Aiwa HS-J170 - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

The AIWA HS-J170/JJ390 is a stereo radio cassette recorder designed for portable use, offering both playback and recording functionalities, along with a dual clock feature.

Function Description:

This device serves as a personal stereo system, allowing users to listen to FM/AM radio broadcasts and play back cassette tapes. It also has recording capabilities, enabling users to record from radio broadcasts or an external microphone onto cassette tapes. The dual clock function provides two independent time displays, which can be useful for various time-keeping needs.

Important Technical Specifications:

Frequency Range:
- HS-J170:
  - FM: 87.5/87.5 - 108.1/108 MHz (200/50 kHz STEP)
  - AM: 530/531 - 1600/1602 kHz (10/9 kHz STEP)
- HS-J390:
  - FM: 87.5/87.5 - 108.1/108 MHz (200/50 kHz STEP)
  - AM: 530/531 - 1610/1611 kHz (10/9 kHz STEP)
Maximum Output:
- 20mW + 20mW (EIAJ/16Ω)
- 15mW + 15mW (EIAJ/32Ω)
Power Source:
- Battery: DC 3V, R6P (LR6, SUM-3, AA) x 2
- Domestic AC power (using AC adaptor)
Battery Life (using manganese batteries R6P, SUM-3, AA):
- Approx. 2.5 hours (EIAJ recording mode)
- Approx. 4 hours (EIAJ, 1 mW output, playback mode)
Battery Life (using alkaline batteries LR6, AM-3, AA):
- Approx. 5 hours (EIAJ, recording mode)
- Approx. 8 hours (EIAJ, 1 mW output, playback mode)
Accessories: Stereo headphones, stereo microphone, belt clip (all x 1).
Dolby Noise Reduction: Manufactured under license from Dolby Laboratories Licensing Corporation. "DOLBY" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
EEC Compliance: This product is manufactured to comply with the radio interference requirements of EEC directive 82/499/EEC.

Usage Features:

Cassette Playback: Features a Cassette Holder, Reverse Mode Switch (for single or continuous auto-reverse), PLAY Button, and Stop/EJECT Button. It supports NORMAL/METAL-CrO2 tape types and includes a DOLBY NR/FM MODE Switch for noise reduction during playback.
Radio Reception: Equipped with a Step Selector Switch (AM STEP) to switch between 9/10 kHz and 50/200 kHz step frequencies, accommodating various countries. It has a Band Selector Switch (FM, AM) and TUNING/TIME SET Button for station selection. Up to five AM and five FM stations (total of 10) can be preset using the Station Preset Key (PRESET/CLOCK) 1-5 and STORE/SET Button.
Recording: Allows recording from radio or an external microphone (via the MIC jack). Recording is primarily made on the front side of the tape, with FWD displayed. Dolby NR does not function during recording. To prevent accidental erasure, tabs on the tape spine can be broken off; re-recording is possible by covering the hole with cellophane tape.
Dual Clock: Two built-in clocks can be displayed by pressing the Station Preset Key. The time can be set using the TUNING/TIME SET Button (UP/HOUR, DOWN/MIN) and STORE/SET Button.
Tone Controls: Features SUPER BASS, BASS, and TREBLE controls to adjust audio output according to user preferences. SUPER BASS emphasizes lower frequencies for greater power, BASS increases richness, and TREBLE enhances smoothness.
Portability: Designed for on-the-go use, with a belt clip accessory and battery operation.
Display: Clock/Frequency Display shows the current time or selected frequency, and a Station Preset Number Indicator shows the preset number. A Tape Direction Indicator (FWD/REV) shows the current tape direction.
Output: Includes a Headphone Jack (PHONES) for private listening and a DC Jack (DC-3V) for external power. It can also be connected to an AIWA SC-A70, ET-700, or SC-B10 speakers for amplified output.
Dubbing: Allows dubbing from this player to another cassette recorder by connecting them.

Maintenance Features:

Battery Care: When not in use for extended periods, batteries should be removed to prevent damage from leakage and ensure optimal battery life. Different types or old and new batteries should not be mixed.
Head Cleaning: The heads and tape path should be cleaned 2-3 times per month with a cotton swab moistened with cleaning fluid or denatured alcohol to maintain sound quality.
Tape Slack: Slack tape can be wound up with a pencil or similar tool to prevent jamming or breakage.
C-120 Tapes: The use of C-120 tapes is not recommended due to their thinness and susceptibility to damage.
Environmental Precautions:
- Avoid direct sunlight, leaving in a closed car in summer, or near heaters (A-1, A-2).
- Avoid high humidity areas like bathrooms.
- Avoid extremely cold places or prolonged exposure to outside air.
- Avoid dusty places, as this can impair performance.
Headphone Use: Ensure headphones are worn correctly (L on left, R on right) and avoid excessively high volume to prevent hearing damage. For safety, do not wear headphones while cycling or driving a motor vehicle.
Power Off: After listening to the radio, turn off the power using the Function Switch to POWER OFF.
AC Adaptor: When not using the unit for a long time, unplug the AC adaptor. For battery operation, the AC adaptor must be disconnected.