Todays deals on Disc Capacitors?

2000 x 30kV 470pF High Voltage Ceramic Disc Capacitor $2,098.60

1000 x 30kV 470pF High Voltage Ceramic Disc Capacitor $1,199.20

LOT Capacitor Ceramic Disc CDM CM RMC SEE PHOTOS $540.80

4994PCS CERAMIC DISC CAPACITOR Series DN 250V-330PF 10% $200.00

Lot 500 Vishay Ceramic Disc Capacitors 440LD22UPA1-R 2200pF $0.25/pc $125.00

1set 100pcs x38 items Disc Ceramic Capacitor 1KV 1pF ~ 0.01uF 1KV Taiwan $94.10

1000x CERAMIC DISC CAPACITORS 471K 2KV 2000v 470pF Y5R $99.00

1000 pcs Ceramic Disc Capacitors 3000V 3KV 103pF 0.01uF $64.39

1000 pcs Ceramic Disc Capacitors 3000V(3kV) 103pF 8mm $60.96

2000, Philips 2700PF 500V 10% cermic disc capacitor X5S $54.00

1000PCS CERAMIC DISC CAPACITOR RC 15p $52.00

500 Disc Ceramic Capacitor 822 8200pF 2KV +/-20% Z5U $41.20

500 Disc Ceramic Capacitor 103 10000pF 2KV +/-20% Z5U $41.20

500 Disc Ceramic Capacitor 472M 4700pF 2KV +/-20% Z5U $41.20

1000,SHM Ceramic Disc Capacitor 470PF / 472 1KV Y5v 20% $49.99

CERAMIC DISC CAPACITOR COMPONENT KIT $39.95

500 HIGH VOLTAGE CERAMIC DISC CAPACITOR 471K 2KV 470pF $49.90

50pcs 6000v 8200PF ceramic disc capacitors NEW $46.00

1000pcs CERAMIC DISC CAPACITOR RC CAP 0.1UF 104P $49.00

1000pcs CERAMIC DISC CAPACITOR RC 15p $49.00

1000pcs CERAMIC DISC CAPACITOR RC CAP 15 PF 50 Volts $49.00

8000 pcs Ceramic Disc Capacitors 50V 20nF 0.02uF 203pF $46.49

1000 pcs Ceramic Disc Capacitors 3KV 2200pF 2.2nF 222pF $46.49

1000pcs CERAMIC DISC CAPACITOR RC 473PF $46.00

1000pcs CERAMIC DISC CAPACITOR RC 563PF $46.00

100pcs 5000v 20PF ceramic disc capacitors NEW $42.00

100pcs 5000v 82PF ceramic disc capacitors NEW $42.00

100pcs 5000v 68PF ceramic disc capacitors NEW $42.00

100pcs 5000v 380PF ceramic disc capacitors NEW $42.00

1000 pcs 3000V(3KV) 222pF 2200pF 2.2nF 8mm Blue Ceramic Disc Capacitors $45.11

1000pcs CERAMIC DISC CAPACITOR RC CAP 0.01UF 103P $45.00

100pcs 3000v 330PF ceramic disc capacitors NEW $41.00

100pcs 3000v 1500PF ceramic disc capacitors NEW $41.00

100pcs 3000v 3900PF ceramic disc capacitors NEW $41.00

100pcs 3000v 3300PF ceramic disc capacitors NEW $41.00

100pcs 3000v 390PF ceramic disc capacitors NEW $41.00

100pcs 3000v 300PF ceramic disc capacitors NEW $41.00

100pcs 3000v 160PF ceramic disc capacitors NEW $41.00

100pcs 3000v 120PF ceramic disc capacitors NEW $41.00

100pcs 3000v 100PF ceramic disc capacitors NEW $41.00

100pcs 3000v 82PF ceramic disc capacitors NEW $41.00

