Sanyo RD 088 Service Manual

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Sanyo RD 088 Service Manual

Extracted text from Sanyo RD 088 Service Manual (Ocr-read)


Page 1

- 1 - CONTENTS Specifications ................................................................... 2 Arrangement .................................................................... 3 System connections ......................................................... 4 What to do if ..................................................................... 7 Laser beam safety precaution .......................................... 8 TUNER & AMPLIFIER SECTION Tuner adjustments ........................................................... 9 Exploded view .................................................................. 10 Parts list ........................................................................... 11 IC block diagram & description ........................................ 16 FL display description ...................................................... 19 Schematic diagram (Front) ........................................................................... 22 (Amplifier) ...................................................................... 26 (Tuner) .......................................................................... 30 Wiring diagram ( Power transformer, primary & secondary P.W.Board ) .......... 20 (Speaker, Headphone & Sub power transformer ) ........ 21 (Front) ........................................................................... 24 (Amplifier) ...................................................................... 28 (Tuner) .......................................................................... 32 Wiring connection ............................................................ 34 CD SECTION CD pick-up maintenance .................................................. 35 CD player adjustments ..................................................... 35 Exploded view (Cabinet & Chassis) ...................................................... 36 (CD mechanism) ........................................................... 39 (CD base mechanism) .................................................. 40 Parts list (Cabinet & Chassis) ...................................................... 37 (CD mechanism) ........................................................... 40 (CD base mechanism) .................................................. 40 Wiring connection ............................................................ 41 Schematic diagram (CD) ............................................................................... 42 Wiring diagram ( CD, Front & Open close switch ) ........................................ 44 IC block diagram & description ........................................ 48TAPE DECK SECTION Tape adjustments ............................................................ 49 Exploded view (Cabinet & Chassis) ...................................................... 50 (Tape mechanism) ........................................................ 54 Parts list (Cabinet & Chassis) ...................................................... 51 (Tape mechanism) ........................................................ 54 IC block diagram & description ........................................ 54 Wiring connection ............................................................ 56 Memo ............................................................................... 57 Schematic diagram (Tape deck) ................................................................... 58 Wiring diagram ( Deck, Deck switch, Deck switch 2 & Deck LED ) ................. 60 MD DECK SECTION Replacement and lubrication of the MD door ................... 62 IC block diagram & description ........................................ 62 Exploded view (Cabinet,Chassis & MD mechanism ) ........................... 66 Parts list (Cabinet & Chassis) ...................................................... 67 (MD mechanism) ........................................................... 68 Wiring connection ............................................................ 69 Schematic diagram (Front) ........................................................................... 70 (Power supply) .............................................................. 74 Wiring diagram (Front, LED1, & LED2) .................................................. 72 (Power supply) .............................................................. 75 FL display description ...................................................... 76

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- 2 - TAPE DECK SECTION (RD-X8/RD-088) Track system .................... 4-track, 2-channel stereo Frequency response ........ 50 Hz to 16 kHz (CrO 2 tape) 50 Hz to 15 kHz (Normal tape) Signal-to-noise ratio ......... 60dB (Dolby B NR ON) Wow/flutter ....................... 0.12%(WRMS) Fast forward/rewind time .. Approx.110 sec. (C-60) Power supply ................... Supplied from the Tuner/Amplifier Dimensions ...................... 225 (W) x 89(H) x 272 (D) mm Weight .............................. 2.0 kg TUNER/AMPLIFIER SECTION(JCX-X8/JCX-088) Reception frequency ........ FM : 87.5 - 108 MHz AM : 522 - 1,611 kHz Output power ................... 30W x 2 (at 6 ohm,10%distortion) Inputs ............................... VIDEO (AUDIO) : 500 mV/50k ohms MULTI MEDIA IN : 500 mV/50k ohms Outputs ............................. SPEAKERS : 6 ohms PHONES : 8 - 32 ohms SUB WOOFER OUT : 10k ohms Power requirements ......... AC 230V, 50 Hz Power comsumption ........ 80W 1.0W (Eco On standby mode) 15W (Eco Off standby mode) Dimensions ...................... 225 (W) x 89 (H) x 272 (D) mm Weight .............................. 3.6kg CD SECTION (CP-X8/CP-088, CD CHANGER) Type ................................. Changer, 3-disc Channels .......................... 2-channel stereo Sampling frequency ......... 44.1 kHz Pick-up ............................. Optical 3-beam semiconductor laser Laser output ..................... 0.6 mW (Continuous wave max.) Wave length ..................... 790 nm Frequency response ........ 20 Hz to 20 kHz Wow/flutter ....................... Below measurable limits Output .............................. OPTICAL DIGITAL OUT : Optical Power supply ................... Supplied from the Tuner/Amplifier Dimensions ...................... 225 (W) x 89 (H) x 272 (D) mm Weight .............................. 2.1 kg SPECIFICATIONS Specifications subject to change without notice. SPEAKER SYSTEM (SX-X8/SX-088) Type ................................ 3 way bass reflex Built-in magnetic stray field compensation Unit used ......................... Woofer : 15 cm cone type Mid range : 8 cm cone type Tweeter : 3.5 cm balance driver Maximum power-handling capacity .......................... 60W (peak) Nominal impedance ........ 6 ohms Dimensions ..................... 185 (W) x 358 (H) x 255 (D) mm MD DECK SECTION (MDG-X8/MDG-088) Sampling frequency ......... 44.1 kHz Pick-up ............................. Optical 3-beam semiconductor laser Laser output ..................... 6.85 mW (Continuous wave max.) Wave length ..................... 685 nm Wow flutter ....................... Below measurable limits Recording system ............ Magnetic moduration over write Input ................................. OPTICAL DIGITAL IN : Optical Power supply ................... Supplied from the Tuner/Amplifier Dimensions ...................... 225 (W) x 89 (H) x 272 (D) mm Weight .............................. 1.7kg