User Manual
Before you start
DSO
Shell
DIY Kit
See page 2 for
tools needed
Rev. 07
Applicable models: 15001K, 15002K
Applicable firmware version: 113-15001-061 or later
1 Check kit contents and part quantities/values by the photo at right and part list in page2
and page 3. Report missing or wrong parts to your vendor.
2 Resistor values are easy to mis-read. It is strongly suggested to check their values
by ohm-meter before soldering them to board.
3 Make sure you understand the polarities and orientations of all parts.
Important !!!
If your have purchased 15002K kit (SMD not pre-soldered) you must install all
SMD parts before mounting the through-hole parts. Please refer to the instructions
below for SMD part installation. Otherwise, proceed to page2 to start through-hole
part assembly.
SMD parts are only installed to the analog board (PCB PN# 109-15001-xxx).
How to Solder SMD Parts
1. Before soldering check components against the
part list to make sure you have correct parts.
2. Identify IC orientation and diode polarity (see photos).
3. Do not put iron on one pad for too long time. Otherwise,
traces may peel off and get damaged.
SMD Part Lis
Loc/Ref
U1
U2
(For PCB 109-15001-00F)
Qty
1
1
1
1
1
1
2
2
2
8
Descriptions
TL084, SO14
74HC4053, SO16
74HC4051, SO16
78L05, SOT89
ICL7660, SO8
79L05, SOT89
1K,1%, 0805
10K,1%, 0805
0.1uF, 50V, 0805
Cap trimmer, 30pF
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Solder ICs
Pin1
Apply solder to a corner
pad
Solder IC to the pad. Make
sure pins are aligned to pads
O
Solder the pin at the opposite
corner so as chip is fixed
Solder all the rest pins one
by one
Identify IC orientation
U3
U4
U5
U6
R19, R20
R17, R18
C3, C5
C9, C12, C13, C14,
C15, C16, C17, C18
TL 084 C
PIN 1
W
Solder two-terminal parts
M
Note:
Photos here are for
illustration only.
They may not match
the real board.
Solder part to the pad
Solder the other pad
Place IC in front of
you so that its marking
read from left to right.
The first pin at lower-
left corner is pin 1.
W
Apply solder to one pad
JYE Tech Ltd.
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Page 1
Important
If your kit does not have SMD
device pre-soldered you are
strongly suggested to install
all SMD parts before mounting
through-hole parts. Please see
instructions at Page 1.
Tools you need
1 20 - 25W iron for most of parts. For the
BNC connector higher power iron (50 -
100W) is recommended if available.
2 Rosin solder wire (0.8 - 1mm dia.)
3 Digital multimeter
4 Screw driver (phillips, size# 0)
5 Flush cutter
6 Tweezers
7 DC 9V power supply with 200mA (or higher)
current capacity and 5.5 x 2.1mm plug.
8 Needle-nose pliers
9 Small slotted screwdriver (2mm width,
for cap trimmer adjustment)
Soldering Hints
1 Put leads through mounting holes from the side with
part outline. Ensue component evenly touch PCB.
2 Solder leads at the other side. Solder should fully
fill and cover soldering pads.
Avoid bridges between
neighbering pads.
3 Cut unused leads
flush with cutter.
Step 1
Assembly the Main Board (follow the order as numbered)
1. Check the main board
1
2
Before mounting any parts to the main board
connect a 9V power supply (center positive) to J7
on the board to check the display.
You should see the scope boots up to a screen
similar to the photo below. D1 (LED) blinks twice.
Step 2
Assembly the Analog Board (follow the order as numbered)
Note:
Always meter resistor
values before soldering.
Resistors are all 1/8W.
R7
:
300Ω
:
150Ω
R8, R16
R9
Do not solder any parts to the board if you find
problem. Otherwise warranty will be voided.
Report the problem to vender or JYE Tech.
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SW5
:
DPDT
R1
R2
R3
R4
:
510KΩ
O
4. Slide Switch
1. Resistors
M
4. Electrolytic capacitors
2
Check
display
5. Pin-header (male)
J2
:
91Ω
:
30Ω
:
15Ω
:
3KΩ
:
5.1MΩ
R10
Solder positive pole
(the longer lead) to
the square pad
C8, C10,
C11
:
100
μ
F
/ 1 6 V
:
1X4 pin, 0.1" pitch
:
1.
2M
Ω
:
11KΩ
R11, R12
R13
R5, R6, R14 :
1KΩ
R15
:
130Ω
5. BNC connector
J1
:
BNC
1
Apply power
(DC jack is 5.5mm dia.
with 2.1mm core)
6. Tact Switches
2. Ceramic Capacitors
C1
C2
C4
C6
Note:
The thicker pins need
to heat up longer to get
good soldering result.
