Sanyo C20LB87B, Руководство по обслуживанию

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IC Block Diagrams
-5-
IC201 < IF/Video/Chroma/Def. > QXXAVB488
VIF IN
IF AGC OUT
AFT
TV IN
EXT IN
AUDIO
OUT
33
29
35
26
37
40
32
13
44
43
11
15
16
12
27 25 24 21 22 41 28 19 20 18 30 23 9 10 14 45
QXXA
VB488
SYNC IN
KILLER FILTER
IDENT FILTER
COLOUR APC
AF AMP
AF AMP
4.5/6.0
SIF IO
ADJ
BUS I/F
FM DET
LIMITTER
B EXIT INPUT R EXIT INPUT G EXIT INPUT V SYNC TRIG
SYNC SEP
.
SYSTEM ID
EQ ELIMINA
TE
BGP GENE.
PHASE CONT
KILLER DET
LOCK DET
ID DET
CHROMA APC DET
PA
L
SW
SECAM FF
SELF ADJ
V
.RAMP
AFC
AFC
1H DL
VCXO
ACC DET
F/F
2ND AMP
CHROMA BPF
1ST
AMP
(ACC)
HPF
AFT AFT
OUT
VIDEO
MUTE
H ST
OP
H.PHASE
AUDIO MUTE SW
SDA SCL FAST
BLK
B IN
R IN
B-OUT
R- OUT G-OUT
G-IN
H-VCC SECAM REF
V
.SIZE
SER
VICE
SW
H-OSC
SELF ADJ.
CLAMP
50/60 OUT
R
TINT
B
R
DRIVE
B
G
ABCL
ABCL
ID CUT
BLUEBACK
WHITE BACK
COLOR
CONTRAST
SER
VICE
BRIGHT
ST
A
TION DET
ST
A
TION
SYSTEM SET SYSTEM
IF AGC
DELA
Y
ADJ
DEFEA
T
DL
TIME
DL
FINE
VIDEO
VCC
VIDEO
GND
DEFLECTION
GND
TRAP SW
D.TRAP
F.TRAP
BLACK STRECH OFF
F AGC
VIDEO DET
VIF AMP
APC DET ADJ DET
BLACK STRECH
VIDEO T
ONE
CHROMA TRAP
VIDEO MUTE
CLAMP
SHARPNESS
CONTRAST
DELA
Y
FEF FIL
TER
AGC
R-Y IN
B-Y IN
H OUTPUT
SYSTEM DECODE
BRIGHT
CHROMA DEMODULA
T
O
R
DR/VE AMP
AFC GAIN
RGB MA
TRIX
CONTRAST
32 FH VCO
MUTE DET
HV BLK
VER
TICAL
COUNTDOWN HORIZONT
AL
COUNTDOWN
EXIT AUDIO
IN
GND
VCC
VIF
SIF
SIF IN
47
48
46
1
8
3
42
52
51
50
49
5
4 6 7 2 9 31
38
36
34
39
V
-OUT
V
-FB
V RAMP
BLK
AUDIO
DIRECT
OUT
AF DC
FB
HI VCC
IF OUT
IF APC
IF VCO
IF VCO
BLACK
PEAK ACL/CLK
Y-SW
OUT
X TAL 4.43
X TAL 3.58
BLACK PEAK