QS7785PF/CF

NIPPON PRECISION CIRCUITS—9

In output modes 9 to 11, the input stereo signal is

output to the speakers without processing. The

bypass function works for both stereo and mono

input signals, and is used to listen to the original sig-

nals. In mode 9, the stereo signal is output on front

speakers only. In mode 10, the stereo signal is output

on both front and surround speakers. In mode 11, the

stereo signal is output on surround speakers only.

In output mode 12, the input stereo signal is output

on front speakers, and a surround effect enhanced

signal is output on the surround speakers.

Center signal output

The center signal is output on COUT. See “Center Control.”

Bass boost mode

The bass boost function is used to enhance the bass frequency component. See “Bass Boost.”

Mute and power save

When PSAVE is HIGH, the analog stages of the

device are turned OFF to save power. When MUTE

is HIGH, all outputs are muted.

1. – (dash) = no output signal.

× = indicates don’t care.

1 = HIGH, 0 = LOW

Output signal

BYP

MONO

SUR

SP

AC

COUT

××××

0–

××××

1

(RIN + LIN) / 2

1.

× = indicates don’t care.

1 = HIGH, 0 = LOW

Output signal

BYP

MONO

SUR

SP

AC

BASS

FROUT/FLOUT

SROUT/SLOUT

COUT

×××××

0

Bass boost OFF

Bass boost OFF

Bass boost OFF

×××××

1

Bass boost ON

Bass boost ON

Bass boost ON

1. – (dash) = no output signal.

× = indicates don’t care.

1 = HIGH, 0 = LOW

Output signal

BYP

MONO

SUR

SP

AC

BASS

MUTE

PSAVE

FROUT/FLOUT

SROUT/SLOUT

COUT

××××××

0

0

Available

Available

Available

××××××

1

0

–––

××××××

1

1

–––