OTARI MX-505MKIV-2 Operation & Maintenance Manual Download Page 78

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Summary of Contents for MX-505MKIV-2

Page 1: ...Operation Maintenance MX 5050MKIV 2 Bill Manual MASTER TAPE RECORDER I I 11 lflfi iJCJD...

Page 2: ...Part No OS3 298 1 10 iJliJU MX 5050 MKIV 2 8111 2 MASTER TAPE RECORDER OPERATION AND MAINTENANCE MANUAL THIRD EDITION Printed May 1992 Otari Inc Ed 3 WM...

Page 4: ...o not expose this unit to rain or moisture Do not remove panels unless instructed to do so There are no user serviceable parts inside Refer servicing to qualified service personnel PLEASE READ THROUGH...

Page 5: ...uated away from heat sources such as radiator heat registers stoves or other appliances including amplifiers that produce heat The device should be connected to apower supply only of the type describe...

Page 6: ...able OTARIDENKI TOKYO Otarl Deutschland GmbH_ Olari Singapore Pte Ltd Rudolf Diesel Str 12 625 Aljunied Road 0 4005 Meerbusch 2 Oslerath 07 05 Aljunied Industrial Complex FRGermany Singapore 1438 Phon...

Page 7: ...osition Adjustment 2 5 2 4 PCB Assembly Location 2 9 2 4 1 MX 5050 Bill 2 9 24 2 MX 5050 MKIV2 2 11 2 5 Power Connection 2 13 2 6 Fuse Replacement 2 14 2 7 Speed Conversion BIJI 2 2 15 2 8 Equalizer C...

Page 8: ...ode 4 11 4 5 3 Search Play Mode 4 12 4 54 Search Zero Mode 4 12 4 5 5 Search Start Mode 4 12 4 5 6 Repeat Mode 4 13 4 6 Test Oscillator 4 13 Section 5 Maintenance 5 1Maintenance Scheduling 5 2 5 2 Dem...

Page 9: ...d Azimuth Adjustment 7 5 7 3 2 Reproduce Level Adjustment 7 6 7 3 3 Reproduce Equalization Adjustment 7 7 7 4 Record Electronics Adjustments 7 8 7 4 1 Record Bias Level Adjustment 7 8 7 4 2 Record Hea...

Page 10: ...el MKIV 2 3 1 3 5 Audio Connector Panel Bill 3 1 3 6 Audio Connector Panel MKIV 2 3 10 Figure 4 1 Tape Threading 4 6 4 2 Editing aTape 4 10 Figure 5 1 Demagnetizing the Head 5 2 5 2 Cleaning the Head...

Page 11: ...3 12 3 2 Connector Pin 21 22 3 12 3 3 Remote Control Connector MKIV 8 Option 3 13 Table 4 1 Transport Modes 4 2 4 2 Audio Channel Modes 4 2 4 3 Auto Locator Modes 4 2 4 4 Vari Pitch Preset 4 10 4 5 C...

Page 12: ...eneral description of the features of the MX 5050 series tape recorders and information on the structure of this manual 1 1 MX 5050 Series 1 2 1 2 Using This Manual 1 3 1 2 1 OrgJnizJtion 1 2 2 Conven...

Page 13: ...4 Track Width Mx 5050 BIII 2 2 Channel NAB 1 4 Track Width MX 5050 BIJI 2E 2 Channel DIN 1 4 Track Width MX 5050 Balli 4 Channel 1 4 Track Width MX 5050 MKIV2 2 Channel NAB 1 4 Track Width MX 5050 MKI...

Page 14: ...ual Section 2 Installation This section describes the procedures for unpacking and hooking up the machine This section also includes the 01 Pswitch presettings Section 3Controls and Indicators Thissec...

Page 15: ...e name or function of that PCB Assembly will usually be given in ALL CAPITAL letters Type conventions ALL UPPER CASE Generally this manual uses all upper case type to describe aswitch or control when...

Page 16: ...nformation on unpacking and inspecting the tape recorder and on power and signal connections Refer to this section when first setting up the machine This section includes the following sub sections 2...

Page 17: ...led with the transportation company We recommend retaining the packing material at least until proper operation of the machine has been established Verify that all items as listed in Table 2 1 have be...

Page 18: ...ut level is fixed to 4dBu The output from the machine is transformerless and balanced The nominal output level IS selected from 4 dBu or 16 dBu with the switch on the rear panel The output level is se...

