Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual ▷ View 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
14
14
STR-KM7500
STR-KM7500
5-4. BLOCK DIAGRAM — STANDBY DCDC SECTION —
3
(MAIN)
5
2
POWER TRANSFORMER
5
3
4
4
2
T901
Z
Y
MAIN
SECTION
(Page 18)
MAIN
SECTION
(Page 18)
1
3
4
5
6
7
8
9
2
RY920
Q923
RELAY DRIVE
F910
S910
F911
F820
LIVE
1
NEUTRAL
3
CNP922
AC IN
EA
JW924
JW925
AUS, SAF
VOLTAGE
SELECTOR
F901
F902
D903
1
-R3(-15V)
+R3(+15V)
5
CN905
VIDEO SECTION
(2/2)
(Page 12)
O
IC980
1
2
+6.3V
+5V
IC990
1
2
+4V
IC992
+7V REG
IC910
+7V REG
+6.3V REG
+4V REG
IC991
+5V REG
J920
OUT
SYSTEM CONTROL
DC5V 50mA MAX
DC5V 50mA MAX
ONLY FOR TA-KMSW500
J921
OUT
Q920
AC IN DETECT
SUB-T(CEC)
STOP (AC-OFF-DET)
POWER RY
5
7
6
SW-PROTECTOR
4
CN970
DIGITAL SECTION
(2/2)
(Page 16)
HDMI SECTION
(Page 13)
K
Q921-Q922
SUB-T CONTROL
IC911
+6V REG
+5V
T921 : EA
T924 : SAF, AUS
POWER TRANSFORMER
(SUB)
Ver. 1.4
15
15
STR-KM7500
STR-KM7500
5-5. BLOCK DIAGRAM — DIGITAL (1/2) SECTION —
6LJQDOSDWK
: TUNER
: AUDIO (DIGITAL)
: AUDIO
RFK LV RPLWWHG GXH WR VDPH DV LFK
ERROR
DATA2
DATA3
DATA4
DATA2
DATA3
DATA4
DATA2
DATA3
DATA4
MCK
BCK
LRCK
DATA1
HDMI ERR
30
DIR ERROR
49
DSP SEL
17
MOSI 127
MISO 126
SPICLK 125
SPIDS 122
RESET 121
FLAGO 15
Y
A
B
5
A/B
1
6
1
2
FLAG1
16
B2
10
B3
13
B1
B0
3
A2
11
S
X2002
+3.3V
+5V
+1.2V
25MHz
CLKIN
XTAL 143
DAI_P18SPLRCK
DAI_P12DPSIB
DAI_P19DPBCK
Y0 4
Y3
12
Y1
A0
2
A1
5
A3
14
BCK 8
LRCK
7
DOUT
VINL
VINR
9
14
13
Q
5
DAI_P20SPFSCL
94
CK
9
Y2
1
142
8
SPDIF
CN2202
IC2012
2-CH MUX
IC2006(2/2)
DSP EX3
IC2007
(1/2)
SYSTEM CONTROL
SELECTOR
IC2023
ADC
IC2019
EEPROM
IC2014
IC2010
SWITCH
IC2011
CLOCK GENERATOR
IC2006
(1/2)
DSP EX3
8CH DAC
IC2020
+1.2V REG
IC2001
+3.3V REG
IC2022
6
H_RESET
H_UART_RX
H_UART_TX
REG_CTL
91
89
HDMI REG CTRL
HDMI_UART_TX
HDMI_UART_RX
HDMI_RESET
HDMI_RESET
HDMI REG CTRL
HDMI REG CTRL
HDMI_UART_TX
HDMI_UART_TX
HDMI_UART_RX
HDMI_UART_RX
HDMI_RESET
HDMI_RESET
50 HDMI_FSRATE
16
CEC IN
88
CEC OUT
28
CEC
CN2000
90
DAC SW
DAC C
DAC SL
DAC SBL
ADC LIN
15
7
79
89
88
Q2001
- Q2003
Q2000
Q2001 - Q2003
CEC BUFFER
Q2000
CEC_OUT
SWITCH
1
8
CKA
Q4B
DAC MUTE
DIR_DATAO
14
MUTE
3
4
86 DALP16 DPDVLRCK
87 DALP17 DPDVBCK
DPSOB DAI_P7
65
7
10
DPSOD DAI_P9
71
DPSOC DAI_P8
8
70
DPSOA DAI_P6
DAI P11
DPSIA
DPSIA
9
64
BCK
LRCK
2 MCK
25
23
VO3L
DIN 1
DIN 4
DIN 3
DIN 2
DIN 2
31
63
52
55
78
FLASH1 103
FLASH2
MD2
INT
62
RESET_TRG
83
STOP
102
EEPROM CLK
SCL
SDA
EEPROM DATA
DAC LAT
11
M/LAT
32
COM CLK
13
MD/DATA
1
COM DATA
12
MC/CLK
2
14
22 VO2L
VO2L
12
21 VO1L
10
20
19
VO4L
_NC
_NC
7
CN2200
TUNING B/NIGHT MODE
TUNING A/MULTI ST
CN2203
3
RESET
