Digital Unit (11/14) - Denon AVR-4520CI Service Manual

1 2
TO N4001
N1803
N1803
To_8U-210119-3(N4001)
11P-SOCKET(C125Z2) CONNECT-1_UNIT
33P-SOCKET(C125Z2)
N1801 N1801
860_V
860_V 1
DGND 2
860_SY
860_SY 3
DGND 4
860_SC
860_SC 5
DGND 6
860SPDIF
860SPDIF 7
DGND 8
860DATAIN
SRCDATA 9
DGND 10
860_256fs
860_256fs 11
860_64fs
860_64fs 12
860_fs
860_fs 13
860_DATA
860_DATA 14
860_MUTE
860_MUTE 15
860_SPICS
860_SPICS 16
F_USB_SEL
F_USB_SEL 17
F_USB_EN
F_USB_EN 18
860_SPIREQ
860_SPIREQ 19
860_POWER
860_POWER 20
860_REST
860_RST 21
860_MI860O
860_TXDMI860O 22
860_MO860I
860_RXDMO860I 23
860_SPIMI860O
860_SPIMI860O 24
860_SPIMO860I
860_SPIMO860I 25
860_SPICLK 860_REST
860_SPICLK 26
V_FANDET
R1801
V_FANDET 27
V_FANCONT_ON V_FANCONT_ON OPEN
V_FANCONT_ON 28
NET3.3V 29
D5V 30
D5V 31
D5V 32
D5V 33
DACGND 1
Z2_LINEL
Z3_LINEL 2
Z2_LINER
Z3_LINER 3
DACGND 4
Z3_LINER
Z2_LINEL 5
Z3_LINEL
Z2_LINER 6
DACGND 7
MB_SW3.3V 8
FRONT_NO_FIL
FRONT_NO_FIL 9
TRIGGER12V 10
TRIGGER_IN1
TRIGGER_IN1 11
HUB_SCL
HUB_SCL 12
HUB_SDA
HUB_SDA 13
HUB_RESET
HUB_RESET
14
MB_POWER
MB_POWER
15
MB_SPIMOMBI
MB_SPIMOMBI
16
MB_SPIMIMBO
MB_SPIMIMBO
17
MB_SPICLK
MB_SPICLK
18
MB_SOIREQ
MB_SPIREQ
19
MB_SPICS
MB_SPICS
20
MB_SPIMIRTS
MB_SPIMIRTS
21
MB_RESET
MB_RESET
22
MB_BDOWN
MB_B_DOWN
23
M3.3V 24
DGND 25
MBfs
MBfs 26
MB64fs
MB64fs 27
MBDATA
MBDATA 28
MBSPDIF
MBSPDIF 29
DGND 30
D5V 31
D5V 32
D5V 33
N1802
N1802
33P-SOCKET(C125Z2)
BJ
TO 8U-310116(1/14) TO 8U-310116(4/14) TO 8U-310116(2/14)
GJ
TO_DIR/ADC TO MAIN DAC1 TO AUDIO PLD
/ZONEDAC
TO BI
TO GI
GND POWER + POWER -
3
TO N4002
N1804
N1804
To_8U-210119-3(N4002)
33P-SOCKET(C125Z2)
CONNECT-1_UNIT
R1805 1M
C1806 0.1
R1806 1M
C1807 0.1
R1807 1M
C1808 0.1
R1808 1M
C1809 0.1
R1809 1M
C1810 0.1
C1801
OPEN R1810 1M
C1811 0.1
R1811 1M
C1812 0.1
C1802
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 R1812
OPEN 4.7K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SRCMUTE
SRCDATA
C1803 OPEN SRC64fs
SRCfs
R1802 C1804
Q1801
OPEN OPEN
OPEN.
BL
TO BK
STBY POWER
4 5
TO N4003 TO N4004
N1805 N1806
N1805 N1806
To_8U-210119-3(N4003)
33P-SOCKET(C125Z2) CONNECT-1_UNIT 33P-SOCKET(C125Z2)
DM
TO 8U-310116(13/14)
TO DN
AUDIO SIGNAL LINE VIDEO SIGNAL LINE
178
6 7
L1801 BLM21PG221
L1802 BLM21PG221
MAINPOWER_MO
L1803 BLM21PG221
D5.2V
L1804 BLM21PG221
D5.2V
L1805 BLM21PG221
DGND
DGND
To_8U-210119-4(N4004)
CONNECT-2_UNIT
N1807
N1807
11P-FFC
1 TRIG12V
2 TRIG1
3 TRIG2
4 DGND
5 MBSW3.3V
6 B/P_IRIN
7 DGND
8 2 32C_Rx
9 2 32C_Tx
10 DGND
11 REMOTE3.3V
To_8U-110129-6(N3903)
232C_UNIT
8U-310116(11/14)
DIGITAL_UNIT
DIGITAL CONNECT
DT
TO 8U-310116(12/14)
TO DS
SCHEMATIC DIAGRAMS (33/36)

DIGITAL UNIT (11/14)

COMPONENT (Y) SIGNAL LINE
8
A
N1808
N1808
5P-EHs
1
2
To_8U-110129-1(N6502 )
3
SPK/SMPS_UNIT(1/2)
4
5
Z1801
STYLE-PIN
D5V
SCPU3.3V
SCPU5V
DGND
M3.3V
SWM3.3V
B
TO GQ
DECIN_V
DECIN_V
DECIN_Y
DECIN_Y
DECIN_CB
DECIN_CB
DECIN_CR
DECIN_CR
860_S C
860_SC
860_S Y
860_SY
GR
ENCOUT_V
TO DP
ENCOUT_V
ENCOUT_Y
ENCOUT_Y
ENCOUT_CB
ENCOUT_CB
ENCOUT_CR
ENCOUT_CR
DO
TO DR
AVSCL
AVSCL
AVSDA
AVSDA
DQ
CEC1.8V
C
C1 1000 P
C2 1000 P
DGND
CEC3.3V
C3 1000 P
C4 1000 P
DGND
DV1.8V
C5 1000 P
C6 1000 P
DV5V
DGND
C7
1000 P
C8
1000 P
DGND
M3.3V
C9 1000 P
C10 1000 P
DGND
D5V
D
C11 1000 P
C12 1000 P
C13 1000 P
C14 1000 P
C15 1000 P
C16 1000 P
C17 1000 P
C18 1000 P
C19 1000 P
C20 1000 P
DGND
E
F