Denon AVR-1905 Service Manual
SCHEMATIC DIAGRAMS (1/13) INPUT / VOLUME BOARD
1 2 3 4 5 6 7 8 9 10 11
AVR-1905/785 AVC-1590
*. C701L/R - C708L/R : E1, E2, C, H, T ONLY
CD
L
C1
10N-K
R
L
R
L
R
L
C2
10N-K
R
L
R
L
R
L
10N-K
C3
D1
R
L
R
R701L
470
D6
KDS160D5KDS160
R701R
470
AUX
R702L
470
R702R
470
DVD/VDP
R703L
470
R703R
470
TV/DBS
R704L
470
D3
KDS160D4KDS160
R704R
470
VCR IN
R705L
470
R705R
470
CDR/TAPE IN
R706L
470
R706R
470
VCR OUT
R707L
470
KDS160D2KDS160
R707R
470
CDR/TAPE OUT
R708L
470
R708R
470
2M2
R711L
C701L
100P-J
2M2
R711R
C701R
100P-J
2M2
R712L
C702L
100P-J
2M2
R712R
C702R
100P-J
2M2
R713L
C703L
100P-J
2M2
R713R
C703R
100P-J
2M2
R714L
C704L
100P-J
2M2
R714R
C704R
100P-J
2M2
R715L
C705L
100P-J
2M2
R715R
C705R
100P-J
2M2
R716L
C706L
100P-J
2M2
R716R
C706R
100P-J
2M2
R717L
C707L
100P-J
2M2
R717R
C707R
100P-J
2M2
R718L
C708L
100P-J
2M2
R718R
C708R
100P-J
IC705B
NJM2068(2/2)
+
5
-
8
R760ZR 510
100P-JC752ZR
10N-KC757
76
J702
Q753
2SK117Y
Q754
2SK117Y
Q751
KRC104M
R761ZR 10/50
100
D751
KDS160
D752
KDS160
R755
KRA102M
C753ZR
R731
C72247N
C721
47/25
ZD702
ZD701 MTZJ7.5A
C796
10/50
L
VSS
1
2
3
4
5
6
7
8
9
10
11
12
GND
13
14
CLK
TC9273-004
C795
C794
R793 470
100
R754ZL
C750ZL 100P-J
100
R757ZL
Q752
10K
1/50
C758
100K
R762ZR
100 4.7/50
R759ZL
IC703
VDD
STB
DATA
C793
100P-J
100P-J
R755ZL
200K
R756ZL
200K
+
3
2
-
R754
2K2
100
R757ZR
+
5
6
-
R759ZR
100
+
3
2 1
-
R760ZL 510
C797
10/50
R
28
27
26
25
24
23
22
21
20
19
18
17
16
15
R755ZR
R756ZR
4
1
IC704A
NJM2068(1/2)
8
7
IC704B
NJM2068(2/2)
IC705A
NJM2068(1/2)
4
100P-JC752ZL
200K
200K
C751ZL
R794 470
R761ZL
100
R726L
C714L
68N(EB)
100
R724L
C715L
C713L
10/50
100K
100K
R723L
R722L
C713R
10/50
100K
R722R
R795 470
100
R754ZR
4.7/50
C750ZR
C754
10N-K
10/50
R758ZL
100K
C755
10N-K
10/50
C751ZR
R758ZR
100K
100K
R762ZL
10/50
C753ZL
C756
10N-K
R725L
C714R
68N(EB)
100
R724R
C715R
100K
R723R
R725R
39K
R727L
39K
68N(EB)
4
+
3
2
-
39K
NJM2068(1/2)
R726R
39K
R727R
39K
68N(EB)
+
5
6
-
39K
NJM2068(2/2)
IC721A
8
IC721B
R728L
100
R728R
100
C716L
10/50
100K
R729L
C711L
10N-K
C716R
10/50
100K
R729R
C711R
10N-K
R762FL 4K7 R765FL 15K
47N-Z
C761FL
3K6
R761FL
R762FR 4K7 R765FR 15K
47N-Z
3K6
R761FR
47N-Z
C761SW C761FR
3K9
R761SW
C731
10/50
C732
10/50
4
-
2 1
3
+
NJM2068(1/2)
8
-
5
+
NJM2068(1/2)
100P-JC762SW
4
-
2 1
3
+
NJM2068(2/2)
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
IC761A
IC761B
IC763A
76
VIN1(L)
GOUT1(L)
AGND9
VIN2(R)
GOUT2(R)
AGND10
ROUT11(L)
ROUT12(R)
ROUT21(L)
ROUT22(R)
ROUT31(L)
ROUT32(R)
IN11(L)
IN12(R)
IN21(L)
IN22(R)
Q773
1
7
MTZJ7.5A
C727
C728
100N(EB)
4K7
R733
4N7(EB)C726
4N7(EB)C725
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
TNF1(L)
TNF2(R)
BNF11(L)
IN41(L)
IN32(R)
IN31(L)
R763FL
15K
R763FR
15K
2SK117Y
Q774
2SK117Y
C723
C729
100N(EB)
R734
BNF21(L)
IN42(R)
R764FL
R764FR
D771
1N4148WS
1N4148WS
R763SW
5K6
BNF12(R)
IN51(L)
D772
47N
C724
47/25
C730
100N(EB)
100N(EB)
4K7
AGND7
AGND8
OUT1(L)
OUT2(R)
BBNF1(L)
BNF22(R)
BBNF2(R)
IC701
BD3811K1
IN81(FL)
IN72(R)
IN71(L)
IN62(R)
IN61(L)
IN52(R)
C763FL
4K3
C763FR
4K3
C763SW
47N-Z
47N-Z
47N-Z
IN82(FR)
C764FL 33P-JC762FL 100P-J
