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General| Speaker Type | 2-Way Bass Reflex |
|---|---|
| Bluetooth | No |
| USB Playback | No |
| FM Tuner | Yes |
| CD Player | Yes |
| Tuner | FM/AM |
| Cassette Deck | No |
| Power Output | 50 W |
| Functions | CD, Radio |
| Speakers | 2 |
| Type | Mini Hi-Fi System |
Details audio power output and total harmonic distortion for amplifier sections.
Specifies parameters for the CD player, including laser and output characteristics.
Details recording system, laser, and frequency response for the tape deck.
Outlines specifications for FM and AM tuner sections, including tuning ranges.
Lists voltage and frequency requirements for different regions.
Details AC leakage testing procedures and limits for exposed metal parts.
Precautions for handling optical pick-up block and base unit due to electrostatic discharge.
Guidelines for safely checking laser diode emission from the optical pick-up block.
Provides high-level functional block diagrams for key sections like CD, Tuner, and Main.
Identifies and labels components and controls on the front panel of the unit.
Identifies and labels connectors and switches located on the rear panel of the unit.
Details the procedure for removing the upper case of the unit, including screw points.
Describes the steps for detaching the front panel assembly from the main unit.
Clears all preset data in RAM to initial conditions, used when returning the set to the customer.
Moves the pickup to a position durable to vibration for shipping or post-repair return.
Resets the set with preset data stored in memory, functioning like power cord unplug/replug.
Allows free movement of the CD sled motor, useful for cleaning the pickup.
Toggles AM channel step between 9kHz and 10kHz.
Details procedures for activating and operating the aging mode for the CD section.
Explains how to activate and operate the aging mode for the tape deck sections.
Covers azimuth and tape speed adjustments for deck sections.
Details high and normal speed adjustments for tape decks using a frequency counter.
Outlines the procedure for adjusting playback level using a level meter and test tape.
Explains how to adjust bias current for DECK B using an oscilloscope and level meter.
Details the process for adjusting record level for DECK B using an oscilloscope.
Details AM, FM, and FM Polar level adjustments for tuner sections.
Describes FM polar adjustment procedure for East European and CIS tuner models.
Covers focus bias and RF level checks for the CD section, using an oscilloscope.
Details the procedure for checking E-F balance and track jump in the CD section.
Illustrates the physical placement of various circuit boards within the unit.
Details the function of each pin for the µPD780018Y integrated circuit on the main board.
Lists pin functions for IC301 from pin 51 to 100, covering various controls and signals.
Details the function of each pin for the TMP87CH74 integrated circuit controlling the display.
