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SPHINX MYTH 11, Service Manual

Unlock the secrets of your Sphinx Myth 11 with the free Service Manual available for download at manualshive.com. This comprehensive manual provides detailed instructions for troubleshooting, maintenance, and repairs, ensuring that you can keep your device running smoothly for years to come. Download your manual today and unleash the full potential of your Sphinx Myth 11.

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SPHINX

 Myth 11                   Service Manual

21

  

Designator

Part Type

Description

P3L

200R

Adj. potmeter

P3R

200R

Adj. potmeter

P4L

500R

Adj. potmeter

P4R

500R

Adj. potmeter

Q1

BD879

Transistor

Q10L

2SC2705

Transistor

Q10R

2SC2705

Transistor

Q11L

2SA1145

Transistor

Q11R

2SA1145

Transistor

Q12L

2SC4382

Transistor

Q12R

2SC4382

Transistor

Q13L

2SA1668

Transistor

Q13R

2SA1668

Transistor

Q14L

2SK1529

Transistor

Q14R

2SK1529

Transistor

Q15L

2SJ200

Transistor

Q15R

2SJ200

Transistor

Q16L

2SC1775

Transistor

Q16R

2SC1775

Transistor

Q17L

2SK1529

Transistor

Q17R

2SK1529

Transistor

Q18L

2SJ200

Transistor

Q18R

2SJ200

Transistor

Q1L

2SK389

DUAL N-JFET

Q1R

2SK389

DUAL N-JFET

Q2L

2SC1775

Transistor

Q2R

2SC1775

Transistor

Q3L

2SC1775

Transistor

Q3R

2SC1775

Transistor

Q4

BC817

Transistor

Q4L

2SC1775

Transistor

Q4R

2SC1775

Transistor

Q5

BC817

Transistor

Q5L

2SA970

Transistor

Q5R

2SA970

Transistor

Q6

BC807

Transistor

Q6L

2SA970

Transistor

Q6R

2SA970

Transistor

Q7L

2SC2240

Transistor

Q7R

2SC2240

Transistor

Q8L

2SC2240

Transistor

Q8R

2SC2240

Transistor

Q9L

2SC2240

Transistor

Q9R

2SC2240

Transistor

R1

4k7

Resistor

R10

560R

Resistor

Summary of Contents for MYTH 11

Page 1: ...1 SERVICE MANUAL MYTH 11 STEREO POWER AMPLIFIER POWER STANDBY PROTECT...

Page 2: ...Rear panel 5 4 OPERATION 6 Power on 6 Power off 6 5 TECHNICAL SPECIFICATIONS 7 6 ADJUSTMENT PROCEDURES 8 Bias 8 Offset 8 7 PROBLEMS AND SOLUTIONS 9 8 DIAGRAMS AND PARTS LISTS 10 Measurement Set up 11...

Page 3: ...exterior quality inspection This ensures you will enjoy many years of high quality audio from a perfect looking product Attention The power amp weighs over 10 kg Never lift it out of the box without...

Page 4: ...h the component on and off 2 POWER LED Indicates the selected function stand by off amp on red 3 STANDBY LED Indicates the selected function stand by red amp on off 4 PROTECT LED Normally off When bli...

Page 5: ...label This shows important data for the component such as serial number and mains power voltage 6 OUTPUT L To connect the cable from the left loudspeaker red black 7 AC POWER Connect the power amp to...

Page 6: ...y it considerably increases the life span of the component Switch the Myth 11 on with the STANDBY button the LED 3 will extinguish and the POWER LED 2 will light If you activate the power amp for the...

Page 7: ...90 dB 1 20 000 Hz Slew rate 100 V s Damping factor 500 1 1 000 Hz Input Cinch unbalanced level nominal 1 25V 1 9 dBV Impedance 20 k Supply capacitance 26 000 F total per channel Power consumption 550...

Page 8: ...ntil the level is 8 mV Repeat this procedure after 20 minutes to finalise the adjustment Switch the oscillator on and set it to 1 kHz and a level of 0 dBV 1 V Check the distortion with a THD analyser...

Page 9: ...ease also send by fax or e mail the specific information to the Sphinx International Service Department see page 3 this info can then be added to the general database to aid others Problem Cause Solut...

Page 10: ...mplete set of schematic drawings including the associated parts lists if applicable hier massa doorslijpen RIGHT LEFT Tussen beide massa s een weerstand van 1R solderen Modificatie tegen brommen Massa...

