Troubleshooting Guide; Parts Index - Aiwa NSX-AVF77 Operating Instructions Manual

TROUBLESHOOTING GUIDE

If the unit fails to perform as described in these Operating
Instructions, check the following guide.
GENERAL
There is no sound.
• Is the AC cord connected properly?
• Is there a bad connection? (
• There may be a short circuit in the speaker terminals.
Disconnect the AC cord, then correct the speaker
connections.
• Was an incorrect function button pressed?
Sound is emitted from one speaker only.
• Is the other speaker disconnected?
The output sound is not stereo.
• Is the Karaoke function turned on? (
An erroneous display or a malfunction occurs.
Reset the unit as stated below.
TUNER SECTION
There is constant, wave-like static.
• Is the antenna connected properly? (
• Is the signal weak?
Connect an outdoor antenna.
The reception contains noise interferences or the sound
is distorted.
• Is the system picking up external noise or multipath distortion?
Change the orientation of the antenna.
Move the unit away from other electrical appliances.
CASSETTE DECK SECTION
The tape does not run.
• Is deck 2 in pause mode? (
The sound is off-balance or not adequately high.
• Is the playback head dirty? (
Recording is not possible.
• Is the erasure prevention tab on the tape broken off? (
14)
• Is the recording head dirty? (
Erasure is not possible.
• Is the erasure head dirty? (
• Is a metal tape being used?
High frequency sound is not emitted.
• Is a tape recorded without Dolby NR played back with the Dolby
NR system operating? (
• Is the recording/playback head dirty? (
CD PLAYER SECTION
The CD player does not play.
• Is the disc correctly inserted? (
• Is the disc dirty? ( page 25)
• Is the lens affected by condensation?
Wait approximately one hour and try again.
To reset
If an unusual condition occurs in the display window or the
cassette decks, reset the unit as follows.
1 Press the POWER button to turn off the power.
2 Press the POWER button to turn the power back on while
pressing the s CLEAR button. Everything stored in memory
after purchase is canceled.
If the power cannot be turned off in step 1 because of a malfunction,
reset by disconnecting the AC cord, and connect it again. Then
carry out step 2.
27
ENGLISH
page 3)
page 21)
page 3)
page 13)
page 25)
page 25)
page 25)
page 13)
page 25)
page 11)

PARTS INDEX

Instructions about each part on the main unit or remote control
are indicated on the pages listed below.
(in alphabetic order)
Parts
BBE
CD
CD EDIT/CHECK (EDIT/CHECK)
s CLEAR
CLOCK
DEMO
DIRECT
d DIRECTION/PRESET
DISC CHANGE
DISC DIRECT PLAY
DOLBY NR
DOLBY PRO LOGIC
f, r DOWN
EDIT/CHECK (CD EDIT/CHECK)
GEQ
KARAOKE (VOCAL FADER/MULTIPLEX)
KARAOKE ENTER
MANUAL SELECT
MIC 1, MIC 2
MIC MIXING
z OPEN/CLOSE
PHONES
POWER
PRGM
RANDOM
w (q) REC/REC MUTE
REPEAT/MONO TUNER
REV MODE (DECK 2)
a SET
SLEEP
SURROUND
page
SYNC DUB NORM/HIGH
TAPE/DECK 1/2
T-BASS
TIMER
TUNER/BAND
t, g UP
VIDEO/AUX
VOCAL FADER/MULTIPLEX (KARAOKE)
VOLUME
0-9, +10
Pages
7
11
11, 17, 18
10, 11, 13
6
6
11
10, 11, 13
11
11
13, 15
19
6, 9, 11, 13
11, 17, 18
7
21
22
8, 19, 21
21
21
11
7
6
12, 22
12
15
9, 12
13
6, 9, 11, 13, 23
24
8
16
13, 15
7
23
9
6, 9, 11, 13
25
21
7
10, 11, 13