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HCD-DZ820KW
Q Q
6-3. BLOCK DIAGRAM – AUDIO SECTION –
3 7 6 3 1 5 1 5 0
J401
AUDIO IN/
MIC1/
IC401
AMP
A.CAL MIC
–
6
7
L
+
5
R
+
3
1
–
2
Q470-473,476
MO/ST DETECT
D470
Q474,475
GAIN CONT
D433
IC402
AUDIO AMP
J402
–
5
MIC2
+
Q477,478
6
PLUG DET
3
+
–
2
2
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
8
7
5
IC371
BUFFER
Q393
1
2
4
Q391
IC301
OPTICAL
IN
DIGITAL IN
TV/VCR1
1
OUT
OPTICAL
J302
DIGITAL IN
TV/VCR2
COAXIAL
(1/3)
J203
L
L
TV/VCR1
R
R
L-CH
AM
R-CH
TUNED
TUNER
PLL CK
UNIT
FM
Ω
PLL DO
75
COAXIAL
PLL CE
PLL DI
w w w
HCD-DZ820KW
L-CH
R-CH
Q300,310,320
MUTING
GAIN CONT
DC CONT
MO/ST DET
PLUG DET1
7
1
IC372
COMPARATOR
–
1
+
MIC CLK
MIC DATA
D432
D431
• Signal Path
: AUDIO
: AUDIO IN
: TUNER
x
a o
: MIC
: DIGITAL IN(OPTICAL IN)
.
i
: DIGITAL IN(COAXIAL IN)
http://www.xiaoyu163.com
IC350
AUDIO INPUT SELECTOR
11 X3
IC360
AUDIO AMP
L
15 X2
L
14 X1
13
3
+
LIN
X
1
–
L
2
12 X0
R
+
3
5
RIN
Y
7
4 Y3
–
6
R
2 Y2
5 Y1
R
1 Y0
A
B
10
9
IC701
A/D CONVERTER
Q395
Q396
19 AINL
DOUT
2
MCLK
1
LRCK
3
BCLK
6
16 AINR
4
Y
A
1
IC771
AND GATE
Q
Q
12.288MHz
3
7
IC302
INVERTER
2
4
75 RDS_CLK
76 RDS_DATA
82 A-SEL0
83 A-SEL1
91 A-SEL2/A-CAL
GAIN CONT
26 MIC GAIN
DC CONT
28 DC CONT
MO/ST DET
90 MONO/ST DET
PLUG DET1
100 MIC/A CALSW
TUNED
69 TUNED
PLL CK
70 ST_CLK
PLL DO
71 ST_DO
PLL CE
72 ST_CE
PLL DI
73 ST_DI
V_SEL0
79 V_SEL0
V_SEL1
80 V_SEL1
VIDEO
V_SEL2
D
84 V_SEL2
SECTION
CN502
u 1 6 3
(Page 31)
y
I
2
C CLK
3
29
SOFT JIG
I
2
C DATA
4
30
30
30
http://www.xiaoyu163.com
2
4
8
9
9
BCK
LRCKO
BCKO
D1
RF SECTION
A
D2
(Page 28)
D3
MCKO
MCK
IC704
SELECTOR
LRCK0
10
3B
A/B
1
11 3A
3Y
9
BCKO
6 2B
2Y
7
5 2A
D1
3 1B
1Y
4
2 1A
4Y
12
14 4A
MCK0
13 4B
IC702
DIGITAL AUDIO
INTERFACE
B
BCK
14
2
15
LRCK
13 CKOUT
AUDIO
24
34
ERROR
XSTATE
22
XIN
17
X701
XSTATE
36
DI
6
3
1
5
1
5
DIR_HDOUT
0
8
9
21
XOUT
DO
35
DIR_CLK
38
CL
DIR_HCE
4 DIN1
CE
37
CS FLAG
25
CFALAG
DIR_RST
48
5
DIN2
DIR_ZERO
DATA
16
49
XMOD
58
57
IC501 (3/4)
SYSTEM CONTROLLER
m
c o
I2C CLK
I2C DATA
.
2
8
9
9
IC2
DIGITAL AUDIO PROCESSOR
D2
CLKIN
142
80
DAI-P13
X1
D3
25MHz
81
DAI-P14
XTAL
143
BCK
87
DAI-P17
79 DAI_P12
LRCKO
E
DAI_P16
86
94 DAI_P20
BCKO
DAI_P17
87
MCKO
AMP
DAI_P20
94
89
DAI_P19
D1
SECTION
DSPOA
64
88
DAI_P18
D2
(Page 29)
65
DSPOB
D3
DSPOC
70
97 FLAG2
16 FLAG1
SPICLK
127 HDIN
125
78 DSPIA
RESET
121
15 FLAG1
MISO
126
122 SPIDS
2
4
9
8
2
9
9
3
56
5
63 7 59 61
58
19 60 18
6
55
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