Hitachi VTMX900ECT Wartungshandbuch Seite 116

3-34 3-34
FOLLOW ME Part (FOME)
REC 06
2V
A
A: DC, 500mV/Div, 20us/Div
T7704 EMITTER VFV
B
REC 30
0V
A: AC, 200mV/Div, 20us/Div
C
IC 7904 PIN2 VIN1
D
E
1 2
2530
100n
3530
4K7
I537
3532
22K
I536
3534
4K7
I534
3536
2K2
3537 3538
2K2 4K7
I532
2532
2n2
I531
3539 2534 3540
10M 10M
180p
3545
33K
F530
C530
GNDFOME GNDVIO
1 2
Interconnections:
AF page 3-27 AL page 3-24 AIO1 page 3-17 AIO2 page 3-15 DE page 3-19
FV page 3-21 FOME page 3-34 I/O page 3-33 PS page 3-14
3 2530 A1
2531 B3
2532 D1
2533 D3
2534 D1
2535 D3
5V_1WSTBY
2536 E1
2537 E3
3530 A1
3531 A2
3532 B1
3533 B3
A
3534 B1
3535 C1
3536 C1
3537 C1
5V_1WSTBY
3538 C2
3539 D1
3540 D2
3541 E1
3533
3542 E1
15K
3543 E3
2531 3544 E3
3545 E2
3546 E3
10u
B
7530-A A2
7530-C D1
7530-D D3
7531 B1
7532 B2
C530 E2
F530 E2
I530 E1
I531 D1
I532 D1
I533 C1
I534 C2
C
I535 C2
I536 B2
I537 A2
I539 D3
I540 D3
I541 E3
D
I539
2533
2n2
I540
2535
180p
3546
E
33K
.. OSCILLOGRAMS
..V MEASURED IN PLAYBACK MODE
..V MEASURED IN RECORD MODE
3
FM ST page 3-22 FM NIC-page 3-23
VPO page 3-32 VS page 3-31 VS_S page 3-28