Page 19: ...as follows Pin 1 Shield GNO Pin 2 Cold Pin 3 Hot When connecting an unbalanced machine to the MX 5050 change the pin assignment as shown in Figure 2 2 Balanced Input Balanced Output Unbalanced Input U...

Page 20: ...nel before operating the machine Table 2 2 Function Switch Selling Settings on Rear Panel MIC Attenuator SWSOI OdB 20dB OFF REF FLUX SWS02 H M L 320 2S0 18SnWb m EO Setting SWS03 NAB IEC Output Level...

Page 21: ...chine Type SW2 8 Not used eN Oem VAG IRS YR4 00 2 000 000 vAl VR VAl DO SW2 SW I I SW Figure 2 4 Controls on the CONTROL PCB Assembly Refer to Fig 2 4 for the location of these DIP switches on the CON...

Page 22: ...hown above Additional Punch Ins are made by pressing the PLAY and REC buttons or lust the REC button while in Ready mode OFF Level Type With Ihls setting the Punch In command signal is as shown above...

Page 23: ...Fast Wind modes other than Fast Wind Cue mode ON Not Mute OFF Mute SW2 5 This switch selects whether the audio is muted during the time from when the PLAY button is pressed until the tape enters Play...

Page 24: ...e MX 5050BIII must be turned face up The rotation of the AMP section is performed as follows Bill r SCREW CONTROL pca e time from when 1e IL IlUlIlIlIlIIIII C lROl PCB RECIAEP PCB switches are set at...

Page 25: ...re 2 7 2 Remove the Foot and Deck Stand from the Rear Cover 3 Remove Ihe Rear Cover by removing the screws holding it in place 4 Loosen the two screws holding the Heat sink Rotate the CONTROL PCB Asse...

Page 26: ...Psection of the MKIV 2 is adjusted after removing the Top Panel w Accessing the AMP Section 1 Turn oH the machine Remove the Top Panel for MKIV 2 2 Adjust the PCB Assemblies REC REP AMP PCB Assembly...

Page 27: ...MKIV 2 1 Turn ott the machine Lay the machine on its side 2 Remove the Bottom Panel by removing the screws holding it 3 loosen the two screws holding the Heat Sink on the Control PCB Assembly Rotate...

Page 28: ...then will change to tape time indication Turning on the machine while press ing the STOP button will cause the ROM version of the Control PCB Assembly to be displayed Dr AC GND AC Hot Neutral Figure 2...

Page 29: ...replacing afuse disconnect the power cable from the AC line First refer the Table 2 for information on the eight fuses Replacement of the Main Fuses 1 Remove the left side panel by removing the screw...

Page 30: ...50 BIII 2 is shipped from the factory with set at High Speed 15 7 5 ips If you want to change this to Low Speed 7 5 3 75 ips follow the steps below 1 Remove the bottom panel to access the CONTROL PCB...

Page 31: ...to associate the description with the real parts on the machine When you have questions about any of the controls or their functions please refer to this section This section includes the following su...

Page 32: ...plied reel adapter The Supply Tension Arm helps correct tape tension fluctuations due to changes in tape pack diameter or irregularities in tape pack The Tacho Roller is turned by tape motion and gene...

Page 33: ...on of the Switch turns on the machine This 6 digit display shows the tape time in Hours Minutes and Seconds the tape speed in ips inches per second or the tape speed as apercentage change from the sel...

Page 34: ...Refer to 4 5 6 for details on Repeat mode 9J CLR Button Pressing the CLR key together with the one of the following keys works as follows CLR SET CLR T IPS CLR SEARCH 1 3 CLR REPEAT Exits Set mode Tap...

Page 35: ...with the Reproduce head for audio monitoring at fast wind speed There are two ways to enter CUE mode tapping the CUE button or holding the CUE button down For details refer to 4 2 1 Pressing this butt...

Page 36: ...ernte The track width is 2 mm for the MKIV 2 and BII12 2 75 mm for the MKIV2E and B1112E and 6 3 mm for the BIII F The Record Head is made of Hard Permalloy The track width is 2 mmfor the MKIV 2 and B...

Page 37: ...II F width is 2 mm for the and 6 3 mm for the ack width is 2 mm for 1 2E and 6 3 mm for 1 Inpul Level Knobs 2 Vu Meles 3 Peak Indicalor 4 SRL Indicalo 5 Oulpul Level Knob SRL Swilch 1 MONITOR Bullon S...

