Sony HT-DDW980 / STR-K980 Service Manual ▷ View online
17
17
STR-K980
STR-K980
3-2. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
• R-CH is omitted due to same as L-CH.
IN2
8
12
+V OUT2
POWER AMP
IC701
POWER AMP
IC601
9
NF2
LIMITER
Q701,702
11
-V OUT2
IN2
12
+V OUT2
9
NF2
11
-V OUT2
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q705,706
AF POWER
PROTECT
Q740
LIMITER
Q651,652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q655,656
IN2
8
12
+V OUT2
POWER AMP
IC501
9
NF2
LIMITER
Q501,502
11
-V OUT2
BOOSTER
Q503
BOOSTER
Q504
CURRENT
DETECT
Q505,506
LED DRIVE
Q110
D105
D721
PROTECT
SWITCH
Q722,723,725
RELAY
DRIVE
Q790
RY791
RELAY
DRIVE
Q710
RY701
D1110
RELAY
DRIVE
Q610
RY601
D1108
RELAY
DRIVE
Q550
RY501
D1107
D1111
L
R
SR
SL
C
R-CH
R-CH
R-CH
PHONES
TM601
61
PROTECTOR
62
HP RY
66
FRONT RY
69
REAR RY
68
C/SB RY
67
SP_B_RY
RV102
ENCODER
3
1
VOL_ENC(B)
64
VOL_ENC(A)
65
POWER KEY
56
?/1
S100
77
RSTX
48
STOP
54
SIRCS
63
FUSE DETECT
REMOTE
CONTROL
RECEIVER
1
IC102
D910-913
AC
IN
T902
RY901
D915
F901
D914
RELAY
DRIVE
Q901
D920-923
23
VCC5
84
VCC3
-7V
REG
3
2
+7V
REG
1
3
AUDIO
+7V
IC801
IC802
POWER RY
58
RELAY
+B
D805-808
82
83
X0
X1
X1101
24MHz
F1
F2
L
SL
SL
C
A
J791
FLUORESCENT
INDICATOR TUBE
FL101
FL_DATA
FL_CLK
9
FL_LAT
7
DIN
8
CLK
9
1
STB
SW1
14 29
SEG1-16
42 31
GRID1-12
F1
F2
FL DRIVE
IC100
ADCC
38
S108-111,115,124
FUNCTION
KEY
A/D1
39
FUNCTION
KEY
A/D2
40
S101-107
SYSTEM CONTROL
IC1101(2/2)
• Signal Path
: FM
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
IC691
2
1
FRONT
SURROUND
IC691
5
7
55
HP DETECT
BUFFER
IC101
35
AVCC
+3.3V
REG
3
1
IC1904
AUDIO
-7V
+10V
REG
3
1
TUNER
+10V
IC1902
T901
Q921
AC DET
1
2
IC1111
D802
R803
+B
-B
-B
SWITCH
Q691,692
-20V REG
Q801
FL101
-20V
POWER AMP
-B
+5V
REG
3
1
IC1031
+5V
+2.5V
REG
5
+2.5V
+3.3V
REG
2
4
IC1901
+3.3V
+5V
REG
3
1
IC1001
AUDIO
+5V
SPEAKERS
IMPEDANCE USE 6-16
Ω
MASTER
VOLUME
VOLUME
RV101
ENCODER
3
1
ENC_B
32
ENC_A
31
INPUT
SELECTOR
8
RESET
5
1
IC2000
AMP
+3.3V
(STBY)
MAIN
SECTION
TM502
CENTER
(Page 16)
B
MAIN
SECTION
(Page 16)
AUTO CAL MIC
J2000
18
18
STR-K980
STR-K980
3-3. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE A) –
:Uses unleaded solder.
• See page 15 for Circuit Boards Location.
IC1301
IC1303
IC1452
IC1501
IC1502
IC1602
IC1601
IC1503
IC1101
IC1131
IC1406
IC1405
IC1404
IC1403
IC1401
IC1111
1
3
5
4
1
2
A
B
C
D
E
3
4
5
6
7
• Semiconductor
Location
Ref. No.
