Electrical Adjustment; Troubleshooting - Toshiba KT-1950 Service Data

5. ELECTRICAL ADJUSTMENT
1. Connect a VTVM across the Earphone Jack.
2. Playback the test tape (6.3 kHz) and adjust the azimuth adjusting screw so that the VTVM indicates maximum
position.
Record/Playback Head
Figure 13
Adjusting Screw
TROUBLE SHOOTING
KT-1950
a
Possible.
External Input position.
i
Symptom Cause Correction
® Cassette tape is upside down. @ Insert the cassette with the exposed
Cassette tape cannot be inserted. . tape side facing upwards. .
® Cassette tape has not been inserted @ Insert the cassette tape squarely into the
properly. compartment.
@ Batteries not inserted in correct @ Reinsert the batteries in accordance with
arrangement. the diagram.
@ AC adaptor plugged in recorder ® Either disconnect the AC adaptor (for
only. battery power) or plug in properly to
DC IN 6V jack and wall socket (for AC
eer d , power).
e ve. : ' '
ee eae eee @ External microphone plugged in, @ Turn the remote switch on.
but remote switch turned off.
® Battery contacts in battery com- @ Clean (polish) the contacts with a cloth
partment have become soiled. or suitable brush.
@ [Ii PAUSE] button has been @ Release the [ I| PAUSE] button.
depressed.
' 3 ® i a e
Redereingbutean will tat No cassette tape in compartment Insert a cassette tape.
heals ® Erasure prevention tabs removed. @ Cover up the gap left by the broken off
; tab.
@ Batteries have run down. @ |nsert fresh batteries.
' ' ® i r i i i
Poor quality sound during Head has become dirty. Clean off dirt with a head cleaning rod.
playback @ Try another cassette tape.
® Tape has been damaged or
wrinkled.
=f
Microphone recording not @ [Input Selector] switch left in @ Return [Input Selector] switch to Built-
in mic/External mic position.