FISCHER MD-1a Technical Reference Manual Download Page 9

  Part No. 

Item Description  

 

 Quantity 

 

  12-0019 

3 x 6 Wet Pad    

 

2.00 

  15-0003 

Dual Patient Cordset 

  

1.00 

  21-0019 

TIP31B Transistor      

 

1.00 

  21-0023 

2N4124 Transistor        

1.00 

  21-0028 

1N4004 Diode     

 

3.00 

  21-0033 

V130LA2 Varistor      

 

1.00 

  21-0038B       3N255 Diode Network      

1.00 

  21-0044 

TIP47 Transistor       

 

1.00 

  21-0045 

1N4749 Zener Diode       

1.00 

  23-0015 

MV5053 Red LED 

 

1.00 

  23-0029 

Modutec T1S 1ma Meter 

1.00 

  27-0012 

LM324 Quad OP-Amp IC 

1.00 

  31-0028 

6.8K ohm 1/4W Resistor     

1.00 

  31-0030 

10K ohm 1/4W Resistor  

4.00 

  31-0037 

3.9K ohm 1/4W Resistor     

1.00 

  31-0044 

150 ohm 1W Resistor     

2.00 

  31-0045 

220K ohm 1/4W Resistor    

1.00 

  31-0046 

8.2K ohm 1/4W Resistor     

1.00 

  31-0050 

750 ohm 2W Resistor     

1.00 

  31-0062 

100K ohm 1/4W Resistor    

1.00 

  31-0075 

330K ohm 1/4W Resistor    

1.00 

  32-0004 

1K 3 1/4W Ceramic Resistor     1.00 

  38-0004 

10K 2W 53C3 Pot.         

1.00 

  41-0013 

100uf 100V Electrolytic       

1.00 

  41-0015 

100uf 250V Electrolytic       

2.00 

  41-0033 

33uf 25V Tantalum        

1.00 

  45-0015 

.005uf 50V Ceramic Disc   

1.00 

  45-0006 

.001uf AC By-pass        

1.00 

  45-0006A    

.001uf AC By-pass CSA  

2.00 

  54-0021 

ST-4-120 Transformer     

1.00 

  61-0015 

62021221 Rocker Switch   

1.00 

  61-0015a 

62022221 DPDT Switch   

1.00 

  61-0018 

DPST  Mini Curvette Switch      1.00 

  65-0001 

Black Banana Jack        

1.00 

  65-0031 

3AG Fuse Holder          

1.00 

  65-0039 

Red Banana Jack          

1.00 

  65-0056 

47745 Crimp Socket       

10.00 

  65-0076 

36 Pin "BergStik"     

 

0.30 

  65-0082 

10 Pin Contact Housing      

1.00 

  66-0014 

#10 Red Crimp Lug        

3.00 

  67-0020 

Hospital Grade Line Cord      

1.00 

  68-0024B    

MD-1a PCB Rev B          

1.00 

  69-0004 

3/8 Amp Slo-Blow Fuse  

1.00 

  77-0004 

Varflex #6 HO tubing 

 

1.50 

  81-0048 

TS-1/MD-1 Cabinet        

1.00 

  83-0022B        MD-1A Front Panel        

1.00 

  83-0059 

MD-1A Rear Panel         

1.00 

  88-0046 

Universal Knob   

 

1.00 

  91-0026 

Fuse Repl. Label        

 

1.00 

  91-0003 

Serial Number Plate      

1.00 

PARTS LIST 

Page 8 

Summary of Contents for MD-1a

Page 1: ......

Page 2: ...trols Page 3 Device Specifications Page 4 Device Maintenance Page 4 Device Inspection Page 5 Assembly Parts List Page 8 Schematic Diagram Page 9 MODEL MD 1a Galvanic Unit Technical Reference Manual CO...

Page 3: ...nding although the plug will fit typical grounded receptacles Because of its light weight and small size the MD 1 is very portable When relocating the unit for use however always be sure it is properl...

Page 4: ...witch will be exposed when the power is turned ON INTENSITY KNOB Adjust this knob to set the desired current level to be applied to the patient The actual current is indicated on the DC MILLIAMPERES m...

Page 5: ...Patient Override Control N A Indicator Display Unit Functioning Active lamp Current Level analog DC milliameter Meter ranges 0 10 DCma w 0 2ma resolution 0 50 DCma w 1 0ma resolution Meter Accuracy 20...

Page 6: ...Minimum intensity setting and turn on at a setting of 1 2 on the knob Verify operation of Polarity Reversal switch applies to units made after 1 1 2005 Switch in REV position will reverse polarity at...

Page 7: ...t Nominal readings appear below for reference Normal Polarity Normal Ground 5 uA Reverse Polarity Normal Ground 5 uA Normal Polarity Open Ground 10 uA Reverse Polarity Open Ground 10 uA Measure patien...

Page 8: ...pproximately 50 DCma at this this setting which will require a resistor rated at 2 5 Watts or higher Accept 40 58 DCma Verify meter reading on 0 10 scale With a 1K load resistance set the METER SCALE...

Page 9: ...Resistor 1 00 38 0004 10K 2W 53C3 Pot 1 00 41 0013 100uf 100V Electrolytic 1 00 41 0015 100uf 250V Electrolytic 2 00 41 0033 33uf 25V Tantalum 1 00 45 0015 005uf 50V Ceramic Disc 1 00 45 0006 001uf A...

Page 10: ...Page 9...

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