DYNACO MARK VI Instructions For Assembly Operation Download Page 23

PARTS LIST

 

Parts  of  a  similar  type  which  do  not  change  performance 

will sometimes be included as a matter of expediency. This 

will account for slight variations in value and appearance.

 

PART#

 

1    Bottom Plate, black, steel, U-shape 

711049

 

1    Cover, black, perforated steel 

711050

 

1  Front panel, rack mount 

711051

 

      alternate 

(Japan) 1 Front Panel 

711056

 

2  Handle, black, steel 

711052

 

      alternate 

(Japan) 2 Handle 

864049

 

1    Bracket, control, black, L-shape 

711053

 

1    Chassis, black, steel 

711055

 

      alternate 

(Japan) 1 Chassis 

711048

 

1    Transformer, output 

454355

 

      alternate 

(Japan) 1 Output Transformer                   

454354

 

1    Transformer, power 

464023

 

       alternate 

(Japan) 1 Power Transformer                   

464017

 

Choke Assembly 

423355

 

4    Bracket, round, capacitor 

717001

 

2    Capacitor, 50 mfd, 300 volts 

285506

 

2  Capacitor, 100 mfd, 300 volts 

285107 

1    Capacitor, 50/50 mfd, 450 volts 

297107 

1    Circuit Board Assembly, PC-44 

957044 

1    Connector, input, female XLR 

357001 

4    Foot, rubber 

859757 

1    Fuse Holder, round, with hardware 

341001 

1    Fuse Holder, square 

341077 

3  Grommet, rubber, black 

895003 

1    Jack, output, plastic 

355013 

1    Label, serial number, kit 

8980H 

1    Line Cord 

322091 

1    Meter 

508031 

1    Potentiometer, 100,000 ohms 

144104 

1    Potentiometer, 10,000 ohms 

145103 

4  Socket, 8-pin, tube (standard octal) 

398008 

1    Socket, 9-pin, tube (small saddle) 

399010 

1    Socket Strip, dual input 

355002 

1    Switch, meter, rotary 

333169 

1    Switch, power, lighted toggle 

331103 

1    Strain Relief, plastic 

895010 

1    Terminal Barrier Strip, 4 screw 

374007 

3    Terminal Strip, 2 lug 

372002 

3   Terminal Strip, 6 lug 

375010 

1    Tube, 6N030T, time delay 

514003 

1    Tube, 7199, driver-inverter 

517004 

4  Tube, 8417, output, matched 

517008 

1    Cable, shielded, audio, 2 ft. 

1    Wire, #20 hookup, black, 15 1/2 ft.  

1  Wire, #16 hookup, yellow, 8 ft. 

1    Warranty Card, kit  

1    Instruction Manual 

DIODE-FUSE ASSEMBLY 

997163

 

1    Diode, 1N541 

543541

 

1    Diode, 1 A, 200 PRV 

544012

 

4    Diode, 3 A, 1,000 PRV 

544323

 

       alternate 4 Diode, 3 A (with red dot) 

544322

 

2    Fuse, 5 A, AGC/3AG 

342025

 

1    Insulator, input socket strip 

875002 

1    Lamp, meter 

526001 

2    Socket, meter lamp 

386004 

2    Tubing, insulating, % 

893003 

5    Wire Tie, plastic 

894003

 

CAPACITOR-RESISTOR ASSEMBLY 

997162 

2    Capacitor, .02 mfd disc 

227203 

1    Capacitor, .05 (or .047 mfd) mylar 

265473 

1    Capacitor, 50 mfd, electrolytic 

284506 

4    Resistor, 220,000 ohms, 1/2 w. 
              (red-red-yellow) 

112224 

4    Resistor, 1,000 ohms, 1/2 w. 
              (brown-black-red) 

113102 

1    Resistor, 12,000 ohms, 1/2 w. 
              (brown-red-orange) 

113123 

              alternate (Japan), 1    15,000 ohms, 1/2 w. 
              (brown-green-orange) 

113153 

2    Resistor, 5,600 ohms, 1/2 w. 
 

(green-blue-red) 

113562 

alternate (Japan) 2    7,500 ohms, 1/2 w. 

              (violet-green-red) 

113752 

1    Resistor, 10,000 ohms, 1 w. 
              (brown-black-orange) 

115103 

2    Resistor, 18,000 ohms, 1 w. 

              (brown-gray-orange) 

115183 

1    Resistor, 240,000 ohms, 1 w. 

              (red-yellow-yellow) 

116241 

8    Resistor, 22 ohms, 2 w. (red-red-black) 

118220 

1    Resistor, 620 ohms, 2 w. (blue-red-brown) 

118621 

1    Resistor, 7.8 (or 7.87) ohms, 3-5 w., 1% 

120078 

1    Resistor, 2,940 ohms, 1/2 w., 1% 
              (red-white-yellow-brown) 

130294

 

HARDWARE ASSEMBLY 

997164

 

30    #4-40 x 5/16

 

binder head machine screw 

 611254

 

  2    #4-40 x 3/8 oval head machine screw 

   611264

 

38    #4-40 

KEP 

nut 

 615244

 

8     #6-32 x 5/8 binder head machine screw 

   611304

 

4     #6-32 1 1/8 binder head machine screw 

   611314

 

12   #6-32 

KEP 

nut 

 615304

 