-
2 1
3
+
C764FR 33P-JC762FR 100P-J
-
5
+
-
5
+
INPUT/VOLUME BOARD
R732
220(1)
220(1)
10/50C733
VEE
VCC
AGND6
INDVDSL
INDVDSR
4
IC762A
NJM2068(2/2)
8
76
IC762B
NJM2068(2/2)
47P-JC764SW
8K2R765SW6K8R762SW
8
76
IC763B
NJM2068(2/2)
DATA
MUTE
DGND
AGND4
CLOCK
AGND5
OUT2(R)+
INDVDSW
INDVDC
10K
R774
C773
OUT2(R)-
R772
OUT1(L)+
100(1)
1/50
R766SW
100
GOUTSR
IN1MIX(L)
IN1DSP(L)
OUT1(L)-
R771
100(1)
R766FL
100
R766FR
100
R773
C765SW
10/50
VINSR
IN2DSP(R)
242322212019181716151413121110987654321
2K2
AGND3
IN2MIX(R)
C765FL
10/50
C765FR
10/50
Q772
KRA102M
R767SW
GOUTSL
VINSL
OUTSR
OUTSL
OUTC
OUTSW
VINC
GOUTC
AGND2
VINSW
GOUTSW
AGND1
INDSPSW
INDSPC
INDSPSL
INDSPSR
100K
R767FL
R767FR
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
C772
100K
C771
100K
Q771
KRC104M
C734
10/50
C735
10/50
C736
10/50
R791
100(1)
100P-JC743
100P-JC742
100P-JC741
470R741
470R743
470R742
8CL9DA10
11
12
13
SEL
OUT214OUT1
MUTE
IC702
47/25
47/25
DGND
IN1
IN2
AGND1
AGND2
1
2
3
4
R761C 100
R761SR 100
BD3812F
VEE
VCC
AGND3
5
6
7
R761SL 100
R761SBL 100
R761SBR 100
C791
47/25
100(1)
R782FL
C782FL
100
10/50
C792
47/25 R792
C782SW
4.7/50
47N-Z
C781SW
R782SW
100
47N-Z
C781FL
C782FR
10/50
47N-Z
C781FR
C782SL
10/50
47N-Z
C781SL
C782SR
10/50
47N-Z
C781SR
C782C
4.7/50
C781C
47N-Z
47K
R783SW
C782SBL
4.7/50
47N-Z
C781SBL
C782SBR
4.7/50
47N-Z
C781SBR
R782FR
100
R782SL
100
R782SR
100
R782C
100
5
6
R784SW 15K
620
R786SW
R782SBL
100
R782SBR
100
R783FL
R783FR
R783SL
R783SR
R783C
+
-
R783SBL
R783SBR
47K
47K
47K
47K
47K
8
NJM2068(2/2)
100P-JC783SW
47K
47K
R786FL
R786FR
R786SL
R786SR
R786C
7
R786SBL
R786SBR
3
2
R784FL 6K8
1K3
5
6
R784FR 6K8
1K3
3
2
R784SL 12K
2K2
5
6
R784SR 12K
2K2
3
2
R784C 12K
2K2
IC783B
3
2
R784SBL 12K
2K2
5
6
R784SBR 12K
2K2
IC781A
4
NJM2068(1/2)
+
1
-
56P-JC783FL
IC781B
8
NJM2068(2/2)
+
7
-
56P-JC783FR
IC782A
4
NJM2068(1/2)
+
1
-
39P-JC783SL
IC782B
8
NJM2068(2/2)
+
7
-
39P-JC783SR
IC783A
4
NJM2068(1/2)
+
1
NJM2068(1/2)
-
39P-JC783C
4.7/50
IC784A
4
NJM2068(1/2)
+
1
-
39P-JC783SBL
IC784B
8
NJM2068(2/2)
+
7
-
39P-JC783SBR
FL
R788FL
470
FR
R788FR
470
SL
R788SL
470
SR
R788SR
470
CN551
SBL
C
R788C
470
GND
SBR
GND
SL
GND
SR
GND
FL
GND
FR
GND
C
14 13 12 11 10 9 8 7 6 5 4 3 2 1
GND
SW
R788SWC786SW
1K
100K
R787SW
SBL
R788SBL
470
SBR
R788SBR
470
A
B
C
TO CNT BOARD
D
E
F
R_NO
J701,J702
RLY701
IC704,IC705
RLY701
J701
E2,
E3
D753
KDS160
Q755
KRC104M
R753 47(1/4)
CN703
9 8 7 6 5 4 3 2 1
TC9273_CLK
G
CN701
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
GND
GND
ZONE_L
ZONE_R
VCR_MUTE
RLY_MULTI
TC9273_STB
TC9273_DATA
GND
V.AUX_L
V.AUX_R
GND
GND
TUNER_L
GND
GND
TUNER_R
GND
GND
6CH_C
6CH_SL
6CH_SR
6CH_SW
FROM CPU BOARD
GND
GND
6CH_FL
6CH_FR
FROM CPU BOARD
CN702
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
GND
A/D_IN_L
A/D_IN_R
GND
GND
GND
GND
D/A_OUT_C
D/A_OUT_FL
D/A_OUT_FR
D/A_OUT_SW
GND
GND
GND
GND
D/A_OUT_SL
D/A_OUT_SR
D/A_OUT_SBL
D/A_OUT_SBR
CN704
9 8 7 6 5 4 3 2 1
GND
+15V
-15V
SW_OUT
SW_SUM
3811K1_DATA
SW_GND
3811K1_CLK
3811K1_MUTE
TO CPU BOARD
SCHEMATIC DIAGRAMS (1/13)
INPUT/VOLUME UNIT
(For ALL MODEL)
H
SCHEMATIC DIAGRAMS (2/13)
