WAVEFORMS
P71D0WF
9-1
1DIV: 50V 20
µ
s
WF1
GND
GND
GND
GND
GND
GND
1DIV: 50V 20
µ
s
1DIV: 5V 20
µ
s
1DIV: 5V 20
µ
s
1DIV: 10V 20
µ
s
WF2
WF3
WF4
GND
Input:
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%)
Pin 1 of CN571
Pin 4 of CN571
Pin 3 of WH501A
WF6
1DIV: 500mV 20
µ
s
Pin 31 of IC301
1DIV: 500mV 500
µ
s
1DIV: 2V 500
µ
s
Pin 3 of IC801
Pin 14 of IC801
WF10
WF11
WF12
1DIV: 10V 5ms
WF5
Pin 7 of IC551
1DIV: 1V 5ms
WF9
GND
GND
GND
GND
GND
Q571 Base
WF7
Q572 Collector
WF8
WF1 ~ WF12 =
Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
Q1512 Collector
Q1522 Collector
1DIV: 50V 20
µ
s
1DIV: 200V 20
µ
s
Q1532 Collector
Summary of Contents for CR320IL8 A
Page 1: ...SERVICE MANUAL 32 DIGITAL ANALOG COLOR TELEVISION CR320IL8 A ...
Page 34: ...8 3 Main 1 5 Schematic Diagram P71D0SCM1 ...
Page 35: ...8 4 P71D0SCM2 Main 2 5 Schematic Diagram ...
Page 36: ...8 5 Main 3 5 Schematic Diagram P71D0SCM3 ...
Page 37: ...8 6 P71D0SCM4 Main 4 5 CRT Schematic Diagram ...
Page 39: ...8 8 DTV Module 1 2 Schematic Diagram P71D0SCD1 ...
Page 49: ...12 2 P71D0PEX Packing S4 S1 Tape X1 X3 FRONT X2 S2 S2 S3 S7 S6 Packing tape Packing tape ...