Page 38: ...level is set to the SRL factory setting 4dB This button selects the monitor signal source When this button is set to SOURCE position all the OUTPUT connectors and VU Meters receive the signal present...

Page 39: ...t level the SRL factory lis button is set to Meters receive the n is set to TAPE output ator The selectable nce is 8 n L REP Mode button is ceive signals elected 1to READY mode In the REC and PLAY pre...

Page 40: ...0 o 0 ii CJ 0 5 4 Figure 3 6 Audio Connector Panel MKIV 2 o PARALLEL 1 10 POW ER GROUNO 0 ri7 1 D Il 0 o 9 1 line Out ut Connector 2 line Input Connector 3 Mic Input Connector 4 Mic Attenuator Switch...

Page 41: ...n tllis switch is set to the 20d BpOSition this switch attenuates the microphone input level by 20dB If attenuation is not necessary set this to OdB When this switch is set to the OFF pOSition the MIC...

Page 42: ...IN OUT OUT OUT OUT OUT OUT OUT OUT OUT IN OUT OUT IN OUT OUT OUT IN RECORD Switch PLAY Switch STOP Switch FFWD Switch RWD Switch Lifter Defeat Switch Salety Switch Record Tally Play Tally Stop Tally F...

Page 43: ...witch ord Tally I Tally pT ally VD Tally D Tally lal GND 10 Pulse Output eDirection kHz Output Speed CNT Input Speed CNT Command CNT Tally READY Tally imity Sensor Rehearsal Command max 150 mAl eg Pow...

Page 44: ...sub sections 4 1Operation ModeReference T ables 4 2 4 2 Modes of Operation 4 3 4 2 1 Trallsport Modes 4 3 422 Audio Channel Modes 4 4 4 3 Operating the MX 5050 4 5 4 3 1 Placing Reels on the Machine...

Page 45: ...odes MODE CONTROL EXPLANATION Ready Safe Input Monitor Sel Rep Monitor Repro Monitor READY SAFE sWitch to READY READY SAFE switch to SAFE Monitor Select switch to INPUT Monitor Select switch to SELREP...

Page 46: ...tered from Stop Play Fast Forward and Record modes J Record mode To enter Record mode press the RECORD and PLAY buttons when achannel is in Record Ready mode or if it is selected to do so press the RE...

Page 47: ...stion not depressed The Record mode indicator s will extinguish When the Record mode indicator is extinguished that channel is in Record Safe mode J Input Monitor mode In Input Monitor mode the signal...

Page 48: ...l 3 Lift and turn the Reel Clamp portion of the Reel Spindle 60 degrees until it clamps the reel in place J Using 10 5 NAB Hub Reels 1 Turn the Reel Clamp portion of the Reel Spindle until it lines up...

Page 49: ...lUP S L and REEL SIZE SUP S L buttons after mounting the reels 2 Thread the tape from the Supply reel to the Take up reel as shown in Figure 4 1 and turn the Take up reel clockwise to remove any slac...

Page 50: ...nto Record mode The RECORD and PLAY buttons on the transport illuminate 6 In RECORD mode the ecorded signal can be monitored by pressing the MONITOR button to the TAPE position NOTE When achannel is s...

Page 51: ...playback When the RECORD button is pressed at the overdubbing pOint the channel set to READY is changed to INPUT mode and recording begins 7 Press the STOP button to stop recording When ready to Punch...

Page 52: ...editing point and finally place the editing point to the reproduce head 2 Press the EDITbutton to enter the EDIT Ready mode The EDIT button blinks to show that the machine is in Edit Ready mode 3 Mark...

Page 53: ...d feature is used j Presetting the Vari Pitch Value in FIX Speed mode 1 Change the Tape Time Display to Speed Change illdication by pressing the TIME IPS button 2 Press the SET button and display the...

Page 54: ...d To clear the CUE pOint press Ihe CLR button and the corresponding SEARCH key J Cue Point Set Mode In SET mode the desired tape tocation can be displayed on the display by using the SEARCH ZERO SEARC...

Page 55: ...ll move at Fast Wind speed to the location corresponding to 0 00 00 on the Tape Time display and stop During the Search the indicator in the SEARCH ZERO button will flash 4 5 5 Search Start Mode When...

Page 56: ...he tape is stopped outside of the Repeat Loop the machine automatically enters Fast Forward or Rewind mode and moves to the beginning of the Repeat Loop and stops 4 To exit from the Repeat mode press...