1 2 3 4 5 6 7 8 9 10 11
+3.3V
R818
10K
C907
100/10
C815
100/10
IC823
+3.3V
IN OUT
GND
C818
1/50
AD1837_RST
AD1837_CE
89057_1837_SCLK
89057_1837_SDOUT
89057_CE
SHARC_SCLK
SHARC_SDOUT
SHARC_CS
SHARC_RESET
89057_RESET
89057_SDIN
SHARC_SDIN
C811
100N-K
C806
100N-K
C801
100N-K
C807
L805
2.2UH
22P-J
C805
22P-J
C809
47/16
C814
47/16
C808
47/16
C906
C816
C820
C804
C802
C803
+3.3V
100N-K
GND
+3.3V
100N-K
+3.3V
+3.3V
+3.3V
C819
470/10
-15VA
+15VA
C810
47/16
L804
4.7UH
L802
4.7UH
+5VD +5VD
22P-J
L801
4.7UH
22P-J
L803
4.7UH
22P-J
C812
R805
0.1/50
100
C813
75
R806
10N-K
FROM CPU UNIT
OUT
IN
100N-K
100N-K
AD1837_RESET
AD1837_CE
89057_1837_SCLK
89057_1837_SDOUT
SHARC_SCLK
SHARC_SDOUT
SHARC_CS
SHARC_RESET
89057_RESET
EPROM_RESET
89057_SDIN
SHARC_SDIN
OPT1
OPT2
COAX1
C916
C915
-15V
DSP_+5V
DSP_GND
DSP_GNDDSP_GND
89057_CE
OPT
OPT3
CB808
BEAD
BEAD
+15V
CB802
BEAD
BEAD
CB801
BEAD
BEAD
+3.3V
470/10
C830
CN801
17 16 14 13 11 10 8 7 5 4 2 11518 12 9 6 3
IC826
OUT
4K7
R802
+5V
GND
IC801
+5V
GND
R803
OPEN
IN
IC802
+5V
GND
OPEN
R801
IN
IC803
+5V
100N-K
GND
OPEN
R804
IN
JACK801
D801
KDS160
DSP_25
DSP_52
DSP_17
IC819(573)_18
4445464748 353637383940414243 34
DQ7
VSS
A16
DQ14
BYTE
DQ15A-1
A11
A12
A13
A14
A15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
IC818(573)_12
IC818(573)_14
IC818(573)_16
IC818(573)_13
IC818(573)_15
IC819(573)_19
DSP_51
DSP_50
DSP_52
1 2 3 4 5 6 7 8
A0A1A2A3A4
NC
NC
NCNCNC
A18
A17
A16
IC819(573)_17
IC819(573)_19
IC819(573)_18
GND
DSP_26
DSP_24
DQ6
DQ5
DQ4
VCC
DQ11
DQ12
DQ13
IC805
LH28F800BJE-PBTL90
NCNCA8A9A10
WE
10K
R850
DSP_35
IC818(573)_17
IC819(573)_15
DSP_49
DSP_46
DSP_33
DSP_30
DSP_34
9 10 11 12 13 14 15 16 17 18 19 20 21 22
CE
VSS
VCC
I/O0
I/O1
I/O2
IC806
AS7C34096
A15OEI/O7
IC818(573)_12
I/O6
3738394041424344 343536 282930313233
DSP_39 IC818(573)_18
DSP_24 IC819(573)_14
DSP_17
VCC
VSS
I/O5
DSP_25
C867
+5VD
+15VA
-15VA
DSP_29
DSP_30
DSP_33
DQ3
DQ2
DQ9
DQ1
DQ8
DQ10
A18RBNCNCRP
16 17 18 19 20 21 22 23 24
10K
R851
DSP_41
IC818(573)_19
IC819(573)_17
IC819(573)_16
DSP_43
DSP_41
DSP_35
DSP_42
DSP_29
IC818(573)_19
A5A6A7A8A9
WE
I/O3
I/O4
A14
A13
A12
A11
A10NCNC
DSP_26
IC818(573)_14
IC818(573)_16
IC818(573)_17
IC818(573)_13
IC818(573)_15
10N-K
-15VA
+15VA
IC810
C891
10N-K
DSP_39
DSP_34
DSP_51
2627282930313233 25
A0A1
OE
CE
DQ0
VSS
A2A3A4A5A6A7A17
DSP_43
DSP_49
DSP_46
DSP_42
DSP_50
100
R868
R869
100
IC818(573)_18
NC
NC
NC
2324252627
AVR2105ÞÅéÄ
GND
20 19 18 17 16 15 14 13 12 11
2G
VCC
74LCX244
1G
+5VD
19 16 14 13
20 18 17 15 12
VCC
IC812
74HCT244
1G
1 222G43 43 55 76 76 88 1010
+5VD
89057_INT
89057_EMPHA
+3.3V
ROM_18__RAM_19
ROM_8__RAM_20
ROM_7__RAM_26
ROM_6__RAM_27
ROM_5__RAM_28
ROM_4__RAM_29
ROM_3__RAM_30
ROM_2__RAM_38
ALE_DSP40
ROM_1__RAM_39
ROM_48__RAM_40
ROM_17__RAM_41
ROM_16
ROM_9
ROM_10
1G
1Y2
1Y1
R852 100
R853 100
R854 100
R855 100
R856 100
R857 100
R858 100
R859 100
R860 100
R861 100
R862 100
R863 100
R864 100
R865 100
R866 100
R867 100
16131531 2
14
2Y1
2Y2
2G
VCC
IC820
SN74LVC139A
2Y0
2Y1
GND
2Y2
2Y3
1Y3
1Y2
1Y1
1Y0
DSP_51
DSP_52
DSP_50
1 3 5
A0A1A2
A14
A15
A16
31229427625823102112191417
32 2830
IC818(573)_12
IC818(573)_13
