Канал: IanScottJohnston

No.138 - Tektronix 2430 Digital Oscilloscope Repair

No.138 - Tektronix 2430 Digital Oscilloscope Repair

No.137 - Keithley 440 Digital Picoammeter Repair & Test

No.137 - Keithley 440 Digital Picoammeter Repair & Test

No.136 - Rapid 7022 Digital Storage Oscilloscope Repair

No.136 - Rapid 7022 Digital Storage Oscilloscope Repair

No.135 - Tektronix 465 Oscilloscope Repair

No.135 - Tektronix 465 Oscilloscope Repair

No.134 - Faulty Test Gear Donation - Follow-up

No.134 - Faulty Test Gear Donation - Follow-up

No.133 - Keithley 2001 7.5 Digit DMM Repair (re-upload condensed)

No.133 - Keithley 2001 7.5 Digit DMM Repair (re-upload condensed)

No.132 - 3458A 8.5digit DMM Non-Volatile RAM Replacement

No.132 - 3458A 8.5digit DMM Non-Volatile RAM Replacement

No. 131 - Faulty Test Gear - I Need Your Help!

No. 131 - Faulty Test Gear - I Need Your Help!

No.130 - Thurlby 30V-2A Bench Power Supply Repair

No.130 - Thurlby 30V-2A Bench Power Supply Repair

No.129 - Thandar TS3022S Dual Rail PSU Repair

No.129 - Thandar TS3022S Dual Rail PSU Repair

No.128 - Agilent U1731A LCR Meter Repair

No.128 - Agilent U1731A LCR Meter Repair

No.127 - Kitchen hob PCB non-repair

No.127 - Kitchen hob PCB non-repair

No.126 - Sensepeek PCBite Kit (6019) Review

No.126 - Sensepeek PCBite Kit (6019) Review

No. 125 - HP 34401A 6.5digit Multimeter Repair - Part 2

No. 125 - HP 34401A 6.5digit Multimeter Repair - Part 2

No. 124 - HP 34401A 6.5digit Multimeter Repair - Part 1

No. 124 - HP 34401A 6.5digit Multimeter Repair - Part 1

No.123 - Fluke 189 Multimeter Repair

No.123 - Fluke 189 Multimeter Repair

No.122 - Rigol DHO800 & 900 Series Oscilloscopes - VESA Mount Review

No.122 - Rigol DHO800 & 900 Series Oscilloscopes - VESA Mount Review

10.65kWh House Battery Install

10.65kWh House Battery Install

No.121 - Racal 835 Universal Counter Repair

No.121 - Racal 835 Universal Counter Repair

No.120 - Voltech PM100 Power Analyzer Repair (2off)

No.120 - Voltech PM100 Power Analyzer Repair (2off)

Is this ceramic IC Beryllium Oxide (BeO)...?

Is this ceramic IC Beryllium Oxide (BeO)...?

No.119 - Racal-Dana 9900 Universal Counter Timer Repair

No.119 - Racal-Dana 9900 Universal Counter Timer Repair

No.118 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 3

No.118 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 3

Why such a busy single-form Home Energy Control app?

Why such a busy single-form Home Energy Control app?