Page 57: ...be pertormed before each recording session and must be performed before any electronic alignments are performed Lubrication should be performed after 1000 hours of operation or after 6 months whichev...

Page 58: ...with extreme caution DEMAGNETIZING CAUTION To avoid damaging the MX 5050 always make sure the POWER switch is off before proceeding The AC field created by the demagnetizer is extremely powerful and c...

Page 59: ...r 3 feet away from the MX 5050 and turn it off or unplug it 5 3 Cleaning the Tape Path It is extremely important to clean the entire tape path regularly Oxide and dirt will be shed from the tape and a...

Page 60: ...er shaft 3 Remove two hex socket head screws on thehead housing cover 4 Remove the Tape Guide at the take up side Remove the two screws holding the Rear Head Escutcheon 5 Remove the dust cap on the Ca...

Page 61: ...replacement steps 6 1 Transport Access 6 2 In it 6 2 Brake Torque Adjustment 6 2 6 3 Tape Lifter Adjustment 6 4 Jsing cover 6 4 Capstan Motor Adjustment and Pitch Control Adjustment 6 5 he two screws...

Page 62: ...djusted at one time the adjusted torque is the best compromise for both sides Necessarv Tools Table 6 1 Necessary Toofs 105 NAB Reel String 2m Spring Scale 500g 1 Turn off the power to the machine 2 P...

Page 63: ...275g 7 9 9 7 ounces MX 5050MKIV 2 A 145 175g 51 6 2 ounces B 3t5 385g 11 1 13 6 ounces g If the readings are low in both directions detach the brake spring from the anchor hole on the brake lever and...

Page 64: ...wing adlustment 3 Remove the reels on the transport panel Referring to 2 4 open the rear panel 4 Adjust the Lifter Stopper position by loosening the screws on the Lifter Stopper so that the appropriat...

Page 65: ...e of the square wave 6 While reproducing the tape adjust VR 1 Gain so that duty cycle of the square wave becomes 50 7 While observing the oscilloscope pinch the capstan shaft with the thumb and forefi...

Page 66: ...kg to the other end of the loop 5 Pull on the scale straight from the center of the capstan shalt as shown in Figure 6 5 Note the scale reading when the pinch roller loses contact with the capstan the...

Page 67: ...rt of the spring scale 3kg on the hex socket head screw M3 from the direction of the capstan shaft Refer to Figure 6 7 Be careful that the piston part does not touch the capstan shaft 5 Push on the sc...

Page 68: ...pstan Shaft and Pinch Roller before the measurement 2 Press the Speed Mode Select button to set the FI Xmode Set the Record mode button to SAFE position protruded position 3_ Connect the frequency cou...

Page 69: ...e cross recessed screws accessible from the side of the transport 1 Remove the side panel by removing the screws on the panel 2 Loosen the height adjustment screws hex socket head screws holding the R...

Page 70: ...ed M and remove the head base from the tape guides 3 Unsolder the lead wires coming from the Head PCB 4 Remove the Head Stack from the Head Base by removing screws A 1 and W 5 Attach the new Head Stac...

Page 71: ...l Fluctuation Erase Head Wrong Posilion Deterioration of the Erase Ability J Height Zenith Adjustment Perform the lollowing adjustment aller raising the head cover 1 Thread tile machine with atape tha...

Page 72: ...stment is necessary 2 Turning the screw marked W in Figure 6 9 visually adjust the head so that the tape approaches and leaves the head gap at approximately the same angle If the level increases by mo...

Page 73: ...red 7 2 7 2 Preliminary Adjustments 7 3 7 2 1 Peak Indicator Level Adjustment 7 3 7 2 2 Test Oscillator Waveform and Level Adjustment 7 4 7 3 Reproduce Adjustments 7 5 7 3 1 Reproduce Head Azimuth Adj...

Page 74: ...test and able to display dBm OdBm 0 775V Ageneral purpose dual trace oscilloscope such as those made by Tektronics Leader Hitachi and Hewlett Packard Asweepable test oscillator capable of generating s...

Page 75: ...approximately 3 THD 1 Check the trigger level corresponding to the set Magnetic Reference Flux Level Table 7 2 Magnetic ReI Flux Level Trigger Level Trigger Level 185 nWb m StandJrd Level 15 0 dB 250...

