Block Diagram - Sylvania SRT2232S Service Manual

IF/Video Iuput Select Block Diagram
TU1 IC31 IF SIGNAL PROCESS
SF1
SAW 18 VIF
IF 11
FILTER AMP
19
10
CF32
4.5MHz
TRAP
8
TP301
AGC
RF
AGC 1 14
AGC
TP303
AFT
SDA 5
SCL 4
21
FSC 8
13 AFT
SCL
SDA
TO/FROM
RF AGC
VIDEO/SYSTEM
CONTROL
AFT

BLOCK DIAGRAM

INPUT1
INPUT0
FSC
Q49
JK701
V-IN(REAR)
JK721
V-IN(FRONT)
C
Y
JK711
S-V-IN(REAR)
BLOCK DIAGRAMS
CF31
VIDEO 4.5MHz 6dB
HPF 3 1
DET BPF AMP
WF1
Q31
EQL 6 BUFFER
IF
AGC
L33
(45.75MHz VCO)
11
VCO
12
Q702
Q701 Q721
6-1
RF/IF SIGNAL
22
IC781 IN PUT SELECT
REAR
3
4
5
FRONT
SW CTL.
9 10 11
BUFFER
BUFFER
+8V
Q944
VIDEO SIGNAL
TU-AUDIO
TUNER
2
15
13 14 1
LINE
Q798,
Q901
BUFFER
IC901 Y-C SEPARATION
Q936
Y
20
Y/C
4
Q931
SEPA.
C
17
SCL SDA
13 10 9
Q971
IC941 INPUT SELECT
VHS Q951
12
S-VHS 14 BUFFER
13
BUFFER
Q956
VHS
5
S-VHS 4
3
SW CTL.
9 11
MAIN CBA
6-2
AUDIO SIGNAL
TO AUDIO
BLOCK DIAGRAM
TO VIDEO/SYSTEM
C-OUT
CONTROL BLOCK
Y-OUT
DIAGRAM
L6250BLIF