JVC TV-20F243
Circuit Diagrams

TV-20F243

TV-20F243

WAVEFORMS
Y/C/AUDIO/CCD/HEAD AMP MICON
PB 0.5V 20µs/div POWER ON 0.5V 10ms/div PB 1.0V 0.5ms/div 5V 20µs/div 20.0V 20µs/div

1

7

12

55

60

OPERATION
POWER ON 100mV 0.1µs/div POWER ON 1.0V 10µs/div 1.0V 1ms/div 1V 10ms/div

2

8

38

56

PB 10mV 20us/div

PB 1.0V 10ms/div

1.0V 1ms/div

0.5V 5ms/div

3

9

39

57

TV POWER
PB 0.5V 1ms/div PB 1.0V 5ms/div REC/PB 5V 0.1ms/div

CRT
20.0V 20µs/div

4

10

53

58

DEFLECTION
REC 10.0V 5us/div PB 0.5V 0.5ms/div 0.5V 20µs/div 20.0V 20µs/div

5

11

54

59

NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

No.51987

2-49

2-50

No.51987