Symphonic ST419E - Waveform Specifications

WAVEFORMS
L14WF
8-1
1DIV: 0.5V 20µsec
IC 31 Pin 3
WF1
GND
1DIV: 0.5V 20µsec
IC 111 Pin 14
W
F2
1DIV: 2V 20µsec
Q501 Base
WF3
GND
1DIV: 2V 20µsec
Q 502 Base
WF4
GND
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%
)
1DIV: 0.2V 20msec
IC 31 Pin 11
WF6
1DIV: 2V 20µsec
Q 503 Base
WF5
GN
D
1DIV: 10V 20µsec
Q 572 Collector
WF7
GND
1DIV: 5V 20µsec
Q 571 Base
WF8
WF1 ~ WF16 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)