 969046 1 Manual for ATC 501028 1 Extender print for AM77 953701 1 25 pole connecto...

Page 10: ...k Minimag or similar Tape tension on either side of the capstan is maintained within working limits by servo controlling the wind motors by way of their respective tape tension sensing arm assemblies...

Page 11: ...tion boards Furthermore there is a possibility of letting the tape speed pushbuttons control the amplifiers only In this way a 15 ips CCIR 15 ips NAB recorder is obtained For purposes where it is nece...

Page 12: ...ons is so designed as to simplify the operators requirements in so far as routing systems and working requirements are concerned This allows the use of simpler desks or less tiring work routines Furth...

Page 13: ...he seating of the individual RECORD PLAYBACK AMPLIFIERS modules Refer to the CONNECTOR TABLE below and check that all factory wired plugs and connectors are properly in place Proceed likewise with the...

Page 14: ...6 VU METERS D To VU meter panel FACTORY 7 REMOTE CONTROL A D To remote control unit FACTORY 8 REMOTE CONTROL B C To remote control unit FACTORY 9 ERASE HEAD E To erase head FACTORY 10 RECORD HEAD E T...

Page 15: ...hell DBI15339 2 E Siemens A42334 A44 A4 with tray A42334 A228 C95 Siemens A42334 A44 A3 with shell A42334 A228 A845 F Siemens A42334 A44 A3 with tray A42334 A228 C95 Siemens A42334 A44 A4 with shell A...

Page 16: ...Rear view connector numbers shown without cables 1977 05 01 TR532...

Page 17: ...RECORD INDICATION 1 8 9 16 17 24 When a channel is in RECORD output will be 24 V other wise a high impedance to ground Ext load min 3 Kohms No 4 SYNC OUT 1 8 9 16 17 24 Ext load min 10 kOhms No 13 Ex...

Page 18: ...r this purpose the factory has developed a special transport frame that fits the front of the recorder see section 6 7 Move the recorder close to the back of the vehicle and place the transport frame...

Page 19: ...it See section 7 1 for this adjustment 5 3 PLAY MODE Press START button on the TAPE DECK or on the REMOTE CONTROL UNIT Both buttons should illuminate the PINCH ROLLER and GUIDE ROLLER should pull in p...

Page 20: ...Drawing No 5 02 Tape path 1977 05 01 TR532...

Page 21: ...OP MODE Pressing the STOP button immediately interrupts the PLAY or RECORD modes In both cases the tape motion is immediately halted and the tape is lifted from the heads Coming from the RECORD MODE t...

Page 22: ...tton the tracks will stop recording but tape motion will not be interrupted and the READY pre selection will be maintained 5 11 SAFE When pressed the individual channel SAFE buttons illuminate a stead...

Page 23: ...all the other channels to switch to LINE This can be changed on special order so that the other channels mute instead of switching to LINE Any amount of channels may be soloed simultaneously In order...

Page 24: ...PEED Do not release the selector button but hold it down In this position the TAPE TIMER display will change over to 4 digits which express the actual tape speed according to the following formula 100...

Page 25: ...0902 13 66 8 93 3 4 tone 0920 13 89 7 41 0937 14 11 5 93 1 2 tone 0940 14 15 5 66 0953 14 33 4 49 0960 14 42 3 85 0969 14 55 3 01 1 4 tone 0980 14 71 1 96 0985 14 78 1 48 1000 15 00 0 1015 15 23 1 52...

Page 26: ...ne 1450 27 27 9 09 1451 27 32 8 93 tone 1460 27 78 7 41 1468 28 22 5 93 tone 1470 28 30 5 66 1476 28 65 4 49 1480 28 85 3 85 1484 29 10 3 01 tone 1490 29 41 1 96 1492 29 56 1 48 1500 30 00 0 1507 30 4...

