SCH08 SMPS
GND LINE
POWER- LINE
POWER+ LINE
ANALOG AUDIO
DIGITAL AUDIO
STBY POWER
!
!
!
!
!
!
!
!
!
**IMPORTANT SAFETY NOTICE.
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS.
USE ONLY MANUFACTUREY'S SPECIFIED PARTS.
**THE UNIT OF RESISTANCE IS OHM. K=1000 OHM, M=1000 KOHM
**THE UNIT OF CAPACITANCE IS MICROFARAD (uF) pF=10 uF
**THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
IMPROVEMENT OF PERFORMANCE
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS.
-6
HEAT SINK
For D925
(400V/20A)
For Q901HEAT SINK
DGND
[2.5 MM]
DGND
+29V
+29V
+29V
[2.0 MM]
HEAT SINK
(3.3V) Pull-up resistor
100V : 120K
230V : 270K
DGND
DGND
+5V_SW
POWER_H
P_DOWN
+16V_OLED
DGND
+12V
AGND
-12V
OLED_P_CON
+5VS
+5V_P_CON
+5V_SW
+5V_SW
+5V_SW
DGND
PDT_CON
EMI
EMI
EM
I
EMI
EMI
EMI
EMI
EMI
EMI
C936 Close
AC100V : R977 > 0 ohm
AC230V : R978 > N.C
AC100V : R977 > N.C
AC230V : R978 > 0 ohm
105'C
105'C
+16V_OLED
+29V
D
90
5
U
S1
M
PC93-A
EL817B
3
4
PC
93
-B
EL
817
B
IC
94
KA
431
SA
M
F2
C92
5 35
V/
1000
uF
C90
6
50
V
821
J
R91
1
0R
30
1
W
R909
560
1
2
3
Q901
IPW65R280E6
R908
33
R92
0
12
K
D915
1N4448W
R90
1
68
K
R902
10
D
91
2
M
M
1Z
12
D925
FCU20A40
R92
1
1K
0
R93
1
1K
0
R933
100K
C926
50V 105 K
R93
5
43
KF
R93
9
68
K
D907
FFM107
C90
1
450
V
330
uF
CY93
400V 102 M
D906
1N4448W
R906
9K1
C90
8
1K
V
221
J
C922
1KV 471 J
C91
0
N
ot
u
se
d
R915
22
C90
4
50
V
105
K
R94
1
4K
3F
R918
9K1
R91
2
22
C92
0
50
V/
47
uF
D
90
4
M
M
1Z
24
TH91
DSC-5D15
CX
92
275
V
334
K
CY
92
400
V
102
M
CY
91
400
V
102
M
2
1
HS92
L924
5.4uH
CY94
400V 102 M
R91
0
0R
30
1
W
C92
3
35
V
2200
uF
D
90
9
M
M
1Z
27
L921
100MHz_60ohm_5A
R93
0
4K
7
C94
2
0.
1u
F
C94
3
0.
01
uF
C95
1
50
V/
47
uF
D933
US2G
D937
US1M
C93
2
16
V/
1000
uF
C95
3
50
V/
470
uF
C95
5
16
V/
1000
uF
C93
3
50
V/
470
uF
BD95
100MHz_60ohm_5A
BD96
CLZ9R001Z
C93
0
0.
1u
F
C95
4
0.
01
uF
C95
6
0.
1u
F
C95
7
0.
01
uF
Q924
KTA1298Y
R92
9
1K
8
R93
2
18
K
R934
1K8
R936
12K
3
2
1
IC99
7812A
C94
4
0.
1u
F
3
1
2
IC98
KIA79L12BP
C94
5
0.
1u
F
R945
1K8
Q923
KTC4379Y
5
4
3
2
1
CN91
1
2
3
Q928
2SC6046
R94
2
1K
R94
3
1K
1
BL
2
FB
6
N.C
3 CS
5
HV
4 GATE
7
VCC
8
GN
D
IC91
ICE3BS03LJG
C91
1
50
V
75
J
C90
3
50
V
474
K
R904
0 ohm
1
2
3
4
PC94
EL357NC
D913
DSR1M
R969
0 ohm
R974
270K
R975
270K
R976
270K
D932
DSR1M
C97
4
50
V
224
K
R92
7
8K
2
R95
9
1K
1
2
3
Q931
KTC3875Y
R907
150K
C93
9
0.
