27
27
HCD-DZ520K/DZ620K
HCD-DZ520K/DZ620K
6-2. BLOCK DIAGRAM – AMP SECTION –
: AUDIO
• Signal Path
: AUDIO IN
: TUNER
J401
AUDIO IN/MIC 1/
A.CAL MIC
IC401
AMP
Q470-473,476
MO/ST DETECT
IC402
AMP
+9V
MIC2
PLUG DET2
GAIN CONT
ACAL
DC CONT
MO/ST DET
PLUG DET1
Q477-478
PLUG DET
Q474,475
GAIN CONT
IC371
BUFFER
+
+
Q355
RDS DATA
RDS CLK
Q351
IC372
COMPARATOR
+5V
MUTING
Q300,310,320
IC350
AUDIO INPUT SELECTOR
A SEL1
A SEL0
L
R
Q395
Q396
IC360
AMP
IC2200
A/D CONVERTER
LIN
RIN
IC1101 (2/3)
DVD SYSTEM PROCESSOR
AMP D1
AMP MCKO
AMP BCKO
AMP LRCKO
AMP D2
AMP D3
IC501 (2/4)
SYSTEM CONTROL
RDS_DATA
RDS_CLK
TUNED
PLL CK
PLL DO
PLL CE
PLL DI
ACAL
GAIN CONT
MO/ST DET
PLUG DET1
V_SEL0
V_SEL1
DVD_SEL
J203
TV/VCR
TUNER
UNIT
RDS_DATA
L-CH
R-CH
L
R
RDS_CLK
TUNED
PLL CK
PLL DO
PLL CE
PLL DI
D433
D470
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
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299