Hdmi Unit (2/13) - Denon AVR-1912E3 Service Manual

A B C
1
R76 R77
1K 10K
HPD/HEAC-
+5V
GND
Q3
DDCDATA RT1N141C
DDCCLK
NC
2
CE_REMOTE
CK-
CK SHIELD
CK+
D0-
D0 SHIELD
D0+
D1-
D1 SHIELD
D1+
D2-
D2 SHIELD
D2+
3
HDMI 19P
JACK1
R80 R81
1K 10K
HPD/HEAC-
+5V
4
GND
Q5
DDCDATA RT1N141C
DDCCLK
NC
CE_REMOTE
CK-
CK SHIELD
CK+
D0-
D0 SHIELD
D0+
D1-
D1 SHIELD
5
D1+
D2-
D2 SHIELD
D2+
HDMI 19P
JACK2
6
R97 R98
1K 10K
HPD/HEAC-
+5V
GND
Q8
DDCDATA RT1N141C
DDCCLK
NC
CE_REMOTE
CK-
CK SHIELD
CK+
D0-
7
D0 SHIELD
D0+
D1-
D1 SHIELD
D1+
D2-
D2 SHIELD
D2+
HDMI 19P
JACK3
8
R107 R108
1K 10K
HPD/HEAC-
+5V
GND
DDCDATA Q10
RT1N141C
DDCCLK
NC
CE_REMOTE
9
CK-
CK SHIELD
CK+
D0-
D0 SHIELD
D0+
D1-
D1 SHIELD
D1+
D2-
D2 SHIELD
D2+
10
HDMI 19P
JACK4
GND POWER +
A B C
D E F
CEC_COM
R78 R79
47K OPEN
Q4
RT1N441C
R82 R83
47K OPEN
Q6
RT1N441C
DDCB_SCL
DDCB_SDA
R99 R100
47K OPEN
Q9
RT1N441C
R110
R109
47K OPEN
Q11
RT1N441C
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8 Q12 Q13
RT1N441C RT1N441C
POWER - STBY POWER
D E F
G H I
R84 4K7
4K7
R85
2K2 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
R87
10K
R88
2K2 61
R90
R91 10K
62
R94 10K
63
D3
61:EDID_SCL 40:I2C_SDA
AMUXVCC INDCLK-
64
OPEN 62:EDID_SDA 39:I2C_ADDR1
R95
RB521S-30 65 CEC_OUT RESETB
63:EDID_ENABLE 38:INDCLK+
OPEN
R96
66 CEC_IN OUTCLK-
67 DDC_SCL_COM OUTCLK+
68 DDC_SDA_COM AVCC
69 DDC_SCL_D OUTDATA0-
U1
DDC_SDA_D ADV3002BSTZ OUTDATA0+
70
71 DDC_SCL_C AVEE
72 DDC_SDA_C OUTDATA1-
73 DDC_SCL_B OUTDATA1+
74 DDC_SDA_B I2C_SCL
75 DDC_SCL_A OUTDATA2-
78:P5V_C 23:INADATA2+
DDC_SDA_A 79:P5V_B 22:INADATA2- OUTDATA2+
76
80:P5V_A 21:AVEE
77 P5V_D TX_EN
78
79
80
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
HDMI/TMDS SIGNAL LINE
G H I
118
J K L
C992
OPEN
R89
40 HSDA
R92
33
39
4K7 R93
38
4K7
37
36
35 RXB_C-
34 RXB_C+
C287 100N-K
33
32 RXB_0- ADV3002_RST
31 RXB_0+
Q7
30 RT1N441C
C993 OPEN
29 RXB_1-
28 RXB_1+
R101 33
27 HSCL
26 RXB_2-
25 RXB_2+
R102 4K7
24
23
22
21
R111 OPEN
SCHEMATIC DIAGRAMS (13/26)
J
K L
M N O
ADV3002
CEC5V
DGND
DGND1
CEC3.3V
DGND
HIN_SELA
HIN_SELB
FROM CPU
HSCL
HSDA
ADV3002_RST
HPD5V
RESETB
CEC3.3V
CEC5V
DGND
CEC_COM
HDMI_B_5V
HP_CTRLB
DDCB_SDA
DDCB_SCL
RXB_C- TO ADV7623
RXB_C+
RXB_0-
RXB_0+
RXB_1-
RXB_1+
RXB_2-
RXB_2+

HDMI UNIT (2/13)

M N O
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