Denon AVR-2105 Service Manual page 250

Q Q
1 2
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS (3/16)
+3.3V
R818
10K
48 47 46 45 44 43 42 41 40 39 38 37 36 35
IC805
LH28F800BJE-PBTL90
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CB802
BEAD
BEAD
GND
+3.3V
R869
100
CB801
BEAD
BEAD
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
IC806
CY7C1049CV33
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
+3.3V
+3.3V
IC823
+3.3V
IN OUT
GND
C818
C819
1/50 470/10
+15V
T E
-15V L 1 3 9 4 2 2 9 6 5 1 3
DSP_+5V
DSP_GND
DSP_GND DSP_GND
AD1837_RESET AD1837_RST
AD1837_CE AD1837_CE
89057_1837_SCLK 89057_1837_SCLK
89057_1837_SDOUT 89057_1837_SDOUT
89057_CE 89057_CE
SHARC_SCLK SHARC_SCLK
SHARC_SDOUT SHARC_SDOUT
SHARC_CS SHARC_CS
SHARC_RESET SHARC_RESET
89057_RESET 89057_RESET
EPROM_RESET
89057_SDIN 89057_SDIN
SHARC_SDIN SHARC_SDIN
+5VD
-15VA
+15VA
IC826
OUT
C810
L804
47/16
OUT OPT 4.7UH
+5V
GND
C809
100N-K
IC801 C808
C807 L803
100N-K 47/16
4.7UH
+5V
OPT1
GND
IN
IC802 C801 C814 L801
100N-K 47/16
4.7UH
+5V
OPT2
GND
IN
IN
IC803 C806 C820
L802
100N-K 47/16
4.7UH
+5V
OPT3
GND
IN
JACK801
L805 R805 C812
2.2UH 0.1/50
100
COAX1
C813
10N-K
CB808
C915
100N-K BEAD
w w w
BEAD
.
3 4
C860
100N-K
IC818
SN74LV573APW
+3.3V
VCC OE
R852 100
ROM_18__RAM_19 DSP_34
1Q 1D
R853 100
ROM_8__RAM_20 2Q 2D DSP_33
R854 100
ROM_7__RAM_26 3Q 3D DSP_30
R855 100
ROM_6__RAM_27 4Q 4D DSP_29
R856 100
ROM_5__RAM_28 5Q 5D DSP_26
34 33 32 31 30 29 28 27 26 25
R857 100
ROM_4__RAM_29 6Q 6D DSP_25
R858 100
ROM_3__RAM_30 DSP_24
7Q 7D
R859 100
ROM_2__RAM_38 DSP_17
8Q 8D
ALE_DSP40 LE GND
IC819
SN74LV573APW
16 17 18 19 20 21 22 23 24
VCC OE
R860 100
ROM_1__RAM_39 1Q 1D DSP_52
R861 100
ROM_48__RAM_40 2Q 2D DSP_51
R862 100
ROM_17__RAM_41 3Q 3D DSP_50
R863 100
ROM_16 4Q 4D DSP_49
R864 100
ROM_9 5Q 5D DSP_46
R865 100
ROM_10 DSP_43
6Q 6D
R866 100
DSP_42
7Q 7D
R867 100
8Q 8D DSP_41
LE GND
1 2 3 15 14 13 16
ALE_DSP40
C865
100N-K
4 5 6 7 12 11 10 9 8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
IC817
CY7C1049CV33
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
GND
+3.3V
20 19 18 17 16 15 14 13 12 11
1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10
C817
C864
10/50 100N-K
36 35 34 33 32 31 30 29 28
R813
10K
37 DO
38
+5VD DI
39
CE
40 CL
41 XMODE
C844 IC807
R817
42 DGND
LC89057
20 19 18 17 16 15 14 13 12 11 100
43 DVDD
44 TMCK/PIO0
100N-K
C866 45
TBCK/PIO1
10N-K 46
TLRCK/PIO3
TDATA/PIO3
47
TXO/PIOEN
48
R812 10K RXOUT
1 2 3 4 5 6 7 8 9
1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10
+5VD +5VD
14 13 12 11 10 9
3 4
1 2
1 2 2 3 3 4 4 5 5 6 6
89057_INT
89057_EMPHA
SEL_CLK
ERR_MUTE
-15VA
+15VA
x a o
y
i
CN803
6 7 8
AVR2405,1805 ONLY
FROM CPU UNIT
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5
8
+3.3V
+1.2V
R897
0
108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
109 GND
110 VDDINT
111 GND
112 VDDINT
VDDINT
113 GND
DAI_P9(SD2A)
DAI_P8(SFS1)
114 VDDINT
C839
100N-K 115 GND
116 VDDEXT
117 GND
118 VDDINT
C833
119 GND
120 VDDINT
R826
10N-K
121 RESET
47
122 SPICS
123 GND
124 VDDINT IC804
SHARC EX
125 SPICLK
126 MISO
127 MISI
C840
100N-K 128 GND
129 VDDINT
R811 130 VDDEXT
10
131 AVDD
C841
100N-K 132 AVSS
133 GND
134 CLKOUT
135 EMU
136 TDO
137 TDI
138 TRST
139 TCK
C847
XTAL2 140 TMS
22P
18.750MHz
141 GND
142 CLKIN
143 XTAL
144 VDDEXT
C842
22P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
GND GND
+3.3V +3.3V
R820
BEAD
FLAG0
FLAG1
Q Q
3 7 6 3
20 19 18 17 16 15 14 13 12 11 20 19
CB806
BEAD
XTAL1 R809
12.288MHz 1M
C861
24P-J
C862
1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 1 2 2
24P-J
CB810
BEAD
27 26 25
24
R824
23
SDIN 47
SLRCK R825
22
SBCK 47
R823
RDATA 21
R831 47
RLRCK 20
BEAD
DVDD 19
DGND 18 R832
BEAD
RBCK 17
R833
16
RMCK
BEAD
AGND 15
AVDD
14
LPF C846
13 100N-K
10 11 12
GND
+5VD
TP
8 14 13 12 11 10 9 8
6 7
5 8
7 7 1 2 2 3 3 4 4 5 5 6 6 7 7
-15VA
+15VA
u 1 6 3
.
