Need help?Do you have a question about the Technics SJ-MD150 and is the answer not in the manual?
General| Brand | Technics |
|---|---|
| Model | SJ-MD150 |
| Category | MiniDisc Player |
| Language | English |
Service information is for experienced technicians; potential dangers of servicing.
Instructions for handling the optical pickup to prevent damage.
Procedures for grounding to prevent electrostatic discharge.
Details on protecting the optical pickup from static electricity.
Details on human body and work table grounding.
Warning about hazardous radiation exposure from controls/adjustments.
Details on laser radiation safety during operation and handling.
Procedure to activate, cancel, and clear the self-diagnostic mode.
Lists error codes, symptoms, and possible causes.
Procedures to activate and check self-check functions.
Steps for replacing the magnetic head and optical pickup assembly.
Detailed steps for replacing and installing the optical pickup.
Safety notes on IC/LSI sensitivity, components, and repair precautions.
Initial troubleshooting steps for power-on and adjustment mode issues.
Troubleshooting checks for IC10 oscillation and pin statuses.
Checks voltage at IC1, IC9, IC3 pins and IC1 pin 2.
Checks disc insertion, rotation, and IC voltage outputs.
Checks playback operation, sound quality, and magnetic head condition.
Checks current flow across R5 and IC3 output status.
Checks optical pickup movement and alternating voltage at IC3 pin 18.
Checks RF signal stability and communications between IC3 and IC72.
Troubleshooting traverse movement issues and IC pin voltage checks.
General notes, required instruments, and steps to enter adjustment mode.
Procedure for adjusting laser power levels, including safety cautions.
To Next Page
