Sony MDR-IF4000 - Manual (Page 11)

MDR-IF4000
11 11
MDR-IF4000
3-2. BLOCK DIAGRAM
31 16
60 2
54 3
59 1
10 5 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
D601 D501
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
: RF
: ANALOG