Help with JSR03 +5v and +9v

[persomail]

Hi,

I have built two JSR03 in order to supply a CDPRO. One in order to have +5v and one for +9v.
BOM used for +5v is:
R1   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R2   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R3   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R4   47R   47â,,¦ 0,6W 1% metal film   1
R5   5k6   5,6kâ,,¦ 0,6W 1% metal film   0
R6   56k   56kâ,,¦ 0,6W 1% metal film   0
R7   470R   470â,,¦ 0,6W 1% metal film   1
R8   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R9   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R10   Strap   Strap                            0
R11   47R   47â,,¦ 0,6W 1% metal film   0
R12   47R   47â,,¦ 0,6W 1% metal film   1
R13   10k   10kâ,,¦ 0,6W 1% metal film   1
R14   100R   100â,,¦ 0,6W 1% metal film   1
R15   220R   220â,,¦ 0,6W 1% metal film   1
R16   220R   220â,,¦ 0,6W 1% metal film   1

C1   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C2   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C3   100u/25 MV-AX   100 uF, 25 V, capacitor, electrolytic, standing, diam 7 mm, 5 mm grid   1
C4   100u/25 MV-AX   100 uF, 25 V, capacitor, electrolytic, standing, diam 7 mm, 5 mm grid   1
C5   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C6   100u/25 MV-AX   100 uF, 25 V, capacitor, electrolytic, standing, diam 7 mm, 5 mm grid   1
C7   100u/25 MV-AX   100 uF, 25 V, capacitor, electrolytic, standing, diam 7 mm, 5 mm grid   1
C8   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C9   100p/100NP0   100 pF, 100V, capacitor, ceramic, NP0, 2.5x5 mm                            0
C10   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C11   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C12   100u/25 MV-AX   100 uF, 25 V, capacitor, electrolytic, standing, diam 7 mm, 5 mm grid   1
C13   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C14   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1

T1   BC560C   PNP 45V 100mA 0,5W 150MHz Hfe420/800         1
T2   BC860C   PNP 45V 500mA 0,25W 150MHz Hfe 160-400   0
T3   BD139   NPN 80V 1A 8W 250MHz                                   0
T4   D44H11   Bipolar transistor NPN                                           1
T5   BC860C   PNP 45V 500mA 0,25W 150MHz Hfe 160-400   0
T6   BC560C   PNP 45V 100mA 0,5W 150MHz Hfe420/800      1
DZ1   LED5mm   Red   LED 5mm transparent                            1
H1   LED5mm   Red   LED 5mm transparent                             1
IC1   LM317T   Voltage regulator, 1,25-37V 1,5A, TO-220           1
IC2   LM431   Shunt regulator, 2,5-36V, 770mW, TO-92           1
IC3   Opamp      DIL08   Operational amplifier, DIL08 package   1
IC4   AD825AR   Opamp, video, high speed                                   1

BOM used for +9v is:
R1   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R2   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R3   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R4   47R   47â,,¦ 0,6W 1% metal film   1
R5   12k0   12kâ,,¦ 0,6W 1% metal film   5
R6   56k   56kâ,,¦ 0,6W 1% metal film   0
R7   470R   470â,,¦ 0,6W 1% metal film   1
R8   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R9   1k0   1,0kâ,,¦ 0,6W 1% metal film   1
R10   Strap   Strap                                   1
R11   47R   47â,,¦ 0,6W 1% metal film   1
R12   47R   47â,,¦ 0,6W 1% metal film   0
R13   10k   10kâ,,¦ 0,6W 1% metal film   1
R14   100R   100â,,¦ 0,6W 1% metal film   1
R15   220R   220â,,¦ 0,6W 1% metal film   1
R16   220R   220â,,¦ 0,6W 1% metal film   1
         
C1   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C2   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                    1
C3   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C4   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C5   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C6   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C7   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C8   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                    1
C9   100p/100NP0   100 pF, 100V, capacitor, ceramic, NP0, 2.5x5 mm                             0
C10   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C11   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C12   100u/35 MV-AX   100 uF, 35 V, capacitor, electrolytic, standing, diam 8 mm, 5 mm grid   1
C13   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
C14   100n/63MKS   100 nF, 63V, capacitor, polyester, 2.5x5 mm                                   1
         
