DVP-K88P
/K88PM
3-6. AUDIO BLOCK DIAGRAM
3-11
3-12
L
R
MV-52 BOARD
(SEE PAGE 4-21 to 4-22)
SYSTEM CONTROL/
SIGNAL PROCESSOR
(SEE PAGE 3-5 to 3-6)
MIC
MIC_IN
SPDIF
AL
AR
J301
OPTICAL
COAXIAL
DIGITAL
OUTPUT
ANALOG
OUT
D IN
1
MUTE
Q414
4
6 7
4
6 7
CN404
CN501
SW+3.3V
XMAMUTE
KRMOD
XA-MUTE
MUTE
Q412, 413
D402
VOLTAGE
DETECTOR
IC406
MUTE DRIVE
Q406, Q409, Q410
MUTE DRIVE
Q402, Q404, Q405
MUTE
Q407,
Q408
BUFFER
Q411
MIC MIX
AMP
IC503
MIC DETECTION
CIRCUIT
Q501, Q502, Q503
1
2
MIC VOL AMP
IC502
MIC 1 LEVEL
RV501
MIC 2 LEVEL
RV502
7
5
MIC AMP
IC501
MC-174 BOARD
(SEE PAGE 4-11 to 4-12)
IC405
6
7
MIC LIMITTER
AMP
IC504
J501
J502
AUDIO OUT
GAIN CONTROL
0 or +9dB
Q419, Q420, Q422
7
6
7
6
1
2
1
3
GAIN CONTROL
0 or +9dB
Q415, Q418, Q421
1
7
6
2
AUDIO
MIX AMP
IC402
1
7
6
2
AUDIO
AMP
IC401
MIC 1
MIC 2