1. Pengenalan
This manual provides detailed instructions for the proper installation, operation, and maintenance of your Pioneer T-9090WR Double Cassette Deck. The T-9090WR is a high-fidelity stereo cassette deck featuring two independent tape transports (Deck I and Deck II), auto-reverse capability, and Dolby B/C noise reduction for superior audio performance. Please read this manual thoroughly before using the unit to ensure optimal performance and longevity.
2. Maklumat Keselamatan Penting
- Sumber Kuasa: Sambungkan unit hanya kepada saluran keluar AC voltage dinyatakan pada panel belakang.
- Pengudaraan: Ensure adequate ventilation. Do not block ventilation openings. Allow sufficient space around the unit for proper airflow.
- Air dan Kelembapan: Jangan dedahkan unit kepada hujan atau lembapan. Jangan letakkan objek yang diisi dengan cecair, seperti pasu, pada unit.
- Objek Asing: Jangan masukkan sebarang objek asing ke dalam bukaan unit.
- Servis: Jangan cuba servis unit ini sendiri. Rujuk semua servis kepada kakitangan perkhidmatan yang berkelayakan.
- Pembersihan: Disconnect the power cord from the outlet before cleaning. Use a soft, dry cloth. Do not use liquid or aerosol cleaners.
3. Persediaan dan Sambungan
3.1 Membongkar
Carefully remove the T-9090WR from its packaging. Retain all packing materials for future transport or storage.
3.2 Penempatan
Place the cassette deck on a stable, level surface away from direct sunlight, heat sources, and excessive dust. Ensure there is sufficient space around the unit for proper ventilation, especially above the top panel.
3.3 Sambungan Audio
Connect the T-9090WR to your amplifier or receiver using RCA audio cables. The unit features standard stereo RCA input and output jacks.
Figure 3.1: Rear panel connections. Connect the 'LINE OUT' jacks to an available 'TAPE IN' or 'AUX IN' on your amplifier. Connect the 'LINE IN' jacks to the 'TAPE OUT' or 'REC OUT' on your amplifier for recording.
- Sambungkan LINE KELUAR (red for right, white for left) on the T-9090WR to the PITA MASUK or AUX IN bicu pada anda amppenguat/penerima.
- Sambungkan BARIS MASUK (red for right, white for left) on the T-9090WR to the PITAM KELUAR or TERIMA KELUAR bicu pada anda amppenguat/penerima.
3.4 Sambungan Kuasa
After all audio connections are made, plug the power cord into a suitable AC outlet. The unit is now ready for operation.
4. Arahan Operasi
4.1 Loading and Unloading Cassettes
To load a cassette, press the LEPASKAN button for the desired deck (Deck I or Deck II). The cassette holder will open. Insert the cassette with the open edge facing forward and the tape side facing down. Gently push the cassette holder back until it clicks into place.
Figure 4.1: Front panel of Deck I with a cassette inserted.
Figure 4.2: Front panel of Deck II with a cassette inserted.
4.2 Main Semula Asas
- Insert a cassette into either Deck I or Deck II.
- Pilih input yang sesuai pada anda amplifier/receiver (e.g., TAPE or AUX).
- Tekan ke BERMAIN button (►) for the selected deck. The tape will begin to play.
- Untuk menghentikan main balik, tekan BERHENTI butang (■).
- Gunakan REWIND (◀◀) or CEPAT KE HADAPAN (►►) butang untuk menavigasi pita.
4.3 Auto-Reverse Function
The T-9090WR features auto-reverse, allowing continuous playback or recording on both sides of a cassette. The MOD REVERSE selector allows you to choose playback direction (forward, reverse, or continuous loop).
4.4 Rakaman
The T-9090WR allows recording on both Deck I and Deck II. Ensure your amplifier's REC OUT is connected to the deck's LINE IN.
- Insert a recordable cassette into the desired deck.
- Pilih sumber input pada anda amplifier that you wish to record (e.g., CD, Tuner).
- Tekan ke REC (●) button. The deck will enter record-pause mode.
- Laraskan TAHAP REC controls to ensure the recording level meters peak appropriately without distortion.
- Tekan ke BERMAIN (►) button to start recording.
- Untuk berhenti merakam, tekan BERHENTI (■) button.
4.4.1 Synchro Copy
This feature allows for synchronized recording from Deck I to Deck II. Load the source tape into Deck I and a blank tape into Deck II. Press the SYNCHRO COPY butang, kemudian tekan BERMAIN on Deck I and REC on Deck II.
