Sony HT-DDW980 / STR-K980 Service Manual ▷ View online
37
37
STR-K980
STR-K980
3-22. SCHEMATIC DIAGRAM – VIDEO BOARD, HEADPHONE BOARD –
• See page 41 for IC Block Diagrams.
35
TP701
JW200
CNP791
C223
C224
C209
C214
R219
IC203
R218
R221
C200
C201
R220
R303
R302
R301
R313
JW301
C308
C309
C310
C311
C312
C313
R201
R200
CNP202
C206
C207
C208
C215
CNS203
CNP203
R304 R305
R306
R307 R308 R309
R312
R311
R310
C330
C331
JW300
C790
C791
J201
J200
D204
D203
C316
C315
J791
IC304
J301
C220
C221
IC804
IC807
4P
0.1
0.1
10
50V
0.1
75
NJM2595D
75
75
47p
47p
75
75
75
75
22k
10
50V
10
50V
10 50V
10
50V
10
50V
10 50V
75
75
3P
10
50V
10
50V
10
50V
0.1
17P
3P
75
75
75
75
75
75
1k
1k
1k
0.1
0.1
0.1
0.1
1SS133T-72
1SS133T-72
2200P
2200P
NJM2586AL
9PIN
47
25V
220
16V
TA79005S
TA78O5S
38
38
STR-K980
STR-K980
– DIGITAL Board –
IC1301 LC89056W-E
• IC Block Diagrams
IC1401 PCM1800E
IC1601, IC1602 SN74HC595ANSR
IC1503 TC7WH157FU
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CLK
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
SPDIF
DINO
DINI
DIN2
6
D.GND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
LOCK
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL
∑
MODULATOR
DIGITAL
∑
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PR
C NR
C PR
C NR
DGND
SYSCLK
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
1D
C1
R
QA
2R
2S
C2
R
QB
QC
QD
QE
QF
QG
3R
C3
3S
2R
2S
C2
R
3R
C3
3S
2R
2S
C2
R
3R
C3
3S
2R
2S
C2
R
3R
C3
3S
2R
2S
C2
R
3R
C3
3S
2R
2S
C2
R
3R
C3
3S
2R
2S
C2
R
3R
C3
3S
3R
C3
3S
QH
GND
S-OUT
OE
RST
LAT
CLK
S-IN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
VCC
16
1
2
3
4
8
7
6
5
Vcc
1Y
2B
2A
1A
1B
2Y
GND
39
STR-K980
IC1452 PCM1609APT
SYSTEM
CLOCK
MANAGER
SYSTEM
CLOCK
FUNCTION
CONTROL
INTERFACE
SERIAL
INPUT
INTERFACE
4X/8X
OVER SAMPLING
DIGITAL
FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-
LEVEL
DELTA-
SIGMA
MOJULATOR
ZERO DETECT
DAC
AND LPF
OUTPUT AMP
DAC
DAC
DAC
DAC
DAC
DAC
DAC
RST
SCKI
SCKO
BCK
TEST
VDD
DGND
DATA1
DATA2
DATA3
ZEROA
LRCK
37
38
39
40
42
43
44
45
46
47
48
41
ZERO1/GPO1
ZERO2/GPO2
ZERO3/GPO3
ZERO4/GPO4
ZERO5/GPO5
ZERO6/GPO6
NC
NC
VOUT6
VOUT5
VOUT4
VOUT3
1
2
3
4
5
6
7
8
9
10
11
12
VOUT2
VOUT1
VCOM
VOUT7
AGND5
VCC5
AGND6
VOUT8
AGND4
VCC4
AGND3
VCC3
13
14
15
16
17
18
19
20
21
22
23
24
ML
MC
MDI
MDO
ZERO8
DATA4
ZERO7
NC
VCC1
AGND1
VCC2
AGND2
36 35 34 33
31 30
29
28
27
26
25
32
AND LPF
OUTPUT AMP
AND LPF
OUTPUT AMP
AND LPF
OUTPUT AMP
AND LPF
OUTPUT AMP
AND LPF
OUTPUT AMP
AND LPF
OUTPUT AMP
AND LPF
OUTPUT AMP
IC501, IC601, IC701 uPC2581V-S
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
– MAIN Board –
– DISPLAY Board –
IC101 MC74ACT08N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
– DIGITAL Board –
40
STR-K980
IC100 PT6315
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
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
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
– DISPLAY Board –
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