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Table of Contents
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Summary of Contents for SPHINX Myth 1
- Page 1 SERVICE MANUAL MYTH 1 PREAMPLIFIER PHONES LINE 1 LINE 3 VIDEO MUTE TUNER LINE 2 LINE 4 TAPE / MON STANDBY...
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Page 2: Table Of Contents
6. TECHNICAL SPECIFICATIONS......................9 7. ADJUSTMENT PROCEDURES......................10 Offset ................................. 10 8. PROBLEMS AND SOLUTIONS .......................11 9. DIAGRAMS AND PARTS LISTS......................12 General Overview Myth 1........................... 13 Power Supply............................. 14 Input / Output ............................. 15 Amplifier Left .............................. 16 Amplifier Right............................17 Controller ..............................18 Keyboard.............................. -
Page 3: Unpacking
If you need independent sections: one for the digital control, to transport your Myth 1 at a later time it will be best plus one each for the left and right channel. protected by the original packing materials. -
Page 4: The Pre-Amp At A Glance
SPHINX Myth 1 Service Manual 3. THE PRE-AMP AT A GLANCE Front panel PHONES LINE 1 LINE 3 VIDEO MUTE TUNER LINE 2 LINE 4 TAPE / MON STANDBY 1. CD: To select the CD input. The red LED will 10. -
Page 5: Rear Panel
TAPE IN: Connect this input to the output of the 13. Warning!: This shows important information recorder. about the safety regulations for the Myth 1. LINE 4: To connect the signal cable from the signal source for LINE 4. 14. AC Power: Connect the mains cable to a mains power outlet (100 - 240 VAC). -
Page 6: Operation
Once you have finished connecting all components, The new input becomes active after you have you can power on the Myth 1 with the mains switch selected it. You will hear a 'click'. This is caused by O / I (14) . -
Page 7: Sphinx Remote Control
Service Manual 5. SPHINX REMOTE CONTROL This single Sphinx Remote Control lets you control all functions: not only of the Myth 1, but of all other Sphinx equipment. Only the following buttons and indications on the Remote apply to the Myth 1 (the others will not... -
Page 8: Operation
SPHINX Myth 1 Service Manual Operation Encountering problems... The Sphinx Remote is used with several different models and can therefore transmit different control codes, depending on which model has been Remote Control does not work selected with the select buttons (1). -
Page 9: Technical Specifications
This unit conforms to the EMC interference regulations issued by the EU and to the CE standards. This unit complies with safety regulation VDE 0860 and therefore with international safety regulation IEC 65. Technical specifications may be changed by SPHINX without prior notice if technical developments make this necessary. -
Page 10: Adjustment Procedures
SPHINX Myth 1 Service Manual Offset 7. ADJUSTMENT PROCEDURES The Offset adjustment procedure minimises the DC The Myth 1 only has one parameters for each offset value of the amplifier output. channel (so two in total) that might need adjustment: •... -
Page 11: Problems And Solutions
8. PROBLEMS AND SOLUTIONS Please also send (by fax or e-mail) the specific At the moment of writing the Myth 3 has no known information to the Sphinx International Service specific problems. Department (see page 3): this info can then be If in the future you encounter any problem(s) you added to the general database to aid others. -
Page 12: Diagrams And Parts Lists
SPHINX Myth 1 Service Manual 9. DIAGRAMS AND PARTS LISTS The next pages contain the front and rear panel lay- out and a complete set of schematic drawings including the associated parts lists (if applicable). -
Page 13: General Overview Myth 1
SPHINX Myth 1 Service Manual General Overview Myth 1 m1-ampr.sch Myth 1 right channel m1-io.sch Myth 1 input / output m1-ampl.sch Myth 1 left channel TO-AMPR TO-AMPR TO-AMPR TO-AMPR TO-AMPL TO-AMPL TO-AMPL TO-AMPL LINE-OR LINE-OR LINE-OR LINE-OR LINE-OL LINE-OL LINE-OL... -
