M61520FP

Rev.1.0, Sep.19.2003, page 13 of 15

Gain Level Diagram

<I

Input D range

Input D range

Output D range

Input D range

Output D range

Input D range

Output D range

Input D range

Output D range

Input D range

Output D range

Input D range

Output D range

NPUT SELECTOR>

ATT

SELECTOR

INPUT

-4.4/-9.4/

-8/-13/

-11.6/-16.6dB

2.2Vrms(9V Vcc)

-1

<RECBLOCK>

MIC INPUT

MIC MIXING (0dB)

REC OUT

2.2Vrms(9V Vcc)

2.2Vrms (9V Vcc)

REC INPUT

REC MIXING

(+1/+3/+4.6/+6.6dB)

MIC BUF

+

<FL,FR BUF>

FL,FR IN

MIC MIXI NG

FL,FR BUF OUT

1.8Vrms (9V Vcc)

MIC BUF

1.8Vrms (9V Vcc)

INPUT GAIN

(0/+3.6dB)

FL,FR OUT

1.8Vrms (9V Vcc)

OUTPUT GAIN

(0/+2/+6.5/+10.5dB)

Bass Boost

2.2Vrms (9V Vcc)

Coupled

(0/-2/-6.5/-10.5dB)

TOTAL GAIN

-4.4/-8/-9.4/-11.6/-13/-16.6dB

AD OUT

TOTAL GAIN

+1/+3/+4.6/+6.6dB (Mixed)

<FL,FR Vol>

FL,FR VOL IN

<C to SW BUF>

1.8Vrms (9V Vcc)

INPUT GAIN

(0/+3.6dB)

C to SW IN

TOTAL GAIN

0dB or 3.6dB

C to SW BUFOUT

1.8Vr ms (9V Vcc)

<C,SL,SR Vo l>

C,SL,SR VOL IN

OUTPUT GAIN

(0/+6dB)

1.8Vrms (9V Vcc)

2.2Vrms (9V Vcc)

TOTAL GAIN

0dB or 6dB

C,SL,SR OUT

<SW Vol>

SW VOL IN

OUTPUT GAIN

(+6/+10dB)

1.8Vrms (9V Vcc)

2.2Vr ms (9V Vcc)

TOTAL GAIN

6dB or 10dB

SW OUT

+

Caution: Do not input a signal which exceeds the power-supply voltage level.