Orion 21MT9, Руководство по обслуживанию

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A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC851 ET317
DATA SLICER IC
1
10 11
12
13
14
15
16
17
18
19
2
20
3
4
5
6
7
8
9
IC850 ET106
DECORDER IC
1
10
11
12
13
14 15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
3
4
5
6
7
8
9
CP852B
IMSA-9130S-05L
1
2
3
4
5
C869
22
16V
NP
CP851B
IMSA-9130S-06L
1
2
3
4
5
6
Q851
2SC1815Y
BUFFER
Q852
2SC2412K
SYNC BUFFER
R885
10K
R870
1K
R879
1K
R865
100
R864
100
R852
1K
R853
1K
R855
1K
R857
1K
R869
1K
R854
330
R867
15K R851
2.2K
R881 150
R880
22K
R871
22K
R875
56K
C886
0.022 B
C887
56P CH
C884
15P CH
C880
15P
CH
C881 220P
B
C876 0.1
B
C877 0.1
TF
C860
100P
CH
C852
0.1
M
C867
0.01
B
C879
220P B
C864
0.01
B
C883
0.022
B
C861
0.01 B
C855
0.022 F
C858
100P
CH
C868
100
6.3V
YK
C865
100
6.3V
YK
L852
10uH
L851
10uH
C870
100 16V YK
W864 W868
W851
W870 W865
W858
W860
W853
W854
W857
W861
W859
W867
W863
X850
13875KHz
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:
B850
LFP3A-M3R2TA
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
FROM/TO IF/CHROMA/SOUND AMP
AV_VIDEO_2
30
SDA
SCL
AT+5V
T_TEXT_RESET
TEXT-Y
TEXT-R
TEXT-G
TEXT-B
G-18 G-17
PCB150
TE9A15
(CP852A)
(CP851A)
TO IF/CHROMA/SOUND AMP
2.2
1.7
1.8
4.9
4.5
AGND
CSIG
SSIG
TSIG
WIND
DGND
SYNC
SCAN-0
1.6
4.9
2.5
2.2
BIAS
AGND
CREF.
AVCC
OSC2
OSC1
TSTAPLB
TCLK.
TDATA
DGND
OSC OUT
DVCC
1.0
4.0
3.5
3.5
4.9
4.9
4.9
4.5
4.9 4.9
4.2
4.9
2.2
2.2
1.1
1.1
DVCC
AVCC
TEST2
NC
CSB
TCLK.
TDATA
TEST4
WIND
TEST3
SCL
SDA
BLANK
BLUE
TEST1
DGND
CLK.IN
RSTB
VIDEO
SYNC
TEST5
GREEN
RED
AGND
RGB SET
REF.
FLAG1
FLAG2
0
0
0
0
0
0
0
0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.9
0.3
SYNC
GND
NC
2.1
1.46
4.6
T’TEXT SCHEMATIC DIAGRAM
(T’TEXT PCB)