3-758-576 -21 (2) Operating Instructions TC-K615S 1994 by Sony Corporation
WARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. INFORMATION This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Chapter 1 Getting Started Table of Contents Chapter 1 Getting Started Features .......................................................................................... 3 Precautions .................................................................................... 4 Unpacking ..................................................................................... 4 Checking the supplied accessories ...................................... 4 Notes on installation .............................................
Precautions On safety •Should any solid object or liquid fall into the cabinet, unplug the unit and have it checked by qualified personnel before operating it any further. •Unplug the unit from the wall outlet (mains) if it will not be used for a long time. To disconnect the cord, pull it out by grasping the plug. Never pull the cord itself. •The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off.
Hooking Up the System Before You Begin •Turn off the power to all equipment to be connected before making any connection. •Note that the red plug of the supplied connecting cord is for right-channel (R) connection and the white plug for leftchannel (L) connection. •The connecting cords should be fully inserted into the jacks. A loose connection may cause hum pickup.
Identifying the Parts on the Front Panel * Remote control sensor 1 2 34 5 6 7 89 !º !¡ !™ !£ +2 +4 +6 +8 øOFF 4 ( P REC a DOLBY NR DOLBY NR B C S FILTER TAPE TYPE I II IV SOURCE TAPE OFF B • • 6 • • • • 7 1 9 8 2 • • MEMORY REC LEVEL C COUNTER RESET BIAS 3 • REC CAL 9 HL LR 5 MEMORY • 9 0 • –4 • ØON –10 • REC LEVEL MPX FILTER dB –∞ –30 –20 S – + – + • • • POWER BALANCE • 0 10 L R EJECT MONITOR p 0 · ) PAUSE REC MUTE REC P R r C
Chapter 2 Playback Playing Back Follow the procedure below to play back a cassette. 4 POWER →ON Specifying the tape type is unnecessary The deck has an automatic tape type detection system. 3 To begin recording during playback While holding down the · button, press the r button. The unit immediately begins recording without stopping the tape. This function is useful when editing previously recorded material.
Locating a Selection — Multi-AMS (Automatic Music Sensor) Through its ability to detect the blank space between selections, the Multi-AMS function allows you to skip up to 30 selections while fast forwarding or reversing to the beginning of a specific selection. Changing the indicated number of selections to be skipped Press the 0 or ) button at any time, even during MultiAMS operation.
Locating a Specific Playback Position — Memory Play Memorizing and Locating a Specific Playback Position The Memory Play function allows you to use the counter to record a specific position on a cassette for fast relocation and automatic playback later. POWER →ON Returning to the memorized position while the unit is stopped — Memory Stop If you press only the 0 button when the MEMORY indicator is on and the unit is stopped, the tape rewinds and then stops when the counter reaches 0.00.
Chapter 3 Recording Playing Back Automatically After Rewinding — Auto Play The Auto Play function automatically starts playing back a cassette after fastwinding it to the beginning. Recording Recording to a Cassette Follow the procedure below to record a source on a cassette.
5 Turn REC LEVEL to adjust the recording level. REC LEVEL 5 If playback starts instead of recording when you press r The record-protect tab for that side has been removed. To record on this cassette, cover the hole with plastic tape. (See “Protecting a Recording” on page 12.) 6 4 7 3 Selecting MONITOR mode is unnecessary The unit automatically enters source mode and the SOURCE indicator lights up. If you wish to monitor the recorded sound, press the MONITOR button to select TAPE mode.
Recording Adjusting the Recording Level Protecting a Recording The proper recording level, which differs according to the tape type, is indicated on the peak level meters for each tape type. Adjust the REC LEVEL control as high as possible without exceeding the recommended range for the inserted tape. To protect a recording on side A or B Break out the respective tab. Side A Peak level meter recording by tape type Recommended maximum peak level meter readings.
Monitoring the Recorded Sound As this unit has three separate heads for recording, playback and erasure, you can check the quality of a recorded sound by comparing it with the input source signal. To listen to the input source signal, press the MONITOR button to turn on the SOURCE indicator. To listen to the sound recorded on the tape, press the MONITOR button to turn on the TAPE indicator.
Calibrating the Bias Current and Recording Level Although the ATS (Automatic Tape Selection) system in your unit sets the appropriate equalization characteristics and bias current for each tape type, you may be able to obtain even better results by doing the bias current and recording level calibration function described below. BIAS Follow the procedure below to calibrate the bias current and recording level.
Inserting a Blank Space During Recording — Record Muting 4 Adjust BIAS until both meters indicate equal playback levels. A low reading on the upper meter indicates a high bias current. 2 POWER →ON 9 9 A high reading on the upper meter indicates a low bias current. The Record Muting function allows you to insert a foursecond blank between selections to enable proper MultiAMS operation (see page 8), or to replace unwanted recorded material with a blank of any length.
Chapter 4 Additional Information Maintenance Cleaning the Heads and Tape Path Clean all surfaces over which the tape travels after every ten hours of operation to guard against: — low-quality sound — a decrease in sound level — excessive wow, flutter or drop-out — incomplete erasure — impairment of recording function To obtain high-quality recorded sound, we recommend cleaning before every recording. 1 Press § to open the cassette holder.
Specifications Recording system Fast winding time Bias Heads Motors 4-track 2-channel stereo Approx. 90 sec.
Troubleshooting Guide The following trouble checks will help you correct the most common problems encountered with your tape deck. Should any problems persist after you have made these checks, consult your nearest Sony dealer. Before proceeding with these trouble checks, verify that: •The power cord is firmly connected. •The amplifier connections are firmly made. •The heads, capstan and pinch roller are clean. •The amplifier controls and switches are correctly set.
Recording and Playback Problems Symptom Recording or playback cannot be made or there is a decrease in sound level. Cause Remedy The heads are either dirty or magnetized. Clean or demagnetize the heads (page 16). Improper connection. Make connections properly (page 5). Improper setting of the amplifier controls. Set the amplifier controls to the appropriate positions. Excessive wow, flutter or drop-out. The head, capstan or pinch roller is dirty. Clean in accordance with instructions on page 16.
Sony Corporation Printed in Japan 1994 by Sony Corporation
