Denon DRA-800H - Main Dac Part

SCH10 MAIN DAC
ANALOG VIDEO STBY POWER ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL GND LINE POWER- LINE POWER+ LINE
FR
FL
SW
(GRM21)
(GRM21)
(GRM21) (GRM21)
(GRM21)
(GRM21)
(GRM21)
(GRM21)
(GRM21)
(GRM21)
(GRM21)
(GRM21)
PDN
VDD18
DVSS
TVDD
LDOE
AOUTR4P
AOUTR4N
VREFL4
VREFH4
AOUTL4N
AOUTL4P
AOUTR3P
AOUTR3N VREFL3
VREFH3 AOUTL3N AOUTL3P
AVDD AVSS AOUTR2P AOUTR2N
VREFH2 VREFL2
AOUTL2N
AOUTL2P
AOUTR1P
AOUTR1N
VREFH1
VREFL1
AOUTL1N
AOUTL1P
I2C
PS
CAD0_I2C
CL/CCLK/TDM1
SDA/CDTI/TDM0
CAD1
DZF/SMUTE
DSDR4
DSDL4
DSDR3
SDTI4/DSDL3/TDMO2
SDTI3/DSDR2/TDMO1
SDTI2/DSDL2
SDTI1/DSDR1
LRCK/DSDL1
BICK/DCLK
MCLK
FROM AUDIO PART
MAIN DAC PART
FROM PLD PART
FROM MCU PART
(FILM)
(GRM21)
(GRM21)
(GRM21)
(GRM21)
(GRM21) (GRM21)
(GRM21)
(GRM21)
SW
(GRM21)
FR
FL
(FILM)(FILM)
(FILM)
(FILM)
(FILM)
R7911
3k9/F-T
R7918 180
R7915
180
R7914
4k7/F-T
R7917
4k7/F-T
C7912
680pF
R7919
100
R7929
100
C7911
3900pF
R7939
100
R7949
100
C7941
3900pF
C7924
OPEN
C7914
OPEN
C7985
0.047uF
C7986
0.047uF
C7987
1000pF
C7988
1000pF
C7989
OPEN
C7990
OPEN
C7991
1000pF
C7992
1000pF
C7993
1000pF
C7994
0.047uF
C7995
0.047uF
C7996 0.047uF
C7997
1000pF
C7998
1000pF
C7999
1000pF
R7935
150
R7934
10k/F-T
R7938
150
R7937
10k/F-T
R7912
3k9/F-T
R7921
3k9/F-T
R7922
3k9/
F-T
R7924
4k7/F-T
R7927
4k7/F-T
R7925
180
R7928 180
C7921
3900pF
C7922
680pF
R7931
3k9/F-T
R7932
3k9/F-T
R7944
10k/F-T
R7945
150
R7948 150
R7947
10k/F-T
R7941
3k9/F-T
R7942
3k9/F-T
C7931
3900pF
C7942
470pF
C7932
470pF
C7943
470pF
1 2 3 4 5 6 7 8 9 10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
252627282930313233343536
37
38
39
40
41
42
43
44
45
46
47
48
IC791
AK4458VN
C7929 0.1uF
C7927
0.1uF
C7925
0.1uF
C7919
0.1uF
C7917
0.1uF
C7915
0.1uF
R7901
33
R7902
1k
C7935
0.047uF
8765
4 3 2 1
IC792
E3: NE5532ADR / E2: NJM8080G
8765
4 3 2 1
IC795
E3: NE5532ADR / E2: NJM8080G
C7944
OPEN
C7934
OPEN
DADATAF1
DA256FS1
DAFS1
DA64FS1
DA_Z_MUTE1
DA_DA1
DA_CK1
DA_MS1
R7913
33k
R7923
33k
R7916 33k
R7926 33k
C7913
680pF
C7923
680pF
R7933
47k
R7936
47k
R7943
47k
R7946 47k
C7933
470pF
C7928
16V/220uF
C7926
OPEN
C7920
16V/470uF
C7918
16V/220uF
C7916
16V/220uF
C7930
50V/100uF
C7901
25V/220uF
C7902
25V/220uF
C7936 100V/1uF
R7903
4k7/F-T
R7971 180
R7907
180
R7906
4k7/F-T
R7910
4k7/F-T
C7905
220pF
R7972
100
R7981
100
C7903
3900pF
C7910
OPEN
C7909
OPEN
R7904
4k7/F-T
R7973
4k7/F-T
R7974
4k7/F-T
R7976
4k7/F-T
R7979
4k7/F-T
R7977
180
R7978 180
C7904
3900pF
C7906
220pF
1234
5 6 7 8
A
+
-
B
+
-
A OUTPUT
A-INPUT
A+INPUT
V-
B+INPUT
B-INPUT
B OUTPUT
V+
IC794
NJM8080G
R7905
4k7/F-T
R7975
4k7/F-T
R7908
4k7/F-T
C7907
220pF
C7908
220pF
R7951
3k9/F-T
R7958 180
R7955
180
R7954
4k7/F-T
R7957
4k7/F-T
C7952
680pF
R7959
100
R7969
100
C7951
3900pF
C7964
OPEN
C7954
OPEN
R7952
3k9/F-T
R7961
3k9/F-T
R7962
3k9/F-T
R7964
4k7/F-T
R7967
4k7/F-T
R7965
180
R7966 180
C7961
3900pF
C7962
680pF
8765
4 3 2 1
IC793
E3: NE5532ADR / E2: NJM8080G
R7953
33k
R7963
33k
R7956 33k
R7968 33k
C7953
680pF
C7963
680pF
R7990
100
R7982
4k7/F-T
R7983
4k7/F-T
R7985
4k7/F-T
R7986
150
R7989
150
R7988
4k7/F-T
C7971
3900pF
C7972
220pF
C7973
220pF
1234
5 6 7 8
A
+
-
B
+
-
A OUTPUT
A-INPUT
A+INPUT
V-
B+INPUT
B-INPUT
B OUTPUT
V+
IC796
NJM8080G
C7975
OPEN
C7974
OPEN
R7984
4k7/F-T
R7987
4k7/F-T
R7980
4k7/F-T
C7937
50V/100uF
C7938
50V/100uF
DA+5V
AGND
AGND
AGND
AGND
AGND
DGND DA3.3V DACMCK
DACPCMF_FR DACPCMF_FL
DACBCK
DACLRCK
DZF1
DAC_MS
DAC_DATA
DAC_CLK
DAC_RST
DACFL
DACFR
DACSW
-12V
+12V
DACPCMCSW_C
DACPCMCSW_SW
CH2:DACBCK
(DA64FS1)
CH4:DACMCK
(DA256FS1)
CH3:DACPCMF
(DADATAF1)
CH1:DACLRCK
(DAFS1)
(3) DAC input
5C
TO C5
3D
TO D3
D7
TO 7D
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
18