HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
41
41
6-13. SCHEMATIC DIAGRAM - MAIN Board (6/10) -
• See page 59 for Waveforms. • See page 62 for IC Block Diagrams.
L
I/O
BOARD
CN4012
5
IC B/D
IC B/D
IC B/D
(3/10)
MAIN
9
BOARD
(7/10)
MAIN
32
BOARD
BOARD
31
MAIN
(7/10)
BOARD
12
MAIN
(4/10)
BOARD
30
MAIN
(8/10)
MAIN
BOARD
14
(4/10)
MAIN
BOARD
28
(10/10)
MAIN
BOARD
29
(7/10)
MAIN
BOARD
17
(5/10)
MAIN
BOARD
21
(5/10)
MAIN
BOARD
27
(10/10)
INCLUDE
K1
BOARD
S-AIR
CN804
S-AIR-CON
CN100
K2
BOARD
0
0
3.3
3.3
3.3
0.1
1.7
3.3
1.6
3
3
3.3
0
0.1
3.3
3.3
3.3
1.6
1.6
1.7
0
0
3.3
3.3
1.6
1.5
1.7
1.5
5
3.3
2.5
3.3
1.3
1.6
2.5
2.5
0
1.3
3.3
3.3
1.3
R302
100
R304
100
R307
100
R310
100
CL305
CL306
CL309
CL310
CL311
CL312
CL322
CL319
CL320
CL321
CL323
CL324
CL325
CL332
CL333
CL334
5V
A-GND
OPT-IN
COAX-IN
0
R348
100
R368
100
R369
1k
R374
0.1
C325
CL356
1M
R370
100
R372
100
R395
0
R397
0
R396
0.1
C329
100
R364
100
R362
100
R334
100
R337
100
R338
0.1
C323
0.01
C316
10V
220
C315
0.01
C317
0.1
C321
0.1
C319
C320
0.01
33k
R330
100
R340
R335
5.6k
R329
4.7k
10V
220
C304
0
R350
0
R351
0
R352
0
R353
0
R354
0
R355
D3.3V
ASD0
ASD1
ASD2
BCKO
LRCKO
MCKO
R347
0
R333
0
47
R332
47
R331
ABCK
ACLK
ALRCK
ADIN
R316
22
R317
22
R318
22
R319
22
CL364
CL365
CL369
CL336
CL338
CL339
CL342
CL350
CL349
CL348
CL337
CL335
CL304
CL303
CL302
CL301
CL340
CL344
CL345
CL341
0
R327
R328
0
50V
10
C313
50V
10
C311
50V
10
C314
0.1
C310
0.1
C309
0.1
C308
1
2
3
4
5
5P
CN303
R-IN
A-GND
L-IN
A-GND
C334
0.1
8
7
6
5
4
3
2
1
TC7WH157FK(TE85R)
IC307
A
B
Y
GND
Y
A/B
G
VCC
R412
100
M_ST
0.1
C333
R413
100
R409
100
R410
100
C318
0.01
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC303
PCM1808PWR
V
ref
AGND
AV
cc
DVdd
DGND
SCKI
LRCK
BCK
DOUT
MOD0
MOD1
FMT
V
inL
V
inR
7p
C326
7p
C327
330
R371
R306
100
R308
100
R309
100
R394
100
R380
0
R379
0
R378
0
R377
0
R375
0
R388
0
R389
0
R399
0
R400
0
R401
0
R387
0
R373
100
SPMCK
SPBCK
SPLRCK
SPDATA
MDIR_XSTATE
MDIR_AUDIO
MDIR_ERROR
XSYSRST
MDIR_CL
MDIR_CE
MDIR_DI
MDIR_DO
MDIR_CSFLAG
ASD3
R349
0
R402
0
R301
100
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
LC89056W
IC304
DISEL(I)
SPDIF(O)
DIN0(I)
DIN1(I)
DIN2(I)
DGND
DVDD
SDIN / R
AGND / VIN
LPF(O)
AVDD
AGND
CKOUT(O)
BCK(O)
LRCK(O)
DA
TA(O)
XST
A
TE(O)
DGND
DVDD
XMCK(O)
XOUT(O)
XIN(I)
EMPHA(O)
AUDIO-(O)
CSFLAG(O)
F0(O)
F1(O)
F2(O)
VF(O)
DVDD
DGND
VREF / LOCK(O)
BPSYNC(O)
ERROR(O)
DO(O)
DI(I)
CE(I)
CL(I)
XSEL(I)
MODE0(I)
MODE1(I)
DGND
DVDD
DOSEL0(I)
DOSEL1(I)
CKSEL0(I)
CKSEL1(I)
XMODE(I)
AMP_D2
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
AMP_D1
R359
0
R360
0
R376
0
CL327
10uH
L302
10uH
L301
10uH
L303
R363
10k
R365
10k
P_CONT3
S-AIR
R303
100
CL307
CL308
CL313
CL314
CL315
CL316
CL331
CL360
CL370
CL366
CL367
CL346
CL347
CL353
CL352
CL357
CL358
CL359
CL361
CL362
CL363
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN306
R305
100
R414
0
24.576MHz
X301
0
R415
0
R416
2.2
C303
2.2
C305
R403
100
D-GND
10k
R393
10k
R392
ACLK
ABCK
ALRCK
DIR_XSTATE
S-AIR_SCL
S-AIR_ADC_SEL
GPIO2
S-AIR_RST
S-AIR_SDA
S-AIR_DET
AUDIO SELECTOR
IC307
(6/10)
MAIN BOARD
GND
I2C_SDA
RESET
GPIO2
LRCK
S-AIR_DET
SD2(SL/SR)
GND
ADC_SEL
I2C_SCL
SD1(DMIX/XM)
P-CONT3
BCK
XVOICE
IC304
DIGITAL AUDIO
A/D CONVERTER
IC303
INTERFACE RECEIVER
HDX685
HDX285/
HDX585/
J
4
B
16
6
9
11
D
15
H
10
17
3
5
12
C
F
1
E
8
G
14
A
2
13
I
7
HDX589W/HDX686W
HDX287WC/HDX578WC/
(Page 50)
(Page 49)
(Page 40)
(Page 45)
(Page 45)
(Page 39)
(Page 42)
(Page 40)
(Page 53)
(Page
38)
(Page 43)
(Page
39)
(Page
42)
(Page 42)