Page 27: ...The signal from this extra sync output is available independently for each channel at a separate plug This output is unbalanced and should not be terminated with less than 10 kOhms The SYNC OUTPUT doe...

Page 28: ...When mains is switched on and off the taperecorder always comes back to the same speed Change between the two nominal speeds can only be done in STOP MODE TRANSIENT PROTECTION To avoid strong switch o...

Page 29: ...previous circuit allows the machine to be controlled from an external source or synchronized with other machines or equipment SYNC OUTPUT This facility 5 17 is most useful for effects purposes for exa...

Page 30: ...RD The A and B displays can be loaded from TAPE POSITION as well as from KEYBOARD while TAPE POSITION only can be loaded from KEYBOARD If TAPE POSITION is different from A or B or KEYBOARD it is possi...

Page 31: ...e the KEYBOARD display to show the tape speed in relation to 15 ips With deviations less than 5 in tape speed the error will be less than 0 2 With greater deviations table 3 will be able to show which...

Page 32: ...greater than 16 no storing will take place NEXT Pressing this key will make the second digits of the KEYBOARD display contain a number 1 greater than last time this key was pressed First time after po...

Page 33: ...13 89 27 78 7 41 Q937 14 11 28 22 5 93 112 tone 0940 14 15 28 30 5 66 0953 14 33 28 65 4 49 0960 14 42 28 85 3 85 0969 14 55 29 10 3 01 1 4 tone 0980 14 71 29 41 1 96 0985 14 78 29 56 1 48 1000 15 00...

Page 34: ...line plugs DIP plug 1 supplies power to the TPC 2 receives information from the tape deck and transmits commands to the tape deck 3 transmits TAPE POSITION number and tape deck status for use in a sl...

Page 35: ...al processor A pulse on the WRITE line will store the content of the data bus sent by the central processor in the latch In the four KEYBOARD digits the input to the decoder can be switched between th...

Page 36: ...KEYBOARD The purpose of the KEYBOARD PCB is to convert the various commands into data on the data bus The numeric keyboard is organized in a matrix Transmitting 0001 on the data bus and pulsing the K...

Page 37: ...e but here to route INCMRAM1 as read pulse and OUTCMRAM1 as write pulse Three write and one read commands are address decoded on this pcb and then taken to the edge connector DISTANCE HIGH write comma...

Page 38: ...ed pulse arrives every second at nominal tape speed the counter will count down to 1000 At higher tape speeds the number will be higher at lower tape speed the number will be lower The output of the l...

Page 39: ...he command latch The output of the latch is then levelconverted from 15 V CMOS to 24 V the tape deck control voltage The four outputs correspond to following commands Databus 1 STOP command 2 START co...

Page 40: ...pulses are shaped in Schmitt trigger NAND gates The shaped pulses are AND ed to give a pulse out independent of direction This pulse is used to trigger the retriggerable oneshot connected to the stat...

Page 41: ...matically transmits either 00000000 or 11111111 The 8 bit distance is fed to a digital to analog converter AD7520 with a buffer amplifier 1 4 LM324 The analog distance voltage is offset adjusted in an...

Page 42: ...arly that the time to complete a search is unnecessary increased 6A 6 CENTRAL PROCESSOR MODULE The CENTRAL PROCESSOR module is the heart of the TPC It consists of a 4 bit microprocessor Intel 4040 a c...

Page 43: ...1978 07 01 TR532 6A 6cont...

Page 44: ...ape position number in a slave display 6A 8 ADJUSTMENT PROCEDURE FOR TPC The TPC contains in all 5 adjustments They are all located on the INTERFACE module and they are accessible when the TPC is lift...

Page 45: ...eed influence adjustments P4 operating at 15 ips and P5 at 30 ips P4 should always be adjusted before P5 otherwise the procedure is the same They are adjusted as a compromise between overshoot when se...

Page 46: ...mounted on two columns at the rear of the machine If desired the VU meter panel can be removed and placed anywhere convenient max cable length 10 m 6 4 MOUNTING FACILITIES FOR EXTERNAL EQUIPMENT The t...

