L15WF
9-2
Input:
NTSC Color Bar Signal (with 1kHz Audio Signal)
INITIAL POSITION:
Unplug unit from AC outlet for at least 5 minutes.
reconnect to AC outlet and then turn power on.
(Brightness---Center Color---Center Tint --- Center Contrast---Approx 70%)
WF1 ~ WF16 =
Waveforms to be observed at
Waveform
check
points.
(Shown in Schematic Diagram.)
1DIV: 200V 20
µ
s
CN 571 Pin 1
WF9
GND
1DIV: 5V 20
µ
s
WH501A Pin 3
WF10
GND
1DIV: 10V 5ms
CN 571 Pin 4
WF12
1DIV: 20V 20
µ
s
Q 1521 Collector
WF14
1DIV: 20V 20
µ
s
Q 1531 Collector
WF13
1DIV: 20V 20
µ
s
Q 1511 Collector
WF15
1DIV: 0.2V 20
µ
s
TU 11 Pin 5
WF16
1DIV: 1V 5ms
IC 551 Pin 7
WF11
GND
Содержание 6427FF
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Страница 46: ...20050316 13 2 L3800CA CRT Warning Label Location CRT CRT Warning Label CRT Type No ...
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