Aiwa NSX SZ50, NSX SZ52, NSX BL54, NSX BL56 Technical Information

Service Technical Information

MODEL NO.

NSX SZ50 / SZ52 / BL54 / BL56−

SUBJECT

Poping sound from the speaker during POWER ON REF.No. :G A0 007 E0−− −

DATE :08. MA Y. 2000

<CONTENTS>

It is reported that when power is turned on with ECO on, a momentary poping sound may
comes out from the speakers.
Take the following actions against the above problem.

<COUNTERMEASURE>

1) Attach CUSH S, PWB.−

2) Connect the anode of the DIODE, 1SS133 to RES, 10 1/8W by soldering.−

3) Connect the cathode of the DIODE, 1SS133 to the Q008 connector by soldering.

4) Connect RES, 10 1/8W to the plus side of C 035 by soldering.−

5) Apply glue to the cathode of diode.

6) Apply glue to the terminal of resistance.

1/1

5) Apply glue to the cathode
of diode.

1) Attach CUSH−S, PWB.

2) Connect the anode of the
DIODE, 1SS133 to RES,
10−1/8W by soldering.

6)Applygluetotheterminal
of resistance.

4) Connect RES, 10−1/8W
to the plus side of C035
by soldering.

Ref. Parts Code Description Remarks

3) Connect the cathode of the
DIODE, 1SS133 to the Q008

connector by soldering.

MAIN C.B.

− −−− −87 020 465 080 DIODE, 1SS133

− −−− − −88 121 100 070 RES, 10 1/8W

−−−− − −80 XV1 218 010 CUSH S, PWB

G R Code No. Access Code Modified Ser. No. Parts Schedule

− − − − ∗∗∗∗ ∗∗∗∗∗ −S03 ~