Block Diagram - Daewoo DTK-28 Service Manual

CP-850/F Service Manual

4.5.4 BLOCK DIAGRAM

Offset
comp.
(optional)
6
VIF
7
C AGC
8
15
C BL
11
Tuner
10
Take over
point
27
SIF 2 28
SIF input
switch
3
1
SIF 1
2
5
C AGC
Loop
filter
26 18
FPLL
VIF amp
AGC
(VIF)
Tuner
AGC
SIF amp
AGC
(SIF)
VCO
20 21
VCO
Control
+
phase shift
Video det.
Standard
Supply
FM det.
AM det.
-36-
l' switch
14
19
AFC
switch
AFC
22
AFC
Video
Standard
13
switch
23
V
17
C ref
24
Intercarrier
(FM/NICAM)
25
AF
(AM)
4,9,16