Page 76: ...G NAB L M H MICATI OUTPUT EO REG LEVEL LEVEL Figure 7 1 REC REP AMP PCB DIP Side Switches and Trimmers on the REC REP AMP PCB SW301 Record Selection L Ch VR303 REC EO High Speed L CH VR201 SEL REP Lev...

Page 77: ...E Insert the Headphone Plug into the Phone Jack Adjust the Monitor Level with the Output Level Control Knob 5 Connect one input channel of the oscilloscope to the CH 1OUTPUT connector Connect the othe...

Page 78: ...1 Thread the machine with the Reproduce Alignment Tape Refer to 7 1 Press down the both Monitor buttons to TAPE position 2 Connect the AC Voltmeter to the CH 1 OUTPUT connector 3 Set the SRL switch t...

Page 79: ...kHz portion of the Reproduce Alignment tape and adjust VR 102 for High Speed models VR1 03 for Low Speed models on the REC REP AMP PCB until the AC voltmeter indicates 4 dBu 6 Connect the AC voltmeter...

Page 80: ...6 fully counterclockwise While observing the CH lVU meter turn VR306 clockwise until apeak in the indication on the VU meter is observed 7 Continue turning VR306 clockwise until adecrease equal to the...

Page 81: ...ress the RECORD and PLAY buttons to enter Record mode 6 Adjust the Record Head Azimuth adjustment screw A2 until the display on the oscilloscope becomes astraight line at 45 degrees as shown in Figure...

Page 82: ...Playback Equalization and Record Bias adjustments are completed 1 Thread the machine with tape and set the SPEED select switch to the HI position 15 ips for High Speed 7 5 ips for Low Speed 2 Press t...

Page 83: ...et the machine to the speed which is most often used Confirm that SW201 and 101 on the REC REP AMP PCB has been set to the ON position 5 While Record the signal from the oscillator adjust VR105 on the...

Page 84: ...Section 8 Specifications 1 8 1Tape Transport 8 2 8 2 Electronics 8 3 8 1...

Page 85: ...E Erasex 1 Record x 1 Repro x 1 MKIV 2 Erase x 1 Record x 1 Repro x 1 Capstan x 1 DC brushless PLL se rvo motor Reel x 2 AC Induction Motor max 1OS NAB High Speed Version 15 ipsl7 5 ips Low Speed Vers...

Page 86: ...ce 8Q 1 4 Standard Stereo Phone Jack Note OdBu 0 775V NAB IEC Selectable MX 5050 BIII 2 MKIV 2 BIII F 185 250 320 nWb m MX 5050 BIII 2E MKIV 2E 250 320 510 nWb m open circuit flux REC REP Frequency Re...

Page 87: ...2E min 75dB min 75dB min 70dB Sine wave 1kHz 1 OkHz 133kHz 133kHz 5 40 C 41 104 F 20 80 RH 20 45 C 4 113l 10 80 RH MX 5050 Bill 525 x 430 x 275 mm H x Wx D MX 5050 MKIV 2 480 x 430 x 6BO mm MX 5050 B...

Page 88: ...DIMENSIONS MX 5050 Operation and Maintenance Manual Section 8 Specifications tenance Manual 206 Bill 527 220 MKIV 2 E MKIV 2 2E E MKIV 2 2E E 80111 430 680 480 168 199 2 8 5...

Page 89: ...ssembly T0067 9 4 3 Head Assembly KH 44K 9 6 4 Reel Assembly KW 41J 9 8 5 Pinch Roller Assembly KP 4X 9 10 Capstan Assembly KC 41 H Shifter Assembly KR 4W 6 Tension Arm Assembly KA 4X KA 4Y 9 12 Imped...

Page 90: ...r Cover Assembly K1168 A 2 Grille Ventilation CY5001A 3 Plate C K102911 4 Foot CY4013 5 Panel Side K116802 6 Hundle CY1004 7 Washer Trim KZ6C028 8 Connector Panel Assembly CB792 9 Panel Rear A106204 1...

Page 91: ...MX 5050 Operation and Maintenance Manual Section 9and Exploded Views and Parts List Case Assembly K1168 1tenace Manual _ AI May 19 92 9 3...

Page 92: ...mer Power 6 Frame 7 Angle 8 Bracket L 9 Bracket R 10 Bracket 11 Cover Fuse 12 FUSE PCB Assembly 13 Bracket L 14 Bracket R 15 CONTROL PCB Assembly 16 Angle Frame 17 Washer Trim 18 Washer 19 Stud 20 Stu...

