File name Denon-AVR1905 rec.pdfSCHEMATIC DIAGRAMS (1/13) INPUT / VOLUME BOARD
1 2 3 4 5 6
INPUT/VOLUME BOARD
*. C701L/R - C708L/R : E1, E2, C, H, T ONLY
AVR-1905/785 AVC-1590
7
8
9
10
11
CD
R701L R731 220(1) R732 220(1) R791 100(1) C701L 100P-J R711L 470 KDS160 KDS160 10N-K D5 R792 100(1)
L
C1 D6 2M2
A
FL
C782FL R782FL 100 3 2
C701R
100P-J R711R
2M2
R701R
MTZJ7.5A
R
470
C722 ZD702 MTZJ7.5A
C721
C723
47/25
47/25
C724 47N
+ -
4
IC781A NJM2068(1/2) 1 R788FL 470 6K8 56P-J
ZD701
10/50 C743 100P-J C742 100P-J C781FL 47N-Z
AUX
R702L C727 100N(EB) C702L 100P-J R712L 2M2 470 C728 100N(EB) C729 100N(EB) C730 100N(EB)
47N
R784FL R783FL C791 47/25 C792 47/25 47K C783FL R786FL
L
C741 100P-J
C702R
100P-J R712R
2M2
C725 4N7(EB)
C726 4N7(EB)
R733 4K7
R741
R742
R
470 C796 C797 R726L 10/50 IC703
VSS VDD
10/50
R743
R702R
R734 4K7
1K3
470
470
470
FR
C782FR R782FR 100 5 6
DVD/VDP
R703L
10/50
C733
+ -
8
IC781B NJM2068(2/2) 7 R788FR 470 6K8 56P-J
B
AGND2 DGND
AGND1 OUT2
GOUTSR
MUTE
DATA
DGND
VEE
CLOCK
AGND8
AGND7
AGND6
AGND5
AGND4
VINSR
VCC
OUT2(R)
AGND3
IC702
BNF12(R)
BNF22(R)
BBNF1(L)
68N(EB)
BNF11(L)
BNF21(L)
C703L
100P-J R713L
R724L
C715L
VCC
VEE
IN1
2M2
IN2
C781FR
R783FR
470
100
1 2 3
28 27 26 25 R722L 24 23 22 21 20 19 18 17
47N-Z
C703R
100P-J R713R
2M2
R723L
R725L
100K
100K
39K
R703R
5 6
IC721A NJM2068(1/2)
100 C711L
10/50 R729L 10N-K 100K 10/50 C732 10/50
66 67 68 69 70 71
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) IN2DSP(R) IN1DSP(L) INDVDSW IN2MIX(R) OUT2(R)+ IN1MIX(L) INDVDSR OUT1(L)+ OUT2(R)INDVDSL OUT1(L)IN82(FR) IN81(FL) INDVDC
VINSL OUTSR OUTSL OUTC
39 38 37 36
10/50
R
470
7 8 9 10
IC701 BD3811K1
1K3
2
C731
R786FR
4
C713L 10/50
3
+
4 1 R728L C716L 65 VIN1(L)
47K
R727L 39K
BBNF2(R)
OUT1(L)
TNF2(R)
TNF1(L)
AGND3
L
BD3812F
DA
CL
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
MUTE
OUT1
SEL
L
R
C714L 68N(EB)
39K
14 13 12 11 10
9
8
10/50
R784FR C783FR
1 C734 GOUTSL 40
2
3
4
5
6
7
OUTSW 35 VINC 34 C735 10/50 C736 C781SL R783SL 10/50 C782SL 10/50 R782SL 100 3 2 VINSW 31 GOUTSW 30 R784SL 47K C783SL R786SL 12K 39P-J 47N-Z AGND1 INDSPSW INDSPC INDSPSL INDSPSR 29 28 27 2K2 26 25 4 IC782A NJM2068(1/2) 1
SL
+ R788SL 470
TV/DBS
R704L
11 12 13
GND CLK STB DATA
R726R C714R 68N(EB) 68N(EB) R724R C715R 39K
72 73 74 75
GOUTC 33 AGND2 32
L
C704L 100P-J R714L 2M2 470 D4 10N-K KDS160 KDS160 C2 D3
16 15
14
100
TC9273-004
R727R 39K
76 77
C704R
100P-J R714R
2M2
R704R
C713R 10/50 470 470 470 R722R R723R R725R 100K 100K 39K
5 6
+ -
8 7 R728R 100 C711R IC721B NJM2068(2/2) C716R 10/50 R729R 10N-K 100K 78 79 80
C
R
470
100P-J C794
100P-J C793
100P-J
C795
IN32(R)
IN42(R)
IN52(R)
IN62(R)
R793
R794
R795
IN72(R)
IN31(L)
IN41(L)
IN51(L)
IN61(L)
IN71(L)
VCR IN
R705L
SR
C782SR 10/50 R782SR 100 5 6
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