Sony MZ-G750 free download

File name sony_MZ-G750_service_manual.pdf

MZ-G750/R700 SERVICE MANUAL Ver 1.0 2001. 01 Ver 1.0 2001. 01 AEP Model UK Model Tourist Model Hong Kong Model (Photo: MZ-G750) US and foreign patents licensed from Dolby Laboratories Licensing Corporation. Model Name Using Similar Mechanism Mechanism Type Optical Pick-up Name NEW MT-MZR700-172 LCX-4R SPECIFICATIONS MD recorder Audio playing system MiniDisc digital audio system Laser diode properties Material: GaAlAs MQW Wavelength: = 790 nm Emission duration: continuous Laser output: less than 44.6 µW (This output is the value measured at a distance of 200 mm from the lens surface on the optical pick-up block with 7 mm aperture.) Recording and playback time When using MDW-80 Maximum 160 min. in monaural Maximum 320 min. in stereo Revolutions 350 rpm to 2,800 rpm (CLV) Error correction ACIRC (Advanced Cross Interleave Reed Solomon Code) Sampling frequency 44.1 kHz Sampling rate converter Input: 32 kHz/44.1 kHz/48 kHz Coding ATRAC (Adaptive TRansform Acoustic Coding) ATRAC3-LP2 ATRAC3-LP4 Modulation system EFM (Eight to Fourteen Modulation) Number of channels 2 stereo channels 1 monaural channel Frequency response 20 to 20,000 Hz ± 3 dB Wow and Flutter Below measurable limit Inputs Microphone: stereo mini-jack, minimum input level 0.25 mV Line in: stereo mini-jack, minimum input level 49 mV Optical (Digital) in: optical (digital) minijack Outputs i: stereo mini-jack, maximum output level 5 mW + 5 mW, load impedance 16 ohm Radio (MZ-G750) Frequency range AM: 531-1,602 kHz FM: 87.5-108.0 MHz General Power requirements Sony AC Power Adaptor (supplied) connected at the DC IN 3 V jack: 230 V AC, 50/60 Hz (AEP model) 230-240 V AC, 50 Hz (UK/Hong Kong model) 100-240 V AC, 50/60 Hz (Other models) Nickel cadmium rechargeable battery NC-WMAA (supplied) LR6 (size AA) alkaline battery (not supplied) ­ Continued on next page ­ FM/AM PORTABLE MINIDISC RECORDER MZ-G750 PORTABLE MINIDISC RECORDER MZ-R700 9-873-045-11 2001A0400-1 © 2001. 1 Sony Corporation Audio Entertainment Group General Engineering Dept. 1 MZ-G750/R700 Battery operation time Battery life1) (MZ-G750) When recording2) Batteries NC-WMAA Nickel Cadmium rechargeable battery4) LR6 (SG) Sony alkaline dry battery 5) 1) (Unit: approx.hours) (EIAJ3)) Stereo LP2 LP4 4 6 7.5 96) 136) 166) Flexible Circuit Board Repairing · Keep the temperature of the soldering iron around 270°C during repairing. · Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). · Be careful not to apply force on the conductor when soldering or unsoldering. Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. The battery life may be shorter due to operating conditions and the temperature of the location. 2) When you record, use a ful