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87654321
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DRAWING NO.
DRAWING TITLE
Drawn by:
DATE
Filename
ECO No. DESCRIPTION OF CHANGE
G:\DATA\ECO\ECO AGENDA\00 1093 L887PB 2\L887 2\L887 2.ddb - L887c3 2.sch
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
CD72, CD92 CD Players
Circuit Diagram
L887C3_2
CW12-Oct-2000
INITIALS
Date Printed
3 4Sheet of
Notes
R2
3K3 MF
R3
1K6 MF
R5
3K3 MF
R6
3K3 MF
R7
2K2 MF
R9
6K8 MF
R10
22K MF
R11
120R MF
R12
22R MF
R13
1K2 MF
R102
3K3 MF
R103
1K6 MF
R104
3K3 MF
R105
3K3 MF
R106
3K3 MF
R110
22K MF
R111
120R MF
R112
22R MF
R113
1K2 MF
Vin
I
GND
G
Vout
O
Z203
78L05
X1
16.9344MHZ
C13
33P CD
R18
33K MF
R19
33K MF
C15
100P CD
C16
100P CD
R21
1K0 MF
Q2
BC547B
C17
10N CD
C10
1N0 CD
C12
10N CD
R23
120R MF
R24
10R FU
Analogue ground
34
Z202B
74HCU04
12
Z202A
74HCU04
56
Z202C
74HCU04
8 9
Z202D
74HCU04
10 11
Z202E 74HCU04
1213
Z202F
74HCU04
14
7
Z202G
74HCU04
R25
120R MF
N12V
P12V
C6
680P PP
C7
680P PP
L1
7F003
Analogue Ground
Analogue Ground
Q3
BC557B
R14
10K MF
R15
10K MF
N12V
SH1
EMCPHONO2
GFS
FOK
WDCK
LRCK
BCLK
ADATA
R35
4M7 MF
ADATA
BCLK
LRCK
17MHZ
17MHZ
DATA
CLK
PGML
CLK
DATA
SUBQ
SENSE
XLT
LDON
DIGOUT
AMUTE
SQCK
SCOR
R22
390R MF
R36
1K5 MF
C14
33P CD
C18 10N CD
C19
10N CD
DIGOUT
P5V
P7V
Flex connector from CDM14 mech
SMUTE
P5V DAC
Data connector to DAC PCB
R31 330R MF
R32 330R MF
R33 330R MF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
SK203
FFC32V
HDCD
RB3
17MHZ
WD
LRCK
ADATA
BCLK
DIGOUT
DEEM
SMUTE
RA0
RB7
RB6
RB5
RB4
RB0
RB1
RB2
EMC
SK5
PHONO1
D1
1N4148
D2
1N4148
R20
22R MF
D3
1N4148
R17
10K MF
P5V
SCLK
12
34
56
78
910
1112
1314
1516
PL1
D L16 VPLG
P5V DAC(A7)
P5V DAC(A7)
P11V CLK
D21
1N4148
PMUTE
PMUTE
L4
33UH AX
L5
33UH AX
R56
330R MF
R57
330R MF
XRST
PMUTE
VOUTL
LEFT1
LOUT
ROUT
RIGHT1
VOUTR
ADATA
LRCK
BCLK
WDCK 17MHZ
DIGOUT
P5VCLK
AUDGND
DACGND
DIGOUTP
DIGOUTN
A7DAC5V
R16
330R MF
WD
L
R
+
C29
100U EL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
SK201
FFC23V
+
C27
10U EL
Q4
BC547B
D20
4V7 400MW
P12V
R30
10K MF
Q5
BC547B
R28
10K MF
Q6
BC547B
R34
10K MF
P5V
TP13
Mute
TP11
17MHz
TP8
TP9
TP10
LRCK
ADATA
BCLK
Q_14 Q_15
TP14
C21
10U NP
R49
68R MF
R62 220R MF
C20
680P PP
C28
1N0 PP
C11
680P PP
3
2
1
Z1A
NJM2114
5
6
7
Z1B
NJM2114
3
2
1
Z101A
NJM2114
84
Z1C
NJM2114
84
Z101C
NJM2114
1
EMC
SK4
PHONO2HG
DAC & Audio outputs
LRCIN
1
DIN
2
BCKIN
3
CLKO
4
XTI
5
XTO
6
DGND
7
Vdd
8
Vcc2R
9
AGND2R
10
EXT1R
11
NC
12
VOUTR
13
AGND1
14
Vcc
15
VOUTL
16
NC
17
EXTL
18
AGND2L
19
Vcc2L
20
ZERO
21
RST
22
CS/IWO
23
MODE
24
MUTE
25
MD/DM0
26
MC/DM1
27
ML/IIS
28
Z201
PCM1716#
1 2
LK14
10MM L NK
1 2
LK66
10MM L NK
DEEM
Q_13 Q_16 Q_17
Q_18
5
4
1
2
3
SCRN
T202
DIGOUT_TX
P5V TOS
+
C8
22U EL OS
C1
10N CD
R69
8k2 MF
Gnd
1
Radj
2
Vcc
3
Vin
4
RFB011T
GND
Z2
TOTX173
+
C23
100U EL
+
C24
100U EL
+
C22
100U EL
+
C26
100U EL
+
C25
22U EL OS
+
C4
10U CERAFINE
Vin
I
GND
G
Vout
O
Z3
78L05
+
C9
100U EL
+
C30
22U EL
P12V
P5VTOS
R70
470R FU
R60
10K MF
+
C31
10U EL
D24
1N4148
Q1
FST239
Q101
FST239
1 2
LK12
10MM LINK
1 2
LK105
10MM LINK
1 2LK106
10MM L NK
R66
220R MF
-
C59
22P CD
C60
22P CD
C61
22P CD
C66
10P CD
R1
120R MF
CGND1
CGND1
CGND3
WF 07-04-00 A
NEW PROTOTYPE
R4
3K3 MF
C3
1N3 PP
C103
1N3 PP
C2
470P PP
C102
470P PP
C65
1N0 CD
L2
33UH AX
XRST
XRST
XRST
AMUTE
DEEM
SMUTE
AMUTE
RMIN
PGML
CLK
DATA
SCOR
SQCK
XRST
LDON
XLT
SENSE
SUBQ
DEEM
SMUTE
AMUTE
RMIN
PGML
CLK
DATA
SCOR
SQCK
XRST
LDON
XLT
SENSE
SUBQ
R107
2K2 MF
R109
6K8 MF
5
6
7
Z101B
NJM2114
+
C104
10U CERAFINE
C304
1N0 CD
C17 to be as close as possible
to Q2 collector
C301
10N CD
R309
680R MF
R310
680R MF
C105
1N0 PP
C5
1N0 PP
C302
470P PP
C303
470P PP
CL 13-07-00 REVISIONS B
CL 15-09-00 EARTH LINK 8M101 ADDED 1.1
00_1083
C64
100N CD
R29
560R MF
R26
68K MF
1
2
3
SW201A
A1014
TRACKS MOVED TO CLEAR P LLARS & C64 ADDED FOR EMC00_1093 2CW 11-10-00
CL 03-08-00 PRODUCTION RELEASE 1
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