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General| Brand | Aiwa |
|---|---|
| Model | SX-NBL25 |
| Category | Stereo System |
| Language | English |
Details on tuner, amplifier, and cassette deck sections of the main unit.
Details on laser, D/A converter, signal-to-noise ratio, and audio data.
Power requirements, consumption, dimensions, and weight of the unit.
Impedance, sensitivity, dimensions, and weight of the speaker system.
Cautionary notes regarding laser exposure during servicing.
Guidelines for safe replacement of the optical block.
Procedure to safely discharge electrolytic capacitors before repair.
Steps to verify microcomputer functionality before replacement.
Explanation of the coding system for chip resistors.
Layout of the grid segments for the display panel.
Mapping of pins to anode connections for display segments.
Detailed pinout and connection mapping for the display.
Functional overview of the LA1843 integrated circuit.
Functional overview of the M65849BFP6310 integrated circuit.
Functional overview of the LC72131D integrated circuit.
Functional overview of the BA7762AFS integrated circuit.
Procedures for clock frequency, VT, tracking, and IF adjustments.
Procedures for tape speed, azimuth, frequency response, and sensitivity.
DC balance, output level, and FM separation checks.
Procedure for tuning the microcomputer oscillator frequency.
Steps to enter and exit the CD test mode.
Description of available test modes and their operations.
Visual guide to the sequence of test modes.
Key for color coding used in parts identification.
Key for color coding used in parts identification.
Instructions for disassembling speaker units (Types 1, 2, 3).
Procedures for removing and attaching the front panel.
List of parts specific to the speaker system.
List of included accessories and package contents.