1u
F
C94
0
0.
01
uF
1
3
2
4
LF93
10mH
1
2
3
4
1
2
3
4
HS91
L927
CLZ9R001Z
D
92
0
SS
34
SR
R94
6
3K
9F
R948
9K1
C93
1
0.
01
uF
C92
9
0.
1u
F
C92
8
25
V/
470
uF
L922
100MHz_60ohm_5A
C93
6
25
V/
100
uF
C93
7
0.
1u
F
C93
8
0.
01
uF
L926
CLZ9R001Z
C94
7
10
uF
/50
V
C94
6
10
uF
/50
V
R944
33
C948
0.1uF
L923
10UH/3A
C94
1
22
uF
/25
V
C93
4
22
uF
/25
V
C93
5
22
uF
/25
V
R949
12K
C927 0.1uF
R92
5
100
K
C952 NC
C94
9
N
C
1 S1
2 S2
3 S3
4
G
5
D4
6
D3
7
D2
8
D1
IC97
FDS6675BZ
R95
3
2K
7
R954
47
Q929
RT1N141C
D922
1N4448W
BD97
100MHz_60ohm_5A
L901
3512
R961
0 ohm
R962
0 ohm
1
2
3
4
5
6
7
8
9
10
11
12
13
BN93
1
2
3
Q933
2SA2167ES
R94
0
10
K
R951
10K
1
2
3
Q934
2SC6046
R95
2
1K
R96
0
1K
3
2
1
IC93
7812A
D
93
4
M
M
1Z
3V
9
C95
8
0.
1u
F
5
4
3
2
1
BN92
R95
5
4K
7
R95
7
N
ot
u
se
d
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TF91
EER4042V
1
3
4
2
DB91
GBJ606
1
2
BN90
YH_YW396-03AV
1
BS
2 IN
3
SW
4
GN
D
5
FB
6
IS
ET
7 EN
8
SS
IC95
NR111E
D935
NC
D936
NC
R956
0 ohm
D939
NC
1
2
L92
8
TW
IN
351
0
CL
Z9
Z293
Z
PT91
0 ohm
1
2
3
Q925
FDN360P
C90
9
1K
V
102
K
BD91
100MHz_60ohm_6A
C96
7
0.
1u
F
C96
8
0.
1u
F
L929
CLZ9R001Z
BD99
100MHz_60ohm_5A
C96
2
0.
1u
F
C96
1
0.
01
uF
C96
5
0.
1u
F
C96
4
0.
01
uF
C96
3
1000
pF
L931
CLZ9R001Z
L930
CLZ9R001Z
BD98
100MHz_60ohm_5A
BD
93
100
M
H
z_60
oh
m
_5
A
BD
92
100
M
H
z_60
oh
m
_5
A
C96
6
50
V
102
K
C97
1
0.
1u
F
C97
0
0.
01
uF
C96
9
50
V
102
K
D940
MM1Z8.2
BD94
100MHz_60ohm_6A
R977
0 ohm
R978
0 ohm
C90
5
50
V
75
J
R91
3
470
K
R922
18K
R92
3
12
K
1
2
3
Q930
FDN5618P
D941
MM1Z8.2
1
2
3
Q932
2SC6046
R92
8
1K
R92
4
1K
R98
5
2K
R98
4
2K
R98
3
2K
R98
2
2K
R98
1
2K
R98
0
2K
C97
7
0.
1u
F
C97
6
0.
01
uF
C97
5
1000
pF
D942
US2G
D943
US1M
DGND
DGND
+BV
DGND
DGND
PGND
PGND
PGND
DGND
C
C
PO
W
ER
-H
DGND
+BV
AC-L
AC-N
S5
V
DGND
POWER-DOWN
PGND
5V
DGND
DGND
+5V_P_CON
S5V
AGND
DGND
AGND
POWER-DOWN
POWER-H
+12V
AGND
-12V
DGND
+5V_P_CON
DGND
S5V
OLED_P_CON
E
E
O
LE
D
_P
_C
O
N
DGND
5V
A
C-
L
A
C-
N
A
M
P_
V
DGND
AMP_V
DGND
DGND
+12V
-12V
DGND
DGND
DGND
BU
RS
T_
CO
N
T
DGND
AMP_V
BURST_CONT
DGND
DGND
BN93
BN90
BN92
CN91
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
16