SW1, SW2,
:
12x12x7mm
SW3, SW4
:
0.1
μ
F
:
330pF
:
1pF
2. Test Signal Terminal
:
150pF
6. Pin-header (male)
J2
:
2 X 5 pin,
7. Remove Resistor R30
J8
Note:
:
4.8 x 0.8mm terminal
3. Slide switch
2mm pitch
SW1
:
2P3T
Before soldering bend the terminal to the
shape as shown in the left photo above.
Finished
3. Power Connector (optional)
J6
:
0.1" pitch, rightangle
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Let iron stay on one pad of the resistor until solder on
the other pad melt and then remove the part.
Note:
R30 is used to bypass SW5 so as the mainboard can be
tested without the power switch. It must be removed
for correct functioning of the power switch.
W
Now apply power again. Test power switch
and tact buttons for their correct functions.
If you have questions post them
to www.jyetech.com/forum.
Page 2
JYE Tech Ltd.
- www.jyetech.com -
Step 3
Assembly Front Module
1. Solder Rotary Encoder
Mount to the small PCB
(PN: 109-15002-00A)
Note:
Please pay attention to the
orientation of PCB. Use the
side with outline marking.
Step 4
Check Voltages
Important !
Alw ays remove power before
connecting or disconnecting
the analog board.
Step 5
Calibration
Adjust trimmers C3 and C5
black clip un-connected (see photo at bottom).
Tips:
Pe rform VPos alignment
before calibrating C3 and C5.
Verify voltages on the analog board
Mea surem ents applicable
1
Attach the analog board to the main board
for
“E”
version PCB
by mating J2 on the analog board to J4 on
(PN:109-15001-00E)
the main board (see photo).
2
Apply 9V DC power supply to J7 (or J6) on
the main board.
V2
Couple
3
Set couple switch to GND position.
V1
switch
V3
4
Check voltages at the points
AV-
AV+
as shown in the photo.
1
Connect the red clip to the test signal terminal and leave the
bring up Test Signal amplitude display at lower-left corner.
Push ADJ to set the amplitude to 0.1V.
3
Set sensitivity to 50mV and adjust trigger level so that
waveform stable (see
“How
to Use” at page 4).
4
Tuning C3 so that sharp rectangle (photo B at left) is obtained.
The adjustment for C3 is done.
2
Apply power and boot. Hold down ADJ dial for 3 seconds to
M
A.
Not enough
2. Assemble Front Module
1
Fit LCD to front panel as shown below.
References
(*) Input dependent
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Input +9.30V
V+ (*) +8.35V
5.0V+/-2%
AV+
V- (*) -7.86V
-5.0V+/-2%
AV-
V1
0V
V2
0V
V3
0V
V4
~1.65V
Place negative
pen at DGND
3.3V. Change sensitivity to 1V. Tuning C5 so that sharp
rectangle waveform is obtained. The adjustment is done.
C3
C5
O
5
Similarly, for C5 calibration push ADJ to set test signal to
V-
V4
V+
B.
Good
Apply power
here
(DC jack is 5.5mm dia.
with 2.1mm core)
Analog board
part number
C.
Too much
2
Fold the main board over while keeping
LCD in place.
Step 6
Put all parts together
Final assembly
1
Screw the analog board to
back cover with the top
bracket attached
Screws
KA2x4
(4 positions)
It is strongly recommended to read the article
“FAQ,
Tips, and Troubleshooting”
at
www.jyetech.com/forum
under the sub-forum
“DSO
Shell”.
2
Combine the front module and
the back cover
3
Make sure receptacle (J4)
mate with pin-header (J2)
4
Attach bottom bracket before
holding the two modules
together
Bottom bracket
Top bracket
3
Mount rotary encoder board to the
front plate with screws and solder the
board to J2 of the main board.
A.
Mount with
C.
Solder here
screws
(KA2x4)
Put test signal
terminal through
the small slot
5
Attach the front frame
6
Firmly press the frame in
7
Screw up at the back
8
Attach knob cap and done!
Knob cap
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B.
Make sure PCB evenly
touch the front plate
while doing C.
Front frame
Important !
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Screws PA2.3x8
(4 positions)
JYE Tech Ltd.
