24
24
HCD-EC599
HCD-EC599
5-11. SCHEMATIC DIAGRAM – POWER Board –
• See page 27 for IC Block Diagrams.
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
POWER BOARD
2 . 2 k
R707
JL780
2SC3052EF-T1-LEF
Q713
JL784
JL717
JL769
1 . 5 k
R710
2SC3052EF-T1-LEF
Q711
JL742
MC2838-T112-1
D721
JL721
R714
JL786
R757
10
2SC3052EF-T1-LEF
Q704
JL919
JL789
JL788
JL718
JL924
JL757
MC2838-T112-1
D717
JL782
JL711
JL781
JL720
JL727
JL785
JL926
470
R702
47k
R704
JL763
STK433-040
IC701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
TB701
1
2
3
4
1N5402-C532-2
D707
L701
1uH
2SC3052EF-T1-LEF
Q707
47k
R715
JL730
R765
10k
2 . 2 k
R705
2SC3052EF-T1-LEF
Q712
JL713
JL760
JL744
JL762
1N5402-C532-2
D708
22k
R779
JL716
47k
R733
JL787
L702
1uH
22k
R780
JL793
JL765
JL712
R766
47k
JL783
JL724
JL758
JL764
JL710
50V
4700p
C709
1N5402-C532-2
D70
9
1 . 5 k
R709
50V
100
C723
JL722
2SC3052EF-T1-LEF
Q705
KIA7809API-U/PF
IC702
R756
10
JL755
JL725
47k
R703
JL925
JL723
JL759
1N5402-C532-2
D710
JL761
JL756
50V
100
C724
JL726
470
R701
2 . 2
R747
3 . 3
R805
JL799
JL798
3 . 3
R745
2SC3052EF-T1-LEF
Q710
100
R809
100
R810
100
R811
10k
R812
10k
R814
100k
R815
2SC3052EF-T1-LEF
Q720
2SC3052EF-T1-LEF
Q721
DZ2J130M0L
D723
JL790
E
ET701
50V
3p
C711
50V
3p
C710
100
R711
1k
R816
1k
R767
KTA1273-Y-AT
Q709
4 . 7 k
R803
4 . 7 k
R804
R748
R749
100
100
C713
0 . 0 1
C755
ISA1235AC1TP-1EF
Q715
ISA1235AC1TP-1EF
Q708
ISA1235AC1TP-1EF
Q716
0 . 1
C751
0 . 1
C725
10EDB40-TB3
D712
10EDB40-TB3
D711
D718
DA2J10100L
D715
DA2J10100L
D706
50V
100p
C701
50V
100p
C702
470p
C703
470p
C704
C742
47
1
2
3
3P
CN701
VDD+
GND
VDD+
0 . 2 2
R713
0 . 2 2
R712
50V
47
C708
50V
47
C707
0 . 1
C756
0 . 1
C757
0 . 1
C758
0 . 1
C759
10
R824
10
R825
1
2
3
4
5
6
7
8
RELAY-ON/OFF
V-STANDBY
AC-DETECT
VH
VL
GND
VL
VH
100
R830
3 . 3
R806
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN704
HP-GND
HP-R
HP-L
PGND
PGND
PGND
UNREGULATE
MOTOR-GND
MOTOR-GND
9V-GND
9V-GND
9V
AUDIO-IC-9V
V-STBY
AC MONITOR
STBY-RELAY
SPK-RELAY
PROTECT
INPUT-R
AGND
INPUT-L
JL739
JL740
JL912
JL737
JL738
JL736
JL733
JL732
JL731
JL734
JL735
JL741
RY701
1
2
3
4
5
6
50V
0 . 1
C732
50V
0 . 1
C733
JL927
JL928
JL929
JL930
JL931 JL932
JL933
JL934
JL935
JL936
JL937
JL938
JL939
JL940
JL941
JL942
JL943
JL944
JL945
JL946
JL951
JL952
JL953
JL954
JL955
JL956
JL957
JL958
JL959
JL960
JL961
JL962
JL963
JL964
JL965
JL966
JL967
JL968
JL969
JL970
JL972
JL973
JL974
JL975
JL977
JL978
JL979
E
ET702
0 . 1
C714
0 . 1
C715
0
R832
1k
R778
1k
R770
12k
R781
12k
R782
56k
R730
68k
R729
100k
R732
10k
R735
100
C712
47k
R731
100k
R744
22
C717
2 . 2
C753
100
R752
10k
R736
2 . 2 k
R771
10k
R772
1k
R827
R826
R829
R828
1k
R833
1k
R834
100
R764
100
R763
100
R777
100
R776
10k
R737
2SD2114KT146
Q728
50V
3300
C735
50V
3300
C734
JL743
JL714
JL715
470
R706
470
R708
50V
0 . 4 7
C705
0 . 4 7
C706
33k
R823
JL728
JL729
JL745
JL746
JL747
JL749
JL750
JL751
JL752
JL753
JL754
-
-
+
+
100
47k
JL971
50V
0 . 1
C762
2200
C736
0 . 1
C740
C741
100
0 . 1
C739
DA2J10100L
1k
1k
1k
8P
CN722
SPEAKERS
DC FAN
IC701
2-CHANNEL AUDIO POWER IC
IC702
+9V REGULATOR
FAN MOTOR DRIVE
FAN MOTOR DRIVE
FAN SWITCH
FAN SWITCH
FAN SWITCH
RELAY DRIVE
RELAY SWITCH
RELAY SWITCH
OVERLOAD DETECT
OVERLOAD DETECT
OVERLOAD DETECT
OVERLOAD DETECT
OVERLOAD DETECT
STANDBY SWITCH
R
L
IMPEDANCE
USE 6
-33.2
-33.2
32.9
0
0
0
0
0
0
1.66
0
0
9
20.7
0.8
0
1.9
18.5
2.5
9
0
9
0
3.3
0
0.8
9
0
0.7
0
0
0.7
0
20
0
0
0
0
9
0
0
0
9
-1.8
-1.8
Summary of Contents for HCD-EC599
Page 45: ...MEMO HCD EC599 45 ...