Read Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual online
13
13
STR-KM7500
STR-KM7500
5-3. BLOCK DIAGRAM — HDMI SECTION —
A34
B34
A33
B33
A32
B32
A31
B31
HPD3
A24
B24
A23
B23
A22
B22
Z1
A21
B21
HPD2
A14
B14
A13
B13
A12
B12
A11
B11
HPD1
3
DATA2-
4
DATA1+
6
DATA1-
1
DATA2+
9
DATA0-
10
CLOCK+
12
CLOCK-
19
HOT PLUG DET
13
CEC
7
DATA0+
CN3501
3
DATA2-
4
DATA1+
6
DATA1-
1
DATA2+
9
DATA0-
10
CLOCK+
12
CLOCK-
19
HOT PLUG DET
13
CEC
7
DATA0+
CN3502
3
DATA2-
4
DATA1+
6
DATA1-
1
DATA2+
9
DATA0-
10
CLOCK+
12
CLOCK-
19
HOT PLUG DET
13
CEC
7
DATA0+
CN3503
3
232C_OU(VU_TX)
2
RESET
1
CNVSS
5
232C_IN(VU_RX)
CN3510
SWITCHER
IC3503
EEPROM DATA SELECT
IC3521
EEPROM
IC3509
IC3516
POWER CONTROL
IC3533
HPD DETECTION
IC3532
AUDIO BUFFER
HDMI CONTROL
IC3519
HDMI RX
IC3511
HDMI TX
IC3513
58
57
55
54
52
51
49
48
44
77
1Y1
A
WP
14
10
7
34
35
2-COM
SDA
3
7
1-COM
SCL
13
1Y0 12
2Y0 1
SCL_SINK 38
SDA_SINK 39
7
2Y1
5
35
Y1 34
Z2 32
Y2 31
Z3 29
Y3 28
Z4 26
Y4
RXC-
RXC+
RX0-
RX0+
RX1-
RX1+
RX2-
RX2+
25
S3
TMDS_S3
TMDS_S2
TMDS_S1
23
S2 22
S1 21
53
RX_INT
INT
20
91
92-96,99-105,
108-1
11,1
14-1
17,121-124
49-58,61-65,
67-70,75-79
VSYNC
VSYNC
1
2
TX2+
CSDA
CSDA
28
39
CSCL
CSCL
INT
27
TX_INT 43
TX_RST 42
40
CSCL
CSDA
43
17
RESET
42
44
SCK
WS
12 11
SD0
SD1
10
9
SD2
SD3
8
7
MCLK
SPDIF
A7
A6
A2
A3
A4
A5
A8
A1
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
6
5
SCK
WS
76 75
SD0
SD1
74 73
SD2
SD3
72 71
MCLK
SPDIF
79 70
8
7
3
4
5
6
9
2
18 17 16 15 14 13 12 11
RX_RST
RESET
19
89
MUTE
MUTE
65
61
HPD_SINK
RX_HPD1
40
21
xOE
TMDS_OEB
42
54
232CIN
30
232COUT
29
RESET
10
CNVSS
XOUT
XIN
CONT
RX
33
TX
41
1
TX_5VPWR
56
PV5_SELB
PV5_SELA
55
EEPROMSEL1
7
11
13
52
51
76
74
73
71
70
68
67
62
15
14
12
11
9
8
6
5
80
50
51
54
55
58
59
62
63
HSYNC
HSYNC
1
128
36
TX2- 35
TX1+ 33
TX1- 32
TXO+ 30
TXO- 29
TXC+ 27
TXC- 26
HPD 33
DSDA 19
DSCL 20
1B
1Y
2
+4V REG
IC3528
CTL 1
VCC 2
+4V REG
IC3526
CTL 1
VCC 2
7
DE
DE
80
127
QE1-QE23
D1- D23
13
12
11
15
MCK
BCK
LRCK
SD3
SD2
SD1
SD0
SPDIF
9
8
7
MUTE
6
MAINCPU_UA RT_TX
4
MAINCPU_UA RT_RX
3
REG_CTL
3
H_RESET
2
CEC
1
10
CN3511
1,2
+4V
CN3509
3
4
6
1
DATA2+
DATA2-
DATA1+
DATA1-
DATA0+
DATA0-
CLOCK+
CLOCK-
9
10
12
HOT PLUG DET
19
CEC
13
7
CN3504
X3502
10MHz
XTALOUT
XTALIN
84
85
X3501
28.322MHz
Q3504
DATA
BUFFER
FLASH
PROGRAMMING
SAT IN
VIN
IC3501
POWER
CONTROL
IC3504
POWER
DETECT
DETECT
5
3
2Y2
2
6
2Y3
4
8
2Y1
5
10
9
STANDBY DCDC
SECTION
(Page 14)
K
DIGITAL
SECTION
(1/2)
(Page 15)
B
DVD IN
BD IN
OUT
Ver. 1.4
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