WAVEFORMS
L17WF
9-1
1DIV: 2V 20
µ
s
Q 1511 Base
WF1
1DIV: 2V 20
µ
s
Q 1521 Base
WF2
1DIV: 2V 20
µ
s
Q 1531 Base
WF3
1DIV: 20V 20
µ
s
Q 1511 Collector
WF4
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: 20V 20
Q 1531 Collector
WF6
1DIV: 20V 20
µ
s
Q 1521 Collector
WF5
1DIV: 10V 20
µ
s
Q 572 Collector
WF7
1DIV: 5V 20
µ
s
Q 571 Base
WF8
WF1 ~ WF15 =
Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
µ
s
Summary of Contents for CB130DR8
Page 1: ...SERVICE MANUAL 13 DIGITAL ANALOG COLOR TELEVISION CR130DR8 ...
Page 33: ...8 3 Main 1 4 Schematic Diagram P7100SCM1 ...
Page 34: ...8 4 P7100SCM2 Main 2 4 Schematic Diagram ...
Page 35: ...8 5 Main 3 4 CRT Schematic Diagram P7100SCM3 ...
Page 37: ...8 7 DTV Module 1 2 Schematic Diagram P7100SCD1 ...