Why I hate BNC connectors down at the uV level

Why I hate BNC connectors down at the uV level

No.117 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 2

No.117 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 2

No.116 - Keithley 2306 Dual Channel Battery Charger Simulator - Part 2

No.116 - Keithley 2306 Dual Channel Battery Charger Simulator - Part 2

No.115 - Keithley 2306 Dual Channel Battery Charger Simulator - Part 1

No.115 - Keithley 2306 Dual Channel Battery Charger Simulator - Part 1

PCB Solder Paste Technique at home

PCB Solder Paste Technique at home

No.114 - Time Electronics 2003S DC Voltage Calibrator Repair & Refurb

No.114 - Time Electronics 2003S DC Voltage Calibrator Repair & Refurb

No.113 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 1

No.113 - HP 3245A Universal Source Repair, Mods & Upgrades - Part 1

3458A DMM Dallas Battery Backed Ram Upgrade to FRAM

3458A DMM Dallas Battery Backed Ram Upgrade to FRAM

No.112 - HP 5300B Measuring System Repair

No.112 - HP 5300B Measuring System Repair

No.111 - Tektronix 2215 Oscilloscope Repair

No.111 - Tektronix 2215 Oscilloscope Repair

No.110 - Trend IQL11+ Terminal Unit Controller Repair

No.110 - Trend IQL11+ Terminal Unit Controller Repair

No.109 - PCB/Product Production at home - Part 2

No.109 - PCB/Product Production at home - Part 2

No.108 - PCB/Product Production at home - Part 1

No.108 - PCB/Product Production at home - Part 1

No.107 - Fluke 8846A 6.5 digit Multimeter Repair - Part 1

No.107 - Fluke 8846A 6.5 digit Multimeter Repair - Part 1

No.106 - 4th Agilent 34401A 6.5 digit Multimeter Repair

No.106 - 4th Agilent 34401A 6.5 digit Multimeter Repair

No.105 - Agilent 1253B Multimeter Repair

No.105 - Agilent 1253B Multimeter Repair

No.104 - 3rd HP 34401A 6.5 digit Multimeter Repair

No.104 - 3rd HP 34401A 6.5 digit Multimeter Repair

No.103 - Fluke 43B Power Quality Analyzer Repair

No.103 - Fluke 43B Power Quality Analyzer Repair

No.102 - Humminbird 997c SI Combo Fishfinder Repair

No.102 - Humminbird 997c SI Combo Fishfinder Repair

No.101 - Thandar TG102 Function Generator Repair

No.101 - Thandar TG102 Function Generator Repair

No.100 - Farnell TSV70 Power Supply Repair (nearly!)

No.100 - Farnell TSV70 Power Supply Repair (nearly!)

No.099 - Maynuo M9811 (200W) Upgrade to M9812 (300W) - Part 2

No.099 - Maynuo M9811 (200W) Upgrade to M9812 (300W) - Part 2

No.098 - Maynuo M9811 (200W) Upgrade to M9812 (300W) - Part 1

No.098 - Maynuo M9811 (200W) Upgrade to M9812 (300W) - Part 1

No.097 - Keithley 225 Current Source Repair - Part 2

No.097 - Keithley 225 Current Source Repair - Part 2

No.096 - Keithley 225 Current Source Repair - Part 1

No.096 - Keithley 225 Current Source Repair - Part 1

No.095 - Stanford Research Systems SR630 Thermocouple Monitor Repair

No.095 - Stanford Research Systems SR630 Thermocouple Monitor Repair

No.094 - Agilent 3499A Switch Control System Repair

No.094 - Agilent 3499A Switch Control System Repair

No.093 - Agilent E3649A PSU Repair - Revisited!

No.093 - Agilent E3649A PSU Repair - Revisited!

