– 19 –
– 20 –
DP-IF5100
5-2-2. BLOCK DIAGRAM — TRANSMITTER SECTION —
18
12
12
13
10
9
5
14
1
8
2
7
6
5
3
12
4
14
13
9
10
11
16
LOGIC
LEVEL
CONVERTER
2
3
5
17
12
6
6
8
5
7
3
2
1
6
5
7
3
2
SERIAL
DATA
INTERFACE
MULTIBIT
SIGMA-DELTA
MODULATOR
2
24
23
28
CLOCK
CIRCUIT
ATTEN/
MUTE
INTERPOLATION
FILTER
DELTA SIGMA
MODULATION
BIAS
LPF
&
BUFFER
LPF
&
BUFFER
8x
INTERPOLATOR
OUTPUT
BUFFER
DAC
15
11
6
4
2
6
4
2
L51
FREQUENCY
(L-CH)
2.3MHz OSC
COIL
L1
FREQUENCY
(R-CH)
RV1
RF LEVEL
(R-CH)
RV51
RF LEVEL
(L-CH)
2.8MHz OSC
COIL
OSC
Q51
BUFFER
Q52
LED
DRIVE
Q301,351
OSC
Q1
MUTE
Q901
MUTE
Q902
UN5.7V
REG
IC801
RESET
IC204
BUFFER
Q2
!
8
UN+5V
REG
Q903
B+
(UN+5V)
B+
(UN+5.7V)
LF801
PROCESSOR
SECTION
3
PROCESSOR
SECTION
1
PROCESSOR
SECTION
2
LED POWER
POWER
RESET
+3.3V
REG
IC803
B+
(+3.3V)
LR DATA
LR CK
BCK
MCK
SRESET
A MUTE
F1DA
DAMUTE
DIN
16
17
22
28
RESET
CLK/OSC
MANAGER
DIGITAL
AUDIO
INTERFACE
(2/2)
V OUT L
V COM
V OUT R
3
D51
D1
B+
(+9V)
INFRARED
EMITTER
D301-304
B+
(+9V)
INFRARED
EMITTER
D305-308
27
25
B+
PD/RST
MUTE
R CH
SDATA
BCK
LRCK
MCLK
R CH
DVDD
STEREO AUDIO DAC SYSTEM
IC105
LPF
IC106
-1
L
-2
R
HEADPHONES
AMP
IC901
HEADPHONES
AMP
IC902
1
J901
PHONES
J801
DC IN 9V
+9V
REG
IC804
+9V
REG
IC805
+5V
REG
IC802
B+
(SW+5V)
B+
(SW+9V)
B+
(+9V)
B+
(UN+5V)
MUTE
VCC
15
D/A CONVERTER
IC102(2/2)
BINAURAL L
BINAURAL R
BINAURAL L
BINAURAL R
MUTE SWITCH
IC104
EMPHASIS & LPF
IC103
LED
DRIVE
Q302,352
B+
(SW+5V)
1
7
: DIGITAL
: ANALOG
: RF
04
26
B+
(UN+5.7V)
PHONES LEVEL
RV901
(Page 18)
(Page 18)
(Page 18)
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9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