IC819(573)_19
GND
1098765432 10987654321
11
GND
99
911
R902
100
DSP_49
DSP_34
DSP_33
7 9 11 131815
A3
CE
VCC
I/O0
I/O1
IC827
IDT71V124
VSS
I/O6
I/O7OEA13
26 24 2022
DSP_17
DSP_39
DSP_24
IC818(573)_14
810126 74 5
DSP_30
VSS
I/O2
I/O5
VCC
DSP_25
I/O3
I/O4
DSP_26 DSP_29
+5VD
AVR-1905/785 AVC-1590
C860
100N-K
0
R9970R998
BEAD
100N-K
C894
10N-K
OUTR3
AGND
ADCRP
ADCRN
ADCLP
ADCLN
AVDD
FILTR
FILTD
AGND
OUTR2
OUTL2
NC
C909
Q
Q
7766
NC
100N-K
NC
NC
GND
0
R999
NJM7805
OUT IN
1/50
26
OUTL3
25
24
23
22
22
21
21
20
20
19
19
18
18
17
17
16
16
15
15
14
14
EMU_DSP135
TMS_DSP140
TCK_DSP139
TRST_DSP138
TDI_DSP137
TDO_DSP136
0
IC824
+1.2V
GND
IC822
GND
C893
IC818
74LCX573APW
C865
C817
10/50
C866
10N-K
13579
OE
DSP_34
246810
1D
DSP_33
2D
DSP_30
3D
DSP_29
4D
DSP_26
5D
DSP_25
6D
DSP_24
7D
DSP_17
8D
GND
R840
100
R826
47
GND
C839
100N-K
C833
15N-K
C840
100N-K
100
R839
C847
22P-J
C842
22P-J
GND
13579
OE
DSP_52
246810
1D
DSP_51
2D
DSP_50
3D
DSP_49
4D
DSP_46
5D
DSP_43
6D
DSP_42
7D
DSP_41
8D
GND
ALE_DSP40
100
R841
FLAG2
FLAG3
GND GND
C841
100N-K
1M
R849
C837
C834
15N-K
R994
100
R811
10
XTAL2
18.750MHz
1000P-K
C838
AVR1505,1705,1905
C848
100N-K
+3.3V
GND
+3.3V
+3.3V
CB806
BEAD
BEAD
XTAL1
R809
12.288MHz
1M
C861
24P-J
C862
24P-J
CB810
BEAD
100N-K
220
R808
C859
100N-K
GND
C846
100N-K
C858
22N-Z
GND
BEAD
R831
BEAD
+5VD
14 13 12 11 10 9 8
R825
R833
BEAD
47
VCC
10N-K
IC815
74HC00
C890
R810
C844
100N-K
SEL_CLK
ERR_MUTE
10K
C889
C864
100N-K
37
38
39
40
41
42
43
44
45
46
47
48
10N-K
10K
10K
R814
R815
C857
C845
100N-K
33343536
DO
INT
DGND
CKST
RERR
DI
AUDIO/VO
EMPHA/UO
CE
CL
XMODE
DGND
DVDD
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO3
TDATA/PIO3
TXO/PIOEN
RXOUT
1 2 3 4
IC814
74HC00
IC807
LC89057
RX0
RX1
RX2
RX3
DGND
5 6 7 8 9 10 11 12
+5VD
14 13 12 11 10 9 8
VCC
3 4 6 7 B
1 2 5 8
2526272829303132
XIN
24
DGND
DVDD
XOUT
DVDD
XMCK
SDIN
23
SLRCK
22
SBCK
RDATA
21
RLRCK
20
DVDD
19
DGND
18
RBCK
17
RMCK
16
AGND
15
AVDD
14
LPF
DVDD
C843
100N-K
13
RX4
RX5/VI
RX6/UI
DVDD
DGND
+5VD
GND
765432 7654321
-15VA
+15VA
C832
100N-K
100N-K
R897
68
+1.2V
101 100
102103104105106107108
99 98 97 96 95
GND
GND
GND
+3.3V
GND GND
GND
GND
109
110
VDDINT
GND
111
VDDINT
112
GND
113
VDDINT
114
GND
115
VDDEXT
116
GND
117
VDDINT
118
GND
119
VDDINT
120
RESET
121
SPICS
122
GND
123
VDDINT
124
SPICLK
125
MISO
126
MISI
127
GND
128
VDDINT
129
VDDEXT
130
AVDD
131
AVSS
132
GND
133
CLKOUT
134
EMU
135
TDO
136
TDI
137
TRST
138
TCK
139
TMS
140
GND
141
CLKIN
142
XTAL
143
VDDEXT
144
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
C851
100N-K
VDDINT
VDDINT
VDDINT
VDDINT
VDDINT
CLKCFG1
BOOTCFG0
BOOTCFG1
GND
VDDEXT
CLKCFG0
R901 10K
R898 10K
R899 10K
R900 10K
FLAG2
FLAG3
VDDINT
VDDINT
GND
VDDINT
GND
VDDINT
GND
C850
100N-K
R995
FLAG0
FLAG1
+3.3V
20 19 18 17 16 15 14 13 12 11
2G
VCC
C868
10N-K
IC811
74LCX244
1G
R824
47
R823
47
R832
BEAD
TP
GND
765432 7654321
C871
100N-K
+1.2V
94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 737475
GND
GND
GND
VDDINT
VDDEXT
DAI_P20(SFS45)
IC804
SHARC EX
GND
FLAG0
FLAG1
AD7
GND
VDDINT
R870
100
C852
4K7
GND
1098765432 10987654321
C872
+3.3V
0
