JYE Tech DSO 068 Assembly Manual

Download

Iron(20W)

Solderwire Multimeter

Screwdriver

AssemblyGuide

Rev.03

DSO068OscilloscopeDIYKit

2 3

Flushcutter

Tools

Checkpartvalues&quantitiesagainstpartlist

Meterandidentifyresistorvaluesbyohmmeter Understandallpartpolaritiesandorientations

2 3

GetReady

Tweezers

Putleadsthroughmountingfrominstallationsideof PCB.EnsuetheyevenlytouchPCB(picturebelow).

SolderattheothersideofPCB.Soldershouldfully fillandcoversolderingpads. Avoidbridgeswith neighberingpads.

Cutunusedleads flushwithcutter.

PartList

A. B. C. D. E. F.

BOBBoardInstallation

AssemblytheMainBoard

LED

Neg.P.S. Conv.

Diode

ElectrolyticCap.

Resistor

Reset

USB-UartConv.

Inductor

USBSocket

Volt.Step-upConv.

Main MCU

Transistor

CeramicCap.

CBBCap

Cap.Trimmer

Crystal

LCD Contrast Adj.

PowerSwitch

External P.S.Conn.

Batt.Charger

BackSide

SlideSwitch

LCDModule

RotaryEncoder

FrontSide

ASSY2

ASSY3

ASSY1

Cutleadsshort underLCD

LayPCBflat.Insertmountingstripswithlongerpins intoholes.

Labels

B. C. D.

LCDInstallation

Step1

SolderingSkillsandRequirements

Payspecialattentiontopartpolarityatsoldering.Refertophotostotheright. ForBOBboardsandLCDsolderingrefertophotosatbottomfordetails.

Installpartsbytheorderofpartlist.Startfromthebacksideofmainboard.

Performpower-uptestsassuggestedinthepartlist.

Completethestepsin"GetReady"andunderstandsolderingrequirements.

Important!UnusedleadsunderLCDmustbecutflushtoavoidshorttoLCDmodule!

JYE116 JYE117 JYE118 JYE119 JYE120

Diode LED Electrolyticcap. Transistor

Identify Polarity& Orientation

（）Pin1indicatedbyarrow

510K5%1/8WΩ，， 200KΩ，，1%1/8W

2MΩ，，1%1/8W

20KΩ，，1%1/8W 300Ω，，1%1/8W 180Ω，，1%1/8W 120,1%,1/8WΩ

3.3KΩ，，1%1/8W 470Ω，，1%1/8W

10K1Ω，，%1/8W

1K5Ω

，，%1/8W

2 2

1 3

1 2

3 3

R1,R27 R3 R2,R4 R5 R6 R7 R8,R12,R21 R10,R22 R11,R31,R33 R9,R20,R30 R24,R25,R26,R28,R29

300pF,ceramicdisk 3pF,ceramicdisk 1pF,ceramicdisk 120pF,ceramicdisk

0.1uF,ceramicdisk

100uF,16V,φ6

X7mm

10uF,16V,4φX5mm

15pF,ceramicdisk

12 C9,C10,C11,C12,C14,

C15,C16,C18,C20,C24, C25,C26

2 C2,C23

1 1 3

C17,C27,C28,C29,C30

C19

C21,C22

LED,3mmφ ,red D11

D2,D3

USBsocket,BtypeMiNi-

1 J1

2pins,2.54mm 1

100uH,2.5X6mmφ 3 L1,L4,L5

8550,TO-92(E-B-C)

Q1,Q2

Tact,6X6X5mm

1 SW12

20MHz，φ2X6mm

1 Y1

0.1uF/100V,CBB

1N4148DO-35，

C4 C6 C7,C13,C32

JYE119,UART-USBconv.

JYE118,batterycharger

JYE117,On/Offswitch

JYE116,step-upconvertor JYE120,neg.P.S.convertor

BOB1

（）

optional

BOB2

（）

optional

BOB3optional

（）

BOB4 BOB5

DC005,2.1

φ mmcore J21

1 1

Type/Spec

QtySeq.

DIP2.54mm5X2，，

SIP,2mm,20X1 SIP,2mm,2X1

1 2

J4,J5Donotinstall

（）

LCD

128X64graphic,12864-16 1

LCD1

SlideswitchSS-23D06， RotaryEnc.,EC11,10mm

SW1,SW2,SW3

SW4

PCB#:109-06800-00H 1

Catagory

Top(1),bottom(1),stand(1) switchcaps(3),dialcap(1)

1set

7-keysiliconebuttonpad

2-coreheader/wire,10cm

2.3*8mm,selftapping

BNCBNC-KY，

1 2 1 4

5 6

7 9

8 10

11 12 13 14 15

23 24

27 29

35 36

42 43 44

46 47

BOBsandJumpers

（）

BOB4

（）

BOB3

（）

BOB2

（）

BOB1

（）

BOB5

Battery Conn.

