DM330MVC Ailjustment and Testing manual

PROTECTCIGAR SOCXIT PATSE'I POITR

E E

PRESEIPMSETSUITCH

MD'IIR POIIIRPUSH TMTINAL

REIOTE

II

FRONTSIDE

0 0RT6 RP7

(VOLTACIJ 1{v0lflgt0R)

X5

oPR8

(l1litETBR)

D M 3 3 O M V

BOTTOMSIDE

REARSIDE

DC

s5r-rlPRI

0R0TECI)200 00Y

TERI{INAL

INPUT CABLE

Chsk the below itens before sulply the AC voltage. It's possible to blast theelechic parts, ifmistake to put on ii.t) Chek il the directio! oI the 55 is conect side.2) Ch{k ifthe direction of the diodes and the capaotors de risht side.3) Check ifthere is no shorting betwes pdmaily sde and seconrUy side.4) Check if the wiEs arenl touchins the blade of fan notor5) Chech if thelnistor is touched the heat sink.

Output VoltasB adjustnent1) 1\m on the test uait. lteD check if tum on the lower inihcator ed t[e

2) Adjust the PR3 to the cenier position.

3) Adjust the PR6 at the m loadinR conditioa to output voltage be@mer3.8+'0.05v

t) Set the mete! swit h to "\r siile.2) Adjust the PR? to the neeiUe of the neter inihcate 13.8V

l'lEASURINCINSIRUMEN

,{\I\IFTE

3) Set the meter switch to "A' siile.4) Load the 2SAcunent by ihe loatlel nachine.5) Adjust rhe PR8 to the neeille of the meter inrlicate 28A.

Output Voltage cor6naiion1) Ch*k i{ it's lo$ible to adjust the voltase ftom 4.5+ 1.0V to 15.2+ 0.5V by

PI€.2) Adjusi the PR3 to the centel (13.8\,, ddloail the cunent to 28A. Then

check ihe below tlinss.I) Check iJ out put voltage is 13.8+ 0.5V2) Chsk iJ the inalicatiotr o{ the voltase freter is stable.3) Chek ifthe voltage dilplay in the osilio*ope is stable.4) Chsk ifthe output voltage is keephs stable by shoc}.5) Check ifinput cuueni is less than 4,{.

Over Current Protection adjustmentOver anent prctection

D Adjust the PRt to the enil of @unterdocLwise side.2) Inad the 30.5.4 cuuent by loader nachine.

3) Adjusi ihe PRl doclwise to oltput voltage dovn aroDnd 0.3v

4) when heai ihermistor by heat gu at tlle above condrhon, check if output

voltage decrcase fron above contlition.5) W}len heat Rr03 by heat suD, checL if fd ooto! is working.6) Retum nomar condrtron.

?) When shorf the ouiput tenhal beiveeD positive and nesative, check ifoutlut voltaep andcu$ert become a&und 0-

8) Chek if tuh on the protect ilihcator at the above cotrditiotr.9) Return to Domal conilitio!.

Other Tenindl 6i6dation1) yrhetr adjust ihe PR3 to the center, check if the cisar temiral voltase anil

push terninal voltase is 13.8+ 0.5V

Noise Offset VoluDe confnationr) Check if outlut voltage ir stable wh@ adjust PR3(noise ofset sirle) frcn

Preset Function @nirmationr) Set the lreset switch of S3 to ON siile.

, Check the berow thinss at the abNe cordition.1) Check iJ tuD on the preset indicato.2) Chek if i?s possible t adjust output voltage from 5+ 1-5V to

l5+'r.5Vly PR5.3) Ch<k if carnot adjust output voltase by PR3.

3) Altef checlirg adjust the PR5 io 13.8V

Isolation co!fimatio!Comect the test unit and tlle isolation nachine like the pictue.

i6#ffi1,E. Effi;+

(1) Conneci to oDtput teminal.(2) Connect to body ealth ftealt si!k).

1) Set the value ofisolation nachine Uke the belov Then chek if pass thebelow specfications.

D M 3 3 O M V

volher l6olaron PfrfttE;l Fed*ane lsLtion fElliEti;l

l 0 M o

Shipdent contrrmatio!i) Check if rhe power swit h ofs1is"OFF side.2) Check if the p&set swit h ofs3is"OFrside.3) Chsk if the neter swit l of S4 is "V' side.4) Chek if the voliage volune dd noise of$t volume of RP3 de setting

5) Chek if the cisar s€ket is closed by ca!.6) Chek if thele de no alnormal things lil<e sdatch or defect on the outside

lnpui Voltase 23OVAClOOVAC

50l6OHz (2O0 -

50/60H2 (80 -240VAC Variable)r4OVAC Variable)

Output r3.8V (s ̂ rs\.DC Variable)Circuit System HalfBfidse SysternOutput Voltage

RegulationL€ss than 2%

Shorr 'c ircuiu. Auromaric cumpnL l im ir ing 3lAOver'temperature

Output Current 3oA(nax), 2sA(continuous)Ripple Less than 15mvp p at rated loadFuse

Meter Sinsle VoLt / Current Meter, Back lightSwitchingFrequency

25XHz (20 - 30XHz Va able)

Noise Offsei lunction, Preset FunctionDimensions 190(W) x 69(H) x

(The volume and the terninal

r81(D)nn

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