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 Q901
HEAT 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
EMI
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
D905
US1M
PC93-A
EL817B
3 4
PC93-B
EL817B
IC94
KA431SAMF2
C925
35V/1000uF
C906
50V 821 J
R911
0R30 1W
R909
560
1
23
Q901
IPW65R280E6
R908
33
R920
12K
D915
1N4448W
R901
68K
R902
10
D912
MM1Z12
D925
FCU20A40
R921
1K0
R931
1K0
R933
100K
C926
50V 105 K
R935
43KF
R939
68K
D907
FFM107
C901
450V 330uF
CY93
400V 102 M
D906
1N4448WR906
9K1
C908
1KV 221 J
C922
1KV 471 J
C910
Not used
R915
22
C904
50V 105 K
R941
4K3F
R918
9K1
R912
22
C920
50V/47uF
D904
MM1Z24
TH91
DSC-5D15
CX92
275V 334 K
CY92
400V 102 M
CY91
400V 102 M
21
HS92
L924
5.4uH
CY94
400V 102 M
R910
0R30 1W
C923
35V 2200uF
D909
MM1Z27
L921
100MHz_60ohm_5A
R930
4K7
C942
0.1uF
C943
0.01uF
C951
50V/47uF
D933
US2G
D937
US1M
C932
16V/1000uF
C953
50V/470uF
C955
16V/1000uF
C933
50V/470uF
BD95
100MHz_60ohm_5A
BD96
CLZ9R001Z
C930
0.1uF
C954
0.
01uF
C956
0.1uF
C957
0.01uF
Q924
KTA1298Y
R929
1K8
R932
18K
R934
1K8
R936
12K
3
2
1
IC99
7812A
C944
0.1uF
3
1
2
IC98
KIA79L12BP
C945
0.1uF
R945
1K8
Q923
KTC4379Y
5 4 3 2 1
CN91
1
2
3
Q928
2SC6046
R942
1K
R943
1K
1
BL
2
FB
6
N.C
3
CS
5
HV
4
GATE
7
VCC
8
GND
IC91
ICE3BS03LJG
C911
50V 75 J
C903
50V 474 K
R904
0 ohm
1
2
3
4
PC94
EL357NC
D913
DSR1M
R969
0 ohm
R974
270K
R975
270K
R976
270K
D932
DSR1M
C974
50V 224 K
R927
8K2
R959
1K
1
2
3
Q931
KTC3875Y
R907
150K
C939
0.1uF
C940
0.01uF
1
3 2
4
LF93
10mH
1 2 3 4
1
2
3
4
HS91
L927
CLZ9R001Z
D920
SS34SR
R946
3K9F
R948
9K1
C9310.01uF
C9290.1uF
C928
25V/470uF
L922
100MHz_60ohm_5A
C936
25V/
100uF
C9370.1uF
C9380.01uF
L926
CLZ9R001Z
C947
10uF/50V
C946
10uF/50V
R944
33
C948
0.1uF
L923
10UH/3A
C941
22uF/25V
C934
22uF/25V
C935
22uF/25V
R949
12K
C927 0.1uF
R925
100K
C952
NC
C949
NC
1
S1
2
S2
3
S3
4
G
5
D4
6
D3
7
D2
8
D1
IC97
FDS6675BZ
R953
2K7
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
R940
10K
R951
10K
1
2
3
Q934
2SC6046
R952
1K
R960
1K
3
2
1
IC93
7812A
D934
MM1Z3V9
C958
0.1uF
5 4 3 2 1
BN92
R955
4K7
R957
Not used
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
GND
5
FB
6
ISET
7
EN
8
SS
IC95
NR111E
D935
NC
D936NC
R956 0 ohm
D939
NC
1 2
L928
TWIN 3510
CLZ9Z293Z
PT91
0 ohm
1
2 3
Q925
FDN360P
C909
1KV 102 K
BD91
100MHz_60ohm_6A
C967
0.1uF
C968
0.1uF
L929
CLZ9R001Z
BD99
100MHz_60ohm_5A
C962
0.1uF
C961
0.01uF
C965 0.1uF
C964 0.01uF
C963
1000pF
L931
CLZ9R001Z
L930
CLZ9R001Z
BD98
100MHz_60ohm_5A
BD93
100MHz_60ohm_5A
BD92
100MHz_60ohm_5A
C966
50V 102 K
C971 0.1uF
C970 0.01uF
C969
50V 102 K
D940
MM1Z8.2
BD94
100MHz_60ohm_6A
R977
0 ohm
R978
0 ohm
C905
50V 75 J
R913
470K
R922
18K
R923
12K
1
23
Q930
FDN5618P
D941
MM1Z8.2
1
2
3
Q932
2SC6046
R928
1K
R924
1K
R985
2K
R984
2K
R983
2K
R982
2K
R981
2K
R980
2K
C977 0.1uF
C976 0.01uF
C975
1000pF
D942
US2G
D943
US1M
DGND
DGND
+BV
DGND
DGND
PGND
PGND
PGND
DGND
C
C
POWER-H
DGND
+BV
AC-L
AC-N
S5V
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
OLED_P_CON
DGND
5V
AC-L
AC-N
AMP_V
DGND
AMP_V
DGND
DGND
+12V
-12V
DGND
DGNDDGND
BURST_CONT
DGND
AMP_V
BURST_CONT
DGND
DGND
BN93
TO CN93
BN90
TO CN90
BN92
TO CN92
CN91
TO BN91
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
16