Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual ▷ View online
25
25
STR-KM7500
STR-KM7500
1
3
CNP201
1
2
13
14
CN202
C200
C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
C219
C220
C226
C227
CN200
JW213
JW214
JW21
1
JW221
JW223
JW225
JW224
JW229
JW210
JW220
JW212
JW222
JW215
JW218
JW226
JW227
JW228
JW216
JW217
V1
V2
C218
JW220
15
3
I
O
I
O
VIDEO OUT
MONITOR
VIDEO IN
VIDEO OUT
VIDEO IN
BD
VIDEO IN
SAT
VIDEO 1 IN
MONITOR OUT
DVD IN
SAT IN
VIDEO 1
J202
J201
J203
J200
COMPONENT VIDEO
R202
R212
R209
R210
R207
R206
C222
D210
R220
R211
R208
C224
R203
C203
R213
R201
C201
R204
R222
D21
1
R221
C214
R205
R200
C216
CL201
CL210
CL211
CL200
CL202
CL220
CL204
16
9
8
1
1
24
13
12
JR
JR210
C228
VIDEO BOARD
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
VIDEO 2
BOARD
CN173
(Page 27)
C
STANDBY DCDC
BOARD
CN905
(Page 33)
B
CONNECTION
BOARD
CN802
(Page 43)
I
IC220
IC210
IC201
IC202
1-879-396-
11
(11)
(CHASSIS)
A201
A201
5-14. PRINTED WIRING BOARD — VIDEO BOARD — • Refer to page 10 for Circuit Boards Location.
: Uses unleaded solder.
26
26
STR-KM7500
STR-KM7500
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
5-15. SCHEMATIC DIAGRAM — VIDEO BOARD — • See page 11 for Block Diagram • Refer to page 49 IC Block Diagrams.
MA2J1110GLS0
DMPORT V
CL238
CL237
CL236
CL235
1
3
4
5
CN200
+R3(15V)
GND
GND
-R3(-15V)
STANDBY DCDC
BOARD
CN905
(Page 34)
B
CL232
CL231
5P
50V
10
C205
50V
10
C206
50V
10
C207
50V
10
C212
50V
10
C211
50V
10
C220
50V
10
C219
50V
10
C218
50V
10
C213
V2
V1
V3
G
J201
3P
J200
2P
5
6
7
3
4
1
2
V1
V2
G
1
2
3
4
5
50V
10
C210
50V
10
C209
50V
10
C208
16V
47
C204
16V
47
C200
10
50V
50V
C226
10
C227
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC210
NJM2595M-TE2
SW5
VOUT1
SW3
VIN5
SW4
VIN4
V-
VIN3
VOUT2
V+
VIN1
SW1
VOUT3 (NC)
GND
VIN2
SW2
24
23
22
21
20
19
18
7
6
5
4
3
2
1
17
16
15
14
13
8
9
10
11
12
Y
Pb
Pr
Y
Pb
Pr
Pr
Pr
Pb
Pb
Y
Y
CH1 IN1
SW1
CH1 IN2
SW2
CH1 IN3
GND
V+1
CH2 IN1
GND
CH2 IN2
GND
CH2 IN3
CH3 IN3
GND
CH3 IN2
V-
1
CH3 IN1
V-
2
GND
CH3 OU
T
V+2
CH2 OU
T
PS
CH1 OU
T
75
R203
75
R204
75
R205
75
R207
75
R206
75
R208
G
1
2
3
6
7
4
5
8
9
10
11
12
13
D211
D210
C203
0.47
C201
0.47
75
R212
75
R200
75
R213
75
R201
75
R202
R220
75
R221 75
R222
75
J203
2
1
3
4
5
75
R209
J202
9P
75
R210
75
R211
0.1
C224
0.1
C222
0.1
C214
0.1
C216
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN202
COMP_S2
COMP_S1
V_SW1
V_SW2
V_SW3
V_SW4
V_GND
+R3 (15V)
R3_GND
VIDEO2 V
VIDEO2_GND
I
O
G
KIA7805API-U/PF
IC202
+5V REG
I
O
G
KIA7905PI
IC201
0.1
C228
CL221
CL222
CL223
CL224
CL225
CL226
CL227
CL228
CL229
CL230
CL233
CL234
-5V REG
