Sony STR-DE885 / STR-DE985 (serv.man2) Service Manual ▷ View online
6
6
STR-DE885/DE985
4. BLOCK DIAGRAM — DIGITAL (2) SECTION —
AMP
IC1404
AMP
IC1403
27
SDO1
SDI1
9616.HACN2
PLL2
DSP2.GP3
9616.PM2
9616.MST2
9616.XRST2
HDOUT2
DSP2.EXLOCK
9616.HCS2
74
HDIN
HDIN
75
HCLK
HCLK
83 HACN
76
84 85
108
16
HCS
PLOCK
GP3
PM
BST
HDOUT
XRST
HEXLOCK
28
SDO2
SDI2
35
SDO3
SDI3
39
SDO4
SDI4
38
DSP1 BCKO
BCKI1
29
DSP1 LRCKO
LRCKI1
62
KFSIO
KFSIO
131
DIR LRCK
GP1
60
SDO1
61
SDO2
25
SDO3
26
SDO4
64
BCKO
63
LRCKO
BCKO
LRCKO
10
SCKOUT
132
GP0
139 MCLK2
144 MCLK1
49
120
82
140
81
141
83
8
89
115 93 92 91 90
104
82
50
136
111
36
35
33
34
37
15
14
13
2
GP7
84
CSO
16
6
1
3
WEO
17
14
6
7
13
2
1
45
46
47
40
41
38
SERIAL
INPUT
I/F
DAC
DAC
DAC
7
8
2
1
DAC
SERIAL
INPUT
I/F
MODE CTRL
I/F
MODE CTRL
I/F
12
6
7
11
2
1
10
6
7
9
2
1
DATA
BCK
VO_L
VO_R
ML
MC
MD
LRCK
SCK
CS
WE
WE
D0-15
A0-15
D17-31
A0-15
L OUT
R OUT
SL OUT
SR OUT
C OUT
SB OUT
SW OUT
AMP
IC1406
AMP
IC1405
DATA1
DATA2
DATA3
BCK
LRCK
SCKI
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
ML
MC
MD0
MD1
MD1
RST
PCM1604 ML
PCM1604 MC
PCM1604 MD0
PCM1604 MD1
PCM1604 MD1
PCM1604 RST
PCM1748 ML
PCM1604 MC
MC
PCM1604 MD1
85
32,31,22-20,
43,44,51-53
56-58,67,69
70-10,13-16
29-32,35-38
5-1,44-42,
27-24,35-38
42,41,34,59,
69,70,77,78,
86,95,105,106,
122,114,113,50
SYSTEM
CONTROL
IC1101(3/6)
PCM1604 RST
PCM1748 ML
PCM1604 MD1
PCM1604 MD0
PCM1604 MC
PCM1604 ML
PCM1604.RST
PCM1748_ML
PCM1604.MD1
PCM1604.MD0
PCM1604.MC
PCM1604.ML
SRAM
IC1552
D/A CONVERTER
IC1202
X1551
13.5MHz
AUDIO DSP2
IC1551
DAC
IC1451
I
TUNER/
AUDIO(1)
SECTION
G
DIGITAL(1)
SECTION
H
DIGITAL(1)
SECTION
: CD (DIGITAL)
• Signal Path
(Page 5)
(Page 5)
(Page 3)
7
7
STR-DE885/DE985
5. BLOCK DIAGRAM — VIDEO (1) SECTION —
REMOTE
CONTROL
RECEIVER
IC103
12
0X
XCOM
ZCOM
YCOM
INH
VIN2
VIN3
VIN1
VOUT2
VOUT3
VOUT1
13
1X
5
0Z
3
1Z
2
0Y
1
10
9
11
1Y
Y
P
B
B-Y
P
R
R-Y
Y
B
C
A
P
B
B-Y
P
R
R-Y
J301 (1/2)
14
11
75Ω
DRIVER
6dB AMP
4
9
75Ω
DRIVER
6dB AMP
15
6
3
5
1
13
75Ω
DRIVER
6dB AMP
TV/SAT
IN
DVD/LD
IN
COMPONENT
VIDEO
-1
-2
-3
-4
-5
-6
Y
P
R
R-Y
P
B
B-Y
J301 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-7
-8
-8
SW4
SW1
SW2
SW3
SW4
SW3
VIDEO AMP
IC302
COMPONENT VIDEO SELECTOR
IC301
Q301
INV.
