Sony STR-DE885 / STR-DE985 Service Manual ▷ View online
45
STR-DE885/DE985
IC1451 PCM1604Y/2K (DIGITAL BOARD)
IC251 NJM2595D (VIDEO BOARD)
CLOCK
MANAGER
MODE CONTROL
INTERFACE
SERIAL
INPUT
INTERFACE
MULTI-FUNCTION
X8
OVER SAMPLING
DIGITAL
FILTER
MULTI-
LEVEL
DIGITAL
MODULE
BPZ CONTROL
ZERO DETECT
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
2CH LPF
&
OUTPUT AMP
2CH LPF
&
OUTPUT AMP
2CH LPF
&
OUTPUT AMP
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
ZERO2
ZERO3
ZERO4
ZERO5
ZERO6
AGND
VCC
V
OUT6
V
OUT5
V
OUT4
V
OUT3
1
2
3
4
5
6
7
8
9
10
11
12
VOUT2
VOUT1
VCOM2
VCOM1
AGND6
VCC6
AGND5
VCC5
AGND4
VCC4
AGND3
VCC3
13
14
15
16
17
18
19
20
21
22
23
24
ML
MC
MDI
MDO
NC
NC
VCC0
AGND0
VCC1
AGND1
VCC2
AGND2
36 35 34 33
32
31
30
29
28
27
26
25
1
M.OUT
2
SW5
8
VEE
3
TV
4
SW3
5
DVD
6
SW4
7
V3
S3
S1
S2
S4
S6
S7
S5
16 VCC
SW2
V2.IN
V1.OUT
SW1
V1.IN
GND
V1.IN
GND
V2.OUT
6dB
AMP
75Ω
DRIVER
10
9
15
14
13
12
13
12
11
-V
+V
46
STR-DE885/DE985
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
1
2
3
4
8
7
6
5
GND
YIN
VIN
CIN
YOUT
VOUT
COUT
VCC
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
9
S5
S6
S7
S4
S1
S2
S3
VCC
V1.OUT
SW1
V1.IN
GND
V2.OUT
SW2
V2.IN
M.OUT
SW5
TV
SW3
DVD
SW4
V3
VEE
10
11
12
13
14
15
16
1
5
2
3
4
6
7
8
IC252 MB90089PF-G-238-BND (VIDEOBOARD) (STR-DE985 only)
IC253 BA7622 (VIDEO BOARD)
(STR-DE985 only)
(STR-DE985 only)
IC201, 202 NJM2295D (S-VIDEO BOARD)
47
STR-DE885/DE985
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INH
INH
INPUT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
VCC
OUT1
IN4
IN3
IN2
OUT3-1
OUT3-2
OUT3-3
GND
INH1
INH2
IN1
NC
OUT2-1
OUT2-2
OUT2-3
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
IC203 NJM2145D (S-VIDEO BOARD)
IC200 TC9273N-006 (COMPONENT BOARD)
48
STR-DE885/DE985
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
13
GND
VOUT3
V+3
VOUT2
V+2
VOUT1
V+1
PWR
VEE3
VEE2
VEE1
VIN2
VIN3
VIN1
BIAS
14
1
2
6dB
AMP
75Ω
DRIVER
11
BIAS
12
3
4
6dB
AMP
75Ω
DRIVER
9
BIAS
10
5
6
6dB
AMP
75Ω
DRIVER
8
7
REF
IC301 TC74HC4053AP (COMPONENT BOARD)
IC302 NJM2581D (COMPONENT BOARD)
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