Hitachi V-1070A Oscilloscope
Manufacturer:
Model:
V-1070A
Date:
Category:
Group:
Description:
Portable Read-Out Oscilloscope

Information

The Hitachi V-1100A is a portable read-out Oscilloscope with a bandwidth of DC to 100 MHz. The V-1100A is designed with a new concept and provides measurement reliability and ease of operation by employing a microprocessor. The major features are: (1) Character display of set-up information The measurement information is alphanumerically displayed on the CRT as shown below; * VOLTS/DIV setting of Channels 1 and 2. * TIME/DIV of A and B * CAL or UNCAL * Converged data at MAG mode * Delay time * CH2 INVERT mode * 20 MHz Bandwidth Limit mode * ADD mode * Trigger source * Input coupling mode Since troublesome setting operation procedures are eliminated, an operator can concentrate on the displayed data for measurement.

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Service Manual
Manual type:
Service Manual
Pages:
97
Size:
11.67 Mbytes (12237948 Bytes)
Language:
english
Revision:
Manual ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
29 December 2018
MD5:
da1cc608267eedb34614d68e4fd5e545
Downloads:
229

Information

1. Specifications ... 1 2. Accessories ... 6 3. Preventive maintenance ... 6 k. Calibration ... 7 k.1 Calibration interval ... 7 h,2 Test equipment required ... 7 4.3 Preliminary procedure ... 8 b,k Preliminary control settings ... 10 k.5 Initial starting procedure ... 10 5. Readout error cord list ... 31 6. Electrical parts arrangement (with adjustment location) ... 33 7. Electrical parts lead configurations ... kj 8. Electrical parts list ... 51 PEF-675 V PREAMP, TIMING CKT, Power supply ... 51 PEF-676 TRIGGER Generator, HIGH VOLTAGE CKT, Z AMP 57 PEF-677 SWEEP Generator, CRT CONTROL ... 62 PEF-678 H OUT AMP, FOCUS AMP ... 6k PEF-679 CHI INPUT CKT ... 67 PEF-680 CH3 and CH4 INPUT AMP ... 67 PEF-681 DIGITAL Control Unit ... 68 PEF-682 V MODE and H MODE SWITCH ... 71 PEF-683 POSITION CONTROL ... 71 PEF-684 CURSOR and DVM SWITCH ... 72 PEF-685 TRIGGER LED ... 72 PEF-686 CRT SOCKET ... 72 PEF-687 SCALE ILLUMINATION ... 73 PEF-688 LED DRIVER ... 73 PEF-689 DVM and FREQUENCY Counter ... 73 PEF-69O POWER TRANSISTOR and IC ... 75 PEF-691 DELAY LINE (l) ... 75 PEF-692 DELAY LINE (2) ... 76 PEF-696 GND CONTROL ... 76 PEF-697 TRANSISTOR for H.V.CKT ... 76 PEF-699 V OUT AMP . ... 77 PEF-702 Current source A ... 78 PEF-703 Current source B ... 79 PEF-704 TRANSISTOR for SCALE ILLUM ... 80 PEF-70 6 CH2 INPUT CKT ... 80 PEF-707 DIODE for LOW VOLTAGE ... 80 CHASSIS ... 80 9. Block diagrams ... 81 10. Schematic diagrams ... 85 <£> CHI, CH2 PREAMP (PEF-675, 679 , 696, 706) ... 85 <^> CH3,CH4 PREAMP (PEF-675,680) ... 87 <3> VERTICAL SWITCHING CKT (PEF-675,691,692) ... 89 <£> VERTICAL OUTPUT AMP GROUND REFERENCE CKT (PEF-699) ... 91 <^> A/B TRIGGER SELECTOR (PEF-676) ... 93 <6> A/B TRIGGER Generator (PEF-676) ... 95 <£> A/B SWEEP Generator (PEF-677) ... 97 SA/B Current source (PEF-675,702,703) ... 99 HORIZONTAL OUTPUT AMP FOCUS AMP (PEF-675,678). 101 <&> HIGH VOLTAGE CKT CRT CONTROL (PEF-675,676,677,686,687,697,704) ... 103 <^1> Power supply (PEF-675, 690,707) ... 105 V MODE & H MODE POSITION CONTROL (PEF-682,683). 107 <f^> DIGITAL CONTROL (l) (PEF-68l) (V-1100A, ... 109 S DIGITAL CONTROL (l) (PEF-681) (V-1070A, ... Ill DIGITAL CONTROL (2) (PEF-681) (V-llOOA) ... 113 <^> DIGITAL CONTROL (2) (PEF-68l) (V-1070A, ... 115 <^> DIGITAL CONTROL (3) (PEF-684,685,688) ... 117 <^> DVM FREQUENCY Counter (PEF-689) ... 119 WIRING DIAGRAM * ... 121 11. Mechanical parts list and exploded view ... 122

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