HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
45
45
6-14. SCHEMATIC DIAGRAM – MAIN Board (7/9) –
• See page 31 for waveform. • See page 58, 59, 60 for IC Block Diagrams.
3.3
0
0
0
1.2
0.1
1.7
3.3
1.5
2.9
2.9
3.3
0
0.1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
1.5
1.6
1.6
0
3.3
3.3
1.5
1.5
0
2.5
2.5
3.3
1.2
1.6
2.5
5
3.3
1.5
1.6
(DZ270/HDZ278)
DZ260/HDZ278
3.3
3.3
0.1
1.7
1.7
ICT518
TP708
TP707
TP706
TP705
TP704
TP703
TP702
TP711
TP710
TP709
A5V
A-GND
D-GND
0
R721
R729
100
100
R730
1k
R731
0.1
C722
TP729
1M
R733
12.288 MHz
X701
100
R736
ICT527
ICT526
ICT528
ICT529
100
R738
R740
0
R741
0
0.1
C727
100
R735
100
R734
100
R726
100
R718
100
R717
0.1
C723
0.01
C721
ICT523
ICT524
10V
220
C720
0.01
C716
0.1
C719
0.1
C711
C712
0.01
R713
33k
R716
100
R715
5.6K
R714
4.7k
ICT533
ICT532
10V
220
C709
C317
0.1
IC301
TORX147L
R329
470
R328
75
1
2
R319
47K
R317
100
R318
100
C315
100 16V
C313
100 16V
C314
0.1
C312
0.1
ICT517
ICT519
R691
0
R692
0
R693
0
R694
0
R695
0
R696
0
D-GND
D3.3V
D3.3V
D-GND
D-GND
ASD0
ASD1
ASD2
BCKO
LRCKO
MCKO
R778
0
47
R780
47
R781
ABCK
ACLK
ALRCK
ADIN
R782
22
R783
22
R784
22
R785
22
ICT588
ICT587
ICT581
ICT589
ICT582
ICT555
ICT556
ICT557
ICT558
ICT559
ICT560
ICT561
ICT562
ICT563
ICT564
ICT565
ICT568
ICT569
ICT570
ICT572
ICT573
0
R790
R791
0
C774
0.1
50V
C775
10
50V
10
C706
50V
10
C717
50V
10
C705
0.1
C707
0.1
C708
0.1
C718
1
2
3
4
5
5P
CN702
MUSIC L+R
A-GND
R-IN
A-GND
L-IN
C3073
0.1
TC7WH157FK(TE85R)
IC3003
R3079
100
M_ST
0.1
C3072
R3097
100
R3077
100
R3078
100
C710
0.01
C724
10p
C725
10p
R732
330
MC2837
D701
E
EB702
R743
100
R744
0
R745
0
R746
0
R747
0
R748
0
R765
0
R766
0
R767
0
R768
0
R769
0
R749
0
R750
100
SPMCK
SPBCK
SPLRCK
SPDATA
MDIR_XSTATE
MDIR_AUDIO
MDIR_ERROR
XSYSRST
MDIR_CL
MDIR_CE
MDIR_DI
MDIR_DO
MDIR_CSFLAG
ASD3
R697
0
R763
0
R793
0
R788
0
R794
0
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
DISEL(I)
SPDIF(O)
DIN0(I)
DIN1(I)
DIN2(I)
DGND
DVDD
SDIN / R
AGND / VIN
LPF(O)
AVDD
AGND
AMP_D2
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
AMP_D1
R709
0
R796
0
R764
0
TP700
10uH
L701
10uH
L702
10uH
L302
10uH
L301
10uH
L703
R710
10k
R720
10k
R737 10k
R742 10k
R797
0
FRONT
ASD0
REAR
ASD1
C/SW
ASD2
BCKO
MCKO
ASD3
DMIX L/R
LRCKO
MCKO
ASD2
ASD1
ASD3
LRCKO
BCKO
ASD0
DATA SELECT
IC3003
MAIN BOARD (7/9)
5
3
A
1
H
7
10
11
D
9
2
8
6
E
4
B
C
5
4
IC707
IC302
TC7SHU04FU (T5RSOJF)
WAVE SHAPER
IC302
OPTICAL RECEIVER
IC301
OPTICAL
IC707
PCM1808PWR
A/D CONVERTER
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299