Page 47: ...dard search function With TPC three preset tape positions can be searched and also automatic recycling can be done between two tape positions The TPC also features a memory where 16 different tape pos...

Page 48: ...of the long spring with the tape moving in PLAY MODE so that the tape tension measured after the CAPSTAN PINCH ROLLER is 225 p 10 Check the tension arm pressure as follows Remove the screw and cover...

Page 49: ...REEL PLATFORM HEIGHT ADJUSTMENT DRAWING 7 01 1977 05 01 TR532...

Page 50: ...after the HEAD BLOCK adjustments are made section 7 7 with the tape running CAUTION When making these adjustments be very careful to remove the adjustment key from the roller before pressing the START...

Page 51: ...nected 275 325 p Tape tension measured in front of playback head 225 10 SERVOARM RIGHT 275 325 p Tape tension measured after capstan pressure roller 225 10 Capstan pinch roller 2 kp 20 measured as sho...

Page 52: ...1977 05 01 TR532...

Page 53: ...BRAKE BAND 1978 08 01 TR532...

Page 54: ...ake up side As there exist reels with flanges of various thickness this adjustment must be done whenever changing to a new type of reel The adjustment procedure is simple Insert a long 3 mm Allen key...

Page 55: ...1980 01 10 TR 532 7 8 1 cont...

Page 56: ...y All guide rollers must have correct perpendicularity see section 7 6 The height of the rollers shall be adjusted so the alignment template is as close as possible to the lower edge of the roller se...

Page 57: ...not be fully perpendicular In rest position it shall lean SLIGHTLY towards the top of the capstan shaft When the pinch roller is manually pressed against the capstan shaft the top of the pinch roller...

Page 58: ...tension observe the tape travel and make sure the tape is within the three guides in the headblock If not 1 If the tape tries to travel upwards adjust roller no 6 The top of this roller shall be adjus...

Page 59: ...1980 01 10 TR 532 7 8 1 cont...

Page 60: ...ches the rest position or stops along the way If it stops along the way then gently loosen the setscrews and let the arm swing in to its rest position Press against it thereby compressing the end of t...

Page 61: ...LEFT TENSION ARM ASSEMBLY 1977 05 01 TR532...

Page 62: ...1978 08 01 TR532...

Page 63: ...the tacho disc and the phototransistor tube about half a mm below Connect an oscilloscope across the output from the preamplifier live orange ground brown and check the shape of the resulting square...

Page 64: ...1977 05 01 TR532...

Page 65: ...O SYSTEM card below the tape deck controls the maximum power to the reel motors and the crossover point for the WIND SPEED CONTROL on the tape deck Put the machine in WIND with the WIND SPEED CONTROL...

Page 66: ...f the tape below which the TACHO LOGIC circuit determines that the tape has stopped when the machine goes from the WIND function into START or RECORD This is done in order to protect the tape so that...

Page 67: ...same figure as that which appears on the TIMER display a Connect an oscilloscope to pin 7 on IC 30 and adjust the DC OFFSET potentiometer so that the trace on the oscilloscope screen tends to oscilla...

Page 68: ......

Page 69: ...ntinue this procedure till the best compromise adjustment is reached 7 27 COARSE HEAD adjustment NOTE This adjustment is only necessary when a head stack has been replaced HEAD BLOCK adjustment drawin...

Page 70: ...ignment will cause the trace on the oscilloscope to open out into an ellipse Adjust the azimuth of the head accordingly using screw 5 Then disconnect the output of track 2 and substitute with track 3...

Page 71: ...TAPE in the same manner as for the PLAYBACK head After the FINE ADJUSTMENT procedure has been completed check that the RECORD and PLAYBACK heads do not make contact with the fixed mumetal shield aroun...

Page 72: ...HEAD BLOCK 1977 05 01 TR532...