R896
VDDINT
DAI_P17(SD5A)
DAI_P18(SD5B)
DAI_P19(SCLK45)
VDDINT
GND
VDDEXT
GND
100N-K
DAI_P14(SFS23)
GND
DAI_P12(SD3B)
DAI_P13(SCLK23)
DAI_P9(SD2A)
DAI_P8(SFS1)
AD3
AD2
DAI_P11(SD3A)
DAI_P10(SD2B)
VDDINT
DAI_P7(SCLK1)
DAI_P3(SCLK0)
VDDEXT
GND
GND
VDDINT
VDDINT
VDDINT
DAI_P6(SD1B)
DAI_P5(SD1A)
DAI_P4(SFS0)
VDDINT
VDDEXT
DAI_P2(SD0B)
VDDINT
DAI_P1(SD0A)
VDDINT
VDDEXT
VDDINT
AD1
AD0
GND
GND
GND
GND
GND
AD8
AD9
AD10
AD11
GND
AD12
GND
AD13
AD14
AD15
ALE
GND
WR
GND
GND
VDDINT
DAI_P15(SD4A)
DAI_P16(SD4B)
VDDINT
AD6
AD5
AD4
VDDINT
100R871
C853
100N-K
R873 100
R875 68
R872 100
R874 68
+3.3V
R820
100N-K
BEAD
C863
10N-K
+3.3V
+3.3V
R878 0
R876 68
R877 68
+3.3V
20 19 18 17 16 15 14 13 12 11
2G
VCC
1G
VCC
2018161412
1Q
2Q
3Q
17 1911 13 15
4Q
5Q
6Q
7Q
8Q
LE
+3.3V
IC819
74LCX573APW
VCC
2018161412
1Q
2Q
3Q
17 1911 13 15
4Q
5Q
6Q
7Q
8Q
LE
100N-K
C870
100N-K
DSP_35
DSP_43
DSP_41
DSP_46
DSP_42
16
A4A5A6
A7A8
WE
A9
A10
A11
A12
IC818(573)_15
IC818(573)_17
IC818(573)_16
IC818(573)_19
IC818(573)_18
R813
10K
R817
100
47R838
R812 10K
R892 180
R891 100
R890 180
R895 0
R894
0R893
0
72
GND
R889 240
VDDEXT
71
70
69
68
67
66
100N-K
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
RD
39
38
37
VDDINT
+1.2V
100N-K
+3.3V
R888 0
R887 0
R886 0
R885 0
R884 0
C855
100N-K
R883 0
R882 0
R881 0
R880 68
R879 0
C920
+3.3V
+3.3V
-15VA
+15VA
C856
C849
C854
100N-K
OPEN
GND
1098765432 10987654321
R827
47
GND
C/SW_OUT
FL/FR_OUT
SL/SR_OUT
SBL/SBR_OUT
285
31661013
1in2
1in0
2in0
2in1
3in0
3in1
4in0
4in1
IC816
74LVX157MTC
GND
VCC1Y2Y3Y4YES
7 41191415
1 12
GND
+3.3V
+1.2V
D803
KDS160
C835
C836
100N-K
1000P-K
GND
R830
47
C911
GND
C899
C910
100N-K
10/50
10/50
R835
47
GND
IC809 74LCX244
GND
3938393837
DGND
40
40
DVDD
DBCLK
41
41
DSDATA1
42
42
DSDATA2
43
R829
47
R828
47
R834
47
47
R836
BEAD
CB805
BEAD
1314 12 11 10
VCC
IC825
74LCX74
C913
10N-K
9 8
PR
CLR
Q
CLK
Q
CLK
D
Q
CLR
D
Q
PR
A
5432 54321
7766
DSDATA3
444344
DSDATA4
45
ABCLK
46
ALRCLK
47
MCLK
48
ODVDD
49
ASDATA
50
COUT
51
CCLK
52
DVDD
CLATCH
DGND
C902
C901
100N-K
470/10
+5VD
+3.3V
C912
10N-K
GND
363534
DLRCLK
CIN
32 321
R837
470
33 32 3133 32 31 30 29 28 2730 29 28 27
M/S
AGND
IC808
AD1837
PD/RST
AGNDNCOUTL1NCOUTR1
100
R807
VCC
IC821
74LCX74
C914
100N-K
-15VA
+15VA
C821
470/10
CB804
BEAD
C897
100N-K
NC
AGND
OUTL4NCOUTR4
AGND
1314 12 11 10
CLR
Q
CLK
D
Q
PR
R996
CB803
BEAD
C831
BEAD
+5VA
AVDD
AVDD
1110987654 1110987654 12 13
C908
10/50
+5VD
9 8
PR
CLK
D
CLR
5432 54321
CN804
2
1
4
3
6
5
7
9
11
13
JTAG CONTROL JACK
A
8
10
12
14
0
R816
B
+3.3V
INOUT
C
+15VA
10/50
C892
GND
+5VA
SB_R
SB_L
SR
SL
+5VA
GND
C905
100N-K
C898
100N-K
C900
10/50
C903
100N-K
+5VA
C904
10/50
AD_IN_R+
AD_IN_R-
AD_IN_L+
AD_IN_LÂSW
C
FR
FL
-15VA
+15VA
+5VD
MUTE
GND
D
E
F
G
1 2 4 5 7 8 10 1163 9
CN803
BSE
89057_EMPHA
FROM CPU UNIT
7 8
6
GND
FLAG2
FLAG1
FLAG3
FLAG0
SEL_CLK
ERR_MUTE
89057_INT
AVR2405,1805 ONLY
FRONT_OPT_IN
SCHEMATIC DIAGRAMS (2/13)
DSP UNIT -1
H
(For ALL MODEL)
SCHEMATIC DIAGRAMS (3/13)
1 2 3 4 5 6 7 8 9 10 11
AVR-1905/785 AVC-1590
+5VA
SB_R
SB_L
AD_IN_R+
AD_IN_RÂAD_IN_L+
AD_IN_L-
-15VA
+15VA
+5VD
MUTE
GND
R859L
5K6
R867SL
4K7
5
678
