Sony STR-DA90ESG Service Manual ▷ View online
– 25 –
• Waveforms
– DISPLAY SECTION –
– DISPLAY SECTION –
3.9 Vp-p
0.6 Vp-p
5.4 Vp-p
5.1 Vp-p
0.6 Vp-p
4.9 Vp-p
5.2 Vp-p
5 Vp-p
5.1 Vp-p
4.6 Vp-p
4.7 Vp-p
5 Vp-p
1
IC105
^¢
4 MHz
– DIGITAL SECTION –
2
IC3401
0
49 MHz
3
IC3401-3403
#•
IC3410
%¡
IC3414
7
IC3417
6
3.1 MHz
4
IC3401-3403
#ª
IC3414
4
IC3417
8
48.1 kHz
5
IC3402, 3403
0
48.5 MHz
6
IC3407
1
6.1 MHz
7
IC3409
7
IC3410
%∞
IC3412
%º
48.1 kHz
8
IC3104
!£
IC3108
8
IC3409
8
48.1 kHz
9
IC3108
4
IC3425
1
,
3
3.1 MHz
0
IC3107
4
12.4 MHz
!¡
IC3104
!¶
12.2 MHz
!™
IC3104
!¢
3.1 MHz
– 26 –
5 Vp-p
4.9 Vp-p
5.3 Vp-p
5.1 Vp-p
4.7 Vp-p
6 Vp-p
3.6 Vp-p
4.2 Vp-p
5.4 Vp-p
0.8 Vp-p
0.8 Vp-p
0.7 Vp-p
!£
IC3412
@¶
3.1 MHz
– VIDEO SECTION –
!ª
IC809
^¢
4 MHz
!¢
IC3410
@¶
3.1 MHz
!∞
IC3311
@¡
3.7 MHz
!§
IC3311
@™
58.1 kHz
!¶
IC3413
*™
47 MHz
!•
IC3308
%§
18.52 MHz
@º
IC815
%¢
6 MHz
@¡
IC805
9
14.29
@™
IC810
0
520.8 kHz
@£
IC813
0
520.8 kHz
@¢
IC814
#¡
14.3 MHz
– 69 –
– 70 –
• IC Block Diagrams
IC101
TD62C950RF (DISPLAY BOARD)
IC140
BA6208 (BAL (A) BOARD)
IC3104
CXD8681M-TP (DIGITAL BOARD)
IC3108, 3407
TC74HC393AF-TP1
(DIGITAL BOARD)
(DIGITAL BOARD)
IC3311
CXD8521M (DIGITAL BOARD)
IC3313
TC74HC151AF-TP1
(DIGITAL BOARD)
(DIGITAL BOARD)
IC3401, 3402, 3403
CXD8505BQ (DIGITAL BOARD)
IC3409
TC5081AP (DIGITAL BOARD)
Q
D
ST
ST
Q
D
CK
D
Q
Q
D
CK
24
25
23
22
21
26
27
28
36
40
39
38
37
39
38
37
35
34
33
32
31
1
20
29
60
41
30
OUT1
OUT20
H V
CC
P GND
L GND
CL
NC
STB
NC
NC
NC
S IN
V
DD
OUT40
OUT21
H V
CC
P GND
L GND
NC
CHG
NC
CK
NC
S OUT
V
DD
VREF- 2
VCOML 3
AINL+ 4
VOLTAGE
REFERENCE
DELTA-SIGMA
MODULATOR
DECIMATOR
CONTROLLER
VOLTAGE
REFERENCE
DECIMATION
FILTER
CALIBRATION
SRAM
SERIAL OUTPUT
INTERFACE
DELTA-SIGMA
MODULATOR
VREF+ 1
AINL- 5
ZCAL 6
VD 7
DGND 8
CAL 9
RST 10
SMODE 2 11
SMODE 1 12
LRCK 13
SCLK 14
VREF-
27
VCOMR
26
AINR+
25
VREF+
AINR-
24
VA
23
AGND
22
BGND
21
TEST
20
SEL24
19
CMODE
18
MCLK
17
FSYNC
16
SDATA
15
28
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
MICOM