Extention Ports

Buzzer

A/DConverter

KeepJP1openifBOB2 isinstalled.Otherwise closeit.

TIP: Resistorvaluesareeasilymis-read. Metercheckingisstronglysuggested.

BOBBoardsOrientation

Shieldingwire,8cm

5V,passive,9X5.5mmφ 1 BP1

Note:PleaseinstallbytheordergiveninthePartListbelow.

TIP: C3andR32 arenotrequired.

TIP: DonotinstallJ4ifbatteryistobemountedonbackcover.Insert thepinsintoprogrammerheadertoperformU4andU5programming.

KeepJP2openifBOB3 isinstalled.Otherwise closeit.

Identifytheholeswithlabels onLCD.Theyshouldgo withthelongstrip.

PutLCDontostripsasshown. Solderpinsatcornersfirst.Do therestafterflatnessensured.

TurnLCDandmainboardover. Completesolderingfollowing sameproceduresasinC.

Usethesmallacrylic toolprovided.

Applysoldertoone pin.

Applysoldertothe correspondingpinon mainPCB.

PutBOBtoplace andalignpads.

MaintainBOBupright andfixitbymelting thesolder.

Finishtherestpins.

Designator/Location MainPCB Resistor

Diode Inductor Crystal Connector Switch Capacitor

Buzzer Diode

Transistor

Connector

Electro. Capacitor

Connector BOB Board

Performpower-uptest1asdescribedonthereversepage.

Switch

Pin Strip

Pinstrip Enclosure

Switch

Wire

Connector

Screw

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Moreatthereversepage

10M,5Ω

%,1/8W R40

Continuefollowingassemblyafterthetest.

Keypad MCU

Test Signal Output

Pin1(squarepad)indicated byarrow

Shortwithsolder JP9

Jumper

Performpower-up test2asdescribedon thereversepageafter allcomponentshave beeninstalledon board.

()

PCBVersion:H

Doublechecktoensurenomissedorcoldsolderorshorts

CloseJP2forthetimebeing(evenBOB3isinstalled) KeepJP3JP4open、

CloseJP1ifnoBOB2

KeepJP1open MakesureBOB2in

Powerup.Checkvoltage at+5Vtestpoint.Isit+5V?

Poweroff.CloseJP4

Powerupandcheck+5V again.Isitstill+5V?

LCDbacklighton ？

Adjustcontrast.Canyou seedisplay?

Pressbuttons.Doyousee reactiononscreen?

Setcursortotimebase.Turn [ADJ]dial.Doyousee timebasechange?

Powering-upTest1

Yes

USBpowered Batterypowered

MakesureBOB4andBOB5havebeeninstalled

Follow"NoPower" flowcharttocheck

Checkforsolderingmistakes. Wrongpolarity,shorts,etc.

Follow"LCDDark" flowcharttocheck

CheckU5andsoldering ofbuttonrelatedpins

Follow"Nodisplay" flowcharttocheck

CheckU5andsoldering ofrotaryencoderpins

AV-

AV+

V-

+5V

SYSCLK

Contrast Adj.

JP4

JP3

JP1 JP2

JP6

USB Connector

(About+5V)

SignalInput

Referencepointfor voltagemeasurement

Allvoltagesaremeasuredwithvoltmeter's(-)poleatreferencepoint(indicated inphotobelow)and(+)poleatpointsofmeasurement.

Notes:

VBUS

V+

(Volt.range:2-5V)

Battery Connector

VS+

WithoutBOB3VS+=V+(duetoJP2closed)：

WithBOB3VS+dependsonstateofBOB3(OnorOff)：

LCDpin18

IsV-normal(-5V)?

CheckBOB5andC27

CheckL1,C28,C11,andC12

CheckL5,C16,andC17

SetSW1,SW2,SW3toGND, 10mV,andX1respectively

IsVAnormal(+5V)?

CheckL4,C29,C9,andC10

IsV2measured0V？ CheckSW1,SW2,andR1

IsV3measured0V？

U1mayhavebeendamaged

isV4measured~1.6V？

CheckSW3,R9,R10,R11

AdjustVPOS.Canyousee tracedisplayed?

Follow"NoTrace" flowcharttocheck

InstallBatter& Enclosure

USBpowered Batterypowered

Batteryvoltageok?IsVBUSmeasuredok?

IsV+measuredok?IsV+measuredok？

IsVS+measuredok?

Is+5Vmeasuredok?

BOB3installed?

Powergood

CheckBOB3

CheckJP2

Checkbatt.

CheckBOB2

CheckUSB

CheckD4

CheckBOB4

IsvoltageatLCD pin195V?

Checkrelated connections

ShortCandEofQ2. DoesLCDlightup?

