m62499fp Mitsumi Electronics, Corp., m62499fp Datasheet - Page 15

• Manufacturer Part Number: m62499fp
• Description: Mitsubishi Sound Processors
• Manufacturer: Mitsumi Electronics, Corp.

Lch
Rch
<SOFT MUTE CIRCUIT EXPLANATION>
A-BASS
LEVEL
BLOCK FUNCTION OF
DYNAMIC BASS BOOST PART
Control voltage
OUTPUT MUTE
CONNECTED
Control timing
POSITIVE
ASPECT
Lch and the identical block
1.85V
220K
10K
SOUND CONTROLLER WITH T-BASS and BBE
R3
R1
C1: 0.33u
3.7V
32pin
BPF
C1
R2
SW OP AMP
NEGATIVE
ASPECT
ALC
CIRCUIT
C2
Mute signal
MITSUBISHI SOUND PROCESSORS
18Pin
M62499FP
OUTPUT MUTE (WITH SOFT MUTE)
NEGATIVE
ASPECT MIX.
Center frequency
f0 = 1 / 2
Q =
ALC attack,Release time
setting pin
ALL
RECTIFICATION
(EX.) BASS BAND setting f=60Hz
The fixed number is fixed in putting
condenser C1 out of 32Pin at shock
prevention operation, It became about
0.1sec at 0.33uF setting,
R1=2.6K , R2=120K
C1=0.15µ, C2=0.15µ
(C1•C2•R2)/R1 / (C1+C2)
C1•C2•R1•R2 [Hz]
15
(
/ 19)
OUT2
17Pin
OUT1
(Lch)
(Rch)