VIDEO (2)
SECTION
K
VIDEO (2)
SECTION
J
13
INPUT
CIRCUIT
BUFFER
Q201,202
5
6
11
3
OUTPUT
CIRCUIT
CIRCUIT
O3-1
O2-1
O3-2
O2-2
66
1
51
7
10
64
65
63
OUTPUT
CIRCUIT
CIRCUIT
INH
INH
4
BUFFER
Q1106
BUFFER
Q1101,1107
86
I/O
BUFFER
D1102
Q1102
Q1102
87
36 37 38 39
106
105
107
MBUS_DVD
MBUS_VIDEO
MBUS_TV
V.SW1
V.SW2
V.SW3
V.SW4
DATA
CLK
OSD
LAT
SYSTEM CONTROLLER
IC1101 (4/6)
SIRCS
MBUS_STATUS_OUT
A1 IN
A1 OUT
CTRL S
STATUS IN
TV/SAT
CTRL S
IN
MONITOR
J208
J207
J205
J206
CTRL S
OUT
VIDEO 1
CTRL S
OUT
DVD/LD
2
IN2
IN4
+5V
(STBY)
DE985
DE985
IN1
OUT1
IN3
OSD_DATA
OSD_CLK
OSD_CS
REMOTE
CONTROL I/F
IC203
CONTROL
J204
A1
JR1101
• Signal path
: VIDEO
(Page 8)
(Page 8)
8
8
STR-DE885/DE985
6. BLOCK DIAGRAM — VIDEO (2) SECTION —
J253 (1/2)
J203 (1/2)
J202 (1/2)
J202 (2/2)
10
6
14
2
13
J251
5
3
J252 (1/2)
9
4
VIDEO
IN
VIDEO
IN
15
75Ω
DRIVER
6dB AMP
1
3
1
75Ω
DRIVER
6dB AMP
-1
J253(2/2)
-2
VIDEO 1
S-VIDEO
IN
-2
VIDEO 1
S-VIDEO
IN
-2
DVD/LD
S-VIDEO
IN
-1
TV/SAT
DVD/LD
TV/SAT
-2
VIDEO
IN
-1
-2
VIDEO IN
VIDEO 2
J298
VIDEO
VIDEO 3
INPUT
13
5
3
10
6
14
2
15
75Ω
DRIVER
6dB AMP
1
75Ω
DRIVER
6dB AMP
VIDEO
OUT
VIDEO 1
-3
VIDEO
OUT
MONITOR
13
5
3
10
6
14
2
15
75Ω
DRIVER
6dB AMP
1
75Ω
DRIVER
6dB AMP
Y
C
G
G
J203 (2/2)
S-VIDEO
OUT
-1
VIDEO 1
Y
C
G
G
S-VIDEO
OUT
MONITOR
Y
C
G
G
Y
C
G
G
Y
C
G
G
+5V
REG
IC211
3
2
-5V
REG
IC212
+5V-3
-5V-3
+12V
-12V
J201
SW1
SW2
SW3
SW4
SW1
SW5
SW2
SW3
SW4
D201,202
OR
D203,204
OR
V1.OUT
M.OUT
11
75Ω
DRIVER
6dB AMP
J252 (2/2)
-1
VIDEO
OUT
VIDEO 2
V2.OUT
V1.OUT
M.OUT
V1.OUT
M.OUT
V1
V3
V2
V2.IN
DVD
J299
S-VIDEO
VIDEO 3
INPUT
Y
C
G
G
V1.IN
V3
V2.IN
V1.IN
V2.IN
EXD
XD
DVD
TV
V3
DVD
TV
TV
7
SW2
SW4
V-SW2
V-SW4
V-SW3
V-SW1
SW1
SW5
SW2
SW4
SW1
SW5
SW4
4
SW3
SW3
SW1
SW5
SW4
4
SW3
SW3
SW1
SW5
SW2
SW3
SW4
SW1
SW5
S-VIDEO V SWITCH