Page 11: ...l 11 Measurement Set up GND GND Left Right MYTH 11 out1 out2 inp2 inp1 gnd THD Amplitude Frequency Oscillator THD out THD ANALYZER x y inp2 time div inp1 gnd SCOOP out1 out2 inp2 inp1 Scoop SWITCH BOX...

Page 12: ...h 11 Service Manual 12 General Overview Myth 11 Myth 11 protection M11 prot sch Myth 11 input M11 inp sch Myth 11 rectifier M11 rect sch Myth 11 amplifier left M11 ampl sch Myth 11 amplifier right M11...

Page 13: ...220n 250V C6 220n 250V C9 220n 250V C8 220n 250V C7 220n 250V C5 220u 63V D3 1N4007 D2 1N4007 2 1 2 1 2 1 2 1 FASE NUL 2 1 2 1 2 1 2 1 1 2 1 2 2 1 2 1 2 1 2 1 OUT1 OUT1 50V1 GND_BEV GNDOUT1 AC1_SEC1 A...

Page 14: ...R37L 100R R39L 0R22 5W R29L 68R R31L 0R22 5W R38L 68R R32L 47R 2W R40L 0R22 5W Q10L 2SC2705 C5L 10p Q11L 2SA1145 Q15L 2SJ200 Q18L 2SJ200 Q14L 2SK1529 Q17L 2SK1529 Q12L 2SC4382 Q13L 2SA1668 D6L 1N4007...

Page 15: ...2 5W R37R 100R R39R 0R22 5W R29R 68R R31R 0R22 5W R38R 68R R32R 47R 2W R40R 0R22 5W Q10R 2SC2705 C5R 10p Q11R 2SA1145 Q15R 2SJ200 Q18R 2SJ200 Q14R 2SK1529 Q17R 2SK1529 Q12R 2SC4382 Q13R 2SA1668 D6R 1N...

Page 16: ...SPHINX Myth 11 Service Manual 16 Input Output INPUT OPTO AMP_PHTRAN RSIG LSIG RGND LGND OPTO OPTO...

Page 17: ...100n R10 560R R13 560R DGND DGND DGND DGND DGND R12 2k2 R11 2k2 C14 100n Q1 BD879 D4 BYD77 led protect led stand_by power led LOW BIAS LOW BIAS DGND 50V D7 BYD17 D5 BYD17 C17 100n C18 100n C16 100n R...

Page 18: ...capacitor C15 330u 6V3 Electrolytic capacitor C16 100n MKT capacitor C17 100n MKT capacitor C18 100n MKT capacitor C19 1n MKT capacitor C19L 1n MKT capacitor C19R 1n MKT capacitor C1L 120p Styroflex...

Page 19: ...1PIN Electrolytic capacitor C3R 1u MKT capacitor C4 1u 16V Electrolytic capacitor C4 220n 250V MKT capacitor C40L 2200u 63V Electrolytic capacitor C40R 2200u 63V Electrolytic capacitor C41L 2200u 63V...

Page 20: ...9 220n 250V MKT capacitor C9L 100n MKT capacitor C9L 1PIN Connector C9R 100n MKT capacitor CN1 INPUT CINCH 2P D1 LED LED red D1 SB356 Diode D1L LED LED red D1R LED LED red D2 1N4007 Diode D2 LED LED r...

Page 21: ...sistor Q16L 2SC1775 Transistor Q16R 2SC1775 Transistor Q17L 2SK1529 Transistor Q17R 2SK1529 Transistor Q18L 2SJ200 Transistor Q18R 2SJ200 Transistor Q1L 2SK389 DUAL N JFET Q1R 2SK389 DUAL N JFET Q2L 2...

Page 22: ...istor R16L 56R Resistor R16R 56R Resistor R17 10k Resistor R17L 39R Resistor R17R 39R Resistor R18 390R Resistor R18L 3k3 Resistor R18R 3k3 Resistor R19 4k7 Resistor R19L 220R Resistor R19R 220R Resis...

Page 23: ...esistor R33L 10R 5W Resistor R33R 10R 5W Resistor R34L 10R 5W Resistor R34R 10R 5W Resistor R35L 220R Resistor R35R 220R Resistor R36L 100R Resistor R36R 100R Resistor R37L 100R Resistor R37R 100R Res...

Page 24: ...or Part Type Description R8 4k7 Resistor R8L 820R Resistor R8R 820R Resistor R9 10k Resistor R9L 22R Resistor R9R 22R Resistor REL1L SCHRA_4W Relay REL1R SCHRA_4W Relay S1 SWITCH SPST Switch S2 SWITCH...

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