– 10 –

CXA1498S/M

Notes on Operation

(1) Operation mode control (each mode of recording and playback equalizers)

1: Playback equalizer switching (120µs/70µs)

(Pins 9, 22 and 23)

2: Normal/double speed switching

(Pin 8)

Both playback and recording equalizers are switched in normal/double speed switching.

∗ For double speed, both playback and

recording systems are switched to

double speed characteristics of each

setting mode:

(PB-EQ: 120µs, 70µs)

(Pins 9 and 10)

(2) Recording mute (REC MUTE: ON/OFF)

(Pin 21)

The recording mute function of the CXA1498S is controlled by a recording mute circuit to vary the electric

volume for recording equalizer amplifier gain by applying the DC voltage to REC MUTE (Pin 21).

DECK A-EQ (Pin 22)

DECK B-EQ (Pin 9)

LH

120µs (A-DECK)

70µs (A-DECK)

Follows B-EQ control.

DECK A/B

(Pin 23)

L

H

LH

Follows A-EQ control.

120µs (B-DECK)

70µs (B-DECK)

Recording mute ON

Attenuation –6dB

2.0V

REC MUTE

Control voltage

GND

≤ VCL ≤ 0.5V

Recording mute OFF

3.5V

METAL (Pin 10)

LH

NORMAL (Type-I)

METAL (Type-IV)

METAL (Type-IV)

DECK B-EQ

(Pin 9)

L

H

LH

Normal speed

Double speed

Normal speed

Double speed

Playback EQ

Recording EQ

SPEED Pin 8