FLASH1
FLASH2
MD2
8
6
5
CN2100
4
SW PREOUT RY
SW PREOUT RY
C/SW/SUR RY
C/SW/SUR RY
HP RY
HP DETECT
1
2
3
BRIDGEABLE RY
BRIDGEABLE RY
SBL/SBR/Bi-Amp RY
SBL/SBR/Bi-Amp RY
FRONT A RY
FRONT A RY
5
6
7
6
78
HP DETECT 5
6
HP RY 4
71
70
69
72
98
5
IC2013
+5V REG
+5V
+3.3V (STBY)
IC2002
IC2003
RESET
RESET
IC2004
AC OFF DET
B
1
A
B
2
VDD
2
OUT
1
1
A
2
X
4
80
VOL_JOG_A
VOL-JOG(2A)
VOL_JOG_B
79
VOL-JOG(2B)
104
INPUT_JOG_A
IN ENCODER A
IN ENCODER B
INPUT_JOG_B
97
FL LAT
FL_RESET
7
FL LAT
FL DIN
9
FL DATA
FL_CLK
8
FL CLK
11
TUNING B/
NIGHT MODE
NIGHT MODE
10
TUNING A/
MULTI ST
MULTI ST
PW_SW
85
POWER_KEY
DCAC
DCAC_IN 115
AD2
AD_KEY2 114
AD1
AD_KEY1 113
3
FLASH
PROGRAMMING
CONNECTION
SECTION
(Page 17)
G
HDMI
SECTION
(Page 13)
B
MAIN SECTION
(Page 18)
N
DISPLAY SECTION
(Page 11)
A
FL
16
DSP INT
81
DSP RESET
64
DSP SPDIDS
65
DSP SPICLK
75
DSP MISO
73
DSP MOSI
74
DAI_P13DPSIC
80
DAI_P14DPSID
81
DAI_P15DPSIE
82
FL RESET
DIGITAL SECTION
(2/2)
(Page 16)
T
DIGITAL SECTION
(2/2)
(Page 16)
P
5
DMPORT_L+
3
DMPORT_L-
SIRCS
84
SIRCS_IN
(R-CH)
CL 40
DI 38
RX4 8
RERR 36
RMCK
RDATA
16
21
21
RLRCK 20
RBCK 17
5
IC2016
WAVE SHAPER
IC2015
DIGITAL AUDIO
I/F RECEIVER
J2000
6
2
SAT
IN
(OPTICAL)
4
IC2018
OPTICAL RECIEVER
OPTICAL RECIEVER
DVD
IN
(OPTICAL)
2
IC2017
TV
IN
(OPTICAL)
XIN
XOUT
29
28
X2001
12.288MHz
Ver. 1.4
16
16
STR-KM7500
STR-KM7500
5-6. BLOCK DIAGRAM — DIGITAL (2/2) SECTION —
6LJQDOSDWK
: TUNER
: AUDIO
5FKLVRPLWWHGGXHWRVDPHDV/FK
IC2000
IC2009
J2001
17
5,6
7
2
CN2102
+6.5V
DMPORT VIDEO
+4V
POWER RY
SUB-T (CEC)
4
5
7
1
14
CLINK_RX
CLINK_TX
CLINK_TX
CLINK DET
POWER RY
101
99,
100
46
SW PROTECT
8
X1A 61
118
THERMAL 2
THERMAL 1
SUB TRANS 37
TUNER DO
TUNER CLK
TUNER DI
TUNER LAT
SD SIGNAL
12
33
13
14
15
IC2007
(2/2)
DMPORT
DC 5V
0.7A MAX
+5V
+3.3V
120
VACS_CTRL 119
PS(V MUTE) 27
COMP S2 26
COMP S1 25
V SW1 24
V SW2 23
V SW3 22
CN2001
9
VACS
+7V
10
CONNECTION
SECTION
(Page 17)
H
STANDBY DCDC
SECTION
(Page 14)
K
SYSTEM CONTROL
IC2021
+15V
+9V REG
+5V REG
+3.3V REG
IC2008
2
4
CN2205
1
8
9
7
5
2
6
9
GND
5
VCC +9V
ANTENNA
3
DO/ST/SD
CL
CE
2
1
RCH OUT
SD
AM
6
LCH OUT
8
DI
4
COAXIAL
TN1
7
RCH
DIGITAL SECTION
(1/2)
(Page 15)
T
+5V REG
7
COMPOSITE-SW4
6
COMPOSITE-SW3
5
COMPOSITE-SW2
4
COMPOSITE-SW1
3
COMPONENT_SW1
2
COMPONENT_SW2
V SW4 21
1
PS(V-MUTE)
PROTECTOR 36
18
PROTECT
VOL IC CLK 35
16
EVOL CLK
VOL IC DATA 34
17
EVOL DATA
LIMITER 117
15
LIMITER
X2000
12.5MHz
X1
X0 58
57
THERMAL SENSOR
THERMAL SENSOR
IC251
2
1
+5V
IC250
2
1
DIGITAL SECTION
(1/2)
(Page 15)
P
13
DMPORT_L+
VBUS
11
DMPORT_L-
DET
C_LINK RX/TX
: VIDEO
Ver. 1.4
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