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

4-6. BLOCK DIAGRAM — OSD SECTION —
(Page 19)
DE998
ON SCREEN DISPLAY CONTROL
EXS
X3501
8
14.31MHz
XS
9
CT3502
CNP3501
V SYNC
1
11
H SYNC
2 10
(TEST)
SIGNAL
TEST
4 21 TEST
IC1141
DATA SIN
9 8 23
SERIAL
CLK SCLK
12 11 22
EXCEPT
BUFFER
LAT CS
CONTROL
DE898:
2 3 24
US,CND,
KR,TW
MODEL
106105107
OSD_ON/OFF 108
86
UP_MUTE
M_MUTE 87
UPCON_DATA 43
UPCON_CLK 111
SYSTEM
CONTROL
IC1101 (4/5)
64
V_MUTE
COMP_SEL2 40
RELAY
COMP_SEL1 66 CONTROL
Q3302
J3104 (1/2)
-1
Y
-2
P /C /B-Y
B B
TV/SAT
IN
-3
P /C /R-Y
R R
COMPONENT
-4
VIDEO
Y
-5
P /C /B-Y
B B
DVD
IN -6
P /C /R-Y
R R
STR-DE898/DE998
MONITOR-V/IN
VIDEO
E
MONITOR-Y/IN
SECTION
MONITOR-C/IN
MONITOR SELECTOR
IC3651
IC3501
12
14
V OUT
4FSC
25 13
OSC
2
15
Y OUT
27 1
ANALOG
COLOR
SW
5
BURST
4
C OUT
26 3
C B A
VIDEO
9 10 11
NTSC/ OUTPUT
SIGNAL
PAL CONTROL
GEN
GEN
DISPLAY
CG ROM
MEMORY
CHARACTER
CONTROL
IC3731
1
SYNC
DATA VRAM
INPUT SEPARATION
2
AVCC VCC
4 7
SYNC DET
Q3731
POWER SW
5V-3
Q3501
Q3502 Q3503
IC2102 (1/2)
MUTE CONTROL
3 4
Q3677,3678
SHIFT
UP
1 2
X3701
3.5795MHz
(US,CND,KR,TW MODEL)
X302
4.43MHz
(EXCEPT US,CND,KR,TW MODEL)
RY3303
RY3304
SYNC DET
Q3252
IC3253
SYNC
1 2
SEP
Y/C SEPARATION
IC3601
Q3601,3604 AD
IN
2 ADC
17 MOD2
DATA
DYNAMIC
19 MOD1
CLK COMB
23 PNR
FILTER
LAT
I LINE
NTPL2
26
MEMORY
SYSTEM
37 PLL
CLOCK
VIDEO AMP
IC3671
Q3671,3672
75Ω
7
DRIVER
Q3673,3674
3 5 13 12 75Ω
4
DRIVER
11 A
Q3675,3676
10 B
75Ω
1
9 C
DRIVER
4 14
UP CONVERT MUTE2 MUTE1
SELECTOR
10 3
IC3751
H/V
SEPA
Q3701
DELAY LINE
32 34 39 38 30
LINE
37 SDA 24 16
–(R,Y)
MEMORY
36 SCL
26 XNTSC
LINE
–(B,Y) 23 14
MEMORY
28 X443/358
EXCEPT US,CND,KR,TW MODEL
RELAY CONTROL
Q3301,3304
21 21
VIDEO AMP
IC3741
AYO
LPF
DAC 9 1 4
Q3621,3622
COLOR
KILLER
ACO
LPF
DAC 7 8 5
Q3631,3632
MONITOR-V/OUT
11
VIDEO
F
13 MONITOR-C/OUT
SECTION
(Page 19)
15 MONITOR-Y/OUT
UP CONVERTER
IC3701
CERA 1
IC3721
11 21 –(R,Y)
S/H Y 18
SCPN
PLL 5 16
U2 7
10 CPIN
S/H
V2 6
12 22 –(B,Y)
RY3301
RY3302
J3104 (2/2)
-7
Y
-8
U2
-9
V2
STR-DE898/DE998
Ver. 1.1
X3703
500kHz
VIDEO AMP
IC3321
75Ω Y
1 11
DRIVER
U2
75Ω
4 13
DRIVER
75Ω V2
7 15
DRIVER
MUTE1 MUTE2
10 3
• Signal path
: VIDEO
• Abbreviation
CND:Canadian model
Y
KR : Korean model
TW : Taiwan model
MONITOR COMPONENT
P /C /B-Y
OUT VIDEO
B B
P /C /R-Y
R R