Nakamichi SR-4E - Troubleshooting; Troubleshooting Guide

Troubleshooting
Remedy
. Power cord not plugged properly into AC wail outlet.
. Faulty connections of RCA-type plugs, shieided cables
between components, or speaker cables.
. Input selector or Tape Monitor selector not set correctly.
. Nothing connected to the Processor Loop terminalis.
. Faulty connections of RCA-type plugs, shielded cables
between components, or speaker cables.
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. Plug in power cord firmly.
. Check connections
. Select correct positions.
. Refer to the paragraph “Protection Circuits” on p. 17.
. if no sound processor equipment is to be used, the
jumper plugs must be inserted in the jacks. (SR-4E)
. Check connections.
. Adjust Balance control.
. Speaker cabie connected with reversed (+) (—) polarity
. Faulty or incomptete connection of RCA-type plugs.
Faulty or incomplete connection of ground cable.
Output cable from turntable routed too close to AC power
Unit is placed too close to turntable and cartridge.
Moving-coil cartridge is used at “MM” position.
Faulty or incomplete connection of RCA-type plugs.
Station not stored correctly in the memory.
Interference caused by ignition systems of cars etc.
Interference caused by fluorescent lights, motors or
thermostats of electrical appliances etc.
Tape Monitor selector or Input selector set to incorrect
. Power switch of the receiver is set to “Off.”
. Batteries are inserted with wrong polarity.
. Remote control unit is outside of effective range.
. An obstacle is placed between remote control and
Condition Probable Cause
No power. 1
No sound. 2
3
4. Protection circuits are activated.
5
(SR-4E)
Left/right channels reversed, no sound from one 6
channel.
Ss 7. Balance contro! turned fully to one side.
3 Bass response deficient, unstable stereo 8
© | imaging. in one channel.
g
< Hum noise is heard during record playback. 9
10.
+1.
cord.
12.
Low volume levels when using moving-coil 13.
cartridge. (SR-4E/SR-3E) 14. Gain setting is incorrect.
Hum noise is heard. 15.
16. Unit is placed too close to a TV set.
Desired station not received when Preset 17.
i Station button is pushed.
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3 Auto tuning not possible. 18. Insufficient antenna signal.
Noise level increases notably when stereo _—- 19. Insufficient antenna signal.
broadcasts are received.
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9 & | Intermittent crackling noise. 20.
an) 3
5 a
3 z Broadcast is supposed to be in stereo, but 21. Mode selector set to manual tuning.
i Stereo indicator does not light and sound is
monaural.
5 Buzzing noise. 22.
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s Chirping noise. 23. Interference from adjacent stations.
< 24. Interference from a TV set.
> § | No picture or sound. (SR-4E/SR-3E) 25. Faulty connections.
3 26.
is)
* B position.
Remote control does not operate. (SR-4E) 27
28
* 29. Batteries are exhausted.
o 30
£
31
o the receiver.
32.
34
. Another wireless remote control is operated at the same
time.
12.
13.
. Select proper setting of the MC Gain selector for
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
. Connect speaker cable corectly.
. Insert plugs firmly.
10.
11.
Check ground connection.
Route AC power lines as far as possible from output
cables and cartridge.
Increase distance between receiver and cartridge.
Set Cartridge selector to “MC.”
cartridge in use (~»p.22).
Insert plugs firmly.
Increase distance between receiver and TV set.
Store station as described in “Memory Tuning”
on page 20.
Change antenna height or orientation, or use a
multiple-element FM antenna.
Change antenna height or orientation, or use a
multiple-element FM antenna.
Remove antenna as far as possible from roads etc.
Use a 75-ohm coaxial cable for antenna connection.
Set selector to Auto tuning.
Using an outdoor wire antenna and ground connection
may reduce noise (complete removal is sometimes not
possible).
Reorient loop antenna.
Increase distance between receiver and TV set.
Check connections. ,
Refer to the signal flow table on page 25 to deterrnine
the correct position for all switches.
. Set Power switch to “On.”
. Insert batteries correctly.
. Replace both batteries with fresh ones.
. Operate unit within effective range.
. Remove obstacle.
. Avoid simultaneous use of several remote control
devices.