Page 93: ...nd Maintenance Manual Section 9 and Exploded V lews and Parts List tenace Manual Chassis Assembly TDD67 03x88 0 17 o 18 0 3 F4x12 i i I I C3x12 I I A 1 4W I 4SW I 4N I I 6 19 I 1A2d 16 C3x12 F4x10 20...

Page 94: ...y 1 4 2CH 10 Cover Housing 11 Head Housing Front 12 Guide Tape 13 Connector 14 Bracket Connector 15 Plate Shield 16 Pole Guide 17 Clamp Cable 18 Bracket L PCB 19 Bracket R PCB 20 Cover Protection 21 H...

Page 95: ...ation and Maintenance Manual Section 9 and Exploded Views and Parts List ntenace Manual Head Assembly KH 44K Sub Assembly 4KA ad Sub Assembly 1 44KA B3x8B PS3x8 C3X12 i 17 PZ3X6N 03x30N 03xl0B 10 11 j...

Page 96: ...KWOG016 6 Motor Reel MR1 C005 7 BaseL Brake KWOG013 8 Bracket Connector KW41J01 9 BaseR Brake KWOG012 10 Brake Band Assembly KW 4J A 11 Spring GS1175 12 Stopper Cable KZ3A047 13 Pin Solenoid KZSA003...

Page 97: ...MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List Reel Assembly KW 41J Itenace Manual May 1 99 2 g 9...

Page 98: ...Dubble Pin Solenoid Stopper Solenoid Stud Bracket Motor Cap Dust Ring Motor Capstan Shaft Link Arm Shifter Link Assembly Collar Shaft Arm Arm A Lifter Arm B Lifter Bracket Shifter Solenoid Solenoid A...

Page 99: ...ace Manual MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List Pinch Roller Assembly KP 4X Capstan Assembly KC 41H Shifter Assembly KR 4W G 00 0 0 a PS4x6 MaY1 g9 2 9...

Page 100: ...r Assembly 15 Collar 16 Bearing 17 Ring 18 Holder 19 Spring 20 Washer 21 Ring Shaft 22 Washer 23 Nut Holder 24 Boss 25 Disk Tacho 26 Stud 27 ROLLER TACHOPCB Assembly 28 Timer Display Assembly 29 Sprin...

Page 101: ...Assembly 4J A MX 5050 Operation and Maintenance Manual Section 9and Exploded Views and Parts List Tension Arm Assembly KA 4x KA 4Y Impedance RollerAssembly KI 4T Timer Assembly ZA 95G 28 53x4 9 13 FJx...

Page 102: ...B 7UZA A Button CUE KN2145 B Button EDIT KN2147 C Button RECORD KN2144 D Button PLAY KN2142 Assembly E Button STOP KN2141 F Button F FWD RWD KN2143 G Switch Selector KN2184 H Knob KNll08 H Cap Knob KN...

Page 103: ...MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List lnace Manual Control Assembly CB 23U 0 CD 0 bly I ID M C C ID M C f It May 1992 9 15...

Page 104: ...ack Phone CN602144 11 Switch WH340013 12 Button KN2095 13 Button KN2094 14 Button KN2093 Blind PZ1B012 16 Blind PZ1B010 17 Frame L Amp Al02808 18 Frame R Amp A102807 19 Bracket PCB A106206 Collar Al02...

Page 105: ...intenace Manual MX SOSOOperalion and Maintenance Manual Section 9 and Exploded Views and Parts List Amplifier Assembly A1175 m CD M o h l I _ M II May 1992 May 1992 9 17...

Page 106: ...nual Connector Panel Assembly CB 792 No Description 1 Panel Connector 2 Connector Dsub 37pin 3 Terminal Ground 4 Screw Lock 5 AC Inlet 6 Connector XL type Male 7 Connector XL type Female Parts No Note...

Page 107: ...ntenace Manual May 1992 MX SOSO Operation and Maintenance Manual Section 9and Exploded Views and Parts list Connector Panel Assembly CB 792 z co M o May 1992 9 19...

Page 108: ...el A Side 8 Panel B Side 9 Cover Ventilation 10 FrameR 10 Frame L 11 Panel Rear 12 Connector Panel Assembly 13 Bracket R Chassis 13 Bracket L Chassis 14 Fram e Under 15 Cover Under 16 Foot 17 Washer T...