R869SL
5K6
R868SL
4K7
R867SR
4K7
2
4K7
R868SR
R867C
4K7
5
678
R868C
4K7
R867SW
4K7
2
R868SW
4K7
R867FL
4K7
5
678
4K7
R868FL
R867FR
4K7
2
4K7
R868FR
R867SBL
4K7
5
678
4K7
R868SBL
R867SBR
4K7
2
4K7
R868SBR
NJM2068
IC817A
C874SR
43
560P-J
IC818A
NJM2068
C874SW
43
R869SW
IC819A
NJM2068
C874FR
560P-J
43
R869FR
5K6
C874SBL
IC820A
NJM2068
C874SBR
43
R869SBR
560P-J
560P-J
1
R869SR
5K6
C874C
R869C
5K6
560P-J
1
5K6
C874FL
560P-J
R869FL
5K6
1
560P-J
R869SBL
5K6
560P-J
1
5K6
C875SL
10/50
GND
C875SR
10/50
GND
C875C
10/50
GND
C875SW
10/50
GND
C875FL
GND
C875FR
10/50
GND
C875SBL
10/50
GND
C875SBR
GND
SL
R870SL
1K
100K
3N3(EB)
C876SL
R872SL
2K2
R872SR
2K2
100K
3N3(EB)
C876SR
R871SR
100K
R871C
R872C
3N3(EB)
C876C
2K2
SR
C
KTC2874B
Q804SL
KTC2874B
Q804SR
Q804C
KTC2874B
C874
100/25
AVR1505/1705ONLY
J801
J802
GND
C873
100/25
JUMPER
AVR1905ONLY
JUMPER
1715141211986532 19161310741 18
SBL
GND
SBR
GND
SL
GND
SR
GND
C
GND
SW
GND
FL
GND
FR
GND
ANAL_L
GND
ANAL_R
CN802
TO CPU UNIT
SW
Q804SW
100K
R871SW
R872SW
C876SW
2K2
3N3(EB)
KTC2874B
FL
Q804FL
R872FL
100K
R871FL
2K2
C876FL
3N3(EB)
KTC2874B
C882
100N-K
C881
C880
100N-K
R870SW
C879
100N-K
R870FL
C878
100N-K
R870SR
1K
1K10/50
100N-K
R871SL
1K
R870C
1K
FR
R870FR
1K
C877
100N-K
C883
100N-K
C884
100N-K
R870SBL
1K
R870SBR
1K10/50
100K
R871FR
R871SBL
R871SBR
R872FR
2K2
C876FR
3N3(EB)
SBL
R872SBL
100K
2K2
3N3(EB)
C876SBL
SBR
R872SBR
100K
2K2
3N3(EB)
C876SBR
Q804FR
KTC2874B
Q804SBL
KTC2874B
Q804SBR
KTC2874B
C896
0.1/50
R939
470K
100K
R864SW
R864FR
R866SL
4K7
C873SL
680P-J
680P-J
C873SR
C873C
680P-J
R866SW
100K
680P-J
C873SW
C873FL
680P-J
100K
680P-J
C873FR
R866SBL
680P-J
C873SBL
R866SBR
680P-J
C873SBR
R866SR
4K7
R866C
4K7
4K7
R866FL
4K7
R866FR
4K7
4K7
4K7
C874SL
R861L
470
C871L
1N(EB)
R863L
470
R861R
470
C871R
1N(EB)
C875
100N-K
R863R
470
SR
SL
SW
C
FR
FL
IC815A
BA4510F
1
R862L
5K6
R860L
2
+-3
R864L
R862R
5K6
8
-
7
+
4
5K6
750K
C876
100N-K
R860R
6
5
5K6
750K
R864R
IC816A
BA4510F
1
7
C865L
120P-J
8
4
+-3
R859R
5K6
C865R
120P-J
-
+
A/D_IN_L
R931L
C887
10/50
R932L
150K
12K
2
C888
100N-K
C864L
47/16
R933
4K7
R934
5K1
C869L
100P-J
A/D_IN_R
12K
C886
100N-K
C864R
47/16
R925
4K7
R924
5K1
C869R
100P-J
R843
470
Q809
KRA102S
Q808
KRC102S
R931R
6
R932R
5
150K
C885
10/50
C880SL
10/50
C880SR
10/50
C880SBL
10/50
C880SBR
10/50
R864SL
100K
R864SR
100K
C880C
10/50
C880SW
10/50
C880FL
10/50
R864FL
100K
C880FR
10/50
R864SBL
100K
R864SBR
100K
R864C
A
B
C
D
E
F
G
SCHEMATIC DIAGRAMS (3/13)
DSP UNIT -2
(For ALL MODEL)
H
SCHEMATIC DIAGRAMS (4/13)
1 2 3 4 5 6 7 8 9 10 11
TO INPUT BOARD
FROM DSP BOARD
A/D_IN_R
GND
A/D_IN_L
GND
D/A_OUT_FR
GND
D/A_OUT_FL
GND
D/A_OUT_SW
GND
D/A_OUT_C
GND
D/A_OUT_SR
GND
D/A_OUT_SL
D/A_OUT_SBL
GND
GND
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
D/A_OUT_SBR
AVR-1905/785 AVC-1590
GND
A/D_IN_L
D/A_OUT_FR
GND
D/A_OUT_C
GND
A/D_IN_R
GND
GND
D/A_OUT_FL
GND
GND
D/A_OUT_SW
D/A_OUT_SR
D/A_OUT_SBR
GND
GND
D/A_OUT_SL
D/A_OUT_SBL
19181716151413121110987654321
CP702
R273
Q259
KTC2874B
Q257
KRA102S
FROM EXT-IN BOARD
R274
470
Q260
KTC2874B
R264
10K
R269
22K
1K
KTC2874B
470
R276
KTC2874B
Q258
C253
R270
