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Introduction 

The information presented in this manual is intended for competent technical personnel to carry out service and 

product  support  for  the  DJX  series  of  DJ  consoles.  We  assume  that  the  reader  is  familiar  with  the  related 

electronic  theory  and  audio  terminology.  And  is  able  carry  out  servicing.  Fault finding  and  repair  of audio 

equipment of this type.  Service person should also be familiar with audio system. mains earthing and power 

requirements. As well as handling precautions. 

For information on the configuration, operation and application of DJX series range please refer to DJX series 

USER GUIDE.

Service and Technical Support 

Under normal condition the DJX series does not require maintenance or internal calibration. Any service work 

required should be carried by qualified service person only. 

We offer further product support throughout our network of approved dealer and service agents. To help provide 

the most efficient service please keep a record of the console serial no. the date and place of purchase to be 

quoted in any communication regarding this products

      

Summary of Contents for DJX 300 MK I

Page 1: ...wer requirements As well as handling precautions For information on the configuration operation and application of DJX series range please refer to DJX series USER GUIDE Service and Technical Support Under normal condition the DJX series does not require maintenance or internal calibration Any service work required should be carried by qualified service person only We offer further product support...

Page 2: ...r use it in damp or wet condition Do not place container of liquids on it this might spill into any opening Heat Do not locate the console in a place subject to excessive heat or direct sunlight as this could be a fire hazard locate the console away from any equipment which produce heat such as power supplies power amplifier and heaters Environment Protect from excessive dirt heat and vibration wh...

Page 3: ...ER TREBLE LINE 12dB 10 KHz MIC 10 dB 10 KHz MID LINE 12 dB 1 5 KHz MIC 10 dB 1 0 KHz BASS LINE 12dB 50 Hz MIC 10 dB 100 Hz FREQUENCY RANGE 3 0 dB 20 Hz 20 KHz DISTORTION THD 0 05 SIGNAL TO NOISE RATIO SNR MIC 55dB PHONO 60dB LINE 75 dB TALKOVER 60dB HEADPHONES 1 5VOLT 400 POWER SUPPLY 240Vac 50 Hz DIMENSIONS 255 x 342 x62mm WEIGHT 1 9 KG ...

Page 4: ...er HEADPHONE SECTION The head phone section is fitted with 6 3 mm stereo jack that is located on top and on front panel of the unit chooses the socket which is more convenient ONLY CONNECT ONE HEADPHONE the CUE SELECT switch allows to choose if you wish to listen to channel 1 or 2 or both via the headphone The CUE LEVEL control sets the output level to the headphones The SPLI NORM control determin...

Page 5: ...r supply with 200 watts series lamp on socket along with a shorting switch for the lamp 6 60 40 solder wire 7 Desoldering wick for removal of solder from PCB Clean PCB 8 25 35 watt solderon soldering iron REPLACEMNET OF CROSSFADER Due to the intensive use of this control the crossover fader needs replacement after some time This is very easy and requires no soldering to remove the two screw on the...

Page 6: ...nection Type Impedance Sensitivity MIC IN JACK 2K OHMS 54dBu Stereo LINE IN PHONO JACK 10K OHMS 775mV RMS 0dBu Stereo PHONO IN PHONO JACK 47K OHMS 3 8 mV 46dBu Output Connection Type Impedance Level MIX Out L R PHONO JACK 10K OHMS 0dBu 775mv rms REC Out L R PHONO JACK 47 K OHMS 12 0 dBu HEAD PHONES TRS JACK 400 OHMS 1 5Volt ...

Page 7: ... the console mains plug the console is connected to mains earth through the power cable to ensure your safety Audio 0v is connected to the console chassis internally If problems are encountered with earth loops operate the audio Ground Lift switches on connected equipment accordingly or disconnect the cable screens at one end usually at the destination Make sure that turntables are correctly earth...

Page 8: ...SCS008 Microphone Socket for DJX 300 MK I SMRESVRS050 Mic Level Rotary Control for DJX 300 MK I SMSWTSGS004 Master phono line Cue Switch for DJX 300 MK I SMRESVRS052 Line Gain Control for DJX 300 MK I CTHRDKBS001 Cue Switch Knob for DJX 300 MK I SMRESVRS035 Cross Faders for DJX 300 MK I SMMIXKBS001 Cross fader knob for DJX 300 MK I SMRESVSS012 Channel Faders for DJX 300 MK I SMRESVRS051 Treble Mid...

Page 9: ...BLOCK DIAGRAM OF IC USAGE THIS IC USED FOR INPUT AND OUTPUT STAGE OF MIXER LIKE MIC LINE PHONO INPUT MASTER AND BOOTH OUTPUT BA 4560 IC BARGRAPH IC LM339 ...

Page 10: ...6 IC no 7 IC no 8 Pin no 1 0 0 0 0 0 0 0 0 Pin no 2 0 0 0 0 0 0 0 0 Pin no 3 0 0 0 0 0 0 0 0 Pin no 4 13 56 13 56 13 56 13 56 13 54 13 54 13 49 13 49 Pin no 5 0 0 0 0 0 0 0 0 Pin no 6 0 0 0 0 0 0 0 0 Pin no 7 0 0 0 0 0 0 0 0 Pin no 8 13 56 13 56 13 56 13 48 13 46 13 46 13 48 13 49 IC pin no IC no 9 IC no 10 IC no 12 IC no 13 IC no 14 IC no 15 IC no 16 Pin no 1 0 0 0 0 0 0 0 Pin no 2 0 0 0 0 0 0 0 ...

Page 11: ...13 54 Pin no 2 13 18 13 44 13 55 Pin no 3 13 46 13 46 13 49 Pin no 4 0 1 0 81 0 27 Pin no 5 0 0 0 Pin no 6 0 39 1 22 0 55 Pin no 7 0 0 0 Pin no 8 0 15 0 0 38 Pin no 9 0 0 01 0 Pin no 10 0 29 1 22 0 1 Pin no 11 0 0 0 Pin no 12 13 45 13 52 13 43 Pin no 13 13 49 13 15 13 08 Pin no 14 13 34 13 54 13 54 ...

Page 12: ... R62 100K R63 10K R65 910R R66 750K R67 51K R64 10K R68 100K R69 10K R71 N F R72 LINK R70 10K R73 100K R74 10K R76 N F R77 LINK R75 10K 10uF 63V C68 10uF 63V C69 10uF 35V C71 10uF 63V C76 10uF 35V C78 10uF 63V C82 10uF 63V C83 10uF 63V C88 N F C90 J3 B 5 6 4 L R J3 A 2 3 1 L R N F C85 Shrikant SCHEMATIC OF PHONO IN LEFT RIGHT RIGHT LEFT GND GND PHONO 3 L PHONO 3 R LINE 3 L LINE 3 R TO FADER PCB CO...

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Page 18: ...3 While varied EQ control the bargraph also varied Please check the DC off set of pin no 1 and 7 IC 7 If bargraph is not working Please check the IC 16 may not working so please replace If IC 16 is ok and still the bar graph is not working Please check the R146 180 ohms If the R 146 ok and still bargraph LED not glowing Please check the IC 17 18 19 LM339 or the LED May be open please replace If DC...

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