Block Diagram - Video Section - Sony STR-DE898 Service Manual

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3 7 6 3 1 5 1 5 0
4-4. BLOCK DIAGRAM — VIDEO SECTION —
J3103 (1/2)
-2
VIDEO
VIDEO 1
IN
J3101
-2
VIDEO
DVD
IN
-1
VIDEO
TV/SAT
IN
J3102 (1/2)
-2
VIDEO
VIDEO 2
IN
J2702 (1/3) (DE998)
J2052 (1/2) (DE898)
-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
T E
L G 1 3 9 4 2 2 9 6 5 1 3
C
J2105 (2/2)
-1 Y
G
S-VIDEO
TV/SAT
IN
G
C
DE998
J2702 (3/3)
Y
VIDEO
S-VIDEO
INPUT
C
w w w
STR-DE898/DE998
VIDEO
SELECTOR
IC3201
6dB AMP
V1 IN
13
DRIVER
LD
5
6dB AMP
TV
DRIVER
3
6dB AMP
DRIVER
V2 IN
9
V3
7
10 4 6 14 2
OR
D3201,3202
S-VIDEO Y SWITCH
IC2101
V1.IN 6dB AMP
13
75Ω
DRIVER
LD
5
TV
6dB AMP
3
75Ω
V2 IN
9
DRIVER
V3
7
10 4 6 14 2
S-VIDEO C SWITCH
IC2102
6dB AMP
V1
13
75Ω
DRIVER
LD
5
6dB AMP
TV
3
V2 IN 75Ω
9
DRIVER
V3
7
10 4 6 14 2
OR
D2102,2103
x a o
y
. i
http://www.xiaoyu163.com
VCC
+5V-3
V1.OUT
75Ω
15
M.OUT
75Ω
1
75Ω V2.OUT
11
VEE
-5V-3
VCC
+5V-3
V1.OUT
15
M.OUT
1
VEE
-5V-3
Q Q
3 7 6
VCC
+5V-3
V1.OUT
15
M.OUT
1
+9V
IC3103
VEE
-5V-3
+5V
+5V-3 3 1
REG
u 1 6 3
19 19
http://www.xiaoyu163.com
2 4
8 9 9
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 KEY/DISPLAY
D
SW3
V SW3 SECTION
SW4
V SW4 (Page 20)
J2106 (2/2)
Y -1
G
S-VIDEO
VIDEO 1
OUT
G
C
MONITOR-V/IN
OSD
E
MONITOR-Y/IN
SECTION
MONITOR-C/IN
3 1 5 1 5 0 8 9 2
(Page 21)
MONITOR-V/OUT
OSD
F
MONITOR-Y/OUT
SECTION
MONITOR-C/OUT
(Page 21)
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
m
c o
.
STR-DE898/DE998
Ver. 1.1
2
8 9 9
4 9 8 2 9 9