T1   BC560C   PNP 45V 100mA 0,5W 150MHz Hfe420/800           1
T2   BC860C   PNP 45V 500mA 0,25W 150MHz Hfe 160-400   0
T3   BD139   NPN 80V 1A 8W 250MHz                                   0
T4   D44H11   Bipolar transistor NPN                                    1
T5   BC860C   PNP 45V 500mA 0,25W 150MHz Hfe 160-400   0
T6   BC560C   PNP 45V 100mA 0,5W 150MHz Hfe420/800           1
DZ1   LED5mm   Red   LED 5mm transparent red 140mcd           1
H1   LED5mm   Red   LED 5mm transparent red 140mcd           1
IC1   LM317T   Voltage regulator, 1,25-37V 1,5A, TO-220           1
IC2   LM431   Shunt regulator, 2,5-36V, 770mW, TO-92           1
IC3   Opamp      DIL08   Operational amplifier, DIL08 package   1
IC4   AD825AR   Opamp, video, high speed                                   1

- After the first power on I had +14.5v on both output. I discovered that I mounted led at DZ1 in wrong direction, I did the correct and I had led lit on but with an output value of 3.45v and 7.20v instead of +5 and +9v
- I saw after that I forgot J1 & J2, I did the solder of J1 and J2 for both JSR03. Now I have +3.38v and 5.0v instead of +5 and +9v. The JSR03 +9v generate +5v.

A question for JSR03 +5v, does a strap is needed at R10?
Thx for your help

[persomail]

Excel sheet of BOM

[peranders]

Can you measure the input voltage and the voltages an pin 2, 3, 6 and 7 at the opamp?

[persomail]

Thx for your help :-)
I did the measure, results are below, for AOP I did it between output GND and each pin.

JSR03 +5v:
Vin = +17.08v
Vaop2= not measurable, when I try to do the measure leds switch off, as soon as I remove probe from pin 2 leds switch on  :-o :roll:
Vaop3= +2.50v
Vaop6= +1.21v
Vaop7= +5.73v
Vout= +3.40v

JSR03 +9v:
Vin = +16.72v
Vaop2= +2.50v
Vaop3= +2.50v
Vaop6= +2.85v
Vaop7= +4.75v
Vout= +5.00v

[persomail]

I go over your BOM and my BOM (that was took from HCFR forum where a guy who did the same project than me gave information). For JSR03 +5v I saw that in your BOM R10 = jumper when in mine there is nothing for R10. I did the add of this jumper and now results are:

JSR03 +5v:
Vin = +16.90v
Vaop2= +2.50v
Vaop3= +2.50v
Vaop6= +2.86v
Vaop7= +7.26v
Vout= +5.00v

So JSR03 +5v is now working properly, I followed a wrong BOM, sorry :oops:.

I did the same check for JSR03 +9V, differences with mine are:
- R4 = 10k in your BOM (I have a 10k in my tools box)
- R5 = 3k9 in you BOM (I have a 3k92 in my tools box)
- R11 = nothing
- R12 = 47r
I will do the modification this morning and will keep you posted :wink:

[peranders]

I'll suggest that you doubleckeck your work with my BOM. The reference voltage for the 9 V version is wrong. Should be 4.5 volts. You have now 2.5 V. The LM431 seems to be without feedback.

[persomail]

Thx, I will do a full check today. Question does trial can have destroy LM431 or other stuff?

[persomail]

A small question, I need to perform a check versus your last BOM available on your website? (uploaded on July 4th)

[peranders]

Thx, I will do a full check today. Question does trial can have destroy LM431 or other stuff?

Probably not. Reversed polarity is more harmful.

[peranders]

A small question, I need to perform a check versus your last BOM available on your website? (uploaded on July 4th)

I'll recommend that. Do you use AD825?

[persomail]

Yes it's a AD825.

This morning I did change of resistors as said in previous email, results led lit on and after few 1-2 seconds emit off.

I did a stupid think is to move R12 to R11 and put for R5 a 12k, results fuse of main board fused, it a 315ma temp. Do you think any transistor aop was destroyed during this test? Do I need to remplace LM431? I will do a full check this afternoon, put compoment according to your BOM.

I need to go to buy some fuse, as I have no more fuse, I planned to buy new LM431, BC560C, LM317T, D44H11 as they are chip. Do you think , I need also to take a new AD825 which is more expensive?

Thx for your help :wink:

[peranders]

Blown fuse indicates a more serious error. I could imagine that the transistor connected to the opamp may be broken.

[persomail]

Hi,
I did a full check according to you BOM? I have put R4 = 10k, R5= 12k, R11 = nothing, R12 = 47r, now I have 9.10v at the output, so working well. Unless the blow of a fuse, transistors was not destroyed.
Just a comment in your Excel sheet on your website there is still 3k9 for R5 and 9v, I find the right value according to a recent post :wink:.