INTERFACE
TIMING
MUTE
OUTPUT
LOCK ERROR
DET
DATA
DEMODURATE
INPUT
SECTION
PLL
C BIT
DET
SUB-Q
DET
TEST
17
18
19
20
21
22
23
24
TST2
SCLK/CL
XLAT/CE
SWDT/DI
SRDT/DO
DQSY/LD
CKOUT
FS128
BCK
LRCK
DATAOUT
ERROR
DIN1
DIN2
E/DOUT
VDD
R
VIN
VCO
GND
CKSEL
XMODE
AVOCK
TST1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
D3
D2
D1
D0
Y
W
S
C
D4
D5
D6
D7
A
B
D3
D2
D1
D0
Y
XY
OE
GND
V
CC
D4
D5
D6
D7
A
B
C
ATT
FIR1
IIR
FIR2
FIR3
L.I.P
(X8)
(X8)
PLM
PLM
3rd order
NOISE SHAPER
AC, DC
DITHER
CLOCK
GENERATOR
ATT
FIR1
IIR
FIR2
FIR3
L.I.P
(X8)
(X8)
V
SS
2
R1(+)
V
SS
R1(–)
V
DD
V
DD
2
VSUB(C)R
DV
SS
R
DV
DD
R
DFV
DD
1
SPLM
20/16
XSEL
SYSM
ATT
SHIFT
LATCH
INIT
BCKI
LRCKI
DATAI
VSUB(D)R
DFV
SS
VSUB(D)L
INAF
512F
S
O
256F
S
O
128F
S
O
INVI
INVO1
MUTER
3rd order
NOISE SHAPER
MODE
“O” DETECT
MUTE
CIRCUIT
63
64
62
61
3 4
TIMING
CIRCUIT
S/P
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
39
40
41
42
44
43
45
46
47
48
49
51
INVO2
50
52
53
54
55
56
57
58
59
60
MUTEL
TEST1
TEST2
DFV
DD
2
DV
DD
L
DV
SS
L
VSUB(C)L
V
DD
2
V
DD
V
SS
V
SS
2
1
V
SS
2
2
L2(+)
V
SS
L2(–)
5
V
DD
6
V
DD
2
7
VSUB(A)L
8
XV
DD
XOUT
XIN
XV
SS
XV
SS
VSUB(A)R
V
DD2
V
DD
R2(–)
V
SS
R2(+)
V
SS2
L1(–)
L1(+)
1
2
3
4
5
6
7
8
9
PHASE
COMPARATOR
AOUT
AIN
PDOUT
PHASE OUT
VDD
N. C.
S
R
GND
1
2
3
4
5
6
7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
NC
Vcc
AFC CTL
VCO OUT
VCO IN
HD OUT
DET OUT
GND
EXC
VD OUT
4
SYNC OUT
3
F.B CLAMP
2
VIDEO IN
1
NC
AFC
32FH
VCO
LOCK
DET
COUNT
DOWN
SYNC
SEP
V.SEP
14
13
12
11
10
9
8
7
6
5
– 71 –
IC3516
LC7535M-TP (DIGITAL BOARD)
IC802, 808
UBD4053BC (VIDEO BOARD)
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
22
21
20
19
18
17
CONTROL
LEVEL SHIFT
LATCH
SHIFT RESISTER
+D
D
D
R 5dB IN
R CT1
R CT2
R 5dB OUT
R 1dB IN
R 1dB OUT
R VM
CLK
DI
CE
VCC
L 5dB IN
L CT1
L CT2
L 5dB OUT
L 1dB IN
L 1dB OUT
L VM
VEE
S
VDD
VSS
+L
1
2
3
4
5
6
7
8
9
15
10
11
12
13
14
16
V
DD
B. COM
A. COM
A1
A0
A
B
C
B1
B0
C1
C. COM
C0
INH
V
EE
V
SS
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