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1
QQ
3 7 63 1515 0
WAVEFORMS and VOLTAGES
A
Note : The encircled numbers denote measuring point in the schematic diagram.
N
1/2
DEFLECTION SERVICE ASSY
• Input signal
Input
: INPUT 1 (COMPOSITE)
Video Signal : EIA color-bar
CN501-pin 13 (HDRV)
75
V: 2V/div. H: 5µsec/div.
CN501-pin 10 (HBLK)
76
V: 2V/div. H: 5µsec/div.
B
75
76
Q512 Collector
77
V: 10V/div. H: 5µsec/div.
C
TE
L 13942296513
Q511 Collector
78
V: 200V/div. H: 5µsec/div.
D
Q508 Emitter
79
V: 20V/div. H: 5msec/div.
E
601
(MSPAD401)
IC801 (M5220P)
No
Voltage (V)
1
3.9
2
0
www
3
0.6
4
5.0
5
0.1
6
-
F
7
-
8
0
9
12.1
82
1
http://www.xiaoyu163.com
2
CN501 - pin 5 (DF)
80
V: 0.5V/div. H: 5msec/div.
GND
GND
Q701 Emitter
81
V: 200V/div. H: 5msec/div.
GND
Q601 Base (HD)
82
V: 2V/div. H: 5µsec/div.
GND
Q603 Drain
83
V: 100V/div. H: 5µsec/div.
GND
IC502 (NJM4558DXP)
No
Voltage (V)
No
Voltage (V)
1
0
1
5.5
2
0
2
4.0
3
0
3
4.0
x
ao
4
-4.9
4
5
1.6
5
5.0
.
i
6
1.6
6
5.0
7
0.1
7
5.0
8
5.0
8
12.1
2
http://www.xiaoyu163.com
3
Foot of R841
84
V: 1V/div. H: 2msec/div.
GND
Foot of R803
85
V: 1V/div. H: 2msec/div.
GND
Q Q
IC802 - pin 7
3
6 7
86
V: 0.5V/div. H: 2msec/div.
GND
IC802 - pin 5
87
V: 20V/div. H: 2msec/div.
GND
IC802 (LA78045)
No
Voltage (V)
1
0
2
18.9
3
-18.7
u163
0
4
-20.0
y
5
0.7
6
18.6
7
0
PRO-730HD
3
4
2 9
9 4
8
GND
GND
1 3
1 5
0 5
8
2 9
GND
GND
m
co
.
4
2 8
9 9
9 4
2 8
9 9
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