No.092 - Keithley 2001 7.5 digit Multimeter Repair - Part 6

No.092 - Keithley 2001 7.5 digit Multimeter Repair - Part 6

No.091 - Keithley 2001 7.5 digit Multimeter Repair - Part 5

No.091 - Keithley 2001 7.5 digit Multimeter Repair - Part 5

No.090 - Keithley 2001 7.5 digit Multimeter Repair - Part 4

No.090 - Keithley 2001 7.5 digit Multimeter Repair - Part 4

No.089 - Keithley 2001 7.5 digit Multimeter Repair - Part 3

No.089 - Keithley 2001 7.5 digit Multimeter Repair - Part 3

No.088 - Rigol DG1022Z Arbitary Waveform Function Generator Repair

No.088 - Rigol DG1022Z Arbitary Waveform Function Generator Repair

No.087 - Keithley 2001 7.5 digit Multimeter Repair - Part 2

No.087 - Keithley 2001 7.5 digit Multimeter Repair - Part 2

No.086 - Keithley 2001 7.5 digit Multimeter Repair - Part 1

No.086 - Keithley 2001 7.5 digit Multimeter Repair - Part 1

No.085 - ***Another*** HP 34401A 6.5 digit Multimeter Repair - Part 2

No.085 - Another HP 34401A 6.5 digit Multimeter Repair - Part 2

No.084 - ***Another*** HP 34401A 6.5 digit Multimeter Repair - Part 1

No.084 - Another HP 34401A 6.5 digit Multimeter Repair - Part 1

No.083 - HP 34401A 6.5 digit Multimeter Repair - Part 3

No.083 - HP 34401A 6.5 digit Multimeter Repair - Part 3

No.082 - HP 34401A 6.5 digit Multimeter Repair - Part 2

No.082 - HP 34401A 6.5 digit Multimeter Repair - Part 2

No.081 - HP 34401A 6.5 digit Multimeter Repair - Part 1

No.081 - HP 34401A 6.5 digit Multimeter Repair - Part 1

No.080 - Gtek 7128 Eprom Programmer 240Vac Conversion & Analysis - Part 2

No.080 - Gtek 7128 Eprom Programmer 240Vac Conversion & Analysis - Part 2

No.079 - Gtek 7128 Eprom Programmer 240Vac Conversion & Analysis - Part 1

No.079 - Gtek 7128 Eprom Programmer 240Vac Conversion & Analysis - Part 1

No.078 - 5 Minute Repair - Dymo LabelPOINT 100

No.078 - 5 Minute Repair - Dymo LabelPOINT 100

No.077 - Agilent E3633A Power Supply Repair

No.077 - Agilent E3633A Power Supply Repair

No.076 - Agilent 3649A Power Supply Repair

No.076 - Agilent 3649A Power Supply Repair

No.075 - 5 Minute Repair - 9V Lithium Ion Battery

No.075 - 5 Minute Repair - 9V Lithium Ion Battery

No.074 - Workshop Update

No.074 - Workshop Update

No.073 - Solar PV Gen. & Import/Export Data all in one place!

No.073 - Solar PV Gen. & Import/Export Data all in one place!

No.072 - EEZ BB3 Bench PSU Repair

No.072 - EEZ BB3 Bench PSU Repair

No.071 - HP 6611C Linear Bench Power Supply Repair

No.071 - HP 6611C Linear Bench Power Supply Repair

No.070 - 861D Hot Air Station Modification

No.070 - 861D Hot Air Station Modification

No.069 - Agilent E3631A Power Supply Repair & Restoration - Part 2

No.069 - Agilent E3631A Power Supply Repair & Restoration - Part 2

No.068 - Agilent E3631A Power Supply Repair & Restoration - Part 1

No.068 - Agilent E3631A Power Supply Repair & Restoration - Part 1

No.067 - Agilent E3632A PSU Repair - Part 4

No.067 - Agilent E3632A PSU Repair - Part 4

No.066 - Agilent E3632A Power Supply Repair - Part 3

No.066 - Agilent E3632A Power Supply Repair - Part 3

No.065 - Agilent E3632A Power Supply Repair - Part 2

No.065 - Agilent E3632A Power Supply Repair - Part 2

No.064 - Agilent E3632A Power Supply Repair - Part 1

No.064 - Agilent E3632A Power Supply Repair - Part 1

No.063 - Agilent 34405A Repair - How easy can it get!

No.063 - Agilent 34405A Repair - How easy can it get!

No.062 - HP 3457A DMM Repair - First Power Up & Final Assembly - Part 3

No.062 - HP 3457A DMM Repair - First Power Up & Final Assembly - Part 3

No.061 - HP 3457A DMM Repair - Rewinding & Testing the Transformer - Part 2

No.061 - HP 3457A DMM Repair - Rewinding & Testing the Transformer - Part 2

No.060 - HP 3457A DMM Repair - Part 1

No.060 - HP 3457A DMM Repair - Part 1

No.059 - Druck UPS-II 4-20mA Loop Calibrator Repair

No.059 - Druck UPS-II 4-20mA Loop Calibrator Repair

No.058 - Vintage Sharp GF-6060 Ghetto Blaster Bluetooth Conversion

No.058 - Vintage Sharp GF-6060 Ghetto Blaster Bluetooth Conversion

No.057 - 35yr+ old Midland 76-900UK CB Radio Restoration - Follow Up

No.057 - 35yr+ old Midland 76-900UK CB Radio Restoration - Follow Up

No.056 - 35yr+ old Midland 76-900UK CB Radio Inspection & Power Up

No.056 - 35yr+ old Midland 76-900UK CB Radio Inspection & Power Up

No.055 - Farnell L30/1 Power Supply - Calibration & Front Panel

No.055 - Farnell L30/1 Power Supply - Calibration & Front Panel

No.054 - Farnell L30/1 Power Supply - Light Restoration & Test

No.054 - Farnell L30/1 Power Supply - Light Restoration & Test

No.053 - Motien DC-DC Repair (Rupert Neve 5042 Tape Emulator)

