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MDR-IF4000
1111
MDR-IF4000
3-2. BLOCK DIAGRAM
31 16
60 2
54 3
59 1
105 16
I/V
AMP
IN ADIN
SCKI
DATA
BCK
LRCK
PD
+2.5V
IC102
RESET
OUT
DAOUT/
ROUT
BCK/RCLK
LRCK/RCS
8 4
VOUTR
4
13
XRST
61
DTVALID
APX
A/D
CONTROL
RAM
IC101
IR RECEIVER/DSP
IC201
D/A CONVERTER
IC001
FRONTEND
D401-408
IR
RECEIVER
DEMODULATOR
DATA BUS
OUTPUT I/F
SID/
GCA/
BPF
Q302
MUTE
RV201
IC302
HEADPHONE
AMP
IC301
HEADPHONE
AMP
Q301
MUTE
Q101
MUTE
DRIVE
5
8
SP001
SPEAKER
(R CH)
9 4
VOUTL
5
8
SP002
SPEAKER
(L CH)
1
VOUT
2
VDD
IC501
+1.5V
REGULATOR
IC503
+2.8V DC/DC
CONVERTOR
5
VOUT
OUT LX
D601D501
D502
POWER
S602
S701
S701
AUTO
ON/OFF
S601
2
VIN
1 2
+1.5V
+2.5V
IC502
+2.5V
REGULATOR
5
VOUT
1
VIN
Q601,602
+B SWITCH
IC601
LEVEL DETECT
BATTERY
DETECT
CHARGE
TERMINAL
RECHARGEABLE
BATTERY
(BP-HP550)
1.2V 550mAhX2
w
VOL
SIGNAL PATH
:
: ANALOG