Electronics > Repair
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ElecSeb:
NP, enjoy your vacation  8)
romantronixlab:

--- Quote from: ElecSeb on October 23, 2018, 04:49:10 pm ---
I have some questions for here on the board already:
1. What are these components (ideally with link to a data-sheet):
Q12, Q13 -> Code 337 -> FDN337N -> N-Channel Enhanced Mosfet + body diode -> Cannot find any data-sheet
Q20, Q21, Q43 -> Code 338 -> NDS338N -> P-Channel Enhanced Mosfet + body diode -> Cannot find any data-sheet
U11 -> Code S08H -> No Idea (AND port????)

2. What is the difference between VR05 and U04 (why is one name with a "U" and the other "VR"):
VR05 ->Code 8H -> MMBZ5233BLT1G -> Zener Voltage Regulators 225 mW SOT−23 Surface Mount
U04 -> Code R1E -> LM4041 -> LM4041-N-xx Precision Micropower Shunt Voltage Reference

3. Is this part a correct replacement for the white capacitors (high precision) -> C27 and C36
Code 223 KZS -> Kemet SMC F125PP223J100
(Original part is in PL housing, but that seems not for sale, however, size is then upgraded to PP, SMC series, 223 matches. However, KZ is still unknown in code name) -> Any help would be highly appreciated!

@Nixxon:
If your unit is not doing anything anymore, check if U17 is actually giving juice (even when powered off.
U17 =  Code PCYI -> TPS770 -> Power 5V   ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS

Tomorrow I will try to find my shortage with my toneohm and once fixed I will dig into this unit a little further.

--- End quote ---

1. What are these components (ideally with link to a data-sheet):
Q12, Q13 -> Code 337 -> FDN337N -> N-Channel Enhanced Mosfet + body diode -> FDN337N
Q20, Q21, Q43 -> Code 338 -> NDS338N -> P-Channel Enhanced Mosfet + body diode -> FDN338P
U11 -> Code S08H ->  NC7S08 -> AND GATE -> NC7S08

2. What is the difference between VR05 and U04 (why is one name with a "U" and the other "VR"):[/b]
VR05 ->Code 8H -> MMBZ5233BLT1G -> Zener Voltage Regulators 225 mW SOT−23 Surface Mount.  As the name implies it regulates the incoming voltage to a stable predetermined voltage. Hence VR-Voltage Regulator
U04 -> Code R1E -> LM4041 -> LM4041-N-xx Precision Micropower Shunt Voltage Reference. The U - Integrated Circuit device

Have no clue as to the third Q.  And just typing this I noticed the date of the post.  :palm: Still good information.  ;D

Edit: Updated to reflect added information related to U11 component.
Terry01:
Did you get your meter fixed buddy?
say:

--- Quote from: Terry01 on June 11, 2019, 08:12:59 am ---Did you get your meter fixed buddy?

--- End quote ---
I ruined mine. :(
Terry01:

--- Quote from: say on July 22, 2019, 09:26:42 pm ---
--- Quote from: Terry01 on June 11, 2019, 08:12:59 am ---Did you get your meter fixed buddy?

--- End quote ---
I ruined mine. :(

--- End quote ---

Awe man! That sucks buddy.  :(
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