Hitachi V 422 Service Manual

Page 2

CONTENTS

1. Specifications ............................................. 1
2 Accessories .............................................. 6
3 Preventive maintenance ..................................... 7
4 Calibration ................................................ 9
4.1 Calibration interval ................................... 9
4.2 Test equipment required ............................... 9
4.3 Preliminary procedure ................................. 9
4.4 Preliminary control settings ............................ 11
4 5 Initial starting procedure ............................... 11
5 . Semiconductor lead configurations ............................ 22
6 . Circuit description .......................................... 24

7. Electrical parts arrangement
(with Adjustment Locations) ......................... 27
8. Block diagram ............................................. 31
9. Electrical parts list ........ - ................................ 33
6) INPUT AMP ........................................... 33
© VERT PREAMP, TRIO PICKOFF CH SW MULTI ........... 36
® V OUT AMP ............................................ 4o
<1} TRIG GENERATOR ..................................... 42
® SWEEP GEN ........................................... 43
@ H AMP ................................................ 45
HV 2 AMP ............................................. 47
POWER SUPPLY ....................................... 49
Rv/LAMP .............................................. 50
10. Schematic diagrams ......................................... 51

WARNING - THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED
PERSONNEL ONLY. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT PER-
FORM ANY SERVICING OTHER THAN CONTAINED IN THE OPERATING IN-
STRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO.