PB/REC PRE AMP FOR 2 DECK

S1A0291X01

5

APPLICATION INFORMATION

1. R/P SWITCH

Apply R/P input voltage at PIN 8.

PLAY: 0V (GND)

REC: 4.5V

− 12V (Do not apply above 13V).

Only valid A/B input select in playback mode.

In record mode, the playback A-input is available and the ALC is turned on by record bias.

A. Record Mode Schematic

8

5

CONTROL

CONTROL

REC BIAS ON

PLAYBACK

BIAS

A/B SELECT SW

R/P SW

R

B-INPUT BIAS

A-INPUT AVAILABLE

A/B SELECT

A-INPUT

BIAS

DISABLE

P