Sony HT-DDW5500 / STR-KM5500 Service Manual ▷ View online
STR-KM5500
17
SECTION 6
DIAGRAMS
• Circuit Boards Location
VIDEO 2 DCAC board
POWER KEY board
HP SUPPORT board
HEADPHONE board
DISPLAY board
DIGITAL AB board
MAIN board
HDMI SW board
VIDEO STANDBY SUPPLY board
CONNECTION board
AC SELECT board
(Chilean and Peruvian,
Saudi Arabia model only)
(Chilean and Peruvian,
Saudi Arabia model only)
TEMP-SENSOR Board
STR-KM5500
STR-KM5500
18
18
6-1. BLOCK DIAGRAM – TUNER/AUDIO Section –
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-IN
L-IN
SW
SEL
C
SEL
SL
SEL
R-CH
R-CH
R-CH
DIR
FUNCTION SELECT
IC400
VCC
VEE
+7V
SEL
SW
MCU
I/F
-7V
SW OUT
C OUT
SL OUT
FL OUT
78
92
89
SYSTEM
CONTROL
IC1101 (1/6)
SLATCH
91 TUNER_DATA
90 TUNER_CLK
VOL_IC_DATA
VOL_IC_CLK
TUNER_SD
DO/SD/ST
24
DMPORT AMP
IC501
25
DMPORT_DET 26
63
64
64
12
8
10
11
11
75
14
13
18
17
SW-CH
16
71
70
68
69
SR OUT
FR OUT
72
72
56
55
44
43
48
47
35
34
55
44
43
48
47
35
34
52
51
51
15
SB
SEL
SB OUT
SB-CH
66
20
20
76
25
26
29
30
L
SEL
DMPORT_TX
DMPORT_RX
DMPORT_TX
DET
L+
L–
DBUS+5V
3
2
1
R+
R–
5
6
7
+5.8V
4
2
59
60
60
+5V REG
IC1906
VIDEO+5V
R-CH
38
20
L-CH
39
1
2
2
3
7
MIC AMP
IC181
J181
6
5
AM
TN1
FM/AM TUNER UNIT
L-CH
SD
CE
DO
DI
CL
TU+9V
FM 75Ω
COAXIAL
ANTENNA
R-CH
AUDIO IN
L
R
VIDEO
TV
SA-CD/CD/CD-R
L
R
J404 (1/2)
J403
J401 (1/2)
-3
-4
-5
-6
-1
-2
-3
-4
-3
-4
IN
IN
L
R
AUDIO
AUDIO
DVD
SAT
L
R
IN
IN
L
R
J1302
DC5V
0.7A MAX
DMPORT
5
6
7
13
11
2
14
12
4
AUDIO OUT
L
R
J404 (2/2)
VIDEO
-1
-2
AUDIO OUT
L
R
J401 (2/2)
SA-CD/CD/CD-R
-1
-2
R
L
V
Video
• Signal path
: AUDIO (ANALOG)
: TUNER
• R-ch is omitted due to
: AUDIO (ANALOG)
: TUNER
• R-ch is omitted due to
same as L-ch.
DISPLAY
SECTION
(Page 22)
(Page 22)
DIGITAL AB
SECTION
(Page 19)
(Page 19)
DIGITAL AB
SECTION
(Page 19)
(Page 19)
POWER
SECTION
(Page 23)
(Page 23)
%
#
"
$
STR-KM5500
STR-KM5500
19
19
6-2. BLOCK DIAGRAM – DIGITAL AB Section –
DSPIB
DPSOA_DAI_P6
DPSOC_DAI_P8
DPSOB_DAI_P7
DOUT
9
79
DSPIA
78
NONAUDIO
AUDIO 33
XMCK
27
RMCK
16
97
DPFSCK
94
BCK IN
RBCK 17
89
LRCK IN
RLRCK 20
88
RDATA
64
70
65
70
65
DPSOB_DAI_P9 71
X1301
12.288MHz
CLKIN 142
XTAL 143
BCK OUT 87
LRCK OUT 86
99
20 18
8
19
FLAG1
RERR
28
29
SCKI
6
BCK
8
LRCK
7
95
96
97
98
40
39
38
37
34
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION
LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
36
16
21
1
OUT
OPTICAL
RECEIVER
IC1352
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1201
2
3
WAVE
SHAPER
IC1905
1
3
+3.3V
REG
IC1002
1
3
+1.2V
REG
SWITCH
IC1014
5
1
+1.2V
VDDI
+3.3V
VDDE
+3.3V
DIR
Temp Sensor 1
VDD
L-IN
+3.3V
+1.2V
+5.8V
IC2210
5
4
+5V
REG
+5V
+7V
DIGITAL
DECIM.
