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General| Damping Factor | 50 |
|---|---|
| Tuning Range | FM, MW |
| Input Sensitivity | 2.5mV (MM), 150mV (line) |
| Signal-to-Noise Ratio | 90 dB |
| Channel Separation | 50dB (1kHz) |
| Speaker Load Impedance | 4 to 16 ohms |
Block diagram for the QRX-8001 model, showing signal paths.
Block diagram for the QRX-9001 model.
Details on Dolby operation for Rec and Play modes.
Explains the FM Dolby system, SNR improvement, and operating principles.
Lists complementary items for FM Dolby system usage.
Lists abbreviations and procedures for audio section adjustments.
FM/MPX and AM IF adjustments and alignment procedures.
Procedures for power meter adjustment and FM/MPX alignment.
FM IF adjustment and tracking for QRX-8001.
Identifies adjustment points on the F-2590 circuit board.
FM IF adjustment and tracking for QRX-9001.
Identifies adjustment points on the F-2614 circuit board.
Procedures for MPX and AM IF adjustments.
Procedures for adjusting the Dolby circuit on QRX-9001.
Adjusting Dolby IC input level and related volumes.
Adjusting Dolby meter and FM Dolby volume indicators.
Location and parts lists for F-2636 and F-2634 circuit boards.
Location and parts lists for F-2638, F-2637, F-2639, F-2614 boards.
Location and parts lists for F-2590, F-2624, F-2632, F-2642 boards.
Location and parts lists for F-2087, F-2088, F-2689 boards.
Location and parts lists for F-2589, F-2688, F-2640, F-2641, F-2635 boards.
Location and parts lists for F-2633, F-2686, F-2652 boards.
Identifies other parts for the QRX-8001 model.
Identifies QRX-9001 parts and provides an exploded view for reference.
Circuit diagram for the QRX-8001 tuner section.
Circuit diagram for the QRX-8001 audio section.
Circuit diagram for the QRX-9001 tuner section.
Circuit diagram for the QRX-9001 audio section.
Circuit diagram for the 4-channel section of both models.
Step-by-step guide for threading the dial cord.
Instructions for attaching the dial pointer correctly.
List of items included in the packing.
List of accessory parts provided with the unit.
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