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GRUNDIG Service
Circuits imprimés et des schémas électriques / Layout of PCBs and Circuit Diagrams
GV 27 EURO, GV 7… EURO
Oscillogrammes / Oscillograms
DC, 2V/Div, 5
µ
s/Div
0V
T7350 – Gate
1
STANDBY
DC, 2V/Div, 2
µ
s/Div
0V
T7350 – Gate
REC
1
2
DC, 200mV/Div, 2
µ
s/Div
0V
T7350 — Source
REC
DC, 200mV/Div, 5
µ
s/Div
0V
T7350 – Source
STANDBY
2
3
DC, 10V/Div, 2
µ
s/Div
0V
5353-(4)
REC
DC, 10V/Div, 5
µ
s/Div
0V
5353-(4)
3
STANDBY
DC, 500mV/Div, 5
µ
s/Div
IC7354-(10)
4
STANDBY
0V
DC, 500mV/Div, 2
µ
s/Div
0V
IC7354-(10)
REC
4
AC, 200mV/Div, 10
µ
s/Div
IC7540-(13)
13
REC
DC, 1V/Div, 10
µ
s/Div
0V
IC7007-(37) / R3114
REC
14
AC, 100mV/Div, 10
µ
s/Div
IC7007-(46), PAL
PB
15
AC, 100mV/Div, 10
µ
s/Div
IC7007-(46), SECAM L
PB
15
AC, 100mV/Div, 10
µ
s/Div
IC7007-(52)
PB
16
AC, 100mV/Div, 10
µ
s/Div
IC7007-(48), -(50)
PB
18
AC, 100mV/Div, 10
µ
s/Div
IC7007-(40)
PB
19
AC, 100mV/Div, 10
µ
s/Div
IC7007-(42)
PB
20
DC, 100mV/Div, 10
µ
s/Div
0V
Tuner 1701-(17)
REC
26
DC, 500mV/Div, 200
µ
s/Div
0V
IC7721-(10) / T7725 – Collector
REC
27
28
DC, 500mV/Div, 10
µ
s/Div
0V
T7723 – Emitter
REC
31
AC, 500mV/Div, 200
µ
s/Div
Modulator 1701-(3)
REC
AC, 200mV/Div, 500
µ
s/Div
IC7513-(3) / C2503
REC
32
DC, 1V/Div, 10ms/Div
0V
Connector 1961-(7)
REC
36
DC, 20V/Div, 10
µ
s/Div
0V
Connector 1961-(1)
REC
38
AC, 200mV/Div, 200
µ
s/Div
C2652
PB
39