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6 7
9 2 4 9
EMU_DSP135
R892 0
R891 0
TMS_DSP140
R890 0
TCK_DSP139
TRST_DSP138
R895 0
TDI_DSP137
TDO_DSP136
R893 0 R894
0
75 74 73
72
R889 0
71
70
GND 69
VDDINT 68
GND 67
66
VDDINT
65 100N-K
DAI_P7(SCLK1)
C856
DAI_P6(SD1B) 64
DAI_P5(SD1A) 63
DAI_P4(SFS0) 62
GND 61
VDDINT 60
59
VDDEXT
58 100N-K
GND
C849
DAI_P3(SCLK0) 57
DAI_P2(SD0B) 56 13 14 10 11 6 5 3 2
GND 55
VDDINT 54
DAI_P1(SD0A) 53
R888 0
52
AD8
R887 0
AD9 51
R886 0
AD10 50
R885 0
AD11 49
GND 48 1 15 12 9 7 4 16 8
VDDINT 47
R884 0
AD12 46
C855
45
VDDEXT
100N-K
GND 44
R883 0
AD13 43
R882 0
AD14 42
R881 0
AD15 41
R880 0
ALE 40
R879 33
RD 39
38
GND
VDDINT
37
C854
100N-K
IC824
CB803 +1.2V
C920
18P BEAD
+1.2V BEAD OUT IN
GND
GND GND
+3.3V
R830 IC822
47
NJM7805
OUT
1 5 1 5 0 8 9 2 GND
R835
47 CB804
BEAD
18 17 16 15 14 13 12 11
GND
3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10
33 33 32 32 31 31 30 30 29 29 28 28 27 27
40 40 26
41 41 DSDATA1 NC 25
42 42 DSDATA2 AGND 24
43 43 DSDATA3 ADCRP 23
R829
47 44 44 DSDATA4 ADCRN 22 22
45 ABCLK IC808 ADCLP 21 21
R828 AD1837
46 ALRCLK ADCLN 20 20
47
R827
MCLK
47 AVDD 19 19
47
R834
ODVDD
47 48 FILTR 18 18
ASDATA FILTD
49 17 17
COUT AGND
50 16 16
CCLK OUTR2
51 15 15
52 NC 14 14
OUTL2
1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 13
GND
BEAD
CB805
BEAD
100
R807
+5VD +5VD
+3.3V +3.3V
14 13 12 11 10 9 8 14 13 12 11 10 9 8
PR
CLR Q PR
CLK CLR CLK Q
CLK Q CLK Q
D Q D Q
D Q CLR D Q CLR
PR PR
A B
1 2 2 3 3 4 4 5 5 6 6 7 7 1 2 2 3 3 4 4 5 5 6 6 7 7
m
-15VA -15VA
+15VA +15VA
c o
SCHEMATIC DIAGRAMS (3/16)
DSP UNIT (1/2)
AVR-2105/885 / AVC-1890
8
8 2 9 9
7-1/8
CN804
2 1
4 3
6 5
JTAG CONTROL JACK
8 7
A
10 9
12 11
14 13
B
+3.3V
IN
+15VA
4 9 8 2 9 9
C
GND
+5VA
SB_R
SB_L
SR
SL
AD_IN_R+
AD_IN_R-
AD_IN_L+
AD_IN_L-
SW
C
FR
FL
-15VA
C905 +15VA
100N-K
+5VD
C898
100N-K MUTE
C900 GND
10/50
C903
100N-K
C904
10/50
D
E
SIGNAL LINE