Aiwa NSX-AV900 manual Troubleshooting Guide, Parts Index, Down

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? (+ page 3)

●There may be a shorl 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.

c Is the other speaker disconnected?

The output sound is not stereo.

●Is the Karaoke function turned on? (+ page 19)

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? “(~page 3) c 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? (~ page 9)

The sound is off-balance or not adequately high.

●Is the playback head dirty? (+ page 23)

Recording is not possible.

●IS the erasure prevention tab on the tape broken off? (+ page 9)

●IS the recording head dirty? (A page 23)

Erasure is not possible.

●Is the erasure head dirty? (+ page 23)

●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? (+ page 10)

●Is the recording/playback head dirty? (+ page 23)

CD PLAYER SECTION

The CD player does not play.

●Is the disc correctly inserted? (+ page 11)

●ISthe disc dirty? (+ page 23)

●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.

1Press the POWER button to turn off the power.

2Press the POWER button to turn the power back on while pressing the ■ 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 repeat step 2.

PARTS INDEX

Instructions about each part on the main unit or remote control are indicated on the pages listed below.

(in alphabetic order)

Parts			Pages
BALANCE			6,17
BBE			6
CD			11
CD EDIT/CHECK (EDIT/CHECK)			11,15,16
■ CLEAR			8, 10, 11
CLOCK			6
DEMO			5
● >	DIRECTION/PRESET		9, 10, 11
DISC CHANGE			11
DISC DIRECT PLAY			11
DOLBY NR			10
DOLBY PRO LOGIC			17
4+,	14< DOWN		8,10,11
EDIT/CHECK (CD EDIT/CHECK)			11, 15, 16
GEQ			7
KARAOKE		(VOCAL FADER/MULTIPLEX)	19
KARAOKE		ENTER	20
MANUAL SELECT (TEST)			17
MIC 1, MIC 2			18
MIC MIXING			18
A OpEN/CLOSE			11
PHONES			7
POWER			5
PRGM			12
RANDOM			12
● (0/0)		REC/REC MUTE	13
REPEAT/MONO TUNER			8, 12
REV MODE (DECK 2)			9
II SET			8, 10, 11
SLEEP			22
SURROUND			7
SYNC DUB NORMAL/HIGH			14
TAPEIDECK 1/2			9, 13
T-BASS			6
TIMER			21
TUNE!WBAND			8
➤>1, E*		UP	8, 10, 11
VI DEO/AUX			23
VOCAL FADER/MULTIPLEX (KARAOKE)			19
VOLUME			6
0-9, +10			12

25 ENGLISH