Page 14: Power Supply
SPHINX Myth 1 Service Manual Power Supply 7818 +26V Vout +18V 100N 100N 100N 1N4007 100N 100N 100N 100N 100N DGND -26V E$23 MOTOR1 100N KAST1 MOTOCHAS E$22 MOTOR2 SW1A 115_230 +5V_OUT 100N 100N SW1B 115_230 100N 100N RE/BR KAST2... -
Page 15: Input / Output
SPHINX Myth 1 Service Manual Input / Output LINE2 LINE1 TUNER LINE4 LINE3 VIDEO TAPE OUT TAPE IN R42R R43R R44R R45R R40R R41R R46R R47R R48R L2/L1A L2/L1B TUNER/CD1A TUNER/CD1B U$14.1A U$14.2A TAPE1A TAPE1B 475R R42L R43L R44L R45L... -
Page 16: Amplifier Left
SPHINX Myth 1 Service Manual Amplifier Left Q32L BD679 R69L +26V 100N 100N 100N R10L R14L R16L R18L R67L 475R C39L 475R 4K75 C16L C18L C14L D19L C41L C42L AGND AGND AGND Q13L AGND AGND ZF20 10U/100V A872 A872 C12L... -
Page 17: Amplifier Right
SPHINX Myth 1 Service Manual Amplifier Right Q32R BD679 R69R +26V 100N 100N 100N R10R R14R R16R R18R R67R 475R C39R 475R 4K75 C16R C18R C14R D19R C41R C42R AGND AGND AGND Q13R AGND AGND ZF20 10U/100V A872 A872 C12R... -
Page 18: Controller
SPHINX Myth 1 Service Manual Controller DGND 7805 +12V Vout 100N 100N 100N 100N RESET DGND 8MHz 100N TPIC6595 DGND SFH506 DGND 680P DGND UNDVT OUT_L3 680P OUT_L4 OUT_L1 ANA2 OUT_L2 680P LED5 ANA1 OUT_CD LED4 OUT_TU LED3 SER OUT... -
Page 19: Keyboard
SPHINX Myth 1 Service Manual Keyboard ANA1 ANA2 220R 220R 220R 330R 470R 220R 220R 220R 330R 470R DGND DGND 390R 390R 390R 390R 390R 390R 390R 390R 390R 390R 390R 390R LEDS OUTP... -
Page 20: Parts List
SPHINX Myth 1 Service Manual Parts list Designator Part Type Description 470U/16V Electrolitic capacitor 100N MKT capacitor C10L MKT capacitor C10R MKT capacitor 100N MKT capacitor C11L MKT capacitor C11R MKT capacitor Electrolitic capacitor C12L MKT capacitor C12R MKT capacitor... - Page 21 SPHINX Myth 1 Service Manual Designator Part Type Description 100N MKT capacitor 2200U/63V Electrolitic capacitor 100N MKT capacitor 100N MKT capacitor 100N MKT capacitor C35L 10U/100V Electrolitic capacitor C35R 10U/100V Electrolitic capacitor C36L 10U/100V Electrolitic capacitor C36R 10U/100V Electrolitic capacitor...
- Page 22 SPHINX Myth 1 Service Manual Designator Part Type Description 1N4148 Diode 1N4148 Diode 1N4148 Diode 1N4148 Diode 1N4148 Diode D16L ZF20 Zener Diode D16R ZF20 Zener Diode D17L ZF20 Zener Diode D17R ZF20 Zener Diode D18L 1N4148 Diode D18R 1N4148...
- Page 23 SPHINX Myth 1 Service Manual Designator Part Type Description 1PIN 1PIN 1PIN 1PIN 1PIN 1PIN 1PIN 1PIN L2/L1 CINCH-MYTH4P CINCH LINE_OUT CINCH-MYTH4P CINCH OPTO1 AMP_PHDIOD Optical output OPTO2 AMP_PHDIOD Optical output 2 X 20K Stereo motor potmeter Adj. Potmeter Adj. Potmeter...
- Page 24 SPHINX Myth 1 Service Manual Designator Part Type Description BC807 Transistor A872 Transistor A872 Transistor Resistor 220R Resistor R10L Resistor R10R Resistor 330R Resistor R11L Resistor R11R Resistor 470R Resistor R12L Resistor R12R Resistor 390R Resistor R13L Resistor R13R Resistor...
- Page 25 SPHINX Myth 1 Service Manual Designator Part Type Description 390R Resistor R24L Resistor R24R Resistor Resistor Resistor Resistor R26L 4R99 Resistor R26R 4R99 Resistor Resistor R27L Resistor R27R Resistor Resistor R28L Resistor R28R Resistor Resistor R29L Resistor R29R Resistor 475R...
- Page 26 SPHINX Myth 1 Service Manual Designator Part Type Description R48R Resistor Resistor Resistor 330R Resistor Resistor Resistor 470R Resistor R67L 4K75 Resistor R67R 4K75 Resistor R68L 4K75 Resistor R68R 4K75 Resistor R69L Resistor R69R Resistor 475R Resistor 475R Resistor Resistor...
- Page 27 SPHINX Myth 1 Service Manual Designator Part Type Description SWITCH-DPST Switch 115_230 Switch TAPE1 CINCH-MYTH4P CINCH TUNER/CD1 CINCH-MYTH4P CINCH U$14.1 CINCH-MYTH4P CINCH U$14.2 CINCH-MYTH4P CINCH 7805 Voltage regulator 7818 Voltage regulator ADM705 MAX705 87C752 Microprocessor TPIC6595 Shift register TPIC6595 Shift register ©1999 Audioscript BV...