Read Sony STR-DE885 / STR-DE985 (serv.man2) Service Manual online
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)
Click on the first or last page to see other STR-DE885 / STR-DE985 (serv.man2) service manuals if exist.