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ADDITIONAL INFORMATION

TROUBLESHOOTING GUIDE

If you follow the instructions in this manual and still have trouble operating your Model 28, try the sug- gestions in this troubleshooting chart.

Problem

Possible Cause

Suggestion

 

 

 

No power.

The power cord (AC or DC) is

Plug the AC power cord into

 

not connected.

an AC outlet, or plug the DC

 

 

power cord into your vehicle’s

 

 

cigarette lighter.

 

 

 

 

POWER not pressed.

Press POWER.

 

 

 

 

DC power cord is connected

Disconnect DC power cord

 

when you want to use AC

from Model 28.

 

power.

 

 

 

 

 

Fuse in DC power cord might

Check fuse and replace if nec-

 

be blown.

essary (see “Replacing the

 

 

DC Power Cord’s Fuse” on

 

 

Page 40).

 

 

 

Timer recording does not

The clock is not set correctly.

Check the clock and reset it if

work.

 

necessary.

 

 

 

 

Tape not inserted or erase-

Insert a tape, or place a piece of

 

protection tab missing.

strong tape over the erase-pro-

 

 

tection tab hole. See “Erase

 

 

Protection” on Page 28.

 

 

 

 

The program timer is not set

Set the program timer correct-

 

or is set incorrectly.

ly.

 

 

 

 

Model 28 not turned off at

Press POWER to turn off Mod-

 

record set start time (TIMER

el 28 (TIMER REC indicator

 

REC indicator not on).

should be on).

 

 

 

Cannot record.

The tape’s erase-protection

Place a piece of strong tape

 

tab is missing.

over the tab hole. See “Erase

 

 

Protection” on Page 28.

 

 

 

Picture is poor on playback.

The tracking is not properly

Adjust the tracking (see “Ad-

 

adjusted.

justing the Tracking Manually”

 

 

on Page 23).

 

 

 

 

Video heads are dirty.

The video heads must be

 

 

cleaned (see “Cleaning the

 

 

Video Heads” on Page 41).

 

 

 

 

The video tape might be

Try another tape.

 

faulty.

 

 

 

 

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Radio Shack 28 owner manual Additional Information, Troubleshooting Guide