Sylvania SRT2227W, Руководство по обслуживанию

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6-2 L2705BLIF
IF/Video Block Diagram
CF31 CF32
VCO F/B
Q31
AG
C
IC31
(IF SIGNAL PR
OCESS)
SA
W
FIL
TER
VIF AMP
VIDEO DET
VCO
4.5MHz FIL
TER
LPF
IF A
GC DET
EQ AMP
RF AG
C
AMP
AFT
4.5MHz TRAP
SIF AMP
16
11
13 18
6
17
4
2 7
1 8
TU11
SF11
IF
AG
C
SD
A
SCL
EXT
.CLK
1
11
5 4 8
14
SIF
MAIN CB
A
VIDEO SIGNAL
RF/IF SIGNAL
A
UDIO SIGNAL
WF16
TO A
UDIO BLOCK
IC111
TV MICON/VIDEO /A
UDIO/CHR
OMA
/DEFLECTION
INPUT0 AFT
-IN
TO SYSTEM CONTR
OL
BLOCK
58
16
56 32
SCL SD
A
TO CR
T/H.V
. BLOCK
WH301A
TO CR
T/H.V
. BLOCK
WH301B
BLUE
5 GREEN
4 RED
3
53 46 45 38 37
AC
L
H-DRIVE FBP-IN RAMP-OUT V
-RAMP-F/B
TUNER LINE
CHR
OMINANCE
PR
OCESS
CIRCUIT
LUMINANCE PR
OCESS
CIRCUIT
H-SYNC PR
OCESS
CIRCUIT V
-SYNC
PR
OCESS
CIRCUIT
VCXO
OSD
RGB MA
TRIX
/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
(REAR) JK701 VIDEO-IN JK711 VIDEO-IN (FR
ONT)
CHR
OMA COMB
BASEBAND
TINT