Page 109: ...ltenace Manual May 1992 MX 5050 Operation and Maintenance Manual Case Assembly K1170 Section 9and Exploded V lews and PartsList May 1992 _ _ _ _ ___ 9 21...

Page 110: ...Power 7 Frame 8 Angle 9 Bracket L 10 Bracket R 11 BracketL 12 BracketR 13 Bracket 14 Cover Fuse 15 FUSE PCB Assembly 16 CONTROL PCB Assembly 17 Washer Trim 18 Washer 19 Bracket L 20 Collar Screw 21 S...

Page 111: ...MX 5050 Operation and Maintenance Manual Section 9and Exploded Views and Parts List nace Manual Chassis Assembly T0069 21 PS3 xB TS3x6 TS3x6 Cl 64 xB v Y v PS3x6 TS3x6 MaY1 99 2 9...

Page 112: ...Head Assembly KH 44KA 1 4 2CH GH4E082B 8 Record Head Assembly 1 4 2CH GH4R005B 9 Reproduce Head Assem bly 1 4 2CH GH4P027B 10 Cover Housing KHOF038 11 Head Housing Front KHOF037 12 Guide Tape KG4A003...

Page 113: ...rr f rli B3xSB 03xl0B 03 10B PS3xB 03 30N 10 11 II 19 nace Manual ub Assembly A Sub Assembly 4KA MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List Head Assembly KH 4...

Page 114: ...r 9 Base R Brake 10 Brake Band Assembly 11 Sp ng 12 Stopper Cable 13 Pin Solenoid 14 Solenoid 15 Damper 16 Guide Brake 17 Drum Brake 18 Ring Etype 19 Ring Etype Notes Parts No KW 41 DG KW 41 EA KWOB05...

Page 115: ...tenace Manual MX 5050 Operation and Maintenance Manual Section 9and Exploded Views and Parts List Reel Assembly KW 41J PJx8N 4SW 4N C4xl0 17 11 May 1992 2 ___g v MaY199 ____...

Page 116: ...7 Ring 18 Motor Capstan 19 Shaft Link Arm 20 Shifter Link Assembly 21 Collar 22 Shaft Arm 23 Arm A Lifter 24 Arm B Lifter 25 Bracket Shifter Solenoid 26 Solenoid 27 Arm Link 28 Angle 29 Pipe Rubber 30...

Page 117: ...lace Manual MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List Pinch Roller Assembly KP 4X Capstan Assembly KC 41H Shifter Assembly KR 4W 3 37 PS4X May 1992 9 29...

Page 118: ...Assembly 15 Collar 16 Bearing 17 Ring 18 Holder 19 Spring 20 Washer 21 Ring Shaft 22 Washer 23 Nut Holder 24 Boss 25 Disk Tacho 26 Stud 27 ROLLER TACHO PCB Assembly 28 Timer Display Assembly 29 Sprin...

Page 119: ...peration and MaintenanceManual Section 9and Exploded Views and Parts List Tension Arm Assembly KA 4X KA 4Y Impedance Roller Assembly KI 4T Timer Assembly ZA 95G enace Manual nee Roller sembly 28 F3x6...

Page 120: ...ton PLAY E Button STOP F Button F FWD RWD G Switch Selector H Knob H Cap Knob 6 Escutcheon Switch 7 Escutcheon Switch 8 Angle 9 Stud 10 Stud 11 Stud 12 Connector Housing Plug 13 Connector Contact Plug...

Page 121: ...MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List inace Manual Control Assembly CB 2311 0 CD 0 0 Ibly CD M C1 I 0 M lm 9...

Page 122: ...de LAssembly 19 Cover Amp Notes Parts No KN1102 KN1100 KZ7C111 KZ1063A KZ6C017 RV2240B3 A1062 A A106201 ME11005 CN602144 WH340013 KN2095 KN2094 KN2093 PZ1B012 PZ1B010 A11770C A11770B 20 Amp Connector...

Page 123: ...1aintenace Manual MX 5050 Operation and Maintenance ManuJI Section 9 and Exploded Views and Parts List Amplifier Assembly A1177 s May 19 92 9 35...

Page 124: ...arts List MX 5050 Operation and Maintenace Manual Amp_ Connector Assembly A1177 No_ Description Parts No Notes 1 Amp Connector Panel Assembly All77 A 2 Connector XL type Male CN103195 3 Connector XL t...

Page 125: ...nace Manual MX 5050 Operation and Maintenance Manual Section 9and Exploded Views and Parts List Amp_ Connector Assembly A1177 May 1992 9 37...