IC201
VIDEO SELECTOR
IC251
S-VIDEO C SWITCH
IC202
7
VIDEO(1)
SECTION
K
J
DE885
JW202
DE885
JW201
DE885
DE985
JW272
15
16
23
22
24
3
1
2
25
27
26
3
2
4
7
8
6
CLAMP
Q203
Q204
Q204
ANALOG
SWITCH
7
9
DOT-CLOCK
GENERATOR
CIRCUIT
SERIAL
INPUT
CONTROL
VIDEO
SIGNAL
GENERATOR
CIRCUIT
OSC
8
9
1
2
3
13
12
11
10
9
8
OSD_DATA
OSD_CLK
OSD_CS
+5V
BUFFER
IC1141
CIN
YIN
VIN
CS
SCLK
SIN
CT252
L251
VIDEO
PHASE
SYNC
DATA
EXS
XS
CLOCK
X251
14.31818MHz
VOUT
YOUT
COUT
VOUT
YOUT
COUT
VIN
YIN
CIN
ON-SCREEN-DISPLAY CONTROL
IC252
VIDEO
DRIVER
IC253
9
VIDEOL(1)
SECTION
• Signal path
: VIDEO
(Page 7)
(Page 7)
9
9
STR-DE885/DE985
7. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
57
EEPROM
IC1131
58
99
100
5
6
16
112
1
+5V
BUFFER
IC171
2
3
4
5
6
10
9
8
13
12
11
28
70-37
8-24
23-2
110
109
52
54
55
132
111
30
113
31
114
5
6
7
8
4
2
30
31
15
1
RV101
MASTER
VOLUME
VOLUME
3
14
32
13
1
RV102
FUNCTION
3
12
11
1
RV103
ROTARY ENCODER
(JOG DIAL)
3
10
SDA
X1
X0
EEPROM.SDA
SPK_SEL
SOTI
SINI
FLASH1
FLASH2
FLASH2
MD2
MD0
RESET
MD0
RESET
MD2
RESET
IC1111
MD0
RSTX
AD1
AD2
AD3
AD4
AD5
CURSOR_JOB_3A
CURSOR_JOB_3B
FUNCTION_JOB_1A
FUNCTION_JOB_1B
VOL_JOG_2A
LED_DRV_CLR
LED_DRV_CE
LED_DRV_CLR
LED_DRV_DATA
CLR
LAT
CLK
DIN
VOL_JOG_2B
EEPROM.SCL
SCL
62 PW_ON/OFF
1
2
133
134
135
136
S118
2ND ROOM
KEY NETWORK
S101-107
KEY NETWORK
S111-117
KEY NETWORK
S121-127
KEY NETWORK
S131-136
DE985
S147
ON
SCREN
KEY NETWORK
S141-146
DE985
+3.3V
(STBY)
8
CNP503
6
1
1
2
3
DIN
P2-35
G1-22
F1
F2
F2
CLK
LAT
CL
DATA
CLK
CLK
STB
CLR
CLR
HVO26-59 HVO3-24
FL DISPLAY
DRIVER
IC101
FL101
FLUORESCENT
INDICATOR
TUBE
LED DRIVER
IC102
D101-117
(KEY BACK LIGHT)
X1101
16.5MHz
S151
SPEAKER
A/B
S161
I /
FLASH
PROGRAMMING
SYSTEM
CONTROL
IC1101 (5/6)
17
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