Service manual
HT-DD5000/C
– 18 –
A
B
C
D
E
F
G
H
1
23456
Figure 18 SCHEMATIC DIAGRAM (3/12)
NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
C764
15P
D741
1N4004
D678
1N4148
D677
1N4148
D676
1N4148
D675
D674
1N4148
D782
1N5402M
D781
1N5402M
D732
1N5402M
D740
1N4004
D731
1N5402M
D756
1N4148
D755
1N4148
D706
1N4148
D705
1N4148
ZD752
MTZJ7.5C
ZD751
MTZJ7.5C
ZD702
MTZJ7.5C
ZD701
MTZJ7.5C
CNP701
C703
2.2/50
C778
220/10
Q756
KTC3199 GR
R791
56K
Q757
KTC3199 GR
Q755
KTC3199 GR
D753
1N4148
D754
1N4148
Q706
KTC3199 GR
C728
220/10
R741
56K
Q707
KTC3199 GR
D704
1N4148
Q705
KTC3199 GR
D703
1N4148
C782 100/35
R768
56K
R734
0.2 (1W)
L753
Z0001SJ
R753
4.7(1/2W)
R752
4.7(1/2W)
R751
4.7(1/2W)
L752
Z0001SJ
L751
Z0001SJ
C772
0.22(ML)
R772
4.7(1/2W)
C770
0.22
(ML)
R771
4.7(1/2W)
C771
0.22(ML)
C769
0.22
(ML)
R767
56K
R766
1K
C763
15P
R703
4.7(1/2W)
R702
4.7
(1/2W)
R701
4.7(1/2W)
R717 56K
R718
56K
C713
15P
R716
1K
L701
Z0001SJ
R721
4.7(1/2W)
C719
0.22
(ML)
C721
0.22(ML)
C755
2.2/50
C754
2.2/50
C753
2.2/50
C705
2.2/50
C704
2.2/50
L702
Z0001SJ
R722
4.7
(1/2W)
C720
0.22
(ML)
C722
0.22(ML)
R715
1K
R674
22K
ZD671
MTZJ5.1A
R675
10K
R754 33K
R755
390
R705
390
C751
4700/ 50
C752
4700/50
C701
4700/35
C702
4700/35
R723
4.7
(1/2W)
C724
0.22(ML)
C723
0.22
(ML)
R740
56K
R739
56K
R738
56K
R710
56K
C716
0.001(ML)
R708
56K
C718
0.001
(ML)
C736
100/50
C735
100/50
C734
100/50
C732 100/35
C731
100/35
C733
100/50
R713
1.2K
C710
100/50
C712
100/50
R712
1K
C711
100/50
R711
1K
C717
0.001(ML)
R707
56K
C714
15P
L703
Z0001SJ
R720
56K
C715
15P
R719
1K
R744
3.9K(1/4W)
R745
3.9K(1/4W)
D701
1N4148
R736
4.7K
R737
4.7K
C727
0.022
R735
0.2(1W)
R729
4.7K
Q703
KTC3199 GR
R730
4.7K
D702
1N4148
Q704
KTC3199 GR
R732
4.7K
C726
0.022
(ML)
R728
0.2
R726
0.2(1W)
R725
0.2(1W)
R727
0.2(1W)
C725
0.022(ML)
R731
4.7K
R709
390
R706
390
R704
33K
R743
100(1/2W)
R742 100(1/2W)
C709
47P
C708
47P
C707
47P
R762
1K
Q754
KTC3199 GR
C766
0.001(ML)
C759
47P
R765
1K
R785 0.2(1W)
R756
390
C758
47P
C785 100/50
R778
0.2(1W)
R781
4.7K
R794
3.9K(1/4W)
R795
3.9K(1/4W)
R784
0.2(1W)
R769
1K
C773
0.22(ML)
R786
4.7K
R757
56K
C786 100/50
R792 100(1/2W) Fusible
R763
1K
R782
4.7K
R790
56K
C768
0.001
(ML)
R758
56K
C765
15P
C760
100/50
R777 0.2(1W)
C781 100/35
C767
0.001(ML)
Q753
KTC3199 GR
C784 100/50
R759
390
R780
4.7K
R793
100(1/2W) Fusible
R779
4.7K
C776
0.022
(ML)
R761
1K
R760
56K
C775
0.022(ML)
C757
47P
D752
1N4148
C774
0.22
(ML)
R773
4.7
(1/2W)
R788
56K
C783 100/50
D751
1N4148
R776 0.2(1W)
C762
100/50
R770
56K
C777
0.022
R775 0.2(1W)
R787
4.7K
C761
100/50
R789
56K
1
2 3
4
5
6
7
8
9
10
11
12 13
14
15
16
17
18
19
20
21
22
23
24
25
26
IC701
STK41009
POWER AMP.
IC751
STK41009
POWER AMP.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
1
2
3
4
5
9
1
2
3
4
5
BI702
CNS702
5
14
4
3
10
13
1
2
6
7
15
8
12
11
A2GND
REAR2L
REAR2R
CENTER
P2GND
+
–
–
+
–
+
––
+
+
+
–
–VH
PROTECT
SP2LEVEL
M2GND
FUN2SW
R2RLY
C2RLY
A+12V
SW2RLY
FA2RLY
–VL
+VH
+VL
23V
24V
19V
–18V
–24V
–39V
–23V
–23V
–23V
0V
0V
38V
0V
0V
0V
–37V
37V
0V
0V
–36V
0V
0V
–23V
0V
0V
0V
0V
5V
0V
5V
0V
5V
0V
0V
0V
5V
0V
0V
0V
1
2
A2GND
FRONT2R
SW
POSISTOR
FRONT2L
CNS701 P17 12 - C
TO MAIN SECTION
P16 1 - D,P17 12 - C
TO MAIN SECTION
P21 12 - E
TO AUDIO JACK PWB
FM SIGNAL
0V
5V
CNP702
P21 12 - D
TO AUDIO JACK PWB
(1W)
MAIN PWB-A (2/2)