Sch29_Front Hdmi_Usb - Marantz AV8802/U1B Service Manual

1 2 3
A
B
R5501 R5502 R5503
K5501 1K 10K 47K
A0D7ABAR19N0
Q5501
HPD/HEAC-
19
KRC102S
Q5502
+5V
18
KRC104S
GND
17
DDCDATA
16
DDCCLK
15
UTILITY/HEAC+
14
CE_Remote
13
CK-
12
C
CKshield
11
CK+
10
D0-
9
DOshield
8
D0+
7
D1-
6
D1shield
5
D1+
4
D2-
3
D2shield
2
D2+
1
D
HDMI BRACKET
OPEN
E
F
G
FRONT_HDMI/USB_UNI T
H
N5559
USB_CONNECTOR
VBUS2
1
FRONT
-DATA2
2
+DATA2
U S B 3
4
J
K
L
M
GND LINE POWER+ LINE POWER- LINE AUDIO SIGNAL
1 2 3
4 5 6 7
R5504
OPEN
HPDF
CEC
40 39 38 37 36 35 34 33 32 31
C5505
IN0 AVCC
0. 1
I P 0 U5501 PE_EN
IN1 TX_EN
I P 1 AVEE
C5501 0.1
VTT1 AVCC
IN2 AVCC
I P 2 AVEE
IN3 AVCC
I P 3 AD8195ACPZ AVCC
C5502 0.1 C5506
AVCC COM P
10/6.3
1112 131415 16 17 18 19 20
8 U - 2 1 0 2 0 2 - 4
L5560 BLM21PG221
L5559
DLW21SN181SQ2L
TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
4 5 6 7
8 9 10 11
N5501
N5501
25P-FFC
CEC
CEC
1
DDC_SDA
2 DDC_SDA
DDC_SCL
3 DDC_SCL
TXEN. TXEN.
TXEN
4
HPDF
5 HPDF
RX_5V
6
CEC5V
CEC5V
7
CEC3.3V
8 CEC3.3V
CEC3.3V
CEC3.3V
9
DGND
10
11 DGND
RX_C-
RX_C-
12
RX_C+
13 RX_C+
DGN D
DGND
14
RX_0-
RX_0-
15
RX_0+
16 RX_0+
DGND
DGND
17
RX_1-
RX_1-
18
RX_1+
19 RX_1+
DGND
DGND
20
RX_2-
21 RX_2-
RX_2+
22 RX_2+
DGND
23
24
25
TO N3403
R5516
0x2
RX_2+
3 4
RX_2-
1 2
R5517
0x2 RX_1+
3 4
RX_1-
1 2
R5518
0x2 RX_0+
3 4
RX_0-
1 2
R5519
0x2 RX_C+
3 4
RX_C-
1 2
N5560
CX870:To 8U-310201-1(N903)
CX870 CONNECT UNI T
N5560
CY920:To 8U-310150_(N603)
5P-PH
D I G I T A L U N I T ( 1 8 / 1 8 )
SHIELD
5
4 DGND
3 -Data
TO N603
2 +Data
1 VBUS
4
3
2
1
N5561
OPEN
8 9 10 11
171
12 13 14 15
FRONT HDMI/USB
The circuit diagram is common to OLD and NEW
SCHEMATIC DIAGRAMS (29/38)

SCH29_FRONT HDMI_USB

12 13 14 15
16
A
B
C
D
E
F
G
H
J
K
L
M
16