Denon HEOS AVR Service Manual page 21

SCH13_SMPS1
Q926
2SC6046
!
D915 R954
1N4448W 10
R910 22
1
Q921
2907AS
R947 R913
0R40 1W 0R40 1W
IC88
R893
OB2263MP
47
6 5
GATE VDD
4 SENSE
!
1
R896
470
PC95-B
R897
EL817S1(B)(TA)
PGND
15K
HS97 HS99
For Q901,Q904
HS91
4 3 2 1
AGND
PGND
HS96
HS95
For D942
For D953 CS
HEAT SINK HEAT SINK
3
DGND
DGND
For D952 For D923
HEAT SINK HEAT SINK
1 2 1 2
HS93
HS92
DGND DGND
DGND CHGND
ET97YH_SMW250-07P OPEN ET96
1 2 3 4 5 6 7 1
DGND
OPEN
ET98YH_SMW250-07P ET92
1 2 3 4 5 6 7 1
DGND
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
HEOSAVRSR SMPS SCHEMATIC DIAGRAM
!
1
R958
22 1W
C910 2
1KV 102 K
3
D922 D944
US1M US1M
4
PGND
IC93
5
OB2279CPA-T
8 GATE 7
VDD
R906
6
100
6 SENSE 2
RI RT GND
7
R923
1K
8
PGND
PC91-B
EL817S1(B)(TA)
PGND
PGND
!
D902
C970
US1M
1KV 102 K
L930
1 2 1 2 1
TWIN 3510 Q902
A708Y R938 R945
2
3 1 68K 1W 22 1W
3
2
R949
4
D940
1K FFM107
5
C901
50V 47uF D939
Z24V(B)
6
7
8
PC97-B
EL817S1(B)(TA)
!
IC91
D905 C931 R981
ICE3BR0665J 1KV 102 K 22 1W
1 2
7
US1M R908 68K 1W
6
5 4
D D
ADD : For > C931 : Tube (5PIE*20mm)
7
VCC
5
NC
6 4
D920
R924 DSR1M
R909
1 8 2
3
10 0 ohm
2
R928
1
OPEN
PC94-B PGND
EL817S1(B)(TA)
PGND
CHGND
CO08 OPEN ET93 CO08 OPEN
2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
DGND DGND
CO08 OPEN
2 3 4 5 6 7 8
DGND
DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO STBY POWER
D952
FCU20A40
L924
TF92 1.5uH
D931
16
MM1Z4.7
3 4
D923 56KF
FCU20A40
PC90-B
R972
15
EL357NB
14 PC91-A
BD92
EL817S1(B)(TA)
100MHz_60ohm_6A
13
C927
50V 105 K
12
DGND
IC94
11
KA431SAMF2
R953 R977 PC93-B
11K3F 91KF EL817S1(B)(TA)
R873 C976
10
IC95
L928 22 0.1uF
NR111E
TWIN 3510
2 1 2 3
9 IN SW
+12V_IN
EER4042H
CY96
400V 221 K 7 5
EN FB
!
DGND
TF91
DGND
D928 1N4448W
C933
BD96
DGND 35V 220uF
16
1 3
D933
15
100MHz_60ohm_6A
2
IC98
US2G
7807A
14
BD97 1
13
100MHz_60ohm_6A
D937
2 3
IC97
12 US2G C953
7907A
35V 220uF
11 D929
1N4448W
L926
7uH
10
R886
D953
9 FCH20A20 1K
PC95-A
EL817S1(B)(TA)
C967
R888
20K
50V 104 K
IC89
KA431SAMF2
TF90
5VA
L921
8
1 2
TWIN 3510
9
D942
FCQS20BU065
10
11
PC94-A
EL817S1(B)(TA)
12
C926
R933
13
0 ohm
50V 104 K
14
Q930
IC92
KA431SAMF2
DGND
CY97
D954
R883
400V 221 K
1 2
Q905
DGND R885
470
5VA 1N4448W
47
! PC97-A
2
EL817S1(B)(TA)
DGND
RT1N141C
**IMPORTANT SAFETY NOTICE.
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS.
!
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
**THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
IMPROVEMENT OF PERFORMANCE
21
100MHz_60ohm_6A
BD90
+12V_IN
3 1
BD98
BD99
PC90-A
Q924
EL357NB
Q929 Q928
2
2 2
RT1N141C
RT1N141C RT1N141C
C979 OPEN
PVDD_HL_SW
R97147
R874
L922
12K 100MHz_60ohm_6A
R872 9K1
L929
USB+5V
10UH/3A
BN623
+12V
DGND
DGND +7V_A
L927
CLZ9R001Z
+7V_A -7V_A
R899 0 ohm
R979 0 ohm
DGND
R978 R900 0 ohm
0 ohm BN231
DGND AGND
AGND
R860 0 ohm R862 0 ohm
PVDD_HL_SW
L923 -7V_A
CLZ9R001Z
R863 0 ohm
R861
+12V
AGND
0 ohm
+12V
AGND DGND BD87
DGND
+12V_IN +7V_A
-7V_A
DGND
DGND DGND
DGND
DGND
D5.2V
L925
CLZ9R001Z
MCU+5V D5.2V
BD94 D5.2V
DSP_POWER
D938 100MHz_60ohm_6A
OPEN
MAIN_POWER
BD86
S1 D1 100MHz_60ohm_6A
1 8
S2 D2
2 7
S3 D3 S-PD_DET
DGND DGND
3 6 DGND
G D4 DGND
DGND
4 5
IC96
OPEN
R940 USB+5V
2
OPEN
MAIN_POWER
1 2 MCU+5V
OPEN Q922
R930
47 DSP_POWER
2
R859
OPEN
DGND
RT1N141C
uF
-6
AMP+34V
CN622
CN622
AMP+34V
TO CN621
AMP+34V
DGND
DGND
YW396-03V
BN621
AMP+34V
AMP+34V
1
TO BN622
N.C
2
DGND
3
DGND
BN621
YH_SMW396-03P
DGND
BN623
+12V
5
DGND
4
TO CN623
+7V_A
3
-7V_A
2
DGND
1
YH_SMW200-05P
BN231
PVDD_HL_SW
15
+12V
14
DGND
13
+7V_A
12
-7V_A
11
DGND
10
DGND
9
TO CN231
D5.2V
8
D5.2V
7
DSP_POWER
6
MAIN_POWER
5
S-PD_DET
4
DGND
3
USB+5V
2
MCU+5V
1
YH_SMW200-15P