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HCD-FL3
51
51
8-22. SCHEMATIC DIAGRAM – DSP Board (2/3) –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
R715
R765
R691
R692
R693
C710
C760
C759
C709
C761
C711
C765
C715
C713
C763
C792
R790
C791
Q710
R709
R759
C784
C783
C782
C734
C781
C733
C736
C735
C770
C772
R773
C771
R770
R772
C698
C720
R774
R723
C721
C722
R720
R724
Q751
Q701
C732
C731
R719
R729
CN601
CN702
CN703
C753
C703
TP705
TP706
TP703
TP704
TP701
TP702
C769
C718
C768
C719
R741
D
74
1
D
7
4
2
C
74
7
C726
R735
R737
R781
C775
R783
C725
R731
Q753
Q702
R730
R784
R734
Q703
R738
Q704
Q754
R788
R745
R746
C749
R747
R750
C723
R727
R779
Q752
R780
R777
C773
D
60
6
R769
R717
R767
C690
C689
C701
C751
R705
R707
R755
R757
C743
TP711
TP712
R768
C
7
3
0
C729
C748
R743
R722
JR741
IC704
R725
IC
7
0
2
Q711
R718
IC703
C786
C785
R
7
2
6
R776
R
7
7
5
C787
J701
JR701
JR702
JR706
NO803
R710
JR708
R702
R752
R704
R754
C754
C704
C752
C702
R703
R753
R701
R751
R787
C776
R785
R733
R744
JR710
R740
C699
C789
FB703
FB704
FB703
FB704
C708
C758
C762
C712
C764
C714
C716
C766
FB702
FB702
C741
R742
0
0
100
100
100
10 50V
10 50V
1 50V
1 50V
10 50V
10 50V
10 50V
10 50V
10 50V
10 50V
0.1
10k
220
10V
2SC1623
1k
1k
100
16V
100
16V
0.1
0.1
220
10V
47
10V
0.1
47
10V
10
50V
0.1
100k
0.1
33k
47k
0.47
50V
10
50V
6.8k
100k
0.1
0.1
33k
6.8k
2SC1623
2SC1623
0.1
47
10V
1M
10k
11P
7P
9P
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
1k
1
S
S
35
5
1
SS
3
5
5
1
5
0V
10
50V
1k
10k
1k
10
50V
10k
10
50V
1k
2SC3624
2SC3624
10k
10k
10k
2SC3624
10k
2SC3624
2SC3624
10k
1k
10k
0.1
6.8k
0
10
50V
1k
10k
2SC3624
10k
1k
10
50V
1
S
S
3
5
5
47k
0
0
0.1
100
16V
10 50V
10 50V
1k
1k
1k
1k
0.1
100
1
0
5
0
V
0.1
0.1
10k
47k
0
NJM4565V
10k
B
U
40
53
BC
F
V
FA1F4N
10k
NJM4565V
0.1
10
50V
1
5
k
15k
1
0
k
10
50V
0
0
0
3P
1k
0
100k
100k
100k
100k
220p
220p
220p
220p
1k
1k
1k
1k
10k
10
50V
1k
10k
15k
0
15k
0.1
0.1
0
0
1000p
1000p
1000p
1000p
1000p
1000p
1000p
1000p
0
0.1
100k
A1
A3
C
1
C
2
C
3
C
4
C
5
C
6
C
1
0
C
1
1
C
1
2
E1
E2
E3
E4
E5
E6
E7
E8
E9
F1
F2
F3
H1
H2
H3
H4
H5
H6
H1
H2
H3
H4
H5
H6
I1
I2
I3
I4
I1
I2
I3
I4
A+5V
SP-MODE
LINE-MUTE
TUNER R-IN
TUNER L-IN
REC-L
PB-L
A-GND
REC-R
PB-R
MIC-SIG
MIC-GND
MIC+10V
A-GND(AD/DA)
DIR_RST
A+10V
DAC_LAT
(2/3)
REAR L
REAR GND
REAR R
FRONT L
FRONT GND
FRONT GND
FRONT R
CENTER GND
CENTER
SW GND
SW
MUTING
MUTING
MUTING
MUTING
MUTING
MUTING
COMPARATOR
LINE AMP,
2.1/MULTI
CHANNEL
SELECT SWITCH
Q711
2.1/MULTI
CHANNEL SELECT
COMPARATOR
Q701,751
DBFB CONTROL/
FEED BACK SWITCH
L
R
L
R
OUT
IN
MD(VIDEO)
(CHASSIS GND)
DBFB FEEDBACK
(AUS)
(AUS)
(EXCEPT AUS)
(EXCEPT AUS)
(AUS)
(EXCEPT AUS)
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