100pcs 3000v 68PF ceramic disc capacitors NEW $41.00

100pcs 3000v 22PF ceramic disc capacitors NEW $41.00

1000pcs CERAMIC DISC CAPACITOR RC CAP 681PF $44.00

1000 pcs Ceramic Disc Capacitors 3KV 2200pF 222pF 8mm $43.29

muRata DHRB34C102M4FB Ceramic Disc Capacitors (50) $42.49

10000 x Ceramic Disc Capacitors 50V 47nF 0.047uF 473pF $42.31

1000 pcs Ceramic Disc Capacitors 500V 100nF 0.1uF 104pF $36.26

8000 pcs Ceramic Disc Capacitors 50V 100nF 0.1uF 104pF $36.79

10000 x Ceramic Disc Capacitors 50V 4700pF 4.7nF 472pF $36.79

15 RMC .01uf 3000V 3kV Ceramic Disc Capacitors New $32.00

100pcs 3000v 13PF ceramic disc capacitors NEW $36.50

50pcs 6000v 15PF ceramic disc capacitors NEW $36.00

100pcs 3000v 2000PF ceramic disc capacitors NEW $36.00

50pcs 6000v 30PF ceramic disc capacitors NEW $36.00

50pcs 6000v 110PF ceramic disc capacitors NEW $36.00

50pcs 6000v 75PF ceramic disc capacitors NEW $36.00

50pcs 6000v 50PF ceramic disc capacitors NEW $36.00

600 pcs Ceramic Disc Capacitors 3000V(3kV) 103pF 8mm $38.87

200 Disc Ceramic Capacitor 472 3KV 4700pF 20% Z5U $30.70

8000 pcs Ceramic Disc Capacitors 50V 680pF 681pF $37.19

500pcs Disc Ceramic Capacitor 102M 1000pF 2KV +/-20% Z5U $28.00

10pcs 7.5kV 1500PF High Voltage ceramic disc capacitors $29.00

100 Disc Ceramic Capacitor 472M 4KV 4700pF 0.0047uF 20% $27.50

500 Disc Ceramic Capacitor 152 1500pF 2KV +/-20% Z5U $27.50

500 Disc Ceramic Capacitor 222M 2200pF 2KV +/-20% Z5U $27.50

40 x 30kV 220pF High Voltage Ceramic Disc Capacitor HV $36.00

Elenco 100 Capacitor Component Kit Equipment Ceramic Disc Assortment Tool NEW $35.99

500 pcs Ceramic Disc Capacitors 3000V 3KV 103pF 0.01uF $35.87

50pcs 6000v 82PF ceramic disc capacitors NEW $32.00

50pcs 6000v 22PF ceramic disc capacitors NEW $32.00

50pcs 6000v 39PF ceramic disc capacitors NEW $32.00

50pcs 6000v 68PF ceramic disc capacitors NEW $32.00

100pcs 3000v 2200PF ceramic disc capacitors NEW $31.50

1000pcs 0.22UF 50V 224 Ceramic Disc Capacitors ±20% USA FAST SHIPPING $35.00

1000pcs 0.22UF 50V 224 Ceramic Disc Capacitors ±20% USA FAST SHIPPING $35.00

1000pcs 0.22UF 50V 224 Ceramic Disc Capacitors ±20% USA FAST SHIPPING $35.00

1000 pcs 500V 104pF 0.1uF 100nF 5mm Blue Ceramic Disc Capacitors $34.77

1000 pcs 3000V(3KV) 101pF 100pF 0.1nF 5mm Blue Ceramic Disc Capacitors $34.77

1000 pcs 3000V(3KV) 102pF 1000pF 0.001uF 1nF 5mm Blue Ceramic Disc Capacitors $34.77

