Sylvania 6509DD Service Manual page 30

Video/System Control Block Diagram
TU1001 WF1
(TUNER UNIT)
VIDEO 17
AFT 16
SCL 9
SDA 10
EXT.CLK 13
IC1202
WF16
(MEMORY)
CS 7
SCL 6
SDA 5
JK1701
VIDEO-IN
FROM DIGITAL SIGNAL TP1733 J1734
WF17
PROCESS BLOCK
DVD-Y DVD-C
(DVD SECTION) CN1731
CN601
DVD-Y 12
DVD-C 10
WF18
TP1301
VIDEO-OUT
BLOCK DIAGRAMS < TV SECTION >
IC1201
TV MICON/VIDEO
/CHROMA
/DEFLECTION
69 AFT
32
57 I2C-OPEN
58 SCL
56 SDA
26 TUNER
TUNER/LINE
LUMINANCE
PROCESS
24 CIRCUIT
LINE
DVD
TUNER/LINE
CHROMINANCE
PROCESS
CIRCUIT
DVD
Q1738
BUFFER 30
Q1737
BUFFER 29
LPF
WF2
14
11 OSD
1-9-1
VIDEO (TUNER/LINE) SIGNAL
+9V
X1301
3.58MHz
16 31
VCXO
POWER
MANAGE.
RGB OSD SW
MATRIX CONTRAST
/COLOR BRIGHTNESS
CHROMA
CONT
COMB
/BASEBAND
TINT
H-SYNC
PROCESS
CIRCUIT
V-SYNC
PROCESS
CIRCUIT
DVD VIDEO SIGNAL
MAIN CBA
C1603
Q1621
CS 59 18
20
Q1622
SDATA 60
21
Q1623 22
SCLK 61
REMOTE-OUT 64
28 +5V-CTRL
P-ON-H 78 P-ON-H
RESET 12 RESET P-DOWN
Q1261
RS1201
REMOTE
REMOTE 70
SENSOR
KEY-0 66
KEY
KEY-1 67 SWITCH
DVD-H 75 DVD-H
EXT-L 76 EXT-L
JACK-MUTE 55 JACK-MUTE
VOLUME 62 VOLUME
DVD-MUTE 65 DVD-MUTE
SPOT-KILL 72
CN1302
RGB DRIVE 52
/CUT OFF
51
/H.V. BLK
50
CN1302
53
46
45
38
37
1-9-2
FROM/TO
CS
DVD SYSTEM
SDATA
CONTROL BLOCK
SCLK
(DVD SECTION)
REMOTE
CN401
FROM/TO
POWER SUPPLY BLOCK
FROM/TO
AUDIO BLOCK
12 BLUE
10 GREEN
11 RED
FROM/TO
CRT/H.V. BLOCK
CN503
7 ACL
4 H-DRIVE
3 AFC
8 V-DRIVE
5 V-RAMP-F/B
TD001BLV