4.4.2 High-Speed Copy
For faster duplication, the T-9090WR supports high-speed copying. Engage the HIGH SPEED COPY function during synchro copy for quicker dubbing.
4.5 Pengurangan Bunyi Dolby
The unit includes Dolby B and C noise reduction systems. Select the appropriate Dolby NR setting (DOLBY NR B or DOLBY NR C) to match the recording. If the tape was recorded without Dolby NR, set the switch to DIMATIKAN.
4.6 Auto Tape Selector
The T-9090WR automatically detects the type of tape (Normal, CrO2, Metal) inserted and adjusts equalization accordingly. Ensure the tape type is correctly identified for optimal playback and recording quality.
5. Penyelenggaraan
Regular maintenance ensures optimal performance and extends the life of your cassette deck.
5.1 Cleaning Tape Heads and Pinch Rollers
Dust and tape oxide can accumulate on the tape heads, pinch rollers, and capstans, leading to poor sound quality. Clean these components regularly (every 10-20 hours of use) using a cotton swab lightly dampened with isopropyl alcohol or a specialized head cleaning fluid.
Gambar 5.1: Dalaman view of Deck I mechanism, showing tape heads and pinch rollers.
Gambar 5.2: Dalaman view of Deck II mechanism, showing tape heads and pinch rollers.
- Tekan ke LEPASKAN butang untuk membuka pemegang kaset.
- Gently wipe the tape heads, capstans, and pinch rollers until clean.
- Biarkan komponen kering sepenuhnya sebelum memasukkan pita pelekat.
5.2 Demagnetization
Over time, tape heads can become magnetized, leading to increased noise and dull sound. Demagnetize the heads periodically (e.g., every 50-100 hours of use) using a specialized tape head demagnetizer. Follow the demagnetizer's instructions carefully.
5.3 Pembersihan Luaran
Lap bahagian luar unit dengan kain lembut dan kering. Untuk kotoran degil, gunakan kain ringan dampened with mild detergent solution, then wipe dry. Avoid abrasive cleaners or solvents.
6. Penyelesaian masalah
If you experience problems with your T-9090WR, consult the following table before seeking professional service.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa | Kord kuasa tidak disambungkan; Salur keluar kuasa rosak | Periksa sambungan kord kuasa; Cuba outlet lain |
| Tiada bunyi semasa main balik | Input yang salah dipilih pada amplifier; Audio cables loose or faulty; Volume too low | Select correct input (TAPE/AUX); Check RCA cable connections; Increase ampisipadu penguat |
| Kualiti bunyi yang kurang baik (kusam, tersekat-sekat) | Dirty tape heads; Worn tape; Incorrect Dolby NR setting | Clean tape heads and pinch rollers (Section 5.1); Try a different tape; Adjust Dolby NR setting |
| Tape not playing or winding | Tape jammed; Pinch rollers dirty; Mechanical issue | Eject and re-insert tape; Clean pinch rollers; If problem persists, seek service |
| Rakaman tidak berfungsi | LINE IN cables not connected; Input source not selected on amplifier; Tape write-protect tab engaged | Check LINE IN connections; Select correct source on amplifier; Cover the write-protect tab on the cassette with tape |
7. Spesifikasi
These specifications are typical and subject to change without notice.
- model: Pioneer T-9090WR
- Jenis: Stereo Double Cassette Deck
- Kepala Pita: Hard Permalloy (Recording/Playback), Ferrite (Erase)
- Motor: Motor Servo DC
- Pengurangan Bunyi: Dolby B, Dolby C
- Auto-Reverse: Yes, both decks
- Tape Type Selector: Automatic (Normal, CrO2, Metal)
- Respons Kekerapan: (Typical, depending on tape type)
- Normal: 20 Hz - 17 kHz
- CrO2: 20 Hz - 18 kHz
- Metal: 20 Hz - 19 kHz
- Nisbah Signal-to-Noise: (Dolby C ON) > 70 dB
- Wow dan Flutter: < 0.05% WRMS
- Input: Line In (RCA)
- Keluaran: Line Out (RCA), Headphones (6.3mm stereo jack)
- Keperluan Kuasa: AC 100V, 50/60 Hz (Japanese market model)
- Dimensi (W x H x D): Kira-kira 420 x 130 x 300 mm
- Berat: Kira-kira 5.5 kg
8. Waranti dan Sokongan Pelanggan
Specific warranty details for the Pioneer T-9090WR Double Cassette Deck are not provided in this document. For warranty information, service, or technical support, please refer to the warranty card included with your product or contact Pioneer customer service directly in your region. You may also visit the official Pioneer webtapak untuk sumber sokongan.