Sony hcd vr 90av service manual
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2 VIDEO CD/CD player sectionSystem Compact disc and digital audio and video system Laser Semiconductor laser (l=780nm) Emission duration: continuous Laser output Max. 44.6µW* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. Wave length 780 Ð 790 nm Frequency response 2Hz Ð 20kHz (±0.5dB) Signal-to-noise ratio More than 90 dB Dynamic range More than 90 dB Video color system format NTSC, PAL CD DIGITAL OUT (square optical connector jack, rear panel) Wave length: 660 nm Output level: Ð18dBm Tape player sectionRecording system 4-track 2-channel stereo Frequency response (DOLBY NR OFF) 40 Ð 13,000Hz (±3dB), using a Sony TYPE I cassette 40 Ð 14,000Hz (±3dB), using a Sony TYPE II cassette Wow and flutter ±0.15% W.Peak (IEC) 0.1% W.RMS (NAB) ±0.2% W.Peak (DIN) Tuner sectionFM stereo, FM/AM superheterodyne tuner FM tuner section Tuning range 87.5 Ð 108.0 kHz (100 kHz step) Antenna FM wire antenna Antenna terminals 75 W unbalanced Intermediate frequency 10.7 MHz AM tuner section Tuning range Middle Eastern model : 531 Ð 1,602 kHz (with the tuning interval set at 9 kHz) Other models : 531 Ð 1,602 kHz (with the tuning interval set at 9 kHz) 530 Ð 1,710 kHz (with the tuning interval set at 10 kHz) Antenna AM loop antenna, External antenna terminals Intermediate frequency 450 kHz GeneralPower requirements Thai model : 220 V AC, 50/60 Hz Other models : 120 V, 220V, or 230 Ð 240 V AC, 50/60 Hz Adjustable with voltage selector Power consumption 280 W Dimensions (w/h/d) Approx. 356 ´ 423 ´ 446 mm incl. projecting parts and controls Mass Approx. 15.0 kg Supplied accessories AM loop antenna (1) Remote RM-SV100AVB (1) R6 (size AA) batteries (2) FM wire antenna (1) Speaker cords (2) Video connecting cable Design and specifications are subject to change without notice.
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3 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior. The following caution label is located inside the unit. Laser component in this product is capable of emitting radiation exceeding the limit for Class 1. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. 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. Flexible Circuit Board Repairing ¥ Keep the temperature of soldering iron around 270ûC 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. MODEL IDENTIFICATION Ñ BACK PANEL Ñ ¥ Abbreviation IA : Indonesia model EA : Saudi Arabia model MY : Malaysia model SP : Singapore model TH : Thai model Parts No. NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick- up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. LASER DIODE AND FOCUS SEARCH OPERATION CHECK Carry out the ÒS curve checkÓ in ÒCD section adjustmentÓ and check that the S curve waveform is output four times. PARTS No. MODEL 4-214-793-0¹MY,SP 4-214-793-1¹EA 4-214-793-3¹IA 4-214-793-4¹TH