Page 73: ...bed for one speed 15 ips since the procedure is identical for the two speeds It is assumed that the heads have been demagnetized and adjusted according to section 7 28 7 30 PLAYBACK REPRO LEVEL ADJUST...

Page 74: ...hese adjustments points 5 8 should be repeated as many times as necessary to obtain a flat frequency response At last check points 2 and 3 and if necessary readjust SYNC ADJUSTMENTS are similar to REP...

Page 75: ...as may vary according to the type of tape used for optimum results If in doubt refer to the tape manufacturers specifications 7 32 RECORD LEVEL ADJUSTMENT 1 Still with the blank tape and recording on...

Page 76: ...JUSTMENT Apply a 3 kHz square wave at approx half SSL to LINE IN monitoring LINE OUT with an oscilloscope Adjust P5 PHASE SHIFT to obtain the best square wave response see fig undercompensated correct...

Page 77: ...rd a piece of tape with 1 kHz SLL 6 dB Rewind go to RECORD again and measure with the selective voltmeter set to 1 kHz at LINE OUT in REPRO mode Adjust ERASE CURR until specification is met 7 34 VU ME...

Page 78: ...a Select REC on channel under adjustment LINE IN no LINE signal b Connect oscilloscope to output of output amplifier pin A14 c Adjust L7 for min bias leakage 3 REPRO PREAMP BIAS FILTER a Select RECOR...

Page 79: ...AM 77 RECORD PLAYBACK AMPLIFIER 1977 05 01 TR532 7...

Page 80: ...7 1 1 Audio amplifier block diagram 1977 05 01 TR532...

Page 81: ...CAPSTAN MOTOR 1977 05 01 TR532...

Page 82: ...1977 05 01 TR532...

Page 83: ...adjusted with a potentiometer in the CAPSTAN PREMAPLIFIER The preamplifier is connected to code 2 card with a 4 pin connector for both signal and power 8 3 FREQUENCY DETECTOR code 2 card diagram 8605...

Page 84: ...t mode and only to take place at stop and fade out after final braking 8 4 1 ACCELERATION CONTROL IN CAPSTAN MOTOR Code 3 print board 72 143 capstan motor control drw 8436 5 consists of two adjust pot...

Page 85: ...ced voltage exceeds the admissible value point 7 goes high the exact limit is determined by the potentiometer P1 Point 7 is connected to print 69 025 in the tape deck at point 51 where it causes trans...

Page 86: ...echanical brakes have taken over the servo tension fades out according to the zener diode ZF4 3 and the 220 F condenser in parallel with it 8 6 WIND SPEED LIMIT CIRCUIT An addition to the tachometer l...

Page 87: ...r voltage but point C will keep transistor 4 cut off Only transistor 6 will switch on and connect the mains to the TAKE UP motor When the tape stops or is moving very slowly point V will drop to 0 2 V...

Page 88: ...m the capstan solenoid via the remote plug point 7B to the MASTER COMMAND PRINT point 17 but short circuited by a transistor in the zeroswitchprint placed behind the electrolytic capacitors until corr...

Page 89: ...The filters are a double type of which only one half is used at a time After both ends have been used dirty filters are either exchanged or vacuum cleaned The filters should be checked at least once...

Page 90: ...TS 8 14 TENSION ARM POTENTIOMETER REPLACEMENT drawing No 7 06 Unlock arm C and remove mounting screw M Unsolder the two leads to the potentiometer and pull down gently on the pot its mounting plate K...

Page 91: ...x x Active Neutral Activated short time z Active until 1 2 sec after start and then neutral u Mains switch with light relay active without light relay active Relay 1 start Relay 2 record Relay 3 wind...

Page 92: ...1979 10 01 TR532...

Page 93: ...1977 05 01 TR532...

Page 94: ...1977 05 01 TR532...

Page 95: ...Drawing 8 01 1977 05 01 TR532...