No.053 - Motien DC-DC Repair (Rupert Neve 5042 Tape Emulator)

No.052 - Final Test & Calibration of my PDVS2mini's - Automated Process

No.052 - Final Test & Calibration of my PDVS2mini's - Automated Process

No.051 - SMD Stencil - Reliable Paste Application 100% every time

No.051 - SMD Stencil - Reliable Paste Application 100% every time

No.050 - Honeywell Timer THR850S 10-Minute Repair

No.050 - Honeywell Timer THR850S 10-Minute Repair

No.049 - Rupert Neve 5042 Tape Emulator Repair

No.049 - Rupert Neve 5042 Tape Emulator Repair

No.048 - Workshop Power Cut (whole street)

No.048 - Workshop Power Cut (whole street)

No.047 - W-Audio DA500 Audio Amplifier Repair

No.047 - W-Audio DA500 Audio Amplifier Repair

No.046 - LeCroy WaveSurfer 422 Oscilloscope Repair

No.046 - LeCroy WaveSurfer 422 Oscilloscope Repair

No.045 - New product - PDVS2mini, Donated Hardware & Laser Cutter Bodge!

No.045 - New product - PDVS2mini, Donated Hardware & Laser Cutter Bodge!

No.044 - Hakko FA-400 Smoke Absorber Modification

No.044 - Hakko FA-400 Smoke Absorber Modification

No.043 - Flir C2 Optical Modification

No.043 - Flir C2 Optical Modification

No.042 - HP3457A Backlighting Mods

No.042 - HP3457A Backlighting Mods

No.041 - HP3457A DMM Repair & GPIB Software Overview

No.041 - HP3457A DMM Repair & GPIB Software Overview

No.040 - Trying out a new Ultrasonic Cleaner for PCB's

No.040 - Trying out a new Ultrasonic Cleaner for PCB's

No.039 - Vonyx VMM-F401 4ch Mixer Repair

No.039 - Vonyx VMM-F401 4ch Mixer Repair

No.038 - Workshop Cooler/Heater Solution/Hack!

No.038 - Workshop Cooler/Heater Solution/Hack!

No.037 - APS 3005 Power Supply Repair

No.037 - APS 3005 Power Supply Repair

No.036 - Digimess PM6003 Power Supply Repair

No.036 - Digimess PM6003 Power Supply Repair

No.035 - Locating a PCB short circuit (10 minute)

No.035 - Locating a PCB short circuit (10 minute)

No.034 - Channel & Personal Update (where I've been!)

No.034 - Channel & Personal Update (where I've been!)

