Panasonic Omnivision VHS PV-C2780, Service Manual

Page: 179 / 185

NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
+1.000Vp-p V1
PIN 20 OF IC3001
0.5V 20µs1
REC
WF1
+1.000Vp-p V1
PIN 16 OF IC3001
0.5V 20µs1
REC
WF2
+0.410Vp-p V1
PIN 29 OF IC3001
0.2V 20µs1
PB
WF3
+0.590Vp-p V1
PIN 27 OF IC3001
0.2V 20µs1
PB
WF4
+190.0mVp-p V1
PIN 46 OF IC3001
0.1V 5ms 1
PB
WF5
+240mVp-p V1
PIN 12 OF IC3001
0.1V 20µs1
REC
WF6
+340mVp-p V1
PIN 12 OF IC3001
0.1V 20µs1
PB
WF6
+330mVp-p V1
PIN 10 OF IC3001
0.1V 20µs1
REC
WF7
+400mVp-p V1
PIN 10 OF IC3001
0.1V 20µs1
PB
WF7
+4.50Vp-p V1
PIN 14 OF IC3001
2V 20µs1
REC/PB
WF8
+100.0mVp-p V1
PIN 71 OF IC3001
50mV 0.5ms1
REC
WF9
+100.0mVp-p V1
PIN 73 OF IC3001
50mV 0.5ms1
REC
WF10
+2.60Vp-p V1
PIN 65 OF IC3001
1V 0.5ms1
REC
WF11
+1.20Vp-p V1
PIN 69 OF IC3001
0.5V 0.5ms1
REC/PB
WF12
+100.0mVp-p V1
PIN 58 OF IC3001
50mV 0.5ms1
PB
WF13
+1.20Vp-p V1
TP4002
0.5V 0.5ms1
REC/PB
WF14
V1 +5.00Vp-p
PIN 13 OF IC3001
2V 2ms 1
CUE/REV
/SLOW/STILL
WF15
+0.180Vp-p V1
PIN 34 OF IC3001
0.1V 5ms 2
PB
WF16
+0.240Vp-p V1
PIN 41 OF IC3001
0.2V 5ms 2
REC
WF17
+0.350Vp-p V1
PIN 41 OF IC3001
0.2V 5ms 2
PB SP
WF17
+1.000Vp-p V1
TP3001
0.5V 20µs1
REC/PB
WF18
+260mVp-p V1
CH1 TP3002
0.1V 5ms 2 5V
REC
CH2 TP6205
CH1 WF19
CH2 WF34
+0.450Vp-p V1
CH1 TP3002
0.2V 5ms 2
PB SP
CH2 TP6205
5V
CH1 WF19
CH2 WF34
+0.240Vp-p V1
CH1 TP3002
0.2V 5ms 2
PB SLP
CH2 TP6205
5V
CH1 WF19
CH2 WF34
+1.000Vp-p V1
PIN 15 OF IC3301
0.5V 20µs1
REC/PB
WF20
+5.00Vp-p V1
PIN 22 OF IC3301
2V 20µs1
STOP
WF21
(BLUE BACK)
+4.00Vp-p V1
1V 5ms1
POWER ON PIN10 OF IC5301
WF23
+4.50Vp-p V1
PIN 16 OF IC5301
5V 50µs1
POWER ON
WF24
+1.30Vp-p V1
PIN 18 OF IC5301
0.5V 20µs1
POWER ON
WF25
+4.00Vp-p V1
PIN 19 OF IC5301
1V 20µs1
POWER ON
WF26
+4.20Vp-p V1
PIN 21 OF IC5301
2V 20µs1
POWER ON
WF27
+4.20Vp-p V1
PIN 22 OF IC5301
2V 20µs1
POWER ON
WF28
+5.00Vp-p V1
PIN 23 OF IC5301
2V 20µs1
POWER ON
WF29
+2.00Vp-p V1
PIN 41 OF IC5301
1V 20µs1
POWER ON
WF30
+2.500VDC V1
TP6209
1V 5µs1
REC/PB
WF31
TV/VCR MAIN C.B.A. / TV PROCESS C.B.A. / VERTICAL C.B.A.