30
30
HCD-DZ820KW
HCD-DZ820KW
6-3. BLOCK DIAGRAM – AUDIO SECTION –
: AUDIO
• Signal Path
: AUDIO IN
: DIGITAL IN(OPTICAL IN)
: DIGITAL IN(COAXIAL IN)
: TUNER
: MIC
IC401
AMP
Q470-473,476
MO/ST DETECT
GAIN CONT
DC CONT
MO/ST DET
PLUG DET1
Q474,475
GAIN CONT
MUTING
Q300,310,320
IC350
AUDIO INPUT SELECTOR
A SEL1
A SEL0
10
9
L-CH
R-CH
Q395
Q396
IC360
AUDIO AMP
LIN
RIN
TUNED
PLL CK
PLL DO
PLL CE
PLL DI
GAIN CONT
MO/ST DET
PLUG DET1
V_SEL0
V_SEL1
V_SEL2
J401
AUDIO IN/
MIC1/
L
R
PLL DO
PLL CE
PLL DI
D433
D470
DC CONT
I
2
C CLK
I
2
C DATA
3
4
CN502
SOFT JIG
L
L
L
R
R
R
A.CAL MIC
FM
75
COAXIAL
Ω
TV/VCR2
TV/VCR1
IC402
AUDIO AMP
IC372
COMPARATOR
IC371
BUFFER
J402
MIC2
D432
D431
Q477,478
PLUG DET
Q393
MIC CLK
MIC DATA
Q391
IC702
DIGITAL AUDIO
INTERFACE
XSTATE
DIR_HDOUT
DIR_CLK
DIR_HCE
CS FLAG
DIR_RST
D2
D3
BCK
MCK
X701
12.288MHz
X1
25MHz
LRCKO
BCKO
MCKO
D1
D3
D2
IC302
INVERTER
IC771
AND GATE
IC701
A/D CONVERTER
IC2
DIGITAL AUDIO PROCESSOR
IC704
SELECTOR
LRCK0
BCKO
D1
MCK0
2
DIR_ZERO
DIR_DATA
DIN
DIN
DIR_HDOUT
DIR_CLK
DIR_CLK
DIR_HCE
XSTATE
DIR_RST
CSFLAG
DIR_RERR
DIR_RERR
DIR_ZERO
LRCKO
BCKO
D1
D2
D3
MCKO
MCK
IC301
OPTICAL
1
2
4
DIGITAL IN
OPTICAL
IN
BCK
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
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299