Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual ▷ View online
STR-KM7500
49
1
A0
16Kbit EEPROM ARRAY
Address
Decode
Slave, Word
Address Register
Control Logic
High Voltage Gen
Vcc Level Detect
ACK
STOP
START
11 bit
8 bit
11 bit
Data
Register
2
A1
3
A2
4
GND
8 Vcc
7 WP
6 SCL
5 SDA
IC2014 IC BR24S16FJ-WE2 (DIGITAL BOARD)
RXOUT2 48
GPI03 47
GPI02 46
GPI01 45
GPI00 44
DVDD 43
DGN0 42
XMODE 41
CL 40
CE 39
DI 38
DO 37
RERR
36
INT
35
CKST
34
AUDIO
33
MOUT
32
DGND
31
DVDD
30
XIN
29
XOUT
28
XMCK
27
DVDD
26
DGND
25
SDIN
24
SLRCK
23
SBCK
22
RDATA
21
RLRCK
20
DVDD
19
DGND
18
RBCK
17
RMCK
16
AGND
15
AVDD
14
LPF
13
DGND
12
DVDD
11
RX6
10
RX5
9
RX4
8
DVDD
7
DGND
6
RX3
5
RX2
4
RX1
3
RX0
2
RXOUT
Input
Selector
PLL
Fs
Calculator
Clock
Selector
Data
Selector
Clock
Divider
Oscillation
Amplifier
Demo Lock Detector
Microcontroller I/F
1
IC2015 IC LC89058W-E (DIGITAL BOARD)
STR-KM7500
50
IC2019 PCM1808PWR (DIGITAL BOARD)
Reference
Delta Sigma
Modulator
x 1/64
Decimation
Filter
with
High Pass Filter
Power
Supply
Supply
Clock
and
and
Control
Timing
Antialias
LPF
Delta Sigma
Modulator
Serial
Interface
Mode/
Format
Control
Antialias
LPF
BCK
VINL
VREF
VINR
AGND
VCC
1
VDD
DGND
LRCK
DOUT
SCKI
FMT
MD1
MD0
2
3
4
5
6
7
8
9
9
10
13
14
11
12
12
SELECT 11
1
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC2023 IC TC74VHC157FT (EL) (DIGITAL BOARD)
IC2020 WM8768GEDS/R (DIGITAL BOARD)
1
MODE
18 VMID
17 VREFP
16 VREFN
17 VREFP
16 VREFN
20 NC
19 NC
19 NC
22 VOUT1R
21 VOUT1L
21 VOUT1L
24 VOUT2R
23 VOUT2L
23 VOUT2L
26 VOUT3R
25 VOUT3L
25 VOUT3L
28 AVDD
27 AGND
27 AGND
15 TESTREF
2
MCLK
3
BCLK
5
DVDD
6
DGND
4
LRCLK
11
ML/I2S
12
MC/IWL
13
MD/DM
14
MUTE
7
DIN1
8
DIN2
9
DIN3
10
DNC
AUDIO
INTERFACE,
DIGITAL
FILTERS
CONTROL
INTERFACE
STEREO
DAC
STEREO
DAC
STEREO
DAC
LOW
PASS
FILTER
LOW
PASS
FILTER
LOW
PASS
FILTER
STR-KM7500
51
IC220 NJM2586AM (VIDEO BOARD)
CONT2
CONT2
CONT1
CONT1
CONT1
1
CH1 IN1
2
SW1
4
SW2
24 CH1 OUT
23 PS
BIAS
3
CH1 IN2
BIAS
5
CH1 IN3
6
GND
7
V+1
BIAS
11
GND
12
CH2 IN3
BIAS
8
CH2 IN1
9
GND
BIAS
10
CH2 IN2
BIAS
75
DRIVER
6dB
AMP
22 CH2 OUT
75
DRIVER
6dB
AMP
21 V+2
20 CH3 OUT
19 GND
18 V–2
16 V–1
17 CH3 IN1
75
DRIVER
6dB
AMP
BIAS
15 CH3 IN2
BIAS
13 CH3 IN3
14 GND
BIAS
CONT2
IC210 NJM2595M-TE2 (VIDEO BOARD)
15 VOUT2
16 V+
14 SW1
75
DRIVER
6dB
AMP
75
DRIVER
6dB
AMP
11 VOUT3
75
DRIVER
6dB
AMP
13 VIN1
12 GND
10 SW2
9 VIN2
3
VIN5
4
SW3
5
VIN4
6
SW4
7
VIN3
2
SW5
1
VOUT1
8
V–
1
A
B
A OUTPUT
A-INPUT
A+INPUT
V-
V+
B OUTPUT
B -INPUT
B +INPUT
2
3
4
5
6
7
8
IC180, IC181
IC NJM4565M-D (VIDEO 2 BOARD)
IC800
IC NJM4565M-D (CONNECTION BOARD)
IC NJM4565M-D (VIDEO 2 BOARD)
IC800
IC NJM4565M-D (CONNECTION BOARD)
STR-KM7500
52
IC980 SI-8050S-LF1101 (STANDBY DCDC BOARD)
IC990 SI-8033S (STANDBY DCDC BOARD)
IC990 SI-8033S (STANDBY DCDC BOARD)
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
S.S
1
2
3
4
5
6
7
10
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
11 12
8
9
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
HPD_C
VCC
VCC
VCC
GND
BDT2P
BDT2N
BDT1P
BDT1N
GND
GND
GND
BDT0N
BCLKP
BCLKN
SCL_B
SCA_B
HPD_B
CVCC
CEC_LINE
GND
GND
ADT2P
ADT1P
ADT0P
ADT0N
VCC
ACLKP
ACLKN
GND
VCC
OUTDIS
CEC_RX
SCL_A
SDA_A
HPD_A
ADT1N
ADT2N
VCC
HPD_SINK
DDC/HPD CONTROL
T
T
T
T
T
T
T
T
T
T
T
T
T
HPD OUT
DCC
I/O
DDC
I/O
DDC I/O
DDC I/O
HPD OUT
DDC
I/O
DDC
I/O
HPD
OUT
DDC I/O
HPD IN
DDC I/O
CEC I/O
T
T
T
MAIN FUNCTION CONTROL
BIAS
GENERATOR
EQUALIZER/
OUTPUT PIN ORDER CONTROL
SDA_SINK
SCL_SINK
GND
GND
GND
GND
GND
VCC
YDT0N
YDT0P
GND
YDT1N
YDT1P
VCC
YDT2N
YDT2P
GND
SELA
SELB
SELC
CEC_TX
OP
ACTRLN
REXT
VCC
VCC
GND
GND
CDT0P
CDT0N
VCC
CCLKP
CCLKN
SCL_C
SDA_C
RXTM
GND
CDT2P
CDT2N
CDT1P
CDT1N
YCLKN
YCLKP
BDT0P
IC3503 IC CXB1444R-T6 (HDMI BOARD)
IC3521, IC3504
SN74LV4052APWR (HDMI BOARD)
SN74LV4052APWR (HDMI BOARD)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
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