Sony STR-DE845 - Manual (Page 12)

12 12
STR-DE845/DE945
VIDEO SELECT
IC2005
Y SWITCH
IC252
C SWITCH
IC251
VIDEO BUFFER
IC2002
X2002
14MHz
CLOCK
IC2001
05
J299-2
(DE945)
J2003
J2002
VCC
VEE
+5V
–5V
SW1
16
8
14
V1 OUT 15 3 TV
5 LD
13 V1 IN 1 M OUT
6 SW4
4 SW3
10 SW2
14 SW1
Y
C
V1 OUT 15 3 TV
5 LD
13 V1 IN 1 M OUT
6 SW4
4 SW3
10 SW2
14 SW1
C IN
10 9 8 11
4
Y IN 2
V IN 3
6 C OUT
8 Y OUT
7 V OUT
VBLK 6 26 C OUT
27 Y OUT
25 V OUT
8
10
EXS
HSYNC VSYNC TEST
SW2
SW3
SW4
D2003 D2004
VIDEO (SW1)
SYSTEM CONTROLLER
IC1201 (2/2)
VIDEO (SW2)
VIDEO (SW3)
VIDEO (SW4)
10
4 75
76
77
72 6
SW5
M OUT
V3
TV
LD
V2 OUT
V2 IN
V1 OUT
V1 IN3
2
1
7
3
5
11
9
15
13
VIDEO IN
VIDEO IN
VIDEO OUT
VIDEO IN
VIDEO OUT
VIDEO IN
VIDEO VIDEO 3
INPUT
TV/SAT
S-VIDEO IN
TV/SAT
DVD/LD
J2001
VIDEO OUT MONITOR
VIDEO 1
VIDEO 2
Y
C
Y
J253-1
S-VIDEO IN
DVD/LD
J253-2
S-VIDEO IN
VIDEO 1
J252-1
C
Y
C
S-VIDEO OUT
VIDEO 1
J252-2
SCLK 22
SIN 23
CS 24
OSD VBLK 56
OSD CLK 26
OSD DOUT 28
OSD VSYNC 55
OSD LAT
MODE
CONTROL
IC102
100
YIN 1
VIN 3
CIN 2
EXHSYN
CNP253
(FOR CHECK)
12
IN
VSYNC
D2002
D2005
IC2008
SYNC
IC2006
SYNC
Q2001, 2002
HSYNC 2
1
4
Y
C
S-VIDEO OUT
MONITOR
J251
IC2004
OSD DRIVER
11 21
IN
VSYNC
HSYNC 2
1
4
4-2. BLOCK DIAGRAM – MAIN Section (2/2) –