Oszillogramme - Grundig GV 500 SV/1 Serviceanleitung

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Oszillogramme / Oscillograms
PB PB
0V
DC, 2V/Div, 5µs/Div DC, 100mV/Div, 5µs/Div
T7135, Gate T7135, Source
1 2
PB
PB
-14,4V
AC, 0,5V/Div, 5µs/Div AC, 5V/Div, 5µs/Div
Connector 1914-(5), 1901-(5) Connector 1914-(7), 1901-(7)
7 8
PB
PB
3,25V
AC, 100mV/Div, 20µs/Div
DC, 500mV/Div, 20µs/Div
IC7051-(1)
IC7051-(16)
12 13
PB PB
2.5V
AC, 200mV/Div, 20µs/Div AC, 100mV/Div, 20µs/Div
IC7051-(26) IC7051-(4)
16 17
PB REC
0.8V
AC, 100mV/Div, 20µs/Div AC, 100mV/Div, 20µs/Div
IC7051-(20) IC7051-(38)
20 21
REC
REC
AC, 1V/Div, 500µs/Div
AC, 200mV/Div, 20µs/Div
C2751
T7725 - Emitter
27
28
4 - 57
PB
0V
0V
AC, 10V/Div, 5µs/Div DC, 500mV/Div, 5µs/Div
Trafo 5114-(4) IC7105-(10)
3 4
REC
0V
0V
AC, 200mV/Div, 20µs/Div AC, 200mV/Div, 2µs/Div
C2021 IC7051-(2)
10 11
PB
0V
0V
DC, 1V/Div, 20µs/Div AC, 200mV/Div, 20µs/Div
IC7051-(29)
IC7051-(14)
15
14
REC
2.5V
3V
AC, 200mV/Div, 20µs/Div AC, 100mV/Div, 20µs/Div
IC7051-(24) IC7051-(18)
18 19
PB
2.3V 3.2V
AC, 100mV/Div, 20µs/Div AC, 200mV/Div, 200ns/Div
IC7051-(38) Tuner 1701-(17)
21 26
REC
0V
1,6V
AC, 500mV/Div, 200µs/Div AC, 500mV/Div, 200µs/Div
C2611 / IC7550-(2) R3611 / IC7551 - (3)
31 32
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
REC
PB
0V
AC, 1V/Div, 200µs/Div AC, 10V/Div, 5µs/Div
IC7601-(17) Connector 1919-(2)
0V
34 35
REC
REC
0V
3V
AC, 20V/Div, 5µs/Div DC, 1V/Div, 10ms/Div
Connector 1918-(1) Connector 1915-(1)
41
38
THR
PB
2,5V
0V
DC, 1V/Div, 10ms/Div DC, 1V/Div, 10µs/Div
Connectors 1913-(6), 1965-(11) IC7410-(31)
44 47
PB
PB
0V
1.8V
DC, 1V/Div, 10µs/Div DC, 1V/Div, 10µs/Div
IC7410-(30) IC7410-(16)
50 51
PB
REC
0V
AC, 100mV/Div, 10ms/Div DC, 1V/Div, 10ms/Div
Connetor 1931-(5) Connector 1930-(6)
57 58
REC
0V
4 - 58
REC REC
0V
0V
DC, 1V/Div, 10ms/Div AC, 10V/Div, 5µs/Div
Connector 1918-(7) Connector 1918-(4)
36 37
PB
PB
0V
0V
DC, 1V/Div, 5ms/Div
DC, 1V/Div, 5ms/Div
Connectors 1913-(4) / 1965-(13) Connectors 1913-(5), (8)
1965-(12), (9)
42 43
PB PB
0V 1V
DC, 500mV/Div, 500µs/Div DC, 1V/Div, 10ms/Div
Connectors 1913-(15), 1965-(2) IC7411-(2)
48 49
THR PB
0V
0V
DC, 2V/Div, 2ms/Div
DC, 1V/Div, 500µs/Div
IC7301-(1), -(3), -(16)
Connector 1931-(4)
56
55
PB
0V
REC
0V
WIND
0V
REC
0V
PB
0V
GRUNDIG Service