To Next PageTo Next PageWhy is my Sharp MD-MT270HS/BK skipping tracks or showing no TOC?
If the Sharp Measuring Instruments are skipping tracks or failing to recognize the Table Of Contents, it is likely due to dust or foreign matter on the laser pickup lens. Ensure the lens is clean before attempting any adjustments.
General| Brand | Sharp |
|---|---|
| Model | MD-MT270HS/BK |
| Category | Measuring Instruments |
| Language | English |
Guidelines for safe replacement and servicing of the laser pickup.
Details on laser diode material, wavelength, and pulse characteristics.
Details on power source, consumption, output, dimensions, and battery life.
Covers audio channels, frequency response, sampling, and error correction.
Identification of buttons, indicators, and parts on the main unit and display.
Safety and handling notes before disassembling, followed by disassembly steps.
Step-by-step guides for removing magnetic head, motors, and optical pickup.
Instructions for entering test mode and overview of available adjustment modes.
Detailed operation for AUTO1, AUTO2, and TEST-PLAY adjustment modes.
Procedure for EEPROM replacement, initial value writing, and temperature reference setting.
Chart for navigating test modes and details on preautomatic adjustment.
Procedures for ATT auto adjustment and continuous playback.
Details on continuous record, error display, and EEPROM setting menus.
Procedures for adjusting Focus, Spin, Tracking, and Sled parameters.
Guides for Temp, Bass, Control, and Adjustment settings.
List of error messages, their content, codes, and remarks.
Explanation of resistor/capacitor codes and safety markings.
Diagram showing the main components and their interconnections.
Detailed schematic of circuit connections for the first section.
Diagram illustrating the wiring on the main PWB-A (bottom view).
Table of voltage readings for various IC pins.
Reference waveforms for troubleshooting and diagnosis.
Steps for diagnosing playback failures and abnormal display issues.
Troubleshooting for audio playback and spindle motor problems.
Steps for diagnosing issues with recording and playback operations.
Pinout and function table for the microcomputer IC401.
Continued pinout and function table for IC401 microcomputer.
Details on IC201 output ports and test/LDCNT settings.
Pinout and function descriptions for IC601 PWM/Motor Driver.
Continued pinout and function descriptions for IC601.
Pinout and function descriptions for IC202 D-RAM.
Information on ordering parts and explanation of capacitor/resistor codes.
Exploded view showing the arrangement of MD mechanism parts.
Exploded view showing the arrangement of cabinet parts.
List of packing items and instructions for switch/knob settings.
