MDR-NC300D
MDR-NC300D
8
8
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
A +2.8V
R-CH
HEADPHONE
ASSY (1/2)
AUDIO IN L
AUDIO IN R
: AUDIO
: MIC
SIGNAL PATH
R-ch is omitted due to same as L-ch.
R-CH
R-CH
MIC L SIG
MIC R SIG
R-CH
HEADPHONE
ASSY (2/2)
LIQUID
CRYSTAL
DISPLAY
PANEL
MDD L-P
MDD L-N
R-CH
MDD R-P
MDD R-N
DSP
IC501
MIC BIAS
Q101
POWER ON
DETECT
Q602
X501
49.152MHz
SYSTEM CONTROLLER
IC601
S602
MONITOR
VDD
S603
SOUND MODE
S604
NC OPTIMIZE
S605
VOLUME -
S606
BATTERY
DETECT
Q601
S607
POWER
(NEUTRAL)
HOLD
A_PWR +1.5V
D +2.8V
DRY BATTERY
SIZE “AAA”
(IEC DESIGNATION R03)
1PC. 1.5V
A +2.8V
LINE AMP +1.4V
MIC AMP R +1.4V
MIC AMP L +1.4V
1.5V
A_PRI +1.5V
Содержание MDR-NC300D
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