470K
0.1/50
REMOCON
TUNER_R
CPU_GND
CPU_+5.6V
1 3 4 6 7 9 10 12 13 15 16 1852 118 1714
Q263
22K
R275
R271
10K
R272 1K
TUNER_L
GND
GND
6CH_FL
GND
GND
6CH_FR
6CH_SW
GND
6CH_SR
GND
6CH_C
6CH_SL
GND
CP402
6CH_FL
GND
GND
6CH_SR
6CH_SL
GND
6CH_FR
GND
GND
6CH_C
GND
GND
6CH_SW
TUNER_R
V.AUX_R
TUNER_L
GND
GND
V.AUX_L
TO INPUT BOARD
19181716151413121110987654321
CP701
Q254
KRA102S
R266
Q255
KTC2874B
1K
R267
Q256
KTC2874B
4K7
R263
C252
470K
0.1/50
4K7
R265
ZONE_R
GND
GND
ZONE_L
TC9273_STB
RLY_MULTI
VCR_MUTE
CPU_05
R260 10K
R251
CPU_33
10K
CPU_35
R259 10K
Q251
KRA102M
TC9273_CLK
TC9273_DATA
987654321
CP703
CPU_36
CPU_37
R258 10K
R257 10K
Q253
KTC2874B
1K
R252
R253
+15V
3811K1_CLK
SW_GND
SW_OUT
470K
R256
R255
C251
3811K1_MUTE
-15V
CPU_01
1K
Q252
KTC2874B
22K
0.1/50
GND
SW_SUM
3811K1_DATA
987654321
CP704
CPU_03
CPU_10
CPU_02
10K
R254
TO INPUT BOARD
CPU BOARD
BD204
C293
BEAD
22N
CP202
DSP_+5V
DSP_GND
FRONT_OPT_IN
4 3 2 1
DSP_GND
A
B
FROM OPT-IN BOARD
FROM EXT-IN BOARD
RDS_DET_OUT
CPU_GND
ST
+12V
(CPU_97)
(CPU_96)
NC
TUNED
PLL_DT_IN (CPU_94)
PLL_CLK (CPU_93)
PLL_DATA (CPU_92)
PLL_CE (CPU_98)
TO DSP BOARD
VCC
89057_EMPHA
BSE
89057_INT
ERR_MUTE_OFF
ERR_MUTE
FLAG3
FLAG2
FLAG1
FLAG0
DSP_GND
FRONT_OPT_IN
FLAG0
FLAG1
FLAG2
FLAG3
VCC
SHARC_SDIN
EPROM_RESET
SHARC_RESET
SHARC_CS
SHARC_SDOUT
SHARC_SCLK
DSP_GND
DSP_+5V
TO DSP BOARD
+15V
+15V
-15V-15V
DSP_+5VDSP_+5V
DSP_GNDDSP_GND
DSP_GNDDSP_GND
1837_RESET
1837_CE
89057/1837_SCLK
89057/1837_SDOUT
89057_CE
SHARC_SCLK
SHARC_SDOUT
SHARC_CS
SHARC_RESET
89057_RESET
EPROM_RESET
89057_SDIN
SHARC_SDIN
CP802
CP401
10987654321
0.01UF-ZC294
12
CP803
11 10 9 8 7 6 5 4 3 2 1
13 12 11 10 9 8 7 6 5 4 3 2 1
CN901
134679101213151618 5 211 817 14
CPU_20
CPU_67
CPU_19
CPU_18
CPU_17
CPU_66
CPU_16
CPU_15
CPU_68
CPU_14
CPU_13
CPU_12
CPU_11
* AREA _ OPTION
CP804
AREA(PIN 57)
1604X-E3,EU
1604X-E2,EK,EA
1604X-E1,C,K
1580X-N
BD203
BEAD
100P-JC262
100P-JC261
CPU_09
CPU_08
CPU_65
CPU_07
CPU_06
CPU_79
CPU_80
CPU_81
CPU_82
100P-JC267
* AVC1580X (N)
J251 10K
BD205
BEAD
10KJ250
* MODEL _ OPTION
R216
R218
OPEN
180K
100K
MODEL(PIN 58) R217
AVC - 1580X
AVR - 684X 100K
AVR - 1604X
1604X RDS
100K
100K 180K OPEN
100K
150K
100K
100K
100K
R219
OPEN
OPEN
180K
CPU_97
CPU_96
R249 10K
R250 10K
R211
10K
R213 12K
R214 12K
R215 12K
TO FRONT BOARD
R268 10K
R247 470
R246 470
R245 470
R243 470
R242 470
R241 470
R248 10K
CP301B
CPU_95
1
33
44
66
88
22
55
470
R244
2090_DATA
(VIDEO)
2090_CLK
(VIDEO)
PLL_CE
TUNED
ST
TU_MUTE
PLL_DT_IN
PLL_CLK
PLL_DATA
2090_DATA2(VIDEO)
NC
VDD(BACK UP)
VSS
GND
S-MONI_DET
REMOCON
LC74781_CS
LC74781_SCLK
8282 8383 8585 8686 8888 8989 9191 9292 9494 9595 9797 100100
81 8484 8787 9090 96969393 9898 9999
FLAG2
8080
1 2 4 5 7 8 10 13 16 19 213 1196 17151412 2018
VCR
MULTI MUTE
1 : BD3811K1/3812F_MUTE
2 : BD3811K1/3812F_CLK
82 : SHARC_INTREQ(FLAG0)
81 : FLAG1
RDS_CLK BD3811K1/3812F_DATA
FLAG3
TA1270_TC90A69_CLK
RDS_DATA
7878
7777
7979
7676
CPU_51
CPU_50
CPU_48
CPU_49
SEL_UP
VOL_UP
SEL_DOWN
99
77
BSE
ERR_MUTE
89057_EMPHA
ERR_MUTE_OFF
TA1270_TC90A69_DATA
NC
LC74781_SOUT
7575
7373
7272NC7070
7474
R232
10K
CPU_47
CPU_45
CPU_44
