HCD-EC69i/EC79i/EC99i
HCD-EC69i/EC79i/EC99i
31
31
6-7. SCHEMATIC DIAGRAM - MAIN Board (2/2) -
• See page 40 for IC Block Diagrams.
16.2
0.7
0.9
0.5
0.5
2.5
0.5
9
3.1
3.7
9
3.9
4.5
9
1.2
1.8
5.3
1.8
2.4
2.9
0
3.1
0
0.7
3.3
0
0.7
0
0.6
0
9
9
8.3
2.1
1.9
2.5
14.3
4.7
13.7
13.7
0
0
13.7
3.9
4.4
0
8.9
8.9
0
8.9
9
8.9
0
0
15.2
0
0.9
0
0
8.9
16.2
5.1
16.2
16.2
5.1
16.2
5.1
5.1
0.9
0.7
0
4.5
4.5
0
C621
100V
100V
0.1
C623
0.1
25V
2200
C627
MC2838-T112-1
D602
2SC3052F-T1-LF
Q606
2SC3052F-T1-LF
Q605
2SC3052F-T1-LF
RELAY DRIVE
Q604
R646
100
R652
100
R614
10k
R613
10k
R648
47k
R649
2.2k
L602
L601
L603
L604
R606
10
10
R615
10
R612
10
R611
10
R647
R608
10
0.1
C607
0.1
C617
0.1
C608
0.1
C618
R631
10
C605
0.1
C616
0.1
R607
10
C615
0.1
C604
0.1
MC2838-T112-1
D601
4.7k
R610
4.7k
R609
1
2
3
3P
CN601
VDD+
GND
VDD+
2SC3052F-T1-LF
Q602
2SC3052F-T1-LF
MAIN POWER
ON/OFF CONTROL
Q619
0.022
C642
56k
R686
10k
R677
10k
R676
16V
100
C631
R667
47k
10V
47
C630
1k
R666
10V
100
C620
10k
R691
TP601
TP602
TP613
TP614
TP625
TP626
TP627
TP628
TP629
R622
33k
R617
10k
R623
10k
R624
10k
R618
10k
R625
33k
R616
R619
15
R724
R725
15
KTA1266 (EC69i)
KTA1273 (EC79i/EC99i)
Q601
50V
4.7
C632
2.2k
R690
R710
33k
R711
33k
R630
47k
50V
4.7
C614
50V
10
C613
R626
10k
4.7k
R627
15
R726
1k
R644
R620
4.7k
R621
4.7k
C611
0.22
C612
0.22
100k
R639
100k
R640
R633
100k
R632
100k
MC2838-T112-1
D617
R629
4.7k
R601
470
R650
4.7k
R651
4.7k
R727
4.7k
R728
4.7k
47k
R678
1
C695
1
C696
MAZ8043GMLS0
D621
2SC3052F-T1-LF
Q611
100k
R669
10k
R670
10k
R628
4.7k
R637
0.01
C619
4700p
C629
2SC3052F-T1-LF
Q701
2SC3052F-T1-LF
Q702
2SC3052F-T1-LF
Q703
50V
C705
10
16V
C706
100
50V
C707
1
C708
0.01
C712
0.047
R713
100k
R733
100k
R734
1k
R736
10k
R737
10k
R738
1k
R740
1.5k
100uH
L701
16V
470
C761
25V
100
C760
470
R761
470
R762
3.3k
R763
R659
100k
R744
10
R745
10
L702
C701
0.1
C702
0.1
2SC3052F-T1-LF
Q704
2SC3052F-T1-LF
Q705
R755
4.7k
R756
4.7k
10k
R672
50V
3.3
C641
ISA1235AC1TP-1EF
Q612
ISA1235AC1TP-1EF
PROTECT DETECT
Q618
R757
47k
1k
R693
4.7k
R692
10k
R643
2.2k
R645
TP693
C622
C626
D604
MA2J1110GLS0
MA2J1110GLS0
D702
D603
MA2J1110GLS0
MA2J1110GLS0
D614
MA2J1110GLS0
D605
MA2J1110GLS0
D628
E
ET601
MC2836
D606
R766
10k
RY602
RY701
RY601
C609
4700p
C610
4700p
C603
4700p
C606
4700p
68
R638
68
R641
68
R642
22k
R687
4.7k
R685
MA2J1110GLS0
D631
100k
R791
220k
R792
MA2J1
110GLS0
D791
0
R735
D10XB20
