Continued from preceding page.
Number
Name
LA7451M
Equivalent circuit
Function
14
MOA REC NFB1
Main operating amplifier recording-mode negative feedback
input 1. Nominal voltage is 2.4V.
15
GND
16
PB/REC
CONTROL
Ground
Playback/recording select input. Recording when LOW or
open, playback, when HIGH.
17
MOA REC NFB2
Main operating amplifier recording-mode negative feedback
input 2. Nominal voltage is 2.4V.
18
EMPHASIS 1
OUT2
19
EMPHASIS 1
NFB2
Emphasis amplifier output 2. Nominal voltage is 2.4V.
Emphasis amplifier negative feedback input 2. Nominal
voltage is 2.4V.
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