CPU_46
2090_DATA
VOL_DOWN
FL_DRV_DATA
KEY_IN3(CPU_60)
KEY_IN1(CPU_62)
KEY_IN2(CPU_61)
FL_DRV/2090_CLK
TO CNT BOARD
1010
S.W_SUM
NC
7171
1111
1212
89057_SDIN
SHARC_SDIN
FRONT_MUTE
PWR_DOWN
6969
1414
1515
1313
1616
SHARC_CS
EPROM_RESET
IC201
CXP740096
1837_CE 89057_RESET
SHARC_SCLK
SHARC_RESET
89057_INT SHARC_SDOUT
6767
6666
6868
6565
1K
R212
1717
89057_CE
PROTECT
6464
1818
1919
89057 / 1837_SCLK
C-VIDEO_DET 89057 / 1837_SDOUT
KEY_IN1
6363
6262
2020
2121
2323
2222
SW_MUTE
31 : SURR_SB_MUTE
32 : CNT_MUTE
33 : RLY_MULTI
49 : VOL_UP
50 : SEL_DOWN
KEY_IN2 1837_RESET
KEY_IN3 REELAY_SURR_SB
SET_OPT RELAY_FRONT_B
GND
6161
6060
5858
5959
10K
R220
2424
STEP_OPT RELAY_FRONT_A
5757
2626
2525
RELAY_CNT
S-VIDEO_DET
COM-VIDEO_DETECT RELAY_SURR
5555
5656
2727
2929
3030
2828
FUNC_UP
RELAY_H/P
FUNC_DOWN
SURR_MUTE
TC9273_STB
TC9273_CLK
TC9273_DATA
FL_DRV_RST
RELAY_POWER
RESET
GND
XTAL
EXTAL
FL_DRV_CE
FL_DRV_DATA
FL_DRV/2090_CLK
2090_DATA
VOL_DOWN
AVDD
AVSS H/P_DETECT
SEL_UP
VREF
5454
5252
51
5353
NC
R208
KDS160
D201
1KR231
C201
C221
10N-K
100/10
KDS160
D205
BD201
BEAD
R209
100K
BACK_UP_POWER
C202
100N-Z
BC201
3300/6.3V
RESET
220K
R206
R207
10K
BD202
BEAD
X201
CST12M
4949 4848 4646 4545 4343 4242 4040 3939 3737 3636 3434 31
5050 4747 4444 4141 35353838 3333 3232
R219
R218
R216
OPTION
OPTION
R217
OPTION
OPTION
(A)
Q202
C205
100N
KTC3875S
R221
1K
R222
1K
1111
T57
IC202
TDA7330BD
OSCIN
X202
X4M322
R225
C212
27P-J
2M2
R204
C204
4K7
4.7/50
D204
R203
KDS160
10K
R205
R223
10K
R224
10K
RDCL
RDDR
T4
OSCOUT
C211
C206
47/16
AR1
VCC
QUAL
GND
T1
T3
27P-J
10K
CPU_21
CPU_23
CPU_24
1N4007
D202
D203
1SS133T
ZD201
R202
MTZ3.3B
4K7
10N-K
1SS133T
D206
10N C203
C207
2019
18171615141312
T2
TM
POR
FSEL
MPXIN
VREF
FILOUT
COMP
1
2
345678910
C209
C210
10N-K
C208
10/50
270P-J
R201
1K
1K
Q201
KRC104S
1K
R262
Q261
2SA933S
3K3
R261
Q262
KRC107S
CPU_25
CPU_26
CPU_27
CPU_39
CPU_31
CPU_32
CPU_69
CPU_34
J214
BEAD
22N
C291
22N
C292
RDS ONLY
7906_IN
GND
7806_IN
MUTE_+5V
+15V
-15V
GND
RLY_SURR-SB
RLY_SPK_B
RLY_SPK_A
RLY_SURR
RLY_CNT
H/P_MUTE
RLY_POWER
SURR_SB_MUTE
CNT_MUTE
FRONT_MUTE
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
SURR_MUTE
CP552
CPU_+5.6V
CPU_GND
PWR_DOWN
PROTECT
-VKK
GND
GND
+24V
DSP_GND
10 9 8 7 6 5 4 3 2 1
DSP_+5V
CP553
654321
V_AUX_R
GND
V.AUX_L
GND
V_GND
V.AUX_V
CP201
C
D
TO CNT BOARDFROM FRONT BOARD
E
F
7806
IC274
IC271
7809
CPU_28
CPU_29
CPU_38
CPU_30
1K
R210
-VKK
H/P_DET
FUNC_UP
FL_DRV_CE
FL_DRV_RST
CPU_GND
CPU_GND
CPU_+5.6V
FUNC_DOWN
RLY_POWER
TO VIDEO BOARD
REMOCON(CPU_85)
CPU_76
CPU_84
CPU_55
CPU_75
CPU_73
CPU_56
LC74781_CS
COMPONENT_DET
TA1270_TC90A69_CLK
CPU_91
CPU_83
CPU_99
CPU_63
CPU_100
C28110/50
CPU_86
CP602
151413121110987654321
-6V
+6V
+9V
GND
LC74781_SIN
S-VIDEO_DET
LC74781_SCLK
TA1270_TC90A69_DAT
C-VIDEO_DET
2090_CLK(VIDEO)
2090_DATA(VIDEO)
2090_DATA2(VIDEO)
GND
ZONE_R
V_GND
ZONE_L
SW_OUT
SW_GND
CP601
987654321
V_GND
V.AUX_V
S-V MONITOR_DET
SCHEMATIC DIAGRAMS (4/13)
CPU UNIT
C28010/50
IC272
C278 10/50
D212 1SS133T
7806
C286 10/50
7906
IC273
G
1SS133TD222
H
(For ALL MODEL)
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