Symphonic ST27S3, Руководство по обслуживанию

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L6609BLIF 6-3 6-4
58
16
56
32
SCL
CF31
CF32
VCO F/B
Q31
AGC
SDA
(REAR)
FROM/TO
CRT/H.V. BLOCK
WH301A
TO
CRT/H.V. BLOCK
WH301B
BLUE 5
GREEN 4
RED 3
IF/Video Block Diagram
IC31 (IF SIGNAL PROCESS)
53
46
45
38
37 ACL
H-DRIVE
FBP
RAMP-OUT
V-RAMP-F/B
JK701
VIDEO-IN
SAW
FILTER
VIF
AMP
VIDEO
DET
VCO
4.5MHz
FILTER
LPF
IF AGC DET
EQ
AMP
RF
AGC
AMP
AFT
4.5MHz
TRAP
FM
DET
AF
AMP
20
14
16
22
7
21
5 3
8
1
11
TU1
SF1
IF
AGC
SDA
SCL
EXT.CLK
1
11
5
4
8
17
TU-AUDIO
MAIN CBA
VIDEO SIGNAL RF/IF SIGNAL AUDIO SIGNAL
JK704
VIDEO-IN
WF16
WF6
TO
AUDIO BLOCK
IC111
TV MICON/VIDEO
/AUDIO/CHROMA
/DEFLECTION
(FRONT)
INPUT0
AFT
FROM/TO
SYSTEM
CONTROL
BLOCK
TUNER
LINE
CHROMINANCE
PROCESS
CIRCUIT
LUMINANCE
PROCESS
CIRCUIT
H-SYNC
PROCESS
CIRCUIT
V-SYNC
PROCESS
CIRCUIT
VCXO
OSD
RGB MATRIX
/COLOR CONT
OSD SW
CONTRAST
BRIGHTNESS
RGB DRIVE
/CUT OFF
/H.V. BLK
LPF
52
51
50
X301
3.58MHz
26
24
14
11
WF2
WF1
AGC
TP301