Block Diagram - Osd Section - Sony STR-DE997 Service Manual
Fm stereo/fm-am receiver
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Also See for STR-DE997:
- Service manual (78 pages) ,
- Operating instructions manual (71 pages) ,
- Specifications (2 pages)
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4-6. BLOCK DIAGRAM — OSD SECTION —
TP3501
V SYNC
1
H SYNC
2
(TEST)
TEST
4
OSD-DIN
KEY/DISPLAY
F
OSD-CLK
SECTION
OSD-CS
(Page 16)
X3501
14.31MHz
CT3501
UPCON DATA
43
111
UPCON CLK
SYSTEM
CONTROL
IC1101 (4/5)
OSD ON/OFF
108
V MUTE
64
COMP SEL2
40
COMP SEL1
66
CONTROL
J3104 (1/2)
-1
Y
-2
P
/C
/B-Y
TV/SAT
B
B
IN
-3
P
/C
/R-Y
R
R
COMPONENT
-4
VIDEO
Y
-5
DVD
P
/C
/B-Y
B
B
IN
-6
P
/C
/R-Y
R
R
STR-DE997
MONITOR-V/IN
VIDEO
G
MONITOR-Y/IN
SECTION
MONITOR-C/IN
(Page 15)
ON SCREEN DISPLAY CONTROL
IC3501
V IN
V OUT
3
25
ANALOG
Y IN
Y OUT
2
27
SW
C OUT
C IN
1
26
VIDEO
NTSC/
OUTPUT
SIGNAL
11
PAL
CONTROL
GEN
10
SIGNAL
GEN
21
TEST
DISPLAY
CG ROM
MEMORY
CHARACTER
CONTROL
SIN
23
SERIAL
SCLK
DATA
VRAM
22
INPUT
CS
CONTROL
24
EXS
8
4FSC
COLOR
9
OSC
BURST
XD
DOT
VIDEO
16
CLK
PHASE
EXD
15
GEN
SYNC
OSD SWITCH
Q3501-3503
IC3253
SYNC
1
2
SEPARATION
RY3303
RELAY
Q3302
RY3304
MONITOR SELECTOR
IC3651
VIDEO AMP
IC3641 (1/2)
12
Q3641
AD
14
1
4
13
IN
2
ADC
2
15
1
5
4
3
C B A
9 10 11
IC3731
SYNC
SYNC DET
1
2
SEPARATION
Q3731
VIDEO AMP
IC3741
H/V
38
V SYNC
1
4
SEPA
Q3701
39
H SYNC
34
CVBS/Y IN
8
5
32
C IN
37
SDA
CLOCK GENERATOR
36
SCL
IC3701
SYNC DET
Q3252
RELAYCONTROL
Q3301,3304
VIDEO AMP
IC3321
VCC
+5V-3
6dB AMP
VOUT1
VIN1
75Ω
1
15
DRIVER
6dB AMP
VOUT2
VIN2
75Ω
4
13
DRIVER
6dB AMP
VOUT3
VIN3
75Ω
7
11
DRIVER
MUTE1
MUTE2
VEE -5V-3
3
10
17
17
Y/C SEPARATION
IC3601
AYO
DAC
15
DYNAMIC
COLOR
COMB
KILLER
FILTER
I LINE
MEMORY
ACO
DAC
7
FIN
SYSTEM
37
PLL
CLOCK
UP CONVERT SELECTOR
VIDEO AMP
IC3751
IC3671
12
14
8
5
13
5
4
1
4
3
C B
A
9 10 11
VIDEO AMP
IC3641 (2/2)
SECAMREF
30
8
5
26
XNTSC
X3701
3.5795MHz
V2 OUT
6
U2 OUT
7
18
Y OUT
RY3301
RY3302
J3104 (2/2)
-7
Y
-8
MONITOR
COMPONENT
P
/C
/B-Y
OUT
B
B
-9
P
/C
/R-Y
R
R
STR-DE997
Y PROCESS
Q3621,3622
C PROCESS
Q3631,3632
MONITOR-V/OUT
VIDEO
H
MONITOR-C/OUT
SECTION
(Page 15)
MONITOR-Y/OUT
• Signal path
: VIDEO
VIDEO
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