D613
2SC3052F-T1-LF
PROTECT DETECT
Q603
100k
R604
1PS226-115
D627
50V
C688
10
KTA1273-Y-AT
Q706
KTA1273-Y-AT
Q707
2SC3052F-T1-LF
Q708
D701
RB055L-40
3.3k
R764
3.3k
R765
3.3k
R793
10k
R794
180k
R795
330k
R796
47k
R797
2SC3052F-T1-LF
Q709
1000p
C765
50V
10
C764
4.7k
R798
560
R799
2.2
R723
2.2
R741
2.2
R742
2.2
R760
10k
R768
10k
R655
1k
R656
100k
R781
ISA1235AC1TP-1EF
Q710
100k
R664
100k
R665
22k
R668
2SC3052F-T1-LF
Q610
ISA1235AC1TP-1EF
Q613
ISA1235AC1TP-1EF
SUBWOOFER SWITCH
Q614
10k
R860
10k
R861
10k
R862
10k
R863
4.7k
R864
47k
R865
10k
R866
3.3k
R867
1.5k
R868
10k
R869
10k
R870
JW630
JW629
R875
(EC69i/EC79i)
0
1
2
3
4
RELAY ON/OFF
V STBY
AC DETECT
VH(AC)
R712
470
R730
47k
TB602
1
2
3
3P
CN609
IN
GND
OUT
0
R878
2SC3052F-T1-LF
Q804
1k
R880
0.1
C853
R634
68
R635
68
R636
68
R746
68
R747
68
R748
68
C709
0.22
C710
0.22
1k
R882
10V
470
C762
1N4002-A2
D611
1N4002-A2
D612
1N4002-A2
D630
1N4002-A2
D629
1N4002-A2
D615
1N5402-C532-2
D607
1N5402-C532-2
D608
1N5402-C532-2
D609
1N5402-C532-2
D610
R721
4.7k
2SC3052F-T1-LF
PROTECT DETECT
Q607
R660
22k
R679
22k
R661
22k
10V
220
C624
MAZ8100GMLS0
D622
R680
22k
27k
R689
0.1
C715
3.3
R767
68k
R657
470
R673
470
R688
R714
56k
R739
1k
C711
0.22
2.2k
R881
R883
∗
50V
3.3
C601
25V
47
C602
R603
22
R605
22
C763
470p
R770
100k
C766
4700p
R782
10k
JW637
JW626
JW600
JW760
JW634
JW757
25V
1000
C628
8
7
6
5
NJM2368V(TE2)
IC701
O-POWER
O-CD-ON/5V-ON
I-5V/9V
-DET
I-P-MONI
O-SP-RELAY/SW-ON
O-POWER
8
6
7
14
11
9
5
13
16
10
18
17
12
15
IC701
DC/DC CONVERTER
(CHASSIS)
MAIN BOARD (2/2)
RELAY DRIVE
Q704, 705
(EC99i)
(EC99i)
SUBWOOFER BAND-PASS FILTER
Q701 - 703, 804
M601
(FAN)
M
DC/DC CONVERTER
Q706 - 710
PROTECT DETECT
Q611, 612
56k (EC79i: UK, AUS/EC99i)
68k (EC79i: US, CND)
82k (EC69i)
∗
R883
FAN MOTOR DRIVE
Q601, 602
(EC79i/EC99i)
(EC69i)
(EC79i/EC99i)
2200 50V (EC69i)
3300 63V (EC79i/EC99i)
∗
C622, 626
∗
∗
(EC99i)
(EC69i/EC79i)
AC DETECT
Q605, 606
∗
∗
3.9k (EC69i)
15k (EC79i/EC99i)
∗
R616, 619
A001
(EC99i)
+
+
-
-
R
L
SPEAKER
IMPEDANCE:
USE 8
Ω
LOW FREQ.
TB601
+
+
-
TB603
+
-
-
R
L
SPEAKER
IMPEDANCE:
USE 8
Ω
HIGH FREQ.
USE 6
Ω
IMPEDANCE:
SPEAKER
(EC69i)
(EC79i/EC99i)
USE 4
Ω
IMPEDANCE:
SUBWOOFER
(EC99i)
(EC79i/EC99i)
4
B
16
6
9
11
D
15
H
L
10
17
3
5
12
C
F
18
1
19
E
8
G
20
14
A
2
13
I
7
2SC3052F-T1-LF
STANDBY SWITCH
Q608
RELAY DRIVE
Q610, 613
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