Block Diagram - Osd Section - Sony STR-DE895 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
4-6. BLOCK DIAGRAM — OSD SECTION —
MON-V/IN
VIDEO
G
SECTION
MON-Y/IN
(Page 21)
MON-C/IN
(TEST)
OSD-DIN
KEY/DISPLAY
F
OSD-CLK
SECTION
OSD-CS
(Page 22)
T E
L 1 3 9 4 2 2 9 6 5 1 3
MON-V/OUT
VIDEO
H
SECTION
MON-Y/OUT
(Page 21)
MON-C/OUT
w w w
.
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CHARACTER GENERATOR
IC2301
V IN
V CLAMP
3
Q2935
ANALOG
V CLAMP Y IN
2 SW
Q2936
C IN
1
CNP253
VIDEO
V SYNC
NTSC/
1
SIGNAL
10
PAL
H SYNC
GEN
2 11
SIGNAL
GEN
TEST
4 21 TEST
DISPLAY
MEMORY
CHARACTER
CONTROL
SIN
23
SERIAL
SCLK
DATA
22 INPUT
CS
CONTROL
24
EXS
X2301
8
4FSC COLOR
14.31818MHz
9 OSC BURST
XD
DOT VIDEO
16
EXD CLK PHASE
15
GEN SYNC
CT2301
x a o u 1 6 3
y
i
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8
V OUT
VIDEO AMP
25 3 7
Q3100-3102
VIDEO
Y OUT AMP
27 2 8
IC2302
C OUT
26 4 6
OSD DETECT
Q2393,2394
OUTPUT
CONTROL
CG ROM
VRAM
BPF
RELAY DRIVER
Q2390-2392
Q Q
3 7 6 3 1
RY2390
.
23 23
2 4
9 9 8
Y/C SEPARATION
IC3100
AD
IN
4 ADC
DYNAMIC
COLOR
COMB
KILLER
FILTER
I LINE
MEMORY
SYSTEM
PLL
CLOCK
10
CLOCK GENERATOR
IC3101
COMP
BGP
16
GEN
FSC
CHROMA
APC
1 ACC 7
XTAL
4
X3100
3.57MHz
C PROCESS
Q3108-3111
Y PROCESS
Q3103-3107
5 1 5 0 8 9 2 4 9
m
c o
STR-DE895/DE995
2
9 9
Y
DAC 15
C
DAC 13
8 2 9 9
• Signal path
: VIDEO