No.032 - TKBHOME TZ67E 300W Dimmable Wall Plug Repair

No.032 - TKBHOME TZ67E 300W Dimmable Wall Plug Repair

No.031 - Sharp GF-6060 Radio Cassette Player Repair with MP3 twist

No.031 - Sharp GF-6060 Radio Cassette Player Repair with MP3 twist

No.030 - Fluke 51 II Thermometer Repair

No.030 - Fluke 51 II Thermometer Repair

No.029 - Alesis 3630 Compressor Repair

No.029 - Alesis 3630 Compressor Repair

No.028 - Dataman S4 Programmer Restoration

No.028 - Dataman S4 Programmer Restoration

No.027 - Solartron 7075 Digital Voltmeter Repair & Modification

No.027 - Solartron 7075 Digital Voltmeter Repair & Modification

No.026 - Ultrasonic Cleaner PCB Flux Removal

No.026 - Ultrasonic Cleaner PCB Flux Removal

No.025 - QFN Reflow Repair

No.025 - QFN Reflow Repair

Farnell LT30-2 Power Supply Repair & Modifications - Part 1

Farnell LT30-2 Power Supply Repair & Modifications - Part 1

Yale HSA6400 Burglar Alarm Arduino modifications - Part 2

Yale HSA6400 Burglar Alarm Arduino modifications - Part 2

Yale HSA6400 Burglar Alarm Arduino modifications - Part 1

Yale HSA6400 Burglar Alarm Arduino modifications - Part 1

Lathe refurb project - Final Update

Lathe refurb project - Final Update

Lathe refurb project - Update Part 1

Lathe refurb project - Update Part 1

Handheld voltage source & Lathe refurb projects

Handheld voltage source & Lathe refurb projects

10min Repair - 22" LCD TV

10min Repair - 22" LCD TV

Philip Harris Mains AC Current Meter display conversion

Philip Harris Mains AC Current Meter display conversion

Keithley 2015 THD Multimeter Display Replacement

Keithley 2015 THD Multimeter Display Replacement

EDC-501J Voltage Standard F/Panel - Follow Up

EDC-501J Voltage Standard F/Panel - Follow Up

EDC-501J Voltage Standard Custom Front Panel Controls

EDC-501J Voltage Standard Custom Front Panel Controls

Troubleshooting an I2C interface issue on a 48k ZX Spectrum interface

Troubleshooting an I2C interface issue on a 48k ZX Spectrum interface

ZX Spectrum 48K - How to replace the ROM with an EPROM

ZX Spectrum 48K - How to replace the ROM with an EPROM

Alesis MultiMix4-USB 4Ch Mixer Repair

Alesis MultiMix4-USB 4Ch Mixer Repair

Stanford Research Systems SR650 Dual Channel Filter Repair - Part 2

Stanford Research Systems SR650 Dual Channel Filter Repair - Part 2

Stanford Research Systems SR650 Dual Channel Filter Repair - Part 1

Stanford Research Systems SR650 Dual Channel Filter Repair - Part 1

Philips PM3585 Logic Analyzer Repair

Philips PM3585 Logic Analyzer Repair

Tektronix P6046 Differential Probe PSU Repair

Tektronix P6046 Differential Probe PSU Repair

CSI Bench Power Supply - Constant Current Mode Modification - Production Pcb

CSI Bench Power Supply - Constant Current Mode Modification - Production Pcb

CSI Bench Power Supply - Constant Current Mode Set - Production Pcb

CSI Bench Power Supply - Constant Current Mode Set - Production Pcb

CSI3003X5 Bench Power Supply - Constant Current Mode Modification - Update

CSI3003X5 Bench Power Supply - Constant Current Mode Modification - Update

CSI3003X5 Bench Power Supply - Constant Current Mode Modification

CSI3003X5 Bench Power Supply - Constant Current Mode Modification

Mastech MS7221 Volt/mA Calibrator Repair - Follow Up

Mastech MS7221 Volt/mA Calibrator Repair - Follow Up

Pioneer Amplifier Repair & Motorized Volume Control Conversion

Pioneer Amplifier Repair & Motorized Volume Control Conversion

Homemade Segway construction info

Homemade Segway construction info

Home built SMD Reflow Oven

Home built SMD Reflow Oven

Fluke 8842A DMM Repair

Fluke 8842A DMM Repair

Panasonic SDR-H81 Camcorder Repair

Panasonic SDR-H81 Camcorder Repair

Maas SPS-50II Power Supply Panel Meter Conversion

Maas SPS-50II Power Supply Panel Meter Conversion

Repair of Racal-Dana 1991 Universal Counter

Repair of Racal-Dana 1991 Universal Counter

Mastech MS7221 Volt/mA Calibrator Repair

Mastech MS7221 Volt/mA Calibrator Repair

RC Joystick V3 USB Version - Menu/LCD Operation

RC Joystick V3 USB Version - Menu/LCD Operation

Home Made Segway - Test with large wheels

Home Made Segway - Test with large wheels

Home Made Segway - Steering Test

Home Made Segway - Steering Test

Home Built Segway - First run!

Home Built Segway - First run!