Page 96: ...Drawing 8 02 1977 05 01 TR532...

Page 97: ...h Esso NUTO HP 32 Oilcan mini Belzer with ROCOL molybden oil Bottle of cleaning fluid Bag of Q tips Remote control unit extension card Testcable 1 5 m coax with jack and banana plug 454A 6691D Templat...

Page 98: ...FX 1011 202 64L 6966 Pull spring for shield for magentic heads 0 ring for adaptor Gaco R 4225 P5 0 ring for stop for press in roller Gaco R 3106 Winding motor Papst Ro 52 80 6 Bl97 55D 6958 3 Brake ba...

Page 99: ...Regulator 3x 24 12 12 5 4F 9870 Printed circuit complete Servosystem 4F 8520 4 Printed circuit complete Tacho Logic 7C 8439 Printed circuit complete Tape Timer Logic 4F 860513 Printed circuit complet...

Page 100: ...used for doubletracking by increasing or decreasing the difference between head delays to around 15 to 25 ms For single shot repeats a second machine is not necessary Instead the normal mix is taken f...

Page 101: ...Drawing 10 01 1977 05 01 TR532...

Page 102: ...r customers who record time code on one track for synchronizing this may be inconvenient For permanent cancellation of the muting function on a specific channel proceed as follows Remove the front pan...

Page 103: ...NIT Unscrew the two locking screws on the Commander Print 75 231 diagram 8905 to be modified Pull out the print Unsolder or cut out diode D4 and leave the circuit open at D4 Install a 10 kOhm resistor...

Page 104: ...1977 07 08 TR53 TR532 10 3 cont...

Page 105: ...1977 07 08 TR53 TR532 10 3 cont...

Page 106: ...AMP pin 5a to pin 16 on the SEARCH LOGIC Connect the START LAMP pin 1c via a diode also to pin 16 on SEARCH LOGIC Terminate the two diodes to ground through a 2K2 resistor Install a switch and connect...

Page 107: ...r group 1 to SOLO and REPRO Group 2 Select tracks for group 2 to SOLO and LINE Group 3 Remaining tracks now automatically belong to group 3 RECALLING GROUPS After programming only group 1 is active Pr...

Page 108: ...ROUPS After programming only group 1 is active Provided no signals are routed to the recorder group 2 will be silent as it is switched to LINE Group 3 is electronically muted To recall group 2 simply...

Page 109: ...mply press the MASTER REPRO button This will switch group 2 from SOLO LINE into SOLO REPRO and these tracks are added to group 1 To recall group 3 press the DEFEAT button which will cancel the SOLO fu...

Page 110: ...lifier adjusted for 15 ips NAB when using a 15 ips CCIR test tape Ereq Relative output in dB 1 kHz 0 20 2 kHz 0 68 4 kHz 1 63 6 3 kHz 2 26 8 kHz 2 52 10 kHz 2 70 12 5 kHz 2 83 14 kHz 2 88 16 kHz 2 93...

Page 111: ...connector at the bottom to the left Pull out the control box from the rear 2 On the power stabilizer assembly located on the reat plate behind the m metal box with the power transformers change the re...

Page 112: ...out of the cabinet by unscrewing four Allen screws in the rear 2 Remove the front plate by dismounting the two varispeed knobs take off the lid first and unscrewing the six eight in the TPC screws ho...

Page 113: ...ore correct tape speed is obtained tape loop will appear at the right hand servo arm To improve the start up characteristic the following modification has been made The code 1 servo system print can e...

Page 114: ...sary for Pl B Turn potentiometer P7 wind power to its middle position C Turn potentiometer P8 start power time clockwise to about of maximum D Thread tape in the normal tape path with the exception th...

Page 115: ...ith your hand and adjust P7 wind power so both servo arms rest in their middle positions Check the adjustment by running the tape back and forth The sensor arms should tend to stay in their middle pos...