IC220
NJM2586AM
COMPONENT VIDEO
SELECT
DVD
VIDEO 1
VIDEO IN
VIDEO IN
VIDEO IN
Y
SAT IN
DVD IN
COMPONENT VIDEO
VIDEO 1 IN
Y
Y
Y
PR/CR
PB/CB
PR/CR
PB/CB
PR/CR
PB/CB
PR/CR
PB/CB
14P
INPUT SELECT
MA2J1110GLS0
3P
VIDEO OUT
VIDEO OUT
MONITOR
SAT
PS(V-MUTE)
DMPORT GND
MONITOR OUT
IC220
IC B/D
IC201
IC202
3.0
8.1
3.1
3.1
3.1
3.1
3.1
3.1
2.4
3.1
3.1
-3.1
3.1
3.1
2.6 -1.9
3.2
3.2 3.2 3.0 8.1
3.1 0
-1.8 3.2 -1.8 3.1 0
3.1
2.3 2.0 1.5 1.2 0.7
0.6 0.4 0.9 3.1 0
-4.5
4.9
-15.0
+15.0
0
0
VIDEO BOARD
1
2
3
3P
CNP201
V GND
VIDEO 2
V GND
VIDEO 2
BOARD
CN173
(Page 28)
C
CONNECTION
BOARD
CN802
(Page 44)
I
IC210
IC B/D
27
27
STR-KM7500
STR-KM7500
J2000
AUTO
CAL MIC
VIDEO 2 IN
VIDEO
L -AUDIO- R
1-879-391-
11
(11)
C
VIDEO
BOARD
CNP201
(Page 25)
MAIN
BOARD
CN558
(Page 20)
DISPLAY
BOARD
CNP102
(Page 35)
C185
R180
C172
R173
C190
R172
C196
C191
C171
C186
R181
C193
C173
C182
C181
R171
C188
R182
C174
IC180
D180
R193
R192
D181
R188
R190
R191
R187
R183
R184
R186
R185
CL180
CL181
CL182
CL188
CL187
CL185
CL186
CL183
CL184
IC181
C161
C160
R194
R195
R3673
FB101
FB102
C197
J180
J181
JW180
JW175
JW177
JW170
JW171
JW173
JW174
C180
C183
C184
C192
C162
C163
1
10
3
CN173
TP171
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
VIDEO 2 BOARD
5-16. PRINTED WIRING BOARD — VIDEO 2 BOARD — • Refer to page 11 for Circuit Boards Location.
: Uses unleaded solder.
Ver. 1.2
28
28
STR-KM7500
STR-KM7500
Ver. 1.2
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
5-17. SCHEMATIC DIAGRAM — VIDEO 2 BOARD — • See page 11 for Block Diagram • Refer to page 49 IC Block Diagrams.
VIDEO
VIDEO2 IN
L
R
AUDIO
AUTO CAL MIC
1k
R193
10k
R185
56p
C185
33k
R181
2.2k
R182
15k
R180
1.2k
R191
2.2k
R192
0
R3673
10k
R188
1M
R186
0.033
C188
50V
0.47
C180
1k
R184
0.1
C191
10k
R183
MA2J1110GLS0
D180
50V
1
C192
0.022
C181
50V
1
C184
33p
C186
MA2J1
110GLS0
D181
560k
R187
50V
1
C183
0.022
C182
10k
R190
C197
0.1
C196
0.1
100p
C193
0.033
C190
8
7
6
5
4
3
2
1
NJM4565M-D
IC180
1k
R173
0.1
C174
0.1
C172
1k
R172
CL180
CL186
V
L
R
J181
75
R171
CL187
J180
3
8
7
6
5
4
3
2
1
NJM4565M-D
IC181
AMP
0.001
C160
0.001
C161
50V
10
C162
50V
10
C163
47k
R194
47k
R195
220p
C173
220p
C171
1
3
4
5
6
7
8
9
10
CN173
10P
+7V
-7V
+/-7V GND
L-CH (V2)
V2 GND (Audio)
R-CH (V2)
V GND
VIDEO
MIC MONO
(CHASIS)
TP170
CL185
CL184
CL183
CL182
CL181
VIDEO 2 BOARD
DISPLAY BOARD
CNP102
(Page 36)
VIDEO BOARD
CNP201
(Page 26)
C
0
0
0
7.0
-6.9
0
0
0
0
0
0
-6.9
0
0
0
7.0
MAIN BOARD
(3/4)
CN558
(Page 23)
AMP
+
-
+
-
VEE
VCC
+
-
+
-
VEE
VCC
IC181
IC B/D
IC180
IC B/D
CL188
FB102
0uH
FB101 0uH
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