Digital Unit (10/14) - Denon AVR-4520CI Service Manual

1 2
D5V
SCPU3.3V
SCPU5V
DGND
M3.3V
TO DH
TO
DV_POWER1
DV_POWER2
SUBCPU
CEC_POWER
MHL_VBUSFLAGS-
MHL_POWERS
TO 8U-310116(14/14)
MHL_CABLE_DETS
MHL_VBUS_CNTS
DG FRONT_RSTS
MHL_VBUSFLAGM-
R1701 D1701
Q1702
100K KDS160
KRA302E-RTK/P
Q1703
R1702
KRA302E-RTK/P
100K
Q1701
KRC404E-RTK
KRC404E-RTK
D1702 KDS160E
MHL_POWERM
Q1705
KRA302E-RTK/P
D1703
KDS160E
Q1706
KRA302E-RTK/P
Q1704
KRC404E-RTK
MHL_CABLE_DETM
R1704 Q1708
D1704
10K
KRA302E-RTK/P
KDS160
TO DJ
Q1709
Q1711
KRA302E-RTK/P
TO KRC402E-RTK
Q1707
MAIN R1705 KRC404E-RTK
10K
CPU
D1705 KDS160E
MHL_VBUS_CNTM
Q1713
TO 8U-310116(13/14) KRA302E-RTK/P
DI
R1757 0 D1706
KDS160E
Q1714
KRA302E-RTK/P
Q1712
KRC404E-RTK
Q1728
OPEN
D1707
KDS160E
FRONT_RSTM
Q1716
KRA302E-RTK/P
D1708 KDS160E
Q1717
KRA302E-RTK/P
Q1715
KRC404E-RTK
FRONT_RST
SCPUPOWER_MO
MHL_W/U
GND POWER + POWER -
3
Q1718 2SA2018
R1706 R1707
10K 3.3K
CEC_POWER
Q1719
KRC404E-RTK
47k/47k
DV_POWER1 19 18 17 16 15
DV_POWER2
L1701
CEC_POWER
20 PVIN
BLM21PG221
21 PVIN
22 NC
L1702
23 NC
BLM21PG221
24 NC
25 PGND
26 27 28 29 30 31 32 33 34 35 36 37 38
CEC_POWER
R1709 OPEN
C1703 R1710
C1704
OPEN OPEN
OPEN
19 18 17 16 15
L1705
BLM21PG221 20 PVIN
21 PVIN
22 NC
L1706
23 NC
BLM21PG221
24 NC
25 PGND
26 27 28 29 30 31 32 33 34 35 36 37 38
CEC_POWER
R1715 OPEN
C1714 R1716
C1715
OPEN
OPEN
OPEN
Q1726
KRA302E-RTK/P
Q1720 2SA2018
MHL_VBUSFLAG-
R1720 R1721
Q1727
10K 3.3K
DV_POWER1
MHL_POWER
Q1721
KRC404E-RTK
47k/47k
R1722 4
R1723
10K
10K
DV_POWER1 3
Q1710 Q1722 Q1723
KRC404E-RTK FDC608PZ
KRA302E-RTK/P
47k/47k
MHL_CABLE_DET
MHL_VBUS_CNT 19 18 17 16 15
L1710
BLM21PG221 20 PVIN
21 PVIN
22 NC
L1711
23 NC
BLM21PG221
24 NC
25 PGND
26 27 28 29 30 31 32 33 34 35 36 37 38
DV_POWER2
R1725 OPEN
C1728 R1726
C1729
OPEN OPEN
OPEN
R1759 OPEN
GP
TO HDMI RX
TO GO
STBY POWER
4 5
CEC3.3V
14 13 12 11 10 9 8 7
L1703
BLM21PG221
L1714
VOUT 6
OPEN
VOUT 5
L1704
U1701
NC 4
BLM21PG221
L1715
NC 3
EX3AV
OPEN
2
NC(SW)
NC(SW) 1
CEC_POWER
CEC1.8V
14 13 12 11 10 9 8 7
L1707
BLM21PG221
L1718
6
VOUT BLM21PG221
VOUT 5
L1708
U1702 4
NC
BLM21PG221
L1719
EX3AV NC 3
BLM21PG221
2
NC(SW)
NC(SW) 1
CEC_POWER
D1709
OPEN
MHL_POWER
KRC404E-RTK
L1709
5 6
BLM21PG221
1
2 MHL_VBUS_CNT
MHL_VBUSFLAG-
DV1.8V
14 13 12 11 10 9 8 7
L1712
BLM21PG221
L1722
VOUT 6
BLM21PG221
VOUT 5
L1713
U1703
NC 4
BLM21PG221
L1723
NC 3
EX3AV
BLM21PG221
2
NC(SW)
NC(SW) 1
DK
TO HDMI TX
TO 8U-310116(6/14) TO 8U-310116(8/14)
TO DL
177
6 7
CEC3.3V2
TPF32 0
19 18 17 16 15 14 13 12 11 10 9 8 7
L1716
OPEN
TPF321
20 PVIN VOUT 6
21 PVIN VOUT 5
U1704 L1717
22 NC NC 4
23 NC NC 3 OPEN
OPEN
2
24 NC NC(SW)
25 PGND NC(SW) 1
26 27 28 29 30 31 32 33 34 35 36 37 38
R1731 OPEN
C1739 R1732
OPEN OPEN
C1740 OPEN
CEC1.3V
19 18 17 16 15 14 13 12 11 10 9 8 7
L1720
BLM21PG221
6
20 PVIN VOUT
21 PVIN VOUT 5
L1721
22 NC U1705 4
NC
BLM21PG221
23 NC EX3AV NC 3
24 NC 2
NC(SW)
25 PGND NC(SW) 1
26 27 28 29 30 31 32 33 34 35 36 37 38
R1737 OPEN
C1750 R1738
C1751
OPEN
OPEN
OPEN
Q1725 2SA201 8
R1742
OPEN
R1744
10K
R1743 R1745 C1763
3.3K
1 6
OPEN
OPEN D1711
2 5
OPEN
3 4
C1761
U1706
OPEN
Q1724 OPEN
47k/47k C1760 U1707
D1712
0. 1 NCP380HMUAJAATBG
RB060M-30
IN OUT
6 1
I LIM
GND
5 2
EN FLAG#
4 3
7
MHL3.3V
19 18 17 16 15 14 13 12 11 10 9 8 7
L1724
BLM21PG221
20 PVIN VOUT 6
21 PVIN VOUT 5
U1708 L1725
22 NC NC 4
23 NC NC 3 BLM21PG221
EX3AV
2
24 NC NC(SW)
25 PGND NC(SW) 1
26 27 28 29 30 31 32 33 34 35 36 37 38
R1751 OPEN
C1768 R1752
OPEN OPEN
C1769 OPEN
SCHEMATIC DIAGRAMS (32/36)
TO 8U-310116(5/14)

DIGITAL UNIT (10/14)

TO HDMI SW
FILE NAME:
8
8U-310116(10/14)
DIGITAL_UNIT
A
0
R1756
B
C
MHL3.3V
N1701 N1701
7P-PH
1 VBUS
2 VBUS
3 DGND
4 DGND
5 MHL3.3V
6
MHL1.2V
7 MHL8V
To_8U-310115-3_(N802 )
FRONT_USB/HDMI_UNIT
D
U1709
PQ012ENB1ZPH
OUT 3
1
IN
NC 4
VC GND
2 5
E
HDMI CONNECT
F