SONY XR-4790/4800 free download

File name XR4790_4800.pdf

XR-4790/4800 SERVICE MANUAL US Model Canadian Model XR-4800 E Model XR-4790/4800 Photo: XR-4800 Model Name Using Similar Mechanism Tape Transport Mechanism Type NEW MG-25F-136 SPECIFICATIONS AUDIO POWER SPECIFICATIONS (US model) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 13 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1% total harmonic distortion. Cassette player section Tape track 4-track 2-channel stereo Wow and flutter 0.08% (WRMS) Frequency response 30 ­ 18,000 Hz Signal-to-noise ratio 58 dB Tuner section FM Tuning range AM (MW) Tuning range Antenna terminal Intermediate frequency Sensitivity AM tuning interval: 530 ­ 1,710 kHz (XR-4790, XR-4800: US, Canadian model) MW tuning interval: 9 kHz/10 kHz switchable 531­1,602 kHz (at 9 kHz step) 530 ­ 1,710 kHz (at 10 kHz step) (XR-4800: E model) External antenna connector 10.71 MHz/450 kHz. 30 µV FM tuning interval: 87.5 ­ 107.9 MHz (XR-4790, XR-4800: US, Canadian model) 50 kHz/200 kHz switchable 87.5 ­ 108.0 MHz (at 50 kHz step) 87.5 ­ 107.9 MHz (at 200 kHz step) (XR-4800: E model) Antenna terminal External antenna connector Intermediate frequency 10.7 MHz Usable sensitivity 8 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 65 dB (stereo), 68 dB (mono) Harmonic distortion at 1 kHz 0.5% (stereo), 0.3% (mono) Separation 35 dB at 1 kHz Frequency response 30 ­ 15,000 Hz Capture ratio 2 dB SW (XR-4800: E model) Tuning range SW tuning interval: SW1: 2,940 ­ 7,735 kHz SW2: 9,500 ­ 18,135 kHz (except for 10,140 ­ 11,575 kHz) Antenna terminal External antenna connector Intermediate frequency 10.71 MHz/450 kHz Sensitivity 50 µV ­ Continued on next page ­ XR-4790, XR-4800: US, Canadian Model FM/AM CASSETTE CAR STEREO XR-4800: E Model FM/MW/SW CASSETTE CAR STEREO MICROFILM Power amplifier section Outputs Speaker outputs (sure seal connectors) Speaker impedance 4 ­ 8 ohms Maximum power output 35 W Ч 4 (at 4 ohms) General Outputs TABLE OF CONTENTS 1. GENERAL Location of Controls (XR-4790) ... Location of Controls (XR-4800) ... Resetting the Unit ... Detaching the Front Panel ... Setting the Clock ... Installation (US, Canadian model) ... Installation (E model) ... Connection ... 3 4 5 5 5 6 7 8 Tone controls Power requirements Dimensions Mounting dimensions Mass Supplied accessories Power antenna control lead/Power amplifier control lead/Telephone ATT control lead (E model only) Rear line out (1) Bass ± 8 dB at 100 Hz Treble ± 8 dB at 10 kHz 12 V DC car battery (negative ground) Approx. 188 Ч 58 Ч 181 mm (7 1/2 Ч 2 3/8 Ч 7 1/4 in.) (w/h/d) Approx.