Location
D1001
B-6
D1301
C-2
D1302
C-1
D1501
D-6
D1502
D-6
IC1101
D-5
IC1111
C-6
IC1131
E-5
IC1301
B-2
IC1303
C-2
IC1401
E-2
IC1403
E-3
IC1404
E-3
IC1405
E-4
IC1406
E-5
IC1452
D-2
IC1501
D-3
IC1502
C-3
IC1503
D-4
19
19
STR-K980
STR-K980
3-4. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE B) –
:Uses unleaded solder.
• See page 15 for Circuit Boards Location.
MAIN
BOARD
CNP911
(Page 25)
MAIN
BOARD
CNP913
(Page 25)
A
B
DISPLAY
BOARD
CNS100
(Page 29)
C
MAIN
BOARD
CNP500
(Page 25)
G
MAIN
BOARD
CNP501
(Page 25)
H
STANDBY
BOARD
CNP903
(Page 31)
D
MAIN
BOARD
CNP912
(Page 25)
E
VIDEO
BOARD
CNS203
(Page 36)
F
IC1031
IC1901
IC1904
IC1001
IC1902
IC1354
IC1351
1
1
7
5
1
1
1
2
3
3
3
4
5
for
FLASH
PROGRAMMING
FLASH
PROGRAMMING
1
5
23
6
10
TUNER UNIT
VIDEO 1
IN
VIDEO 2
IN
DVD IN
COAXIAL
OPTICAL
DIGITAL
17
16
1
3
3
3
1
1
3
1
11
R1163
1
2
A
B
C
D
E
3
4
5
6
7
8
• Semiconductor
Location
Ref. No.
Location
D1003
D-6
D1004
D-6
D1107
C-3
D1108
C-3
D1110
C-3
D1111
C-3
D1503
D-6
D1504
D-6
IC1001
E-6
IC1031
B-1
IC1351
C-7
IC1354
B-7
IC1601
C-5
IC1602
C-5
IC1901
B-2
IC1902
A-4
IC1904
B-3
20
20
STR-K980
STR-K980
3-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) –
• See page 15 for Waveform.
• See page 38 for IC Block Diagram.
C1303
C1305
R1318
R1313
R1314
R1355
R1356
R1357
R1358
R1359
R1354
R1351
X1301
R1310
C1313
R1316
R1315
C1004
R1312
C1914
JR1202
0
C1005
C1306
R1301
R1306
IC1354
IC1351
C1354
C1351
C1357
C1355
C1252
C1253
C1308
TN1
JR1005
R1302
JR1302
JR1303
R1323
C1362
TP1003
FB1302
R1305
R1308
C1312
R1319
C1310
R1311
R1360
FB1305
TP1004
R1307
C1314
FB1306
C1359
C1358
C1361
R1261
R1260
R1252
R1251
JR1020
R1321
C1315
C1302
C1301
C1309
C1360
JR1511
C1304
R1304
R1303
C1913
D1302
IC1902
CNS508
11P
J1301
JR1207
D1003
D1004
IC1301
C1251
JR1019
D1301
IC1303
R1362
R1309
100
100
TORX147L
(SONY)
TORX147L
(SONY)
0.1
0.1
0.1
0.1
10k
100
10k
75
1k
22k
560k
100
12.288MHz
1M
100p
100
100
0.1
100
47
16V
0.1
47
16V
5.6k
22
1p
22
25V
0.1
0.1
0.1
0
4.7k
0
0
10k
0.01
680
100
0.1
0
18p
100
100
100
0.1
1000
6.3V
6.3V
0.1
0.1
1k
1k
39k
39k
0
0
0.1
0.01
0.1
18p
47p
0.01
100
33k
0.1
1SS355-TE-17
TA7809LS
0
1SS367-T3SONY
1SS367-T3SONY
LC89056W-E
0.1
0.1
1SS355TE-17
TC7WU04F(TE12R)
100
100
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