Block Diagram - Main Section (2/2) - Sony STR-DB840 Service Manual

STR-DB840/DB940
4-2. BLOCK DIAGRAM – MAIN Section (2/2) –
(DB940)
J810-2
VIDEO 3
7
VIDEO
INPUT
J2003
TV/SAT VIDEO IN 3
5
DVD/LD VIDEO IN
VIDEO OUT 11
VIDEO 2
J2002
VIDEO IN 9
VIDEO OUT 15
VIDEO 1
13
VIDEO IN
Y
J809
VIDEO 3
S-VIDEO
INPUT
7 V3
C
3 TV
Y
J253-1
5 LD
TV/SAT
S-VIDEO IN
C
13 V1 IN
Y
J253-2
DVD/LD
S-VIDEO IN
C
7 V3
3 TV
Y
J252-1
5 LD
VIDEO 1
S-VIDEO IN
C
13 V1 IN
6 C OUT
8 Y OUT
J2001
MONITOR VIDEO OUT 7 V OUT
11 10 9
X2002
14MHz
CLOCK
IC2001
(EXCEPT US, CND)
13 12 1
X2001
17.34MHz
CLOCK
IC2001
05
VIDEO SELECT
IC2005
V3 VCC 16 +5V
VEE 8 –5V
TV SW1 14
10
LD SW2
V2 OUT SW3 4
SW4 6
D2003 D2004
V2 IN
V1 OUT SW5 2
V1 IN3 M OUT 1
Y SWITCH
IC252
V1 OUT 15
Y
14
SW1
SW2 10
SW3 4
C
SW4 6
1
M OUT
C SWITCH
IC251
V1 OUT 15
Y
SW1 14
SW2 10
4
SW3
C
SW4 6
M OUT 1
VIDEO BUFFER OSD DRIVER
IC2002 IC2004
C IN 4 26 C OUT
Y IN 2 27 Y OUT
V IN 3 25 V OUT
(US,CND)
8
8
EXS
FI2003 LPF
EXHSYN
5
6
4 10 11 21
FI2001
9 8
2 1
3
LPF
2 CNP253
10
(FOR CHECK)
COMPARATOR
IC2003
77 VIDEO (SW1)
76
VIDEO (SW2)
SYSTEM CONTROLLER
75 VIDEO (SW3) IC1201 (2/2)
72 VIDEO (SW4)
J252-2
VIDEO 1
S-VIDEO OUT
J251
MONITOR
S-VIDEO OUT
VBLK 6
SCLK 22
SIN 23
CS 24
Q2001, 2002
YIN 1
VIN 3
CIN 2
IC2006
SYNC
D2002
IN 1
12 2
HSYNC
VSYNC 4
IC2008
SYNC
D2005
IN 1
2
HSYNC
4
VSYNC
12 12
DISPLAY
CONTROLLER
IC102 (2/2)
56 OSD VBLK
26 OSD CLK
28 OSD DOUT
100 OSD LAT
RDS
46
SIGNAL INPUT
RDS DECODER
IC1
RDS CLOCK 53 16 RCLK
MUX 4
RDS DATA 54 2 RDAT
55 OSD VSYNC
XI XO
P/N
57 13 14
X1
4.332MHz
(AEP, UK)
RDS SIGNAL
E
(Page 11)
FM DET OUT