Page 116: ...together and with a wire be connected to the emitter of the new transistor BC214 5 To install the new transistor drill a hole for the emitter Base and collector can be mounted in existing holes 6 Coll...

Page 117: ...1978 05 01 TR532 11 5...

Page 118: ...1978 05 01 TR532 11 5...

Page 119: ...1978 05 01 TR532 11 5...

Page 120: ...1978 05 01 TR532 11 5...

Page 121: ...varispeed to nomspeed a discharging of C2 will start but through point 9 and master commander point 22 and P1 fine P2 coarse R38 750e to point 19 and back to code 2 point 11 TS2 will be kept in varisp...

Page 122: ...mp connectors We have recently experienced some cases of intermittent bad connections between the wire and the AMP connector As it concerns the main power supply a number of symptoms can occur and usu...

Page 123: ...of the lamp driving the tape timer logic the circuit controlling the lamp needs the following change on code 7 tachometer logic print 1 Remove resistor R3 33 Ohm 2 Remove jumper connecting lamp connec...

Page 124: ...PCB wire connected to pin B13 as close to the connector finger as possible and in the other end as close to the 33e resistor as possible and substitute the PCB wire with a short piece of shielded cabl...

Page 125: ...ient suppression install two filter capacitors 1 F 35V and 10 F 16V tantal capacitor on the integrated 5V regulator LM309 LM340 5 Remote control type TPC has one regulator Remote control type RCU has...

Page 126: ...activate the mechanical brakes c Press forward wind When tape reaches full wind speed press stop Repeat this in rewind Alternatively wind and rewind about 5 to 10 times in each direction d The felt br...

Page 127: ...hand servo arm when right hand reel is full of tape If any tape loop appears during the servo arm traveling in acceleration period damping is too high If any tape loop appears after the servo arm tra...

Page 128: ...relay If this delay is too small the SYNC signal will be turned off abruptly by the relay instead of softly by the FET switch As the collector of TS26 goes high the relay will be activated c in fig 1...

Page 129: ...s selected the upper FET has a low resistance to feed the signal through while the lower has a high resistance not to load the signal When deselected the upper FET has high resistance to prevent the s...

Page 130: ...erased but it will not be recorded producing a hole in the signal on tape To overcome these problems an add on circuit has been developed This circuit will delay the control voltage to R122 TS37 and...

Page 131: ...he timing of the noise reduction switching can only be matched to the delay circuit if the new computer controlled remote control unit type ATC is used 1 Mark the position of the mounting hole on the...

Page 132: ......

Page 133: ......

Page 134: ...pcb wire running on the component side and install a film capacitor of 470 nF 2 An increase of C59 from 470 nF to 2 2 F point B will extend the low frequency range of the amplifier However do not mak...

Page 135: ......

Page 136: ...n be improved by changing some components The table below shows present values as well as values for improved performance The zener diodes D44 and D52 are listed as they in some series have a differen...

Page 137: ...t may be substituted by type PZ4 A2615 or A2626 which is a 24 V version of the same relay if a 6 2 V zener diode is installed in series with the relay coil Drill two holes and install the zener diode...

Page 138: ...ontrol type ATC Press NOM speed Adjust for display reading of 3000 P2 MAXIMUM VARISPEED ADJUSTMENT Select maximum varispeed Remote control type RCU Press VARI speed Adjust for display reading of 1750...

Page 139: ...ODE 3 test point CODE 4 POWER 5 12 12 3 x 24 VOLT DIAGRAM 8497 Adjust each voltage with voltmeter connected to REAR side of big resistors and ground CODE 7 TACHO LOGIC DIAGRAM 8520 4 P1 TAPE MOTION SE...

Page 140: ...the tape deck VU meter panel 6 Turn the capstan tacho lamp to a position where it will not hit the glass disc 7 Slacken the two Allen screws at the lower part of the flex coupling between motor and t...

