HCD-DX20/RG30
Tape deck sectionNOTES ON HANDLING THE OPTICAL PICK-UP
Recording system4-track 2-channel stereoBLOCK OR BASE UNIT
Frequency response40 � 13,000 Hz (?3 dB), using Sony TYPE I
cassetteThe laser diode in the optical pick-up block may suffer electrostatic
Tuner sectionbreak-down because of the potential difference generated by the
FM stereo, FM/AM superheterodyne tunercharged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
FM tuner sectionuse the procedure in the printed matter which is included in the
Tuning range87.5 � 108.0 MHzrepair parts.
AntennaFM lead antennaThe flexible board is easily damaged and should be handled with
Antenna terminals75 ohm unbalancedcare.
Intermediate frequency10.7 MHz
AM tuner sectionNOTES ON LASER DIODE EMISSION CHECK
Tuning range
European and Middle Eastern models:The laser beam on this model is concentrated so as to be focused on
531 � 1,602 kHz (with the interval set at 9 kHz)the disc reflective surface by the objective lens in the optical pick-
Other models:531 � 1,602 kHz (with the interval set at 9 kHz)up block. Therefore, when checking the laser diode emission, ob-
530 � 1,710 kHz (with the interval set at 10 kHz)serve from more than 30 cm away from the objective lens.
AntennaAM loop antenna
Antenna terminalsExternal antenna terminalLaser component in this product is capable
Intermediate frequency450 kHz
of emitting radiation exceeding the limit for
GeneralClass 1.
Power requirements
European models:230 V AC, 50/60 Hz
Mexican models:120 V AC, 50/60 Hz
Other models:120 V, 220 V or 230 � 240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption
European models:110 watts
0.5 watts (at the Power Saving Mode)
Other models:110 wattsThis appliance is classified as a CLASS 1 LASER product. The
Dimensions (w/h/d)Approx. 280 x 325 x 421 mmCLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
Mass
European models:Approx. 8.5 kgCAUTION
Other models:Approx. 8.5 kgUse of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radia-
Supplied accessories:AM loop antenna (1)tion exposure.
Remote Commander (1)
Batteries (2)
FM lead antenna (1)Notes on chip component replacement
Front speaker pads (8)Y Never reuse a disconnected chip component.
Y Notice that the minus side of a tantalum capacitor may be
Design and specifications are subject to change without notice.damaged by heat.
Flexible Circuit Board Repairing
Y Keep the temperature of soldering iron around 270uC
during repairing.
Y Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
Y Be careful not to apply force on the conductor when soldering
or unsoldering.
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ACEC
SONY
