JVC TV-20F242 Service Manual page 77

WAVEFORMS
TV POWER
6
1 5V 0.1ms/div 20.0V 20 s/div
DEFLECTION
20.0V 20 s/div
7
2 5V 20 s/div
DEFLECTION
3 0.5V 5ms/div 8 1V 10ms/div
TV POWER
4 0.5V 20 s/div
9 20V 1ms/div
CRT
5 20.0V 20 s/div 10
0.5V 5 s/div
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.
No.51768
TV-20F242 TV-20F242
Y/C/AUDIO/HEAD AMP
11 PB
100mV 5ms/div
12 REC/PB
100mV 0.5 s/div
13
REC
20V 10 s/div
REC/PB
14
0.5V 20 s/div
MICON
15 REC/PB
1V 5ms/div
2-47 2-48
16 REC/PB REC/PB
21
2V 20 s/div 1V 10ms/div
22
17 REC/PB REC/PB
1V 5ms/div 1V 0.5ms/div
PB
18 REC/PB 23
1V 2ms/div
1V 50ns/div
IN/OUT
19 REC/PB
REC/PB
24
1V 10ms/div
200mV 20ns/div
20 REC/PB
REC/PB
25
0.5V 20 s/div
1V 10ms/div
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.
No.51768
CHROMA/IF
26 200mV 20 s/div
27 200mV 20 s/div
28 200mV 20 s/div
29 200mV 20ms/div
HIFI
34 200mV 2ms/div