 8    #10-32 x 1/4 binder head machine screw

 

      (black) 

611547

 

 4    #10-32 x 1/2 truss head machine screw

 

      (black) 

6H587

 

 8    #10-32 x 3/8 

SEMS 

machine screw

 

      (lockwasher attached) 

613564

 

 2    #10-32 nut 

615564

 

10   #10 solder lug 

639309

 

12   1/4-20 x 3/4 truss head machine screw 

611602 

       alternate (Japan) 4    1/4-20 x 3/4 truss

 

       head machine screw 

611602

 

 8    1/4-20 KEP nut 

614674

 

 3    Lockwasher, 3/8 thin 

617065 

 4    Nut, 3/8 

614065 

 4     Spacer, 3/4 tubular 

660062

 

 6     Washer, large flat 

6I6601

 

23

 

Summary of Contents for MARK VI

Page 1: ......

Page 2: ......

Page 3: ...of 120 watts with less than 1 total harmonic distortion Frequency Response 0 1 dB 10 Hz to 40 kHz 1 watt Intermodulation Distortion 1 or less at rated power using 60 Hz and 7000 Hz Mixed 4 1 Distorti...

Page 4: ...ent on any flat sur face The amplifier should be installed where the front panel is accessible If the Mark VI is to be mounted near a phono graph check to make sure that the phono cartridge does not p...

Page 5: ...ble if high signal levels are wanted Lacking more definitive advice a rough test is to place your hand in front of the woofer when playing a loud passage at your antici pated listening level If you ca...

Page 6: ...o cool undisturbed ALL SOLDERING MUST BE DONE WITH A GOOD GRADE OF ROSIN CORE SOLDER Under no circumstances should acid core solder be used Unmarked solder cheap solder or any of doubtful origin shoul...

Page 7: ...ottom edge of the inside surface turns toward you The three parts attached to this bracket will be mounted from the inside 2 Select the 10 000 ohm control part 145103 a 3 8 nut and a 3 8 thin lockwash...

Page 8: ...the remaining eight sets of 4 hardware and install the four capacitor brackets on the top out side of the chassis as shown in the sketch Do not tighten any hardware 20 Select the two 50 mfd 300 v and...

Page 9: ...Connect the corresponding end of the other wire to V3 pin 7 S 2 Connect a wire at the free end to V4 pin 2 Connect the remaining end to V4 pin 7 4 Select the remaining yellow pair and connect the 1 1...

Page 10: ...90 to its body and cut it to 1 cm Connect the bent lead end to V5 pin 4 S Connect the other lead to T 2 lug 3 at the tip 10 27 Select another 22 ohm 2 watt resistor red red black Bend one lead 90 to i...

Page 11: ...under terminal strip T 3 and connect it to power fuse lug 1 S 12 Select the red yellow lead from the power trans former and also feed it under terminal strip T 3 Bend a hook at the free end and connec...

Page 12: ......

Page 13: ...0 ohms 1 2 w 1 130294 D101 Diode 1 a 200 prv 544012 D102 Diode 3 a 1 000 prv 544323 D103 Diode 3 a 1 000 prv 544323 D104 Diode 3 a 1 000 prv 544323 D105 Diode 3 a 1 000 prv 544323 D106 Diode 1N541 Ger...

Page 14: ...T 5 lug 12 at the tip Connect the other lead to T 5 lug 9 at the base 34 Prepare a 6 1 2 16 5 cm yellow wire and connect one end to T 5 lug 9 at the base S 2 Feed it through hole G3 The other end will...

Page 15: ...spacers Insert two of the screws first through the bracket assembly from inside the bend and mount the bracket over the two front holes from outside the chassis between the transformers so that the co...

Page 16: ...V4 pin 6 and V5 pin 6 should be arched in the air away from other components and wires Note however that the shielded cable connected to the input sockets may come in contact with the black wire conn...

Page 17: ...carefully remove the two 1 2 10 black screws which have loosely attached the front panel assem bly to the chassis and allow the speaker fuse and the power switch to support the panel Now select the b...

Page 18: ...the amplifier is used continuously Biaset should be checked at least weekly If the amplifier is in a mobile instal lation we recommend checking the Biaset every time the amplifier is set up in a new...

Page 19: ...n connection from the bias supply to this tube If there is a single glowing tube and no TVM or VTVM is available it is easy to find the fault by interchanging tubes If any tube in the same socket exhi...

Page 20: ...etrimen tal effect on performance Therefore these voltage measure ments are only approximate and may vary widely These bias voltages must be measured with a TVM or VTVM These measurements must be iden...

Page 21: ...nsformer has tapped dual primary windings They are connected in parallel for 100 and 120 volts and in series for 220 and 240 volts The notes to step 11 on page 11 and steps 4 and 7 on page 17 the sket...

Page 22: ...ut for its return The warranty on the transformers is void if the leads have been cut too short for re use Dynaco maintains a Technical Services Department to help you locate the source of and possibl...

Page 23: ...1 Warranty Card kit 1 Instruction Manual DIODE FUSE ASSEMBLY 997163 1 Diode 1N541 543541 1 Diode 1 A 200 PRV 544012 4 Diode 3 A 1 000 PRV 544323 alternate 4 Diode 3 A with red dot 544322 2 Fuse 5 A AG...

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