SS-US501/SW-US501/UZ-US501
17
17
5-9.
SCHEMATIC DIAGRAM – DIGITAL Board (5/5) –
•
See page 23 for IC Block Diagram.
R684
R650
R648
R656
R654
R629
C613
R628
C609
IC601
C651
R645
C635
IC608
C634
C637
R666
R665
C616
R644
C636
R664
C630
R641
C633
C631
R639
Q614
Q613
R602
R601
C601
C603
C606
C604
C605
C681
R685
R633
IC605
C618
C619
C644
R631
C617
C680
R680
R635
C622
R634
C620
IC607
IC606
R638
C626
C623
R636
R637
C624
C627
C628
C625
C621
C670
Q610
Q609
Q606
Q605
Q602
Q601
Q611
Q612
R663
R662
R660
R661
R658
C642
C643
R659
Q608
Q607
C641
C640
R655
R653
R657
Q604
Q603
R646
R647
C639
C638
R649
R651
R652
CN601
CN602
IC604
C629
R640
C632
R642
R682
R605
C607
R643
R670
R630
R632
220
100k
100k
100k
100k
10k
220
25V
10k
220
25V
74HCT04AF
0.1
220k
47p
NJM4565M
47p
1
50V
22k
22k
220
25V
47k
1
50V
4.7k
47p
100k
0.47
50V
0.47
50V
100k
DTC343TK
DTC343TK
22k
22k
0.1
0.1
1
0.1
0.1
0.47
50V
220
2.2k
NJM4565M
100p
100
25V
100
25V
2.2k
100p
0.47
50V
100k
100k
47p
47k
0.47
50V
NJM4565M
NJM4565M
47k
0.47
50V
0.47
50V
47k
100k
47p
47p
0.47
50V
0.47
50V
0.47
50V
220
25V
DTC124EKA-T146
DTA124EKA-T
DTC124EKA-T146
DTA124EKA-T
DTC124EKA-T146
DTA124EKA-T
2SD1938
2SD1938
2.2k
100k
100k
10k
2.2k
0.001
0.001
10k
2SD1938
2SD1938
0.001
0.001
10k
10k
2.2k
2SD1938
2SD1938
2.2k
10k
0.001
0.001
10k
2.2k
2.2k
8P
15P
TC9482F
0.47
50V
47k
0.47
50V
47k
100k
10
220
25V
100k
4.7
6.8k
6.8k
POWER_BUS
SL
SR
R
A-GND
L
AU 15V S/W
D-GND
VOL-CLK
VOL-DATA
VOL-STB
FL,FR-MUTE
SL, SR, C-MUTE
SW-MUTE
C
SW
HEAD PHONE BUS
HP MUTE
D-GND
READY-H
P.CONT
STAND BY 5.6V
5.6V UNSW FOR SUB
AUDIO 5V
A-GND
A-GND
AMP MUTE
HP.R
A-GND
DIGITAL 5.6V-SW
READY 5.6V
DIGITAL 5.6V-SW
A-GND
HP.L
5.6V UN S/W
AU 15V S/W
HP GND
AUDIO 5V
AMP MUTE
A-GND
A-GND
D-GND
D-GND
READY-H
P.CONT
STAND BY 5.6V
5.6V UNSW FOR SUB
READY 5.6V
DIGITAL 5.6V-SW
WOFER
C
A-GND
A-GND
FR
FL
SR
SL
(5/5)
MUTING
MUTING
MUTING
MUTING
MUTING
MUTING
MUTING
CONTROL
SWITCH
Q601,602
MUTING
CONTROL
SWITCH
Q605,606
MUTING
CONTROL
SWITCH
Q609,910
PRE AMP
VDD
GND
PRE AMP
GND
VDD
PRE AMP
GND
VDD
GND
VDD
HEADPHONE AMP
ELECTRICAL VOLUME
MUTING
MUTING
LEVEL SHIFT
(Page 16)
(Page 14)
(Page 14)
(Page 15)
(Page 21)
(Page 21)
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