Sony STR-DE997 Service Manual ▷ View online
45
STR-DE997
IC1451 AK4381VT-E2 (DIGITAL BOARD (2/3))
4
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
CLOCK
DIVIDER
SCF
SCF
LRCK
5
PDN
∆Σ
MODULATOR
2
9
8X
INTERPOLATOR
BICK
1
MCLK
3
SDTI
∆Σ
MODULATOR
AUDIO
DATA
INTERFACE
7
CCLK
8
CDTI
6
10
CSN
AOUTR+
AOUTR-
11
12 AOUTL+
13 VSS
14 VDD
15 DZFR
16 DZFL
AOUTL-
µP
INTERFACE
IC2560 TC9273N-006 (VIDEO (AU) BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VSS
NC
VIDEO1 R
VIDEO2 R
DVD/LD R
TV/SAT R
COM R
VIDEO3 R
VIDEO1 OUT R
VIDEO2 OUT R
AUDIO IN R
NC
NC
VIDEO1 L
VIDEO2 L
DVD/LD L
TV/SAT L
COM L
VIDEO3 L
VIDEO1 OUT L
VIDEO2 OUT L
AUDIO IN L
NC
GND
CLK
VDD
LATCH
DAT
10BIT
LATCH
CIRCUIT
(L-CH)
10BIT
LATCH
CIRCUIT
(R-CH)
LEVEL SHIFT & SHIFT REGISTER
46
STR-DE997
IC3201 NJM2595M-TE2 (VIDEO BOARD (1/2))
IC2101 NJM2595D (S-VIDEO BOARD)
IC2102 NJM2595D (S-VIDEO BOARD)
IC2101 NJM2595D (S-VIDEO BOARD)
IC2102 NJM2595D (S-VIDEO BOARD)
1
M.OUT
2
SW5
8
VEE
3
DVD
4
SW3
5
V2
6
SW4
7
NC
S3
S1
S2
S4
S6
S7
S5
16 VCC
SW2
V3
V1.OUT
SW1
V1
GND
V1
GND
NC
6dB
AMP
75Ω
DRIVER
10
9
15
14
13
12
13
12
11
-V
+V
IC3253 LA7213 (VIDEO BOARD (1/2))
IC3731 LA7213 (VIDEO BOARD (2/2))
IC3731 LA7213 (VIDEO BOARD (2/2))
IC3501 MB90089PF-G-238-BND (VIDEO BOARD (1/2))
1
SYNC
SEP
V-SYNC
SEP
2
3
4
5
V IN
HD
VSS
VD
VDD
ANALOG
SWITCH
SERIAL
INPUT
CONTROL
VIDEO
SIGNAL
GENERATOR
CIRCUIT
4 FSC
CLOCK
OSCILLATOR
CIRCUIT
FOR
COLOR
BURST
BURST
DATA
OUTPUT
CONTROL
NTSC/PAL
SIGNAL GENERATOR
CIRCUIT
H/V
SEPARATE
CIRCUIT
DISPLAY
MEMORY
CONTROL
CGROM
CHARACTER
VRAM
VIDEO PHASE SYNC
YIN
CIN
VIN
HSYNC
VSYNC
EXS
VBLK
FSCO
AVCC
XS
EXHSYN
EXVSYN
VSS
1
2
3
10
11
8
6
5
4
9
12
13
14
YOUT
AVSS
COUT
VOUT
CS
SIN
SCLK
VOC0
VOC1
VOC2
VOB
XD
EXD
27
26
25
28
24
23
22
20
19
18
17
16
15
VCC
7
TEST
21
DOT-CLOCK
GENERATOR
CIRCUIT
47
STR-DE997
IC3321 LA7106M-TLM (VIDEO BOARD (1/2))
IC3651 MC74HC4053AFEL (VIDEO BOARD (2/2))
IC3751 MC74HC4053AFEL (VIDEO BOARD (2/2))
IC3751 MC74HC4053AFEL (VIDEO BOARD (2/2))
16
15 14
13
12
11
10
9
1
2
3
4
5
6
7
8
C
B
A
0X
1X
XCOM
YCOM
VCC
GND
VEE
INH
0Z
ZCOM
1Z
0Y
1Y
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
LOGIC LEVEL CONVERTER
IC3671 NJM2268V(TE2) (VIDEO BOARD (2/2))
IC3741 NJM2268V(TE2) (VIDEO BOARD (2/2))
IC3741 NJM2268V(TE2) (VIDEO BOARD (2/2))
1
VIN1+
2
NFB1
3
MUTE1
4
VIN2+
5
NFB2
6
–VCC1
7
VIN3+
8
NFB3
16 +VCC
15 VOUT1
14 GND
13 VOUT2
12 DR CTL
11 VOUT3
10 MUTE2
9
–VCC2
6dB
AMP
75Ω
DRIVER
6dB
AMP
75Ω
DRIVER
6dB
AMP
75Ω
DRIVER
1
2
4
VIN1
GND
3
VSAG1
VOUT1
75Ω
DRIVER
6dB
AMP
CLAMP
8
7
5
VIN2
V+
6
NC
VOUT2
75Ω
DRIVER
6dB
AMP
BIAS
48
STR-DE997
IC3641 NJM2267M(TE2) (VIDEO BOARD (2/2))
IC3601 CXD2064Q (VIDEO BOARD (2/2))
1
2
3
4
CLAMP
75Ω
DRIVER
6.2dB
AMP
8
7
6
5
CLAMP
75Ω
DRIVER
6.2dB
AMP
VIN1
GND
VSAG1
VOUT1
VOUT2
VSAG2
VCC
VIN2
37
FIN
38
CKSL
39
PLSL
40
MCKO
41
ADCK
42
CPO
43
PLVS
44
VCV
45
PLVD
46
CLVD
47
CLPEN
48
CLVS
1
CLPO
2
ADIN
3
RB
4
ADVS
5
ADVD
6
RT
7
ACO
8
DAVD
9
AYO
10
DAVS
11
VG
12
VRF
24 DTR
23 PNR
22 VEH1
21 VEH2
20 VEH3
19 MOD1
18 DVSS
17 MOD2
16 DVDD
15 TEST
14 VB
13 IRF
36
DVSS
35
TEST
34
DVDD
33
TEST
32
TEST
31
TRAP
30
APCN
29
DVSS
28
TEST
27
DVDD
26
NTPL1
25
NTPL2
A/D
1/2
D/A
DL
CLAMP
NTSC: 1H
PAL : 2H
NTSC: 1H
PAL : 2H
LOGICAL OPERATION
ADAPTIVE
FILTER
OPERATION
+
+
–
+
–
+
D/A
VERTICAL CONTOUR
ACCENTUATION CIRCUIT
VCO
1/4
4fsc
PHASE
COMPARATOR
Click on the first or last page to see other STR-DE997 service manuals if exist.