Hitachi VTMX900ECT Manuel D'entretien page 112

3-30
Oscillograms Video Signal Processing (VS)
REC 06
2V
A: DC, 500mV/Div, 20us/Div
T7704 EMITTER VFV
73
PLAY
A: AC, 100mV/Div, 20us/Div
T 7003 EMITTER
76
PLAY
0V
A: DC, 2 V/Div, 10ms/Div
IC 7004-B PIN26 FFP
REC 79
2V
A: DC, 500mV/Div, 20us/Div
C 2075,2036 VREC
REC 84
0V
A: AC, 50mV/Div, 20us/Div
IC 7004-C PIN52
REC 88
0V
A: AC, 100mV/Div, 5ms/Div
T 7073 EMITTER (PAL)CSRP
REC 47
0V
A: DC, 500mV/Div, 10ms/Div
TP9803 HP1
73
REC
0V
A: AC, 200mV/Div, 20us/Div
T 7003 EMITTER
77
REC
0V
A: DC, 1 V/Div, 20us/Div
IC 7072 PIN27 CSYNC
REC 81
0V
A: AC, 200mV/Div, 20us/Div
IC 7704-B PIN38 VBS
REC 85
0V
A: AC, 100mV/Div, 20us/Div
IC 7004-C PIN51
REC 88
A: AC, 100mV/Div, 5ms/Div
T 7703 EMITTER (SECAM L)
PLAY
A: AC, 50mV/Div, 500us/Div
IC 7004-B PIN94 ENVC
REC
A: AC, 200mV/Div, 20us/Div
T 7008 EMITTER
ETOE
A: DC, 1 V/Div, 20us/Div
IC 7004-B PIN29 VSB PAL
REC
A: AC, 100mV/Div, 20us/Div
IC 7004-C PIN45
REC
A: AC, 100mV/Div, 10ms/Div
IC 7004-C PIN54
REC
0V
A: AC, 200mV/Div, 500ns/Div
T7005 EMITTER FSC
70 PLAY
0V
A: DC, 500mV/Div, 20ms/Div
IC 7004-B PIN10 CROT/MTA
74
FAST
0V
A: DC, 1 V/Div, 20ms/Div
IC 7004-B PIN25 HSC
78
ETOE
0V
A: DC, 1 V/Div, 20us/Div
IC 7004-B PIN29 VSB SECAM
82 REC
0V
A: AC, 100mV/Div, 20us/Div
IC 7004-C PIN46
86 REC
0V
A: AC, 200mV/Div, 1us/Div
T 7002 EMITTER FMPV
89
0V
71
0V
75
0V
78
0V
83
0V
87
0V