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Chroma/Tuner Block Diagram
FM-ANT.
FROM
(PATTERN)
SERVO/ SYSTEM
FM/FM-TV-SW
CONTROL BLOCK
TU001
IF
11
FM-ANT 2
1
AGC
5
SDA
4
SCL
8
FSC
SCL
FROM/TO
SDA
SERVO/SYSTEM
C-SYNC
CONTROL BLOCK
AFT
IC201
(SYSTEM CONTROL/OSD)
1-8-7
IC100 (IF SIGNAL PROCESS)
SF001
SAW
20
VIF
FILTER
21
AMP
16
AFT
14
AMP
RF
17
AGC
IC301 (VIDEO/AUDIO/CHROMA/DEFLECTION)
31
14
SERIAL
15
I/F
INTELLIGENT
6
MONITORING
SYNC
SEPARATION
V-SYNC
PROCESS
CIRCUIT
CV-IN
56
16
OSD-R
64
12
OSD-G
63
11
OSD-B
62
10
OSDT-BLK
60
13
WF18
V-SYNC
59
9
WF17
H-SYNC
58
8
WF10
35
34
REC-AUDIO SIGNAL
CF031
VIDEO
4.5MHz
5
3
DET
TRAP
CF032
VCO
4.5MHz
8
FILTER
LPF
IF AGC DET
TUNER
VCR
LINE
TUNER
VCR
LINE
CHROMA
CHROMA
TRAP
BPF
LUMA
CHROMA
SIGNAL
SIGNAL
PROCESS
PROCESS
CIRCUIT
CIRCUIT
H-SYNC
PROCESS
CIRCUIT
OSD MIX/RBG MATRIX/
BLIGHT/DRIVE AMP/
HV BLANKING
REC VIDEO SIGNAL
PB VIDEO SIGNAL
MAIN CBA
EQ
1
AMP
FM
AF
11
DET
AMP
VCO F/B
7
FM/TV-SW
2
23
25
20
X301
3.58MHz
FILTER
VXCO
18
TUNING
CL502B
2
3
4
TP302
AFC
WF11
40
41
5
1-8-8
Mode : SP/REC
TU VIDEO
TO VIDEO BLOCK
TU AUDIO
TO AUDIO BLOCK
FROM
EXT-L
SERVO/ SYSTEM
FM/TV-SW
CONTROL BLOCK
VIDEO
FROM
VIDEO BLOCK
LINE-VIDEO
2
RED
TO
CRT/H.V. BLOCK
3
GREEN
CL502A
4
BLUE
AFC
H-DRIVE
FROM/TO
ACL
CRT/H.V. BLOCK
V-RAMP-NF
V-DRIVE
T5408BLC
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