CheckQ2,R30and connectionwithU5

PossibleLCD issue

PressSW12.DoesLEDblinkasitshouldbe?

U4andLCDconnectiongood?

LCDdefective

Fixbadconnections

CheckY1,C21,C22

Re-programU4

VoltatU4pin20toolow?

IscontrastchangeablebyPOT1? VEE.atLCDpin18negative?

CheckPOT1andrelatedCheckallconnectionsbetween

U4andLCDforopensorshorts.

VTandVBnormal? U3damaged

ConnectionbetweenU4 pin17andU3pin12good?

U3hasbadsoldering orhasbeendamaged

Checkout thecause

Ensureallanalogvoltages arenormal(seephoto)

PowerUpTests

Troubleshooting

A. B. C. D.

E. F. G. H.

PressSW12.DoyouseeLED blinkonce(ifbootloader installed)andthentwice?

CheckY1C21C22、、

LEDreversed? U4pin20voltagelow?

Continuetoinstall partsonthefront

PoweredbyUSB:V+VBUS-0.7V≈

PoweredbyBatt.:V+VBAT≈

（）+5V

（）-5V

（）+5V

（）-5V

（）0V

（）~1.6V

（）0.6V

（）2.6V

（）0V

（）+5V

（）About-5V

(Batteryvoltage)

VBAT

（）2.5V

（）~1.6V

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JP5

AdjustCompensation Capacitors

Compensationcapacitorscanbe adjustedusingthebuilt-insignal generator.Followstepsbelow:

Temporarilyconnecttestsignaloutputto scopeinputwithapieceofwire

Notenough

通电检查

Good

通电检查

Toomuch

通电检查

Connecttestsignaloutputtoscopeinput (seephotobelow)andsetSW1toDC.

Powerup.Settestsignalto10KHzand 5V.Setscopetimebaseto20us.

SetSW&SW3to1V&X2respectively. Adjusttriggerleveltomakedisplay stableifnecessary.ChangeC8toobtain waveformasthemiddleofphotosleft.

Keepsignalfrequenceunchangedand setamplitudeto1V.SetSW2&SW3to

0.1VandX5respectively.Makedisplay stable.ChangeC5toobtainwaveform asthemiddleofphotosleft.

Removeconnectionbetweentestsignal outputandscopeinput.Adjustmentis done.

JP7 JP8

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Thisisby-passofchargerBOB2.Ifbattery

isnotused(i.e.noBOB2)keepJP1closed.

Thisisby-passofswitchBOB3.IfBOB3 isnotusedJP2shouldbeclosed.Inordertofocus onthemaincircuitJP2canbetemporarilyclosed atpower-uptestevenBOB3isinstalled.Keepit openafterthetest.

JP2：

Thisisby-passofstep-upconverterBOB4.

UsuallyJP3shouldbekeptopen.

JP3：

Thisistheconnectingpointofpowersupply totherestcircuits.ForsafetyJP4shouldonlybe closedafterpowersupplyistestedgood.

JP4：

Step2 Step3

Step4

Yes

IsAV-normal(-5V)?

IsAV+normal(+5V)?

Yes

No No

NoPower

LCDDark

NoDisplay

NoTrace

Yes

NoNo

Yes

Voltageswith""aremeasuredwhenSW1(couple)isplacedatGNDposition.

MajorJumpersExplained

JP1：

InstallBNCconnectors andplacesiliconepad.

Capslideswitches.Insert boardtoconnectorholes.

Holdboardtighttowards USBendandpushin.

ConnectinputsignalBNC tomainboardasshown.

Connecttestsignalwith shieldingwireprovided

Tighttwoscrewsandattach batt.tocenterofbackcover

Putonbackcover.Tight thetwoscrewsasshown.

Putdialcaponandyou aredone.

TechSupport:

JYETechLtd.

JP9

Central conductor

Outter conductor

Tight Screw

Scopeinput

Test signal output

Powering-upTest2

Done

Note: JP9mustbeclosed

beforepower-uptest2

TIP: CloseJP7toenable

buzzer.ItbeepsasLEDblinks

Note: KeepJP2open

afterthepower-uptests

QuickWaveformDiaplayTest

Touchprobetipwithafingerto showintroducedmainlinesignal

Thisjumpershouldalwaysbeclosed.JP9：

PowerSupplyOptions

Source BOB2 JP1 Remarks

USB

Yes Open No Close

Int.Batt. Yes

Open

Ext.Batt.

(J2)

Yes Open

CloseJP5

Ext.5V

(J2)

Yes Open No Close

InstallD5(D5 isnotprovided)

Note: Donotsimultaneouslyconnect

externalandinternalbatteries.

JYE Tech DSO 068 Assembly Manual

Specifications and Main Features

Frequently Asked Questions

User Manual