Block Diagram - Key/Display Section - Sony STR-DE695 Service Manual

4-4. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
EXCEPT AEP,UK MODEL
J301 (1/2)
0X
Y 12
-4 1X
13
P B-Y
VIDEO 2 B
-5 0Z
IN 5
1Z
P R-Y 3
R
-6
COMPONENT 0Y
2
-1
VIDEO
1Y
1
Y
-2
P B-Y
B
DVD
IN -3
P R-Y
R
VIDEO
SELECTOR
IC203
J201 (1/2)
-1
V1
VIDEO
VIDEO 1
13
IN
J200 (1/2)
-2
V2
VIDEO
VIDEO 2
5
IN
-1
DVD
3
VIDEO
DVD
IN
J298 (2/2)
-1
V3
VIDEO 3
VIDEO 1 9
IN
NC
7
S-VIDEO
Y SWITCH
IC251
J253 V1
13
Y
-2 G
V2
S-VIDEO
VIDEO 1
5
IN
DVD
3
G
C
J252
-2
Y
G
S-VIDEO
VIDEO 2
IN
S-VIDEO
G
C
C SWITCH
IC252
J252
V1
-1 Y
G 13
S-VIDEO
DVD
IN
V2
5
G
C
DVD
3
COMPONENT VIDEO SELECTOR VIDEO AMP
IC301 IC302
6dB AMP
XCOM
VIN2 75Ω
14 3
DRIVER
6dB AMP
ZCOM
VIN3 75Ω
4 5
DRIVER
6dB AMP
YCOM VIN1
75Ω
15 1
DRIVER
Q301
INH 6
B C A INV.
10 9 11
6dB AMP
75Ω
DRIVER
6dB AMP
75Ω
DRIVER
10 4 6 14 2
OR
D203,204
6dB AMP
75Ω
DRIVER
6dB AMP
75Ω
DRIVER
10 4 6 14 2
6dB AMP
75Ω
DRIVER
6dB AMP
75Ω
DRIVER
10 4 6 14 2
21 21
VCC
+5V-3
J301 (2/2)
VOUT2
11 Y
-7
MONITOR COMPONENT
VOUT3
9
P B B-Y OUT
-8
VOUT1
P R-Y
13 R
-9
VEE
-5V-3
V-SW4
V-SW3
VCC
+5V-3
J200 (2/2)
-3
V1.OUT
VIDEO
VIDEO 1
15
OUT
J201 (2/2)
-2
M.OUT
VIDEO
MONITOR
1
OUT
+V
IC807
VEE
-5V-3
+5V
+5V-3 3 1
REG
-V
-5V
-5V-3 3 2
REG
IC804
VCC
+5V-3
V1.OUT J253
15
Y -1
G
S-VIDEO
VIDEO 1
OUT
M.OUT
G
1
C
VEE
-5V-3
VCC
+5V-3
J251
V1.OUT Y
G
15
S-VIDEO
MONITOR
OUT
G
C
M.OUT
1
VEE
V-SW1
-5V-3
V-SW5
VIDEO SW1
OR
V-SW2
VIDEO SW2
D251,252 V-SW3
VIDEO SW3
V-SW4
VIDEO SW4
STR-DE695
VIDEO
• Signal path
: VIDEO
KEY/DISPLAY
E
SECTION
(Page 22)