SERVICE MANUAL A A D D - - 6 6 0 0 0 0 Compact Disc Multi Player/Reverse Cassette Deck CONTENTS 1 SAFETY INFORMATION 2 SPECIFICATIONS 3 ADJUSTMENTS AND CHECKS 4 EXPLODED VIEWS AND PARTS LIST 5 PC BOARDS AND PARTS LIST 6 INCLUDED ACCESSORIES NOTES PC boards shown are viewed from parts side.
1 SAFETY INFORMATION This product has been designed and manufactured according to For U.S.A. FDA regulations "title 21, CFR, chapter 1, subchapter J, based on the Radiation Control for Health and Safety Act of 1968", and is classified as a class 1 laser product. There is no hazardous invisible laser radiation during operation because invisible laser radiation emitted inside of this product is completely confined in the protective housings.
2 SPECIFICATIONS CD player section (Audio) Number of channels..............2 Frequency response ........10 - 20,000 Hz ± 1 dB Signal-to-noise ratio ..............90 dB Dynamic range ..............90 dB Total harmonic distortion ........0.02% (1 kHz) Wow and flutter ......Unmeasurable (quartz accuracy) Channel separation ..............70 dB Output ................2 Vrms Digital filter ........8-times oversampling digital filter (Signal format)
3 ADJUSTMENTS AND CHECKS 3-1 CD PLAYER SECTION 3-1-1 Pitch control adjustment 1. Connect the frequency counter to the CD OUT. 2. Turn on a CD PITCH CONTROL switch at the stop mode. 3. Play the track 2 (1kHz, 0dB) of the MCD-111. 4.
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3-2 CASSETTE DECK SECTION Before performing adjustments and checks clean and demagnetize the entire tape path. In general, adjustments and checks are made in the order of Lch then Rch. Double REF. Nos. indicate Lch/Rch. (Example; R181/R182) 0dB is referenced to 0.775V. The AC voltmeter used in the procedures must have an input impedance of 1MΩ...
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Oscilloscope Distortion Analyzer Oscillator AC voltmeter 1kHz Filter AD-600 LINE IN LINE OUT Fig. 3-2 Basic test setup 3-2-1 Mechanical performance MEASURING POINTS, ITEM SETTING TEST TAPE ADJUSTMENTS RESULT 1. Wow and flutter PITCH CONTROL: Center MTT-111N Check 0.19% or less (WRMS)
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3-2-2 Playback performance Deck settings: TEAC test tapes: Mode: PLAY MTT-150C : For Dolby level calibration DOLBY NR Switch: OFF MTT-25702 : For playback frequency response check NORMAL tape PITCH CONTROL: Center MTT-5513 : For S/N check NORMAL tape MEASURING POINTS,...
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3-2-3 Recording performance Deck settings: TEAC recording test tapes: Mode: REC/PLAY MTT-5513 : For NORMAL DOLBY NR Switch: OFF MTT-5563 : For CrO2 PITCH CONTROL: Center SOURCE Switch: LINE REC LEVEL Control: Specified position (Item 2) MEASURING POINTS, ITEM SETTING...
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MEASURING ITEM SETTING INPUT SIGNAL ADJUSTMENTS REMARKS POINTS, RESULT Ratio of the 1kHz recorded Connection: Fig. 3-2 10. Erase 1kHz/ 1dB portion to the erased efficiency TAPE: MTT-5563 Check 60dB min. (870mV) portion. 1kHz B.P.F in Ratio of the 1kHz recorded 11.
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DOOR LID AD-600 DOOR CD1 AD-600 DOOR CD2 AD-600 DOOR CD3 AD-600 KNOB MAIN AD-600 KNOB DISC AD-600 KNOB CD OPEN AD-600 KNOB SKIP AD-600 KNOB REC LEVEL AD-600 KNOB VOLUME AD-600 KNOB EJECT AD-600 ROD POWER AD-600 WINDOW FLT AD-600...
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05.06.2003 DESCRIPTION HOOK,EJECT A W-780R BRACKET,EJECT A W-780R CD DRV ASSSEMBLY AD-600 CD MECHA ASSY,MGC-F3000 REINFORCING HARDWARE (S) SLIDER (LIFT) REINFOTCING HARDWARE (R) REINFOTCING HARDWARE(TOP) REINFOTCING HARDWARE (F) SHAFT (GEAR-C) SHAFT (HOLDER GEAR) SHAFT (HOLDER TRAY) PULLEY GEAR (TRAY MOTOR-A)