8000 pcs Ceramic Disc Capacitors 50V 220pF 0.22nF 221pF $34.03

220pf 6KV (6000V) Ceramic Disc Capacitor – Lot of 250 $28.50

8000 pcs Ceramic Disc Capacitors 50V 100nF 0.1uF 104pF $33.83

1000 pcs Ceramic Disc Capacitors 250V 104pF 0.1uF $33.11

50pcs 6000v 4.7PF ceramic disc capacitors NEW $29.50

8000 pcs Ceramic Disc Capacitors 50V 47nF 0.047uF 473pF $32.99

8000 pcs Ceramic Disc Capacitors 50V 220pF 0.22nF 221pF $32.99

8000 pcs Ceramic Disc Capacitors 50V 4700pF 4.7nF 472pF $32.99

8000 pcs Ceramic Disc Capacitors 50V 220pF 0.22nF 221pF $32.99

8000 pcs Ceramic Disc Capacitors 50V 4700pF 4.7nF 472pF $32.99

8000 pcs Ceramic Disc Capacitors 50V 47nF 0.047uF 473pF $32.99

1000 pcs Ceramic Disc Capacitors 500V 104pF 5mm Blue $32.89

500pcs Disc Ceramic Capacitor 222M 2200pF 2KV +/-20% Z5U $24.30

500 pcs Disc Ceramic Capacitor 251K 250pF 2KV +/-10% Y5P $24.80

1000 x Ceramic Disc Capacitors 3000V 3KV 102pF 0.001uF $32.54

1000 x Ceramic Disc Capacitors 3000V 3KV 101pF 0.0001uF $32.54

50pcs 6000v 47PF ceramic disc capacitors NEW $29.00

1000 pcs Ceramic Disc Capacitors 3KV 2200pF 222pF 8mm $32.39

CERAMIC DISC CAPACITOR KIT $24.95

CAP .0047 500Volt THuF DISC .4SP DISC Quantity 500 #100211 $24.95

Disc Capacitors Questions

JVC VCR Problems In Model HR-J321EM-No Power

A customer sent me a JVC HR-J312EM model VCR for repair. The complaint was no power. I personally don’t repair VCR because I’m more on computer monitor repair. Because of he is a friend of mine; I told him that I’m willing to take the challenge to repair it. Repairing VCR at my era actually has begun to go obsolete because of the market filled with VCD players. VCD player is cheaper than VCR and compact in term of the size. Back then, many people sent their compact disc and laser disc players to electronic repair shop to convert the players into VCD player.

What the technicians do was to add in a mpeg or VCD card and tapped the EFM RF signal from the DSP ic. When you buy the VCD card, it came along with a list of the DSP ic part numbers and pin out and shown you at where you suppose to tap the signal. It was a 15- 20 minutes job and you could earn a lot from it. But now, everyone is using DVD player and VCD already obsolete.

Come back to the VCR player, after opened up the casing and placed my probe on the two pins of the main filter capacitor, I could see the capacitor still holding the charge. If the voltage present at the capacitor pins, this tells us that the main ac voltage is coming in, the fuse and the bridge rectifier is working. There must be a reason as to why the main filter capacitor still holding the charge. By following the positive marking pin of the main filter capacitor, I traced the line circuit and saw two high ohms resistors connected in series.

These two resistors are called start up resistors. The function of the start up resistors is to reduce the dc voltage to a lower value where it can then be supplied to the oscillator circuit and switch the power fet. If either one of the start up resistor developed an open circuit, there would be no supply voltage to the oscillator circuit and the power fet would not switch. Therefore no ac voltage produced at the secondary side of the power supply.

For the above VCR, I found a start up resistor (220 kilo ohms) open circuit and causing no power symptom. Other components such as the power fet, filter capacitor and diodes found to be in good condition. For your information, if either one of the start up resistor spoilt, you have to replace both otherwise the other one would become defective after in service for sometime. Replacements of the two resistors brought the VCR back to life again.

Conclusion, whether you are repairing the JVC HR-J312EM model VCR or any kind of electronic equipment, if you came across the main filter capacitor still holding the charge even with power off, suspect a defective start up resistors. However, certain electronic equipment power supply designed, the capacitor may still hold charge even the start up resistors seems to be working. In this case you have to use other troubleshooting techniques to solve it. Please refer back to my website for more electronic troubleshooting tips.

About the Author

Find out more at the links below. You will be very surprised to discover that LCD and Electronic Component Repairs can make thousands of dollars even for a novice. You can find out the repairing secrets.

Find out How to Repair Any LCD Monitor – It is a breeze!

Learn about Secrets of Electronic Repairs.

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