Sylvania SRT2232S Service Manual page 23

Video/System Control Block Diagram
WF15
FROM IF/VIDEO C-IN
INPUT SELECT
BLOCK DIAGRAM
Y-IN
WF14
FBP
H-DRIVE
WF11
V-DRIVE
FROM/TO CRT/H.V.
BLOCK DIAGRAM
ACL/ABL
PROTECT 1
PROTECT 2
WF2
SW101-SW106
KEY SWITCH
RCV101
REMOTE
SENSOR
6-3
IC333 VIDEO SIGNAL PROCESS/TV MICON
CHROMINANCE
SW
48 ACC DEMOD
SIGNAL PROCESS
LUMINANCE
50 CLAMP SW
SIGNAL PROCESS
SYNC
SEPARATION
33 H.SYNC
SIGNAL
31
PROCESS
V.SYNC
SIGNAL
27
PROCESS
18 ACL/ABL
5 PROTECT 1
6 PROTECT 2
53 C-SYNC-OUT
59 C-SYNC-IN
3 KEY-IN
60 REMOCON
RGB
RGB RGB DRIVE
SIGNAL
OSD SW
MATRIX /CUT-OFF
PROCESS
OSD
CONTRAST
OSD
MAIN CBA
WH301A TO WH301B
B
24 5 BLUE
G
23 4 GREEN
R
22 3 RED
CN151
(NO CONNECTION)
2
4 I C OPEN
6 SDA
7 SCL
CN151 is used for
adjustment at factory.
IC151
I 2 C OPEN 72 7 I 2 C OPEN
5 SDA
6 SCL
SDA 70 SDA
SCL 71 SCL
RF AGC 64 RF AGC
AFT 4 AFT
Q152
INPUT 0 68 INPUT 0
Q151
INPUT 1 73 INPUT 1
FSC 40 FSC
A-MUTE-H 67 A-MUTE-H
VOLUME 62
VOLUME
INPUT 0
INPUT 1
SDA
SCL
DG-ON-H 56 DG-ON-H
P-ON-H 65 P-ON-H
+5V CTRL 47 +5V CTRL
+8V CTRL 19 +8V CTRL
D101
POWER
+5V
Q101
6-4
VIDEO SIGNAL
TO CRT/H.V.
BLOCK DIAGRAM
FROM/TO IF/VIDEO
INPUT SELECT
BLOCK DIAGRAM
TO AUDIO
BLOCK DIAGRAM
TO POWER SUPPLY
BLOCK DIAGRAM
L6250BLV