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Very Good! All the diagram are easy to read, and its complete.
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This was an excellent source of detailed assembly information on a device which is at least 12 years old. A very lucky find, coupled with great service.
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Excellent Service Manual and best price on the Internet. This Service Manual covers everything you could ever need including full circuit schematics, component layout diagrams, stripdown procedure and full parts list/breakdown. I needed this to carry out a modification to one of these headunits and this manual covered everything I needed. Fast delivery, processed within a few hours.
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Thought I would never find a copy of the Technics SX-EN2 Service Manual until I found Owner-Manuals.com. Price was very fair and I received the download promptly. While a photocopy, it is quite readable and includes all the pertinent information and diagrams. Thank you Owner-Manuals!
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I really like this manual and it's reliable.I found and bought easly.thank you.
KDC-205/CR, 226 KDC-2026, 3026/R
COMPONENTS DESCRIPTION
� SWITCH UNIT (X16-2460-21/2470-xx)
Ref No. IC1 IC2 Q1 Q2 Q3 Application/Functions LCD driver Sensor Key scan detect LED SW LED SW Operation/Condition/Compatibility LCD derive & Key input interface Remote control sensor key scan start at base gose �L�. When Q2 base gose �H� LED is light on RED Color When Q2 base gose �H� LED is light on GREEN Color
� CD PLAYER UNIT (X32-5490-00)
Ref No. IC1 IC2 IC3 IC4 Q2 Q3 Q4 Application/Functions Mechanism control SW3.3V AVR CD DSP & servo IC BTL driver SW APC SW Operation/Condition/Compatibility When BU5V & MSTOP (12pin) goes �H� (IC1 is active) When CNTL (1pin) goes �H� (SW3.3V AVR : ON) CD RF amp, Servo, DSP & DAC Focus, tracking coil, Sled & Spindle motor driver IC SW5V SW transistor Auto Power Control EQ SW transistor
� ELECTRIC UNIT (X34-3100-21/3110-xx)
Ref No. IC1 IC4 IC6 IC7 IC8 IC10 IC11 IC12 Q10 Q20 Q40 Q50 Q51 Q53 Q55 Q70 Q101 Q102 Q201 Q223,224 Q251 Q252 Q253 Q501 Q502 Q503 Application/Functions System control IC Audio power IC RDS decoder Power supply IC Muting logic IC E-VOL & tuner IC Reset IC E2PROM BU detector ACC detector Muting driver foe Q223, 224 SW5V SW Control SW for SERVO +B SERVO +B AVR Serge detector DSI illumination SW Panel 5V SW Noise buffer Preout muting SW SW Smeter RC & MPTHTC SW Smeter RC & MPTHTC SW AM RF amplifier FM RF amplifier MPX buffer Operation/Condition/Compatibility System control microprocessor Audio power amplifier RDS decoder IC Multi AVR IC (for 5V, 8V, P-CON & P-ANT) Control for MUTE, P-ANT & RESET muting E-VOL. FM/AM tuner & stereo decoder When BU5V line voltage is less than 3.5V, this IC output line is �L� Memorized tuner adjustment data (save & load) When the base goes �H� during BU applied (ON) When the base goes �H� during ACC applied (ON) When the base goes �L� (Muting : ON) When the base goes �L� (SW5V : ON) Control SW for IC7 When the base goes �H� (Servo +B : ON) Servo AVR (7.4V) When the base goes �H� (Serge detection) When the base goes �L� (DSI illumination : ON) When the base goes �L� (Panel 5V : ON) Tuner audio noise buffer amplifier When the base goes �H� (Preout muting : ON) When the base goes �L� (IC4 : ON) RC & TC is �LONG� when the base is �H� (base is �L� is AF search) When collector is �H�, emitter is �H� When the base goes �H� (RF circuit gain is up) When the base goes �H� (RF circuit gain is up) MPX input buffer with RDS
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