Block Diagram - Video Section - Sony STR-DE997 Service Manual

4-4. BLOCK DIAGRAM — VIDEO SECTION —
J3103 (1/2)
-2
VIDEO
VIDEO 1
IN
J3101 (1/2)
-2
VIDEO
DVD
IN
-1
VIDEO
TV/SAT
IN
J3102 (1/2)
-2
VIDEO
VIDEO 2
IN
J2702 (1/2)
-1
VIDEO 3
VIDEO
INPUT
J2106 (1/2)
Y
-2 G
S-VIDEO
VIDEO 1
IN
G
C
J2105 (1/2)
-2
Y
G
S-VIDEO
DVD
IN
G
C
J2105 (2/2)
-1 Y
G
S-VIDEO
TV/SAT
IN
G
C
J2701
Y
VIDEO
S-VIDEO
INPUT
C
STR-DE997
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VIDEO
SELECTOR
IC3201
6dB AMP
V1 IN
13
LD
5
6dB AMP
TV
3
6dB AMP
V2 IN
9
V3
7
10 4 6 14 2
OR
D3201,3202
Y SWITCH
IC2101
6dB AMP
V1.IN
13
LD
5
TV
6dB AMP
3
V2 IN
9
V3
7
10 4 6 14 2
C SWITCH
IC2102
6dB AMP
V1
13
LD
5
6dB AMP
TV
3
V2 IN
9
V3
7
10 4 6 14 2
OR
D2102,2103
VCC
+5V-3
V1.OUT
75Ω
15
DRIVER
M.OUT
75Ω
1
DRIVER
V2.OUT
75Ω
11
DRIVER
VEE
-5V-3
J2305
CTRL A1
VCC
+5V-3
V1.OUT
75Ω
15
DRIVER
M.OUT
75Ω
1
DRIVER
VEE
-5V-3
VCC
+5V-3
V1.OUT
75Ω
15
DRIVER
M.OUT
75Ω
1
DRIVER
+9V
IC3103
VEE
-5V-3
+5V
+5V-3 3 1
REG
15 15
J3103 (2/2)
-1
VIDEO
VIDEO 1
OUT
-3
VIDEO
MONITOR
OUT
J3102 (2/2)
-1
VIDEO
VIDEO 2
OUT
SW1
V SW1
SW2
V SW2
SW3
V SW3 KEY/DISPLAY
E
SW4
V SW4 SECTION
(Page 16)
CTRL A1
J2106 (2/2)
Y -1
G
S-VIDEO
VIDEO 1
OUT
G
C
MONITOR-V/IN
OSD
G
MONITOR-Y/IN
SECTION
MONITOR-C/IN
(Page 17)
MONITOR-V/OUT
OSD
H
MONITOR-Y/OUT
SECTION
MONITOR-C/OUT
(Page 17)
J2104
Y
G
S-VIDEO
MONITOR
OUT
G
C
IC3102 IC3101
+9V +12V
+15V
3 1 3 1
REG REG
IC3104
-5V
-15V
-5V-3 3 2
REG
• Signal path
: VIDEO
STR-DE997