A.audio/Video Unit (4/7) - Denon AVR-4520CI Service Manual

1 2
K3501
RCA-637-00-04
C3705 10/6.3
4
R3701
Y
75
C3706 10/6.3
SAT
3
R3702
Cb
75
C3707 10/6.3
2
R3703
Cr
1 75
C3708 10/6.3
8
Y R3704
75
C3709 10/6.3
DVD 7
R3705
Cb
75
C3710 10/6.3
6
R3706
Cr
75
5
C3711 10/6.3
RCA-637-00-04
4
R3707
K3502 Y
75
C3712 10/6.3
3
R3708
Cb
BD
75
C3713 10/6.3
2
R3709
Cr
1 75
C3714 10/6.3
SAT/CBL 4
R3710
75
C3715 10/6.3
DVD 3
R3711
75
C3716 10/6.3
MP
2
R3712
1 75
VIDEO IN
K3503
RCA-637-00-04
V
SAT DVD BD
SAT Z1
DVD Z2
MP MP
K3503 K3501
K3502
3X8_CBS-B
440mA
RADIATOR
DA+5V
U3707
F3702
NJM7805FA
T2A_250V
D3705 1N4003
IN OUT
D3706 1N4003
D3707 1N4003
D3708
1N4003
C3773 0.1
C3723 OPEN
3X8_CBS-B
RADIATOR
U3706
NJM7812FA
D3715 D3729
1N4003 1N4003
IN
N3701
7P-EH
C3702
C3703
1000/35
1000/35
1
2
3
TO TRANS
4
5
6
7
F3701
T2.5A_250V
D3701 1N4003
D3702 1N4003
D3703 1N4003
R3717 0 D3704
1N4003
C3766
2200/16(BP) D3721
1N4003
Z3709
D3722 1N4003
STYLE-PIN
φ 16
F3703
C3768 OPEN 1N4003
D3723
2200/16(BP)
D3724 1N4003
Z3711
OPEN
φ 16
Z3712
STYLE-PIN
Z3713
STYLE-PIN
Z3714 Z3715
STYLE-PIN OPEN
GND POWER + POWER -
3
IN1_Y
IN1_CB
IN1_CR
IN2_Y
IN2_CB
IN2_CR
IN3_Y
IN3_CB
IN3_CR
SAT
DVD
MP
Z2COMP
Y
80 79 78
Cb
81 VOUT3
Cr
82 VOUT2
Z1COMP 83 VOUT1
C3729 0.1
K3504 84 VCC
0.1
C3730
85 VEE
86 BIASV1
DVD
87 VIN1
88 VIN2
MP
89 VIN3
90 NC
SAT
91 VIN4
ENCOUT_V
92 VIN5
VAUX_V
93 VIN6
860_V
94 VIN7
C2_V
Z3708
95 VIN8
96 VIN9
C3731 0.1
Z3707
97 VCC
98 NC
99 VDD
R3721 OPEN
100 GND
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
Z3705
Z3706
D3711
OPEN.
C3732 OPEN
R3734 4.7K
300mA
R3735 4.7K
OUT
C3733 OPEN
D3712 OPEN.
200mA
200mA
Z3703
AV+3.3V
3X8_CBS-B
Z3701 U3701
D3716 D3717 D3718 RADIATOR
BA033T
200mA 1N4003 1N4003 1N4003
IN
OUT
D3720
1N4003
C3717
CE16.0
VAGND
4700/16(KOSHIN)
C3718
CE12.5
2200/16(KOSHIN)
200mA
U3702
NJM7905FA
AV-5V
200mA
Z3702
RADIATOR
Z3704
3X8_CBS-B
STBY POWER
4 5
TO AA
TO AUDIO/VIDEO CONNECT
TO 8U-210119-1(1/4)
77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
NC
49
PROUT4
48
NC
C3744
BIASPR2 47
0.1
46
VEE
45
VCC
C3745
PRIN1 44
0.1
43
PRIN2
U3703
42
PRIN3
AVDM-2000
PRIN4 41
40
PRIN5
39
PRIN6
C3746
BIASPR1 38
0.1 R3724
37
VEE
R3723
VCC 36
C3747
35
PBIN6 0.1
34
PBIN5
PBIN4 33
32
PBIN3
31
PBIN2
C3749
100/10
C3748
100/10
VIDEO SIGNAL LINE
155
6 7
AB
8U-210119-1(4/4)
A.AUDIO/VIDEO_UNIT
Z1_YOUT
Z1_CBOUT
Z1_CROUT
Z2_YOUT
Z2_CBOUT
Z2_CROUT
Z2_VOUT
IN1_C R
MediaPL
IN2_C R
IN3_C R
ENCOUT_C R
Z1_VOUT
C2_CR
OPEN
U3705
OPEN
OPEN
C2_CB C2_CB
PS GND
ENCOUT_C B C3757 OPEN 7 8 R3760 OPEN
VEE3 VOUT3
C2IN_CR 6 9 C3761 OPEN
V+3
C3758 VIN3 OPEN
IN3_C B OPEN 5 10 R3756
VEE2 VOUT2
IN2_C B C2IN_CB 4 11 C3762 OPEN
VIN2 V+2
C3755 3 12 R3758 OPEN
OPEN
C2IN_Y VEE1 VOUT1
2 13 C3759 OPEN
VIN1 V+1
C3756 OPEN 1 14 C3760 OPEN
IN1_C B C3774
OPEN
U3708
R3713
OPEN
3 8
R3757 OPEN
100
1
2
R3716
100K
R3715 R3714 OPEN
C3724 OPEN
OPEN
U3708
OPEN
6
7
5 4
C3775 OPEN
U3704 OPEN
VOUT 3
1 VIN
NC
ON/OFF GND 4
2 5
SCHEMATIC DIAGRAMS (10/36)

A.AUDIO/VIDEO UNIT (4/7)

COMPONENT (Y) SIGNAL LINE
8
A
B
K350 2
RCA-637-00-04
8
Y
MONITOR1
7
CB
6
CR
5
COMP OU T
K350 4
Y
RCA-349BF-00-07
4
CB ZONE2
3
MONITOR
CR
2
1
C
Z2MONITOR
7
VIDEO OUT
MediaPL
6
5
Z1MONITOR
8
K3503
RCA-637-00-04
OPEN
N3703
8 GND
7 C2IN_CR
6 GND
5 C2IN_CB
4 GND
3 C2IN_Y
2 GND
1 C2IN_V
D
E
VIDEO SELECTOR
F