HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
24
24
• See page 30 for IC Block Diagrams.
5-10.
SCHEMA
TIC DIAGRAM - MAIN Board (1/2) -
(2/2)
MAIN
2
BOARD
(2/2)
MAIN
1
BOARD
IC B/D
POWER
BOARD
CN101
G
00
0
0
00
0
00
0
00
- 33
. 1
- 34
. 6
3 4.
5
0
0
0
0
3 3.
1
0
1 .8
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.7
0
0
0.7
2.1
2.1
2.5
8.9
0
9
0
8.9
15.8
9
2SC3052F-T1-LF
Q603
2SC3052F-T1-LF
Q604
R61
1
47k
1k
R610
1k
R606
2SC3052F-T1-LF
Q606
100k
R612
10k
R614
10k
R615
4.7k
R613
0.01
C608
4700p
C607
Q601
2SC3052F-T1-LF
Q602
2SC3052F-T1-LF
R602
4.7k
R605
4.7k
10k
R609
ISA1235AC1TP-1EF
Q605
R603
47k
10k
R608
2.2k
R607
MA2J1
110GLS0
D603
MA2J1
110GLS0
D602
R604
10k
E
ET601
R763
10
0.1
C757
TP703
C755
0.1
C752
0.1
R761
100k
D704
MA2J1
110GLS0
4.7k
R772
0.1
C754
TP704
C751
0.1
100k
R762
TP701
C756
0.1
0.1
C758
0.1
C753
10
R764
MC2838-T1
12-1
D705
10
R766
R759
100k
R
Y701
R765
10
100k
R760
4.7k
R771
R742
1.2k
R735
47
D701
MC2838-T1
12-1
R732
47
R 71
3
1 .5
k
2SA2026
Q703
Q701
2SA2026
C709
3p
C 70
8
1 00
p
R710
2W
0.22
R729
100
2.2k
R747
C743
0.1
R734
47
R743
22k
R 71
9
4 7k
R 72
7
1 .5
k
Q702
2SA2026
C742
0.1
MC2838-T1
12-1
D702
R738
47
22k
R749
R 70
7
4 70
C749
4700p
R 72
8
1 .5
k
R733
47
1.2k
R745
C741
0.1
2W
0.22
R724
C744
0.1
C 70
7
1 00
p
R 70
8
4 70
R737
47
R712
47k
1.2k
R748
2W
0.22
R723
4 70
R 72
2
R740
22k
C721
100p
R 70
5
4 7k
1k
R730
R 70
6
4 7k
R 72
0
4 7k
R709
2W
0.22
C710
3p
R744
2.2k
2.2k
R750
470
R721
0 .1
C 73
2
22k
R746
R71
1
47k
2SA2026
Q704
C 72
2
1 00
p
R736
47
R731
47
R714
1.5k
1k
R601
R757
100
TP601
TP602
TP603
TP604
TP605
TP606
TP607
TP608
TP610
TP61
1
TP612
TP613
R755
100
R753
100
R751
100
R758
100
R756
100
R754
100
R752
100
C736
220
50V
C735
50V
220
TP702
R739
1.2k
R716
5.6k
R715
5.6k
R702
5.6k
R701
5.6k
R616
470
R 77
3
4 70
R 77
4
4 70
R 77
6
4 70
R 77
5
4 70
C601
1000p
123456789
1
0
11
1
2
1
3
1
4
1
5
1
9
18
17
16
20
21
22
23
IC604
STK433-870-E
- P
R E
- V
C C
+ V
C C
R -O
U T
+ (+
)
R -O
U T
+ (-)
R -O
U T-(+)
R -O
U T-(-)
+ P
R E
S U
B
G N
D
R -IN
+ (+
)
R -IN
+ (-
)
S T-
B Y
R-IN-(-)
R -IN
- (+
)
L-IN+(-)
L -IN
+ (+
)
L-IN-(+)
L-IN-(-)
L -O
U T
+ (-)
L -O
U T
+ (+
)
L -O
U T-(-)
L -O
U T-(+)
C748
47p
C747
47p
C746
47p
C745
47p
C739
47p
C737
47p
C740 47p
C738
47p
1
2
3
4
5
6
7
8
9
10
11
12
CN601
12P
AMP-GND
+B
+B
-B
-B
UNREG
GND
9V
V
-STBY
F
AN-CONT
DC-DET
PROTECT
TP609
MC2838-T1
12-1
D601
0.1
C714
0.1
C713
R777
47
R778
47
R779
47
R780
47
R781
47
R782
47
R783
47
R784
47
R785
47
R786
47
C 72
7
6 8p
C 70
6
1 5p
C719
15p
C 70
5
1 5p
C 72
8
6 8p
C730
68p
10
R787
10
R788
10
R789
10
R790
10
R791
10
R792
10
R793
10
R794
10
R795
10
R796
10
R797
10
R798
C624
0.1
IO
G
IC61
1
KIA7809API-U/PF
13
2
0.1
C623
+
–
+
–
TB701
C762
22p
C761
22p
C760
22p
C759
22p
1000p
C604
1000p
C606
C733
50V
10
C734
50V
10
47p
C770
47p
C771
47p
C772
47p
C773
D707
MC2838-T1
12-1
D708
MC2838-T1
12-1
C778
47p
C779
47p
C780
47p
C781
47p
C731
47p
C 76
3
1 5p
C 76
4
6 8p
C 72
9
6 8p
C 72
0
1 5p
1 6V
C 72
5
4 7
1 6V
C 72
6
4 7
C 71
1
1 6V
4 7
C 71
2
1 6V
4 7
C782
47p
C783
47p
C784
47p
C785
47p
C786
47p
C787
47p
C788
47p
C789
47p
C790
47p
R 70
3
R 70
4
R 71
8
R 71
7
C630
1000p
C603
16V
100
10V
47
C605
16V
100
C602
50V
1
C774
2 2p
C 79
4
2 2p
C 76
6
2 2p
C 76
7
2 2p
C 76
8
C 70
3
4 70
p
C 70
4
4 70
p
2 2p
C 79
3
50V
1
C775
50V
1
C776
2 2p
C 79
2
C 71
8
4 70
p
2 2p
C 76
9
50V
1
C777
2 2p
C 79
1
C 71
7
4 70
p
C724
3p
C723
3p
R726
47k
R725
47k
JR702
0
R741
2.2k
IC604
POWER AMP
IC61
1
+9V REGULA
T
OR
1
4
3
2
5
6
10
9
8
7
11
12
13
15
14
16
20
17
18
19
21
(CHASSIS)
(1/2)
MAIN BOARD
Q701-704
OVER LOAD DETECT
(CHASSIS)
A001
Q605, 606
PROTECT
DETECT
ST
ANDBY
SWITCH
3.3k (EC909iP)
4.7k (EC709iP)
R703, 704, 717, 718
RELA
Y
DRIVE
Q601, 602
RELA
Y
DRIVE
(EC909iP)
(EC709iP)
-2
-1
R
L
ONL
Y
FOR
SPEAKERS
SS-EC709iP
E
11
J
3
K
D
F
14
15
L
8
G
7
I
13
A
10
9
C
4
H
16
26
B
5
1
12
17
(Page 25)
(Page
29)
(Page 25)