1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
DRAWING TITLE
Drawn by:
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\ECO_wip\01_1106 new 1.7 roak module\L918_1.1\L918_1.1.DDB - L918C3_1.1.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
DiVA DT81 DAB Tuner - DAC, Audio Outputs & Headphones
Circuit Diagram
L918C3
CL/PG
11-Jun-2001
INITIALS
Date Printed
4
4
Sheet
of
Notes:
EMC
1
N
F
SK101A
PHONO4G
N
F
SK101B
PHONO4G
EMC
SK103
PHONO1
DIGOUTP1
DIGOUTN1
P5V DAC
VOUTLP
VOUTLN
LEFT1
RIGHT1
LOUT
ROUT
EMCGND
ANGND
RLY1A
RLY 51SB12T
RLY1B
RLY 51SB12T
L101
7F003
LRCK
MCLK
SCLK
SDATA
C115
680P PP
C116
680P PP
P15V
N15V
LHC
2
RHC
3
1
4
L
5
6
R
7
SK104
HPSKT
HEADPHONE AMPLIFIER
C125
100P PP
C126
100P PP
HPSL
HPSR
HPSE
C123
10U NP
C124
10U NP
DAC
AUDIO AMPLIFIER AND LOW-PASS FILTER
DIGITAL OUTPUT
EMC
1
N
F
SK102
PHONO2#
LEFT
RIGHT
RIGHT
LEFT
SPDIF_CX
RV1A
20K LOG SNAPIN#A
RV1B
20K LOG SNAPIN#A
LEFT1
RIGHT1
SPDIF_CX
P5V
1
2
3
4
5
6
SK7
DIL6 VPLG
RIGHT1
LEFT1
SPDIF_OP
EMCGND
+
C108
100U SILMIC
+
C112
100U SILMIC
+
C103
100U SILMIC
+
C15
22U EL
3
2
1
Z103A
4560D SM
5
6
7
Z103B
4560D SM
8
4
Z103C
4560D SM
3
2
1
Z102A
OPA2134PA SM
5
6
7
Z102B
OPA2134PA SM
8
4
Z102C
OPA2134PA SM
C113
680P PP
C114
680P PP
P15V
N15V
C57
100U NP
C58
100U NP
HPGnd
3
2
1
Z104A
4560D SM
5
6
7
Z104B
4560D SM
8
4
Z104C
4560D SM
R136
100R 1W CF
R144
100R 1W CF
AUDGND
SPDFGND
OPGND
LTUNIN
RTUNIN
EMC Shield
SH101
EMCPHONO2
CL
22-01-01
PROTOTYPE (NEW DAC & TOSLINK)
B.0
LRCIN
1
DIN
2
BCKIN
3
MODE8X
4
SCLK
5
DIFFHW
6
DGND
7
DVDD
8
AVDDR
9
AGND2R
10
VMIDR
11
VOUTRN
12
VOUTRP
13
AGND1
14
Vcc
15
VOUTLP
16
VOUTLN
17
VMIDL
18
AGND2L
19
AVDDL
20
ZERO
21
RST
22
CS/IWO
23
MODE
24
MUTE
25
MD/DM0
26
MC/DM1
27
ML/IIS
28
WM8740
Z100
WM8740
C101
2N2 PP
C106
470P PP
C100
2N2 PP
C105
470P PP
C104
2N2 PP
C109
470P PP
C102
2N2 PP
C107
470P PP
VOUTRP
VOUTRN
C118
100N 0805
C120
100N 0805
C119
100N 0805
+
C111
10U EL
C122
100N 0805
C121
100N 0805
+
C117
10U EL
C132
100N 0805
+
C110
10U EL
2
3
1
VCC
GND
I/P
Z4
GP1FA550TZ
CL
03/10/00
INITIAL PROTOTYPE
A.0
ALL PARTS IN THIS BOX ARE NOT FITTED ON DT81
+
C134
10U SILMIC
+
C133
10U SILMIC
R146
100R 0805
C127
100P NPO 0805
C128
100N 0805
C129
100N 0805
C135
1N 0805
R147
10K 0805
CHS2
P15V
P15V
CL
19/03/01
PRODUCTION RELEASE
1.0
R23
22R 0805
R101
22R 0805
R108
6K8 0805 1%
R106
6K8 0805 1%
R107
6K8 0805 1%
R105
6K8 0805 1%
R103
5K6 0805 1%
R104
5K6 0805 1%
R100
5K6 0805 1%
R102
5K6 0805 1%
R110
1K5 0805 1%
R109
1K5 0805 1%
R114
1K5 0805 1%
R113
1K5 0805 1%
R115
4K7 0805 1%
R111
4K7 0805 1%
R116
4K7 0805 1%
R121
4K7 0805 1%
R122
75R 0805 1%
R112
75R 0805 1%
R37
0R0 0805
R129
2K2 0805
R132
2K2 0805
R137
2K2 0805
R140
2K2 0805
R130
12K 0805
R138
12K 0805
R134
12K 0805
R142
12K 0805
R133
22R 0805
R135
22R 0805
R141
22R 0805
R143
22R 0805
R35
100K 0805
R36
100K 0805
C16
10N 0805
C30
1N 0805
C130
47P NPO 0805
C131
47P NPO 0805
R145
0R0 SM
Not Fitted
Not Fitted
C73
1N 0805
CHS4
01_1076
PG
8/6/01
1.1
01_1106
ROKE MODULE V1.7 + changed R67 & R68
Содержание DiVA DT81
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