Page 126: ...st MX 5050 Operation and Maintenace Manual Connector Panel Assembly CB 794 No Description 1 Panel Connector 2 Connector Dsub 37pin 3 Screw Lock 4 AC Inlet 5 Terminal Ground Parts No CN7B 212 CN237326...

Page 127: ...MX 5050 Operation and Maintenance Manual Section 9 and Exploded Views and Parts List lenace Manual Connector Panel Assembly CB 794 o N EEi fE gggff D I N 0 X XI CD M XI M o I o I I May 1992 9 39...

Page 128: ...Appendix Block Diagram Troubleshooting Hints Electronics Troubleshooting Hints Transport...

Page 129: ...AL AMP _ REC PRE AMP PHONE AMP MIC LEVE LAOJ ACTIVE MIC GAIN SEL BAL AMP 1 LINE OUT LINE IN lINEIN REC OUT AMP r r o REC SEL AMP TOSEL REP AMP COM TEST OSC COM REC LEVEL SEL TEST OSC ED SEL rr REC SEL...

Page 130: ...osition Tape is Ihreaded incorrectly IS counler working CONTROL PCB correclly is defective Tape is threaded Incorreclly Counler roller IS defeclive Tension Arm wilh salety sensor is al lower pasilion...

Page 131: ...k Ea and bias II aK Amp or Head is bad frequency response Conlirm that tape being is nOllial Record fteQuency used is same as tape used response is bad lor adjustmenl EO Bias need to be adjusted Conl...

Page 132: ...ting 6 5 DC Servo Motor 3 2 Demagnetizing 5 2 Depthof Erasure 8 4 Demagnetizing 5 2 Dimensions 8 4 DIN Hub 4 5 Distortion 8 4 Dump Edit Mode 3 5 Dummy Head 3 6 Dust Cap 5 4 E EdgeType 2 7 EDIT Button...

Page 133: ...11 Power Cable 2 2 2 13 Power Switch 3 3 Punch InfOut 2 6 R Ready 4 4 4 7 Rear Head Escutcheon 5 4 Recording 4 7 Record Bias Level 7 8 RECORD button 3 5 Record Head 3 6 Record Head Azimuth Adjustment...

Page 134: ...eviation 8 2 Tape Speed Indicator 3 3 Tape Speed Select button 3 5 Tape Spped Variable Range 8 2 Tape Time Display 3 3 Tape Width 1 2 8 2 Tension Arm 3 2 Test OscillJtor 4 13 Test Oscillator buttons 3...

Page 135: ...594 6 PB4RNOA RMD PCB Assembly 3 16661 PB7UZOA TP CONT SW1 PCB Assembly 4 47281 PB7HTOA TIMER IND OCB Asembly 3 14224 PB7HUOA Timer Drive PCB Assembly 3 14220 PB4HCOA Roller Tacho PCB Assembly 4 43800...

Page 136: ..._ J f hI j D IS CO Ln x DHG I S I N O Z C IS Cl IS D 1 0 u t J i l Ill j liiUL llj fI lA i 1 J tL I I lit Sl Ll 1 I i 1 j 1 r rtJ I I i oHIQl U j L Y ciJ J j 1 l MS w 1 r5J l llI f t II 1 tj I I U l L...

Page 137: ...I a VOL rAC 5EL CO r UG I I I I f 7 5 eBv I g 2 1 8 IB II 1lC IV I 9 I O 10 V 1 1 8 AO IV 8 I Bv I 3 4 7 8 I0 11 I 1 8 I BV 9 Bv 9 1 0 _ __ I liN 1 2 5 7 8 16 1 I I I 2C0v 1 9 8 1 2 10 11 220V 1 3 6 8...

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Page 145: ...LTTIC CAPACTOR N j BIPOLAR ALUMINUH ELECTROLTTIC CAPACITOR r HTLAR f ILH CAPAC ITORC 5 50V 5 POLTSTTRENE flLH CAPAClT6RC 5 5eV C CERAMICCAPACITOR S4EE M HICA CAPACITORC 5 I O F I M T TANTALUM ELECTROU...

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Page 149: ...Otarl Inc 4 33 3 Kokuryo cho Chofu shi Tokyo 182 Japan Tel 0424 81 8626 Fax 0424 81 8633 I I...

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OTARI MX-505MKIV-2, Operation & Maintenance Manual, Page: 78 / 149

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