Sony STR-DE898 - Fm Stereo / Fm-am Receiver, Руководство по обслуживанию

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STR-DE898/DE998
21 21
STR-DE898/DE998
Ver. 1.1
4-6. BLOCK DIAGRAM — OSD SECTION —
• Signal path
: VIDEO
• Abbreviation
CND:Canadian model
KR : Korean model
TW : Taiwan model
25
2
17
19
23
26
9
27
26
11
10
26
21
I LINE
MEMORY
CNP3501
NTSC/
PAL
SIGNAL
GEN
4FSC
OSC
SERIAL
INPUT
CONTROL
VIDEO
SIGNAL
GEN
OUTPUT
CONTROL
DISPLAY
MEMORY
CONTROL
CG ROM
CHARACTER
VRAM
ANALOG
SW
COLOR
KILLER
DYNAMIC
COMB
FILTER
DAC
7 DAC
ADC
DATA
CLK
LAT
MOD2
MOD1
PNR
SYSTEM
CLOCK
NTPL2
Q3601,3604
(TEST)
1
2
4
V SYNC
H SYNC
TEST
TEST
DATA
XS
EXS
DE998
XNTSC
AD
IN
15
4
9 10 11
MONITOR SELECTOR
IC3651
V OUT
C B A
Y OUT
C OUT
AYO
ACO
28 X443/358
36 SCL
37 SDA
5V-3
24 –(R,Y)
–(B,Y)
C
CVBS/Y H SYNC V SYNC
SECAM
ON SCREEN DISPLAY CONTROL
IC3501
Y/C SEPARATION
IC3601
MONITOR-V/OUT
23
SCPN
Y
U2
V2
Y
U2
V2
CPIN
–(B,Y)
–(R,Y)
CERA
Y
U2
V2
MONITOR-C/OUT
MONITOR-Y/OUT
VIDEO
SECTION
F
MONITOR-V/IN
MONITOR-Y/IN
MONITOR-C/IN
VIDEO
SECTION
E
LPF
Q3621,3622
LPF
Q3631,3632
13
12
2
1
5
3
86
RY3304
J3104 (1/2)
SYSTEM
CONTROL
IC1101 (4/5)
COMP_SEL1
COMP_SEL2
V_MUTE
UP_MUTE
87 M_MUTE
43 UPCON_DATA
RY3303
TV/SAT
IN
COMPONENT
VIDEO
-1
-2
-3
-4
-5
-6
DVD
IN
MONITOR
OUT
Y
J3104 (2/2)
-7
-9
-8
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
Y
Y
P
B
/C
B
/B-Y
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
P
R
/C
R
/R-Y
COMPONENT
VIDEO
UPCON_CLK 111
OSD_ON/OFF 108
64
40
66
1 2
IC3253
X3701
3.5795MHz
(US,CND,KR,TW MODEL)
X3703
500kHz
X302
4.43MHz
(EXCEPT US,CND,KR,TW MODEL)
DELAY LINE
IC3721
SYNC
SEP
RELAY
CONTROL
Q3302
RY3302
RY3301
VIDEO AMP
IC3321
UP CONVERTER
IC3701
MUTE1 MUTE2
RELAY CONTROL
Q3301,3304
H/V
SEPA
Q3701
SYNC DET
Q3252
1
8
4
5
VIDEO AMP
IC3741
SIN
SCLK
CS DATA
CLK
LAT
Q3651-3653
8
11
3
9
12
2
106105107
11
10
9
3
4
7
32 34 39 38 30
14
5 13
11
13
15
12
4
1
3 10
1 11 18
1
4 13 7
7
10 3
15 6
11
24
4
23
22
7
21
16
22
10
CT3502
X3501
14.31MHz
COLOR
BURST
9
8
IC1141
BUFFER
OSD_DATA
OSD_CLK OSD_LAT
MUTE CONTROL
Q3677,3678
SYNC DET
Q3731
IC2102 (1/2)
Q3502
AVCC VCC
Q3503
Q3675,3676
Q3671,3672
VIDEO AMP
IC3671
Q3673,3674
UP CONVERT
SELECTOR
IC3751
POWER SW
Q3501
3
1
4
2
A
B
C
MUTE2 MUTE1
PLL 37
16
14
5
12
LINE
MEMORY
S/H
LINE
MEMORY
S/H
PLL
75 Ω
DRIVER
75
Ω
DRIVER
75 Ω
DRIVER
EXCEPT US,CND,KR,TW MODEL
EXCEPT
DE898:
US,CND,
KR,TW
MODEL
75 Ω
DRIVER
75 Ω
DRIVER
75 Ω
DRIVER
SYNC
SEPARATION
1
2
IC3731
14
SHIFT
UP
(Page 19)
(Page 19)