FILTER
ADC
IC1401
DSP EX3
IC1501
ERROR
1
DA
TA0
DSP
SPIDS
DSP
SPICLK
DSP
INT
MISO
MOSI
CLK
CE
DI
DO
CL
CE
DI
DO
CKST
93
41
XMODE
94
CKSEL1
XMODE
5
8
2
TEMP
SENSOR
IC4903
46
Temp Sensor 2
2
TEMP
SENSOR
IC4902
44
XOUT
RX3
RX4
1
OUT
OPTICAL
RECEIVER
IC1351
10
RX6
XIN
D1101
SYSTEM
CONTROL
IC1101 (2/6)
ΔΣ
MOD.
XRST
11
14
12
15
MUTE
57
DCAC_INT
MDI
MC
ML
MUTE
ML
12
13
MC
13
14
MD
DIN3
FL OUT
R-CH
VO3L
VO3R
VO1L
VO1R
VO2L
VO2R
9
26
25
8
7
2 MCK
3 BCK
3 BCK
LRCK
4
6CH DAC
IC1452
DAC
DIN2
SL OUT
R-CH
22
21
DAC
DIN1
10
DNC
C OUT
23
SW OUT
24
DAC
VO4L
SB OUT
19
DAC
13
VINL
R-IN
14
VINR
CK
Q
DAC
125 126
121
127 15
122
SPIDS
RESET
SPICLK
FLAG0
MISO
MOSI
47
21
D1501
D1503
D1504
D1502
DVD
IN
DIGITAL
(COAXIAL)
BD IN
(OPTICAL)
J1301
SAT
IN
(OPTICAL)
X1302
25MHz
• Signal path
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
• R-ch is omitted due to
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
• R-ch is omitted due to
same as L-ch.
TUNER/
AUDIO
SECTION
(Page 18)
(Page 18)
TUNER/
AUDIO
SECTION
(Page 18)
(Page 18)
"
#
STR-KM5500
STR-KM5500
20
20
6-3. BLOCK DIAGRAM – VIDEO Section –
CH1 IN1
CH2 IN1
CH3 IN1
CH1 IN2
CH1 IN3
CH1 IN3
CH2 IN2
CH3 IN2
CHI OUT
CH2 OUT
CH3 OUT
3
5
5
8
10
17
15
15
2
4
SW1
SW2
COMPONENT
SW1
COMPONENT
SW2
SW2
24
75Ω
DRIVER
6dB AMP
22
75Ω
DRIVER
6dB AMP
20
75Ω
DRIVER
6dB AMP
23
PS
PS(V-MUTE)
6
14
4
13
5
3
1
75Ω
DRIVER
6dB AMP
15
3
1
75Ω
DRIVER
6dB AMP
+5V
REG
IC201
+5V-3
3
2
-5V
REG
IC202
-5V-3
COMP_S1
COMP_S2
COMP_S2
V_SW2
V_SW3
V_SW3
V_MUTE
V_SW1
V_SW1
COMPONENT SW1
COMPONENT SW2
COMPONENT SW2
COMPOSITE SW2
COMPOSITE SW3
COMPOSITE SW4
COMPOSITE SW3
COMPOSITE SW4
PS(V-MUTE)
COMPOSITE SW1
COMPOSITE SW1
SYSTEM CONTROL
IC1101 (3/6)
-5V
-5V-3
+5V
+5V-3
+15V
-15V
VOUT1
VOUT2
V-1,-2
-5V-3
V+1,+2
+5V-3
VIN1
VIN4
VIN5
COMPOSITE SW4
COMPOSITE
SW1
COMPOSITE SW2
COMPOSITE SW3
SW4
SW1
2
SW5
10
SW2
SW3
INPUT SELECT
IC210
COMPONENT VIDEO SELECT
IC220
4
3
2
5
6
7
3
2
5
6
7
V_SW4
9
1
CH2 IN3
12
CH3 IN3
13
Y
P
B/
C
B
P
R/
C
R
Y
P
B/
C
B
P
R/
C
R
J220 (1/2)
J221
BD
IN
DVD
IN
COMPONENT
VIDEO
-5
-6
-7
-1
-2
-3
Y
P
B/
C
B
P
R/
C
R
SAT
IN
-1
-3
-4
J210 (1/2)
J211 (1/2)
VIDEO
IN
VIDEO
IN
-1
VIDEO
SAT
DVD
-1
VIDEO
IN
-2
D211
D210
Y
P
R/
C
R
P
B/
C
B
J220 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-9
-10
-11
-2
J210 (2/2)
J211 (2/2)
VIDEO
OUT
VIDEO
-3
VIDEO
OUT
MONITOR
• Signal path
: VIDEO
: VIDEO
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