Sony STR-DE697, Service Manual

Page: 18 / 64

STR-DE697
18 18
4-5. BLOCK DIAGRAM — VIDEO SECTION —
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
PB/CB/B-Y
PR/CR/R-Y
Y
B C A
PB/CB/B-Y
PR/CR/R-Y
J301 (1/2)
J201 (1/2)
14 11
75 Ω
DRIVER
6dB AMP
4 9
75 Ω
DRIVER
6dB AMP
15
6
3
5
1 13
75
Ω
DRIVER
6dB AMP
10 6 14 2
13
J200 (1/2)
5
3
4
VIDEO 2
IN
DVD
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
-4
-5
-6
-1
-2
-3
Y
PR/CR/R-Y
PB/CB/B-Y
J301 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-7
15
75 Ω
DRIVER
6dB AMP
1
3 1
75 Ω
DRIVER
6dB AMP
-3
J200 (2/2)
J201 (2/2)
-8
-9
-1
VIDEO 1
J298 (1/2)
VIDEO
IN
-1
VIDEO 3
VIDEO 2
DVD
-2
VIDEO
IN
-1
VIDEO
OUT
VIDEO 1
-2
VIDEO
OUT
MONITOR
+5V
REG
IC807
+5V-3
3 2
-5V
REG
IC804
-5V-3
V SW1
V SW2
V SW3
V SW4
CTRL A1
SW1
SW2
SW3
SW4
D203,204
OR
VEE
-5V-3
VCC
+5V-3
+15V
-15V
V1.OUT
M.OUT
VEE
-5V-3
SW4
SW3
VCC
+5V-3
V1
V2
DVD
V3
NC
SW2 SW4 SW3 SW1
SW2 SW3 SW4 SW1 SW5
VIDEO
SELECTOR
IC203
VIDEO AMP
IC302
COMPONENT VIDEO SELECTOR
IC301
Q301
INV.
7
9
KEY/DISPLAY
SECTION
E
OR
EXCEPT AEP,UK MODEL
J253 (1/2)
J252 (1/2)
J252 (2/2)
S-VIDEO
IN
-2
VIDEO 1
S-VIDEO
IN
-1
DVD
S-VIDEO
IN
-2
VIDEO 2
13
3
5
10 6 14 2
15
75 Ω
DRIVER
6dB AMP
1
75
Ω
DRIVER
6dB AMP
13
5
3
10 6 14 2
15
75 Ω
DRIVER
6dB AMP
1
75
Ω
DRIVER
6dB AMP
Y
C
G
G
J253 (2/2)
S-VIDEO
OUT
-1
VIDEO 1
CTRL A1
J254
EXCEPT AEP,UK MODEL
Y
C
G
G
S-VIDEO
OUT
MONITOR
Y
C
G
G
Y
C
G
G
Y
C
G
G
J251
VEE
-5V-3
VCC
+5V-3
VEE
-5V-3
VCC
+5V-3
V1.OUT
M.OUT
V1.OUT
M.OUT
V1
DVD
V2
7
9
NC
V3
V1.IN
DVD
V2
SW2 SW4 SW1 SW5
SW2
SW4 SW1 SW5
SW2
1
9
NC
V3
SW2
SW4 SW1 SW5
SW4
4
4
SW3
SW3
SW3
SW3 SW1 SW5
Y SWITCH
IC251
C SWITCH
IC252
D251,252
• Signal path
: VIDEO
(Page 19)