Denon AVR-785 Service Manual page 81

SCHEMATIC DIAGRAMS (10/13)
1 2 3
R699
47
C603
22/25
C611
22/25
C617
22/25
DVD/VDP
C624
22/25
C625
Q606
22/25
KRA104M
C628 D605
2.2/50 1SS133T
R641
10K
C630
22/25
TV/DVS
C636
D606
22/25
1SS133T
C637
22/25
C644
22/25 Q611
KRA104M
D608
C646
VCR
2.2/50 1SS133T
R676
10K
Q616
KTA1266Y
R696 C660
68 470/6.3
R607A C664
68 0.47/50
R625A1
1K
R625A C680
68 470/6.3
VCR OUT
R635A C688
68 470/6.3
R640A C689
68 0.47/50
Q620
R645A C690
KTA1266Y
68 470/6.3
MONITOR OUT
4 5
IC601
C-SIGNAL
1 16 BY
OUT IN1
BX
2 15
6dB
R603 C608 GND CTLA
CY
75 1/50
logic
3 14 CX
IN5 VOUT1
A0
4 13
GND VCC INH
6dB
5 12 VEE
IN4 IN2
logic
R610 10K GND
6 11
CTLE CTLB
7 10
IC602
IN3 VOUT2
8 9
CTLD CTLC
BA7626
S/C-SIGNAL
C-SIGNAL
BY
BX
IC606
CY
1 16 CX
OUT IN1
A0
2 15
R644 C629 6dB
GND CTLA INH
75 1/50
logic
3 14 VEE
IN5 VOUT1
GND
4 13
GND VCC
R654 C634
6dB
74HC4053
5 12 IC605
IN4 IN2
75 1/50 logic
6 11
R655 10K CTLE CTLB
7 10
IN3 VOUT2
8 9
CTLD CTLC
VDD
BA7626
S-C
Q11
Q10
Q9
R658A 470
Q8
R658B 470
Q7
IC610
R658C 470
Q6
R658D 470
1 16 Q5
OUT IN1
R665A R665B
2 15 10K 10K
R671 C645 6dB
GND CTLA
R669
75 1/50 R665C R665D
logic
10K 10K
3 14 R672
IN5 VOUT1
R673
4 13
GND VCC
R678
C648
6dB
5 12
IN4 IN2
logic
75 1/50
6 11
CTLE CTLB
R682 10K
7 10
IN3 VOUT2
8 9
CTLD CTLC
BA7626
S-Y
C694
47/16
6 7
IC603
LC74781
C601 BEAD
VDD VSS1 VDD1
C602 BD601
20P-J
B0 XTALIN RST
C609
1/50
C0 XTALOUT CTR3
20P-J
AY CTR1 CTR2
R727SC
AX
BLANK SEPIN
C610
100K
A OSCIN SEPOUT
R606
24P-J
B OSCOUT SEPC
C612 R608
2M2
C CHARA SYNIN
C613
1/50 220
CS VDD1
24P-J
74HC4053
SCLK CYIN
C616
SIN NC
1N2-K
R615 0
VDD2 CYOUT
VDD
B0
C0
AY
AX
A
B
C
S/Y-SIGNAL(OSD)
S/Y-SIGNAL
C711SC
S/C-SIGNAL
IC609
74HC4053 47/10
VSS BY VDD
DATA BX B0
CLK CY C0
S/Y-SIGNAL(OSD)
Q0 CX AY
C-SIGNAL(MIX)
Q1 A0 AX
Q2 INH A
Q3 VEE B
Q4 GND C
10K R666 470
10K R667 470
10K R668 470
Q623
KTA1266Y
S/Y-SIGNAL(TC)
S/C-SIGNAL(TC)
S/C-SIGNAL
S/Y-SIGNAL
C647
47/35
COMPOSITE VIDEO BOARD
S-VIDEO BOARD
9 8 7 6 5
10 12 13
BA7626 TRUE TABLE(MAIN/REC-S/W)
MODE A B M_OUT C D V_OUT
VCR L L IN1 L L
DVD/VDP H L IN2 H L IN2
TV/DBS L H IN3 L H IN3
V.AUX H H IN4 H H IN4
81
8 9 10
R601
100(1/4)
C615
47/50
VDD VSS
Q11 DATA
Q10 CLK
R637
Q9 Q0
Q8 Q1
1K
Q7 Q2
Q6 Q3
Q5 Q4
R645
430
S/Y-SIGNAL
IC607
NJM2274R
C-IN Y-IN
GND GND
VCC OUT
VCC OUT
470 R632E
470 R633E
R700SC
1K2
C652
1P-J
R705SC C649
300 47/16
R679
1K2
C651
C653
47/35 R675 1P-J
4 3 2 1
330
15 16 18
SCHEMATIC DIAGRAMS (10/13)
COMPOSITE VIDEO/S-VIDEO UNIT
(For E2 MODEL)
AVR-1905/785 AVC-1590
AVR-1905/785 AVC-1590
11
A
NC
NC
NC
SW_OUT
SW_GND
V_GND
V.AUX_V
V_GND
S-MONI
_DET
B
C
SW_OUT
SW_GND
NC
V_GND
NC
V_GND
NC
_DET
COMP
G
F
+6V
D
+9V
+6V
-6V
GND
C-VIDEO
DET
2090
_DATA
2090
_CLK
2090
_DATA2
LC74781
_SIN
LC74781
E
_SCLK
LC74781
_CS
F
S-VIDEO
DET
COM-VID
EO_DET
NC
NC
G
H