Page 141: ...part no 311303 had a diameter of 9 mm 11 The phototransistor tube must be released and withdrawn to a lower position before re assembly to secure the glass disc during mounting 12 The capstan shaft ha...

Page 142: ...et to middel position 14 ADJUSTMENT OF CAPSTAN TOP BEARING CAUTION Make sure the capstan top bearing is properly lubricated before mounting Connect a DC voltmeter or oscilloscope between ground and mo...

Page 143: ...crews holding the square plate with the motor tacho pre amplifier lamp and photo transistor tube Remove the whole assembly MOUNTING OF NEW DISK TYPE CAPSTAN MOTOR 7 Mount the tacho pre amplifier and t...

Page 144: ...amplifier and check the shape of the wave form Adjust by turning the photo transistor tube to obtain the best square wave and at least 4 volt peak to peak level Adjust Pl for a 1 1 mark space ratio T...

Page 145: ...which has the same specifications except for power dissipation In all Lyrec applications the MJE 2955T may be used directly without exceeding the maximum ratings but it should be noted that pins are...

Page 146: ...554 A2 NA RECORD PLAYBACK AMPLIFIER AM77 1039 A1 NA COMPONENT LOCATION FOR RECORD PLAYBACK AMPLIFIER AM77 1040 A2 RECORD EQUALIZATION 1037 A4 RECORD EQUALIZATION 1070V0 A3 RECORD EQUALIZATION 1070V1 A...

Page 147: ...9235 jpg...

Page 148: ...1037 jpg...

Page 149: ...1038 jpg...

Page 150: ...1040 jpg...

Page 151: ...1070V0 jpg...

Page 152: ...1072 jpg...

Page 153: ...1202 jpg...

Page 154: ...1996 jpg...

Page 155: ...1997 jpg...

Page 156: ...2739 jpg...

Page 157: ...8520_4 jpg...

Page 158: ...8605_3 jpg...

Page 159: ...8646_3 jpg...

Page 160: ...9120 jpg...

Page 161: ...9147 jpg...

Page 162: ...9876 jpg...

Page 163: ...9455 jpg...

Page 164: ...9456 jpg...

Page 165: ...9457 jpg...

Page 166: ...9458 jpg...

Page 167: ...9459 jpg...

Page 168: ...9460 jpg...

Page 169: ...9461 jpg...

Page 170: ...9475 jpg...

Page 171: ...9476 jpg...

Page 172: ...9524 jpg...

Page 173: ...9525 jpg...

Page 174: ...9582 jpg...

Page 175: ...9870 jpg...

Page 176: ...9871 jpg...

Page 177: ...9872 jpg...

Page 178: ...9873 jpg...

Page 179: ...9874 jpg...

Page 180: ...9875 jpg...

Page 181: ......

Page 182: ......

Page 183: ......

Page 184: ......

Page 185: ......

Page 186: ...C3 100K 15K 22K 470e 4K99 100K 4K99 100K 4K99 470e 470e 470e 470e 470e 100K 470e P2 P1 C2 R9 R9 R7 R8 R7 R5 R14 9 10 1 R1 4 10K IC 1 PIN 4 IC 1 PIN 11 R12 2 GND C8 R4 C7 R10 C5 R11 100n 15V C7 3 P4 R...

Page 187: ......

Page 188: ......

Page 189: ......

Page 190: ......

Page 191: ......

Page 192: ......

Page 193: ......

Page 194: ......

Page 195: ...veryone From the archives of Analogrules com and AudioSchematics com If you have paid anything for this Manual or Schematic You have been RIPPED OFF Demand your money back And let us know who is steal...

Search results

Summary of Contents for TR532 Series

Reviews:

Related manuals for TR532 Series

Brands by name

Popular brands

Lyrec TR532 Series, Manual

Search results

Summary of Contents for TR532 Series

Reviews:

Related manuals for TR532 Series

Brands by name

Popular brands