Onkyo TX-L55, Руководство по обслуживанию

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TX-LR552
IC BLOCK DIAGRAMS AND DESCRIPTIONS
TX-LR552
DAC2
DAC1
PEDESTAL
CLAMP
Y DL
fsc
TRAP
SUB-
CONTRAST
Y OFFSET
SW
DAC
TEST
I C BUS
CONTROL
Ys
PEDESTAL
CLAMP
PEDESTAL
CLAMP
OFFSET
SW
HI:2CH/LOW:24h
SW
SW
YUV RGB
MATRIX
CP/HP
IN
SCP
V C/D
H C/D
32fH
VCO
H. AFC
NOSE
DET
1 2 3 4 5 6 7 8 9 10 11 12 13 14
38 37 36 35 34 33 32 31 30 29 28 27 26 25
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
VCXO
SUB
COLOR
ACC
TOF
SW
P/N ID
CW
MATRIX
TINT
DEMO
CHROMA
BLK
V
SEP
SYNC
SEP
APC
BPF
LPF/fsc
TRAP
SYSTEM
fsc
1H DL
CONTROL
SECAM
CONTROL
CbCr/UV
SW
2
Y DL
SW
DAC1
Y IN
DAC Vcc
C Vcc
UV/CbCr SW
fsc OUT
1HDL CONT
SECAM CONT
B-Y/Cb OUT
R-Y/Cr OUT
SW GND
ADRS SW
R-Y/R OUT
B-Y/B OUT
Y/G OUT
SW Vcc
SYNC Vcc
CP/HP IN
Dig GND
SCP OUT
D
A
C2
Y OUT GND D
A
C TEST
SD
A
SCL Ys R-Y1 IN B-Y1 IN Y1 IN I C GND R-Y2 IN B-Y2 IN Y-
2
I
N
2
4.3MHz
M-X'tal
3.58MHz
APC
C GND
C IN
V
-SEP
SYNC IN
SYNC OUT
H.AFC
SYNC GND
32fH VCO
VD OUT HD OUT
X'tal X'tal
(5V)
(5V)
(9V)
(9V)
TH=0.7V HI;1IN LO
W;
2IN
( )
TA1270BF(PAL/NTSC Video Chroma and Sync.
Processing system for PIP/POP/PAP)