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
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
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
C869
22
16V
NP
X850
13875KHz
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
B850
BL02RN1-R62
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:
W859
W861
W857
W854
W853
W860
W858
W865
W849
W883
L851
10uH
L852
10uH
C865
100
6.3V
YK
C868
100
6.3V
YK
C855
0.022
B
C861
0.01 B
C883
0.022
B
C864
0.01
B
C879
220P CH
C867
0.01
B
C852
0.1
M
C858
100P
CH
C860
100P
CH
C877
0.1
T
F
C881
220P
CH
C880
15P
CH
C884
15P CH
C886
0.022 B
C876
0.1
B
C856_1
56P
SL
C850
56P
SL
R851
2.2K
R867
33K
R854
330
R857
220
R855
220
R853
220
R852
1K
R864
100
R865
100
R879
1K
R875
56K
R881
150
R856
10K
Q852
2SC2412K
SYNC BUFFER
Q851
2SC1815Y
BUFFER
TEXT_SYN
TEXT-B
TEXT-G
TEXT-R
TEXT-Y
T_TEXT_VIDEO
SDA
SCL
T_TEXT_RESET
AT+5V
PCB010
TMX471
T’TEXT SCHEMATIC DIAGRAM
(MAIN PCB)
17
G-16
G-15
NC
4.6
1.46
2.1
0.3
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
FLAG2
FLAG1
REF.
RGB SET
AGND
RED
GREEN
TEST5
SYNC
VIDEO
RSTB
CLK.IN
DGND
TEST1
BLUE
BLANK
SDA
SCL
TEST3
WIND
TEST4
TDATA
TCLK.
CSB
NC
TEST2
AVCC
DVCC
1.1
1.1
2.2
2.2
4.9
4.2
4.9
4.9
4.5
4.9
4.9
4.9
3.5
3.5
4.0
1.0
DVCC
OSC OUT
DGND
TDATA
TCLK.
TSTAPLB
OSC1
OSC2
AVCC
CREF.
AGND
BIAS
2.2
2.5
4.9
1.6
SCAN-0
SYNC
DGND
WIND
TSIG
SSIG
CSIG
AGND
4.5
4.9
1.8
1.7
2.2
NC
FROM/TO IF/CHROMA/SOUND AMP
TO IF/CHROMA/SOUND AMP