Operation CHARM: Car repair manuals for everyone.

Audio - Pop Noise When Adjusting Volume


9220lexus01

AUDIO
AU92-001
FEBRUARY 28, 1992
SC 300/SC 400


Title:
"POP" NOISE WHEN ADJUSTING VOLUME ON SC 300/SC 400 NAKAMICHI RADIOS





Volume control transistors within the SC 300/SC 400 Nakamichi radios have been improved to reduce an audible "POP" noise which may be heard when adjusting the radio volume in cold ambient temperatures.


PRODUCTION EFFECTIVE:

A production change has been made by Nakamichi to the radio (P/N 86120-24230) starting 12/91.

From VIN: From P/D:
JT8UZ30C*N0013898 12/91
JT8JZ31C*N0004088 12/91


Starting Radio Serial Number:
6286





EXCHANGE UNIT INFORMATION:

Nakamichi began shipping countermeasured exchange units in 12/91. Countermeasured radios will have a red dot on the chassis number on the back of the radio.