Arcam CD73 - MAIN BOARD IC Schematics: U401-U405

CD73 COMPACT DISC PLAYER
- 14 -
DA
LRCKIN
ADATA
BCLK
X401A
16.9344MHz
C437
560P PP
R418
2K7 MF
R424 6K8 MF
C441 220P PP
R416
8K5 MF
R428
2K7 MF
R430
1K8 MF
R434
100K MF
C443
1N3 PP
C449
470N PE
C445
100N PB
C447 220P PP
R440
75R MF
R436
1M0 MF
DGND
C410
10U SILMIC
R407
330R MF
C408
10U SILMIC
C411 100N PE
6
5
7
U403B
NJM2114D
2
3
1
U403A
NJM2114D
AGND
R438
1K0 MF
R432
3K9 MF
L401
BL01RN1
AVDD
VOUTLN
VOUTLP
VMIDL
AGNDL
AVDDL
ZERO
RSTB
CSBIWO
MODE
MUTEB
MD/DM0
MC/DM1
ML/12SLRCIN
DIN
BCKIN
MODE8X
SCLK
DIFFHW
DGND
DVDD
AVDDR
AGNDR
VMIDR
VOUTRP
VOUTRN
AGND
215
16
17
18
19
20
21
22
23
24
25
26
27
281
2
3
4
5
6
7
8
9
10
11
12
13
14
U401
WM8740
C407
100N PE
C409
100N PE
C412
100N PE
+5V(DAC)
+5V(DAVC)
C414
100N PE
C413
10U SILMIC
AGND
C418
10U SILMIC
C417
100N PE
C415
100N PE
C416
10U SILMIC
+5V(DAC)
+5V(DAC)
R445
10K MF
D406
1N4148
EMPH
C435
560P PP
R422
2K7 MF
R414
8K2 MF
C439
220P PP
R420
6K8 MF
2
3
1
U405A
TL072CP
R426
680R MF
-12V(A) -12V(A)
RLY401A
DPDT
C438
560P PP
R419
2K7 MF
R425 6K8 MF
C442 220P PP
R417
8K5 MF
R429
2K7 MF
R431
1K8 MF
R435
100K MF
C444
1N3 PP
C450
470N PE
C446
100N PB
C448 220P PP
R441
75R MF
R437
1M0 MF
6
5
7
U404B
NJM2114D
2
3
1
U404A
NJM2114D
R439
1K0 MF
R433
3K9 MF
C436
560P PP
R423
2K7 MF
R415
8K2 MF
C440
220P PP
R421
6K8 MF
6
5
7
U405B
TL072CP
R427
680R MF
-12V(A) -12V(A)
RLY401B
DPDT
L402 BL01RN1
+5V(DAC)
C421
100N PE
C419
100N PE
C420
10U SILMIC
1
2
3
4
M404
8
4
U403C
NJM2114D
8
4
U404C
NJM2114D
8
4
U405C
TL072CP
-12V(A)
+12V(A)
C403
100N PE
C404
100N PE
C405
100N PE
C406
100N PE
C402
100N PE
C401
100N PE
12
U402A
74HCU04
34
U402B
74HCU04
56
U402C
74HCU04
98
U402D
74HCU04
11 10
U402E
74HCU04
13 12
U402F
74HCU04
14
7
U402G
74HCU04
R409
330R MF
R410
1M0 MF
R408 4M7 MF
R411
330R MF
R412
120R MF
R413
120R MF
1
2
3
Q403
BC547B
R405
33K MF
R406
1K0 MF
R404
33K MF
C428
33P CD
C429
100P CD
C430
100P CD
C431
10N CD
C425
100N CD
C432
1N0 CD
C433
10P CD
C434
10P CD
L403
BL01RN1
C426
22U EL OS
C427
10N CD
+5V(D)
17MHz
DACLK
L405
33uH AX
L404
BL01RN1
R402
10K MF
R403
1M0 MF
R401
10K MF
C422
100N CD
C423
100N CD
D402
1N4148
C424
47U EL
+5V(D)
RESET
DACLK
12
U407A
74HCU04
34
U407B 74HCU04
56
U407C
74HCU04
98
U407D 74HCU04
11 10
U407E 74HCU04
13 12
U407F
74HCU04
14
7
U407G
74HCU04
R453
120R MF
R454
10R MF
R455
10R MF
R456
10R MF
R457
10R MF
R464
10R MF
R452
10R MF
C458
470N PE
C462
10N CD
C463
22U EL OS
I/P
1
3
2
GND
VCC
M406
OPTICAL OUTPUT
+5V(D)
+5V(D)
DIGOP
1
2
M407
DIGITAL OUT
R451
75R
1
2
3
4
L406
R450
150R
C466
2200p
Vin
GND
Vout
1
2
3
M402
DSS9H
C467
104K
J401
C465
22u/10V
C464
1000p
AGND
AGND
AGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
(TO M405)
1
2
M401A
L
1
2
M401A
R
3
2
M401B
R
3
2
M401B
L
1
2
3
4
M405
C453
470P NPO
C452
470P NPO
C451
100N CD 50V
C455
470P NPO
C454
470P NPO
EMC
EMCGND
AGND
SNAP OFF BOARD
MUTE
D404 1N4148
1
2
3
Q407
2SD655F
1
2
3
Q408
2SD655F
1
2
3
Q409
2SD655F
1
2
3
Q410
2SD655F
R475
4K7
R473
75R MF
R474
75R MF
R477
4K7
R478
4K7
R476
4K7
R479
4K7
-12V(A)
OPTION
+5V(A) +5V(DAC)
PL401
JUMPER
(DAC enable jumper)
PL400
JUMPER
(Oscillator enable jumper)
(Master clock to DAC)
(Master clock to DSP)
C472
3N3
C473
3N3
NF
R442
22R
C456
4700uF/6.3V ZL
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%.
UNLESS OTHERWISE SPECIFIED.