4-HEAD PLAYBACK AND RECORD AMPLIFIER FOR VCR
   
■ ONE 5V POWER SUPPLY
■ PLAYBACK/RECORD MODE SELECTION
    THROUGH A LOGIC INPUT
■ SO20 PACKAGE
■ NO ADJUSTMENT FOR LUMINANCE RECORDING
   
PLAYBACK MODE
■ LOW NOISE AND WIDE BAND AMPLIFIERS
    FOR 4 HEADS
■ AUTOMATIC OFFSET CANCELLATION BETWEEN THE 2 SELECTED HEADS
■ ONE PLAYBACK OUTPUT
■ ONE OUTPUT FOR AUTOMATIC VIDEO
    TRACKING
■ SP/LP ENVELOPE COMPARATOR
■ SHORT-CIRCUIT SWITCHES ON UNUSED
    HEADS
   
RECORD MODE
■ RECORD AGC AMPLIFIER SAMPLED BY
    SYNCHRO SIGNAL
■ RECORDING SIGNAL LEVEL ADJUSTABLE
    BY EXTERNAL RESISTOR
■ SHORT-CIRCUIT SWITCHES ON UNUSED
    HEADS