Do you have a question about the Hitachi V-212 and is the answer not in the manual?
Remove all screws on top and bottom covers to access internal parts.
Clean instrument covers and interior using soft cloth, brush, or air stream.
Check for broken connections, loose transistors, damaged boards, or heat damage.
Perform calibration every 1000 hours of operation or six months if used infrequently.
Lists necessary test equipment and accessories for accurate calibration.
Calibrate at ambient temperature, connect to AC line, set controls, warmup.
Sets instrument controls for calibration, covering FOCUS, TRACE ROTATION, VERT, HORZ, etc.
Steps to power on, warm up CRT, adjust intensity, focus, and position for trace.
Controls input coupling, deflection factor, DC balance, position, and gain for vertical signals.
Determines which vertical preamp signals are sent to the output amplifier.
Provides final amplification for vertical signals to the CRT deflection plates.
Amplifies internal trigger signals for the Trigger Generator circuit.
Produces trigger pulses to start the Sweep Generator circuit.
Generates sawtooth voltage for horizontal deflection and unblanking gate.
Provides output to CRT horizontal plates, includes magnifier and positioning.
Provides operating power, regulated supplies, and voltage selection.
Produces a square-wave output for amplitude and frequency calibration.
Controls CRT intensity level by increasing or decreasing trace brightness.
Provides high-voltage and control circuits for the cathode-ray tube operation.
Lists parts for the CH1 and CH2 input amplifier sections.
Lists components for the CH1 Preamp section.
Lists components for the Trigger Preamp section.
Lists components for the Sweep Generator section.
Lists components for the Horizontal Amplifier section.
Remove all screws on top and bottom covers to access internal parts.
Clean instrument covers and interior using soft cloth, brush, or air stream.
Check for broken connections, loose transistors, damaged boards, or heat damage.
Perform calibration every 1000 hours of operation or six months if used infrequently.
Lists necessary test equipment and accessories for accurate calibration.
Calibrate at ambient temperature, connect to AC line, set controls, warmup.
Sets instrument controls for calibration, covering FOCUS, TRACE ROTATION, VERT, HORZ, etc.
Steps to power on, warm up CRT, adjust intensity, focus, and position for trace.
Controls input coupling, deflection factor, DC balance, position, and gain for vertical signals.
Determines which vertical preamp signals are sent to the output amplifier.
Provides final amplification for vertical signals to the CRT deflection plates.
Amplifies internal trigger signals for the Trigger Generator circuit.
Produces trigger pulses to start the Sweep Generator circuit.
Generates sawtooth voltage for horizontal deflection and unblanking gate.
Provides output to CRT horizontal plates, includes magnifier and positioning.
Provides operating power, regulated supplies, and voltage selection.
Produces a square-wave output for amplitude and frequency calibration.
Controls CRT intensity level by increasing or decreasing trace brightness.
Provides high-voltage and control circuits for the cathode-ray tube operation.
Lists parts for the CH1 and CH2 input amplifier sections.
Lists components for the CH1 Preamp section.
Lists components for the Trigger Preamp section.
Lists components for the Sweep Generator section.
Lists components for the Horizontal Amplifier section.
| Type | Analog Oscilloscope |
|---|---|
| Bandwidth | 20 MHz |
| Channels | 2 |
| Input Sensitivity | 5 mV/div to 5 V/div |
| Trigger Source | CH1, CH2, Line, EXT |
| Input Coupling | AC, DC, GND |
| Max Input Voltage | 400 V (DC+AC peak) |
| CRT Size | 6 inches |
| Time Base | 0.2 μs/div to 0.5 s/div |
| Trigger Modes | Auto, Normal |
| Input Impedance | 1 MΩ // 25 pF |
| CRT Type | Rectangular |
| Power Source | 100, 120, 220, 240 VAC; 50/60 Hz |
| Weight | 7.5 kg |