HCD-FL7D
7171
8-33. SCHEMATIC DIAGRAM – DSP Board (2/3) –
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
TP716
TP715
TP714
TP713
R691
R692
R693
C710
C760
C759
C709
C792 R790
C791
Q710
R709
R759
C783
C770
C772
R773
C771 R770 R772
C698
C720
R774
R723
C721
C722
R720
R724
Q751
Q701
C731
R719
R729
CN601
CN702
CN703
TP705
TP706
TP703
TP704
TP701
TP702
C718 C768
R741
D
7
4
1
D
74
2
C
7
4
7
C726
R735
R781
C775
C725
R731
Q753
Q702 R730
R784
R734Q703
R738Q704
Q754 R788
R745
C749
C723
R727
R779
Q752 R780
R777C773
D
60
6
R769R717
C690
C689
C701
C751
R705 R707R755 R757
TP711
TP712
R768
C
7
30
C748
R722
JR741
IC704
R725
IC
7
0
2
Q711
R718
IC703
C786
R
7
2
6
JR701
JR702
NO803
R701
R787
C776
R785
R733
JR710
IC701
R740
C708
C758
C762
C712
C764
C714
C716
C766
C741
R742
FB702
FB703
R765
R715
R
7
7
5
R767
R776
R680
C
7
8
9
C793
R792
R793R791
Q792
Q790
F
B
7
0
4
R689
R690
C763
C711
C761
C713
C715
C765
R695
R
6
9
4
Q793
R794
Q
7
9
1
R
7
50
JR705
R737
JR703
JR704
R783
R743
R744
R747
R752R702
C702 C752 R704
R754
C754C704
R751
R703 R753
J701
C
6
9
9
C753
C703
C719 C769
R746
C
73
2
C784
C
7
8
1
C
7
8
2
C
7
3
4
C
7
3
5
C
7
3
3
C
7
3
6
FB710
JR710
FB709
JR708
FB708
JR707
C743
JR711
FB711
R710
JR712
JR706
P6
P5
P4
P3
100
100
100
10 50V
10 50V
1 50V
1 50V
0.1 10k
220
10V
2SC1623
1k
1k
100
16V
10
50V
0.1
100k
0.1 3 3k 47k
0.47
50V
10
50V
6.8k
100k
0.1
0.1
33k
6.8k
2SC1623
2SC1623
47
10V
1M
10k
11P
7P
9P
10
50V
10
50V
1k
1
SS
3
5
5
1
SS
3
5
5
1
5
0
V
10
50V 1k
1k
10
50V
10
50V 1k
2SC3624
2SC3624 10k
10k
10k2SC3624
10k2SC3624
2SC3624 10k
1k
0.1
10
50V 1k
10k
2SC3624 10k
1k10
50V
1
S
S
3
55
47k0
0.1
100
16V
10 50V
10 50V
1k 1k1k 1k
100
10
5
0
V
0.1
47k
0
NJM4565V
10k
B
U
4
05
3B
C
FV
FA1F4N
10k
NJM4565V
0.1
1
5
k
0
0
3P
1k
10k
10
50V 1k
10k
0
M61520FP
15k
1000p
1000p
1000p
1000p
1000p
1000p
1000p
1000p
0.1
100k
0
0
0
0
1
0
k
0
15k
100
0
.1
10
50V
47k
10k22k
2SC4738F
-Y/GR
DTC114EE
-TL
0
100
100
10 50V
10 50V
10 50V
10 50V
10 50V
10 50V
100k
1
0
0k
2SC4738F
-Y/GR
10k
D
T
C
1
1
4
T
E
-L
L
0
0
10k
0
0
10k
4.7k
10k
8.2k
100k100k
220p 220p 100k
100k
220p220p
1k
1k 1k
0
.1
10
50V
10
50V
10 50V
10 50V
10k
0
.1
100
16V
2
2
0
1
0
V
0
.1
0
.1
4
7
1
0
V
4
7
1
0
V
0
.1
0
0
0
0
0.1
0.1
0
0
1k
0
0
A1
A3
C
1
C
2
C
3
C
4
C
5
C
6
C
1
0
C
1
1
C
1
2
C
1
3
C
1
4
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
INIT
SYNC
SEL
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
INPUT SELECT
SWITCH,
ELECTRICAL
VOLUME
(CHASSIS GND)
DBFB FEEDBACK
(EXCEPT EA,MX,SP)
(EA,MX,SP,KR)
(EA,MX,SP,KR)
(EA,MX,SP,KR)
Q792,793
MUTING
MUTING
Q790,791
CONTROL
(U
S,CN
D,AE
P,UK)
(US,C
ND,AEP,UK
)
(US,CND,AEP,UK)
L R L R
OUT IN
MD(VIDEO)
VIDEO(MD)
(EXCEPT US,CND)
(US,CND)
(AEP,UK,KR)
(A
EP,UK,KR)
(AEP,UK,KR) (US,CND)(EA,MX,SP)
A-GND
(AEP,UK,KR)
(EA,MX,SP)
(US,CND)
(AEP,UK)
(AEP,UK,KR)
(EA,MX,SP)
(Page 70)
(Page
67)
(Page 87)
(Page 72)
(Page 77)
(Page 73)
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
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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