4
、
Block Diagram
I
2
C BUS
SCREEN
FOCUS
Q401
T401
Q402
T402
FBT
Q502/Q504/
Q506 Video
Preamplifier
IC301
LA78041
V-amplifier
Z101
SAW
LBN3
383
IR1001
Key Board
AV1
S Video Y
C
AV2
YCbCr
AV out
AV1 Audio
R/L
AV2 Audio
R/L
Scart
signal
AV Audio out
±
14V 220V 6.3V
HV
V SCAN
H SCAN
IC001
24C16 EEPROM
63
64
61
AGC
31
32
26 29 36 30
MUTE
STB BY
46
45
48 49 51
54
52
5
12
3
13
12
13
14
17
44
21
8
12
FBP
4/5 11 10
15 EW
IC601
LA4235
2 Audio
Amplifie
IC201
LA76933
IFamplifier/ Video detection
/Sound detectionj/ Y&C
Separation/ Color decode/
Base color matrix/ Sync
separation/ display process/
AV switch/ MCU/ OSD
Tuner
Q101 IF
Preamplifier
Antenna
IC901
Scart Audio
R/L
4052
Electron
Switch
Summary of Contents for SY33
Page 18: ...7ÿSchematic Diagram ...
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