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Page 3
How to Use
More Functions
Functions
Oscilloscope
State
Vertical
Position
Indicator
Horizontal
Position
Indicator
Trigger Level
Readout
(This becomes
trigger state for
firmware version
-055 or later)
Trigger
Level
Indicator
Trigger
Mode
Trigger
Slope
HOLD
/
RUN
Button
Trigger
Button
Sen sitivity
Bu tton
Display and Controls
Operations
Set Couple Switch to GND position. Hold down [V/DIV] button for about 3 seconds.
Hold down [OK] button for about 3 seconds. This will turn ON or OFF on-screen display of
measurements including Vmax, Vmin, Vavr, Vpp, Vrms, Freq., Cycle, Pulse width, and Duty cycle.
VPos Alignment
Measurements
ON/OFF
Save Waveform
Recall Waveform
Default Restore
Center HPos
Center Trigger
Level
Fast Adjustment
Press [ADJ] & [ SEC/DIV ] buttons simultaneously. The currently displayed waveform
will be saved to EEPROM. The existing data in EEPROM will be over-written.
Press [ ADJ ] & [ Trigger ] buttons simultaneously.
Recalled waveform is always displayed
Hold down [SEC/DIV] and [TRIGGER] buttons simultaneously for about 3 seconds.
Hold down [SEC/DIV] button for about 3 seconds. This will make the data at the center
of capture buffer displayed.
Hold down [TRIGGER] button for about 3 seconds. This will set the trigger level t0 the
medium value of signal amplitude.
Short press of [ADJ] toggles
Fast Adjustment
mode on and off for VPos, HPos, and
Trigger Level. A
“>>”
sign appearing at top of screen indicates
Fast Adjustment
is ON.
Test Signal
output
Timebase
(s/div)
BNC
Connector
(Signal Input)
Couple
Sensitivity
(V/div)
Sensitivity
Button
Timebase
Button
Connectors
for Power Supply
(5.5 x 2.1mm)
Power
Switch
Connections
Power Supply:
Probe:
Connect 9V DC power supply to the 5.5x2.1mm
jack at bottom (center positive). Power supply
voltage must be in the range of 8 - 10V.
Connect probe to the BNC connector at top.
Operations
Basic Button Functions
[V/DIV]:
[SEC/DIV]:
[TRIGGER]:
[OK]:
[ADJ]:
Couple switch:
Atte ntion
1. Power supply voltage must not exceed
10V. Otherwise it may damage the ICs
inside.
2. Allowed maximum signal input voltage
is 50Vpk (100Vpp) with the clip probe.
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About Trigger State
Rolling Mode
Adjustment
Dial
The trigger can have three states including Holdoff, Waiting, and Trigged. They are explained below.
Holdoff:
Trigger is disabled until a portion of sample buffer prior to a trigger point is filled with raw data.
Waiting:
Trigger is waiting for a valid signal slope.
Trigged:
A valid signal slope has been detected and registered.
When timebase is set to 50ms or slower and trigger mode is set to AUTO the scope will automatically switch to
Rolling Mode
where waveform shifts from right to left constantly. The trigger is disabled under this mode.
Troubleshooting
Possible Causes
Problems
Bad V+
Bad V-
1
1
O
Connector J7 defective.
Bad C12 and/or C13.
Hint: Check with R27 disconnected would let you know the issue is caused by load or source.
Bad AV-
M
2
2
Couple
Switch
in Hold state.
Diode D2 open or damaged.
U5 (7660) bad soldering or defective.
1
R27 bad soldering or wrong value.
2
2
2
2
2
Shorts between AV- and ground.
Shorts between AV+ and ground.
Bad soldering on R1 and/or R2.
Bad AV+
1
R26 bad soldering or wrong value.
SW1 not set to GND position.
Bad soldering on U1.
Select sensitivity or vertical position. The selected parameter indicator will be highlighted.
Select timebase or horizontal position. The selected parameter indicator will be highlighted.
Select trigger mode, trigger level, and trigger edge. The selected parameter indicator will be highlighted.
Enter HOLD state (freeze waveform). Press it again will de-freeze.
Adjust the parameter seleted (highlighted). Short press toggles
Fast Adjustment
mode.
Set couple to DC, AC, or GND. When GND is selected the scope input is isolated from input
signal and connected to ground (0V input).
V1 does not close
to 0V
1
3
V2 does not close
to 0V
1
3
1
SW1 not set to GND position.
Bad soldering on U1.
Bad soldering on R3 and/or R4.
V3 does not close
to 0V
Bad soldering on U1 and/or U2.
Bad soldering on R5 and/or R6.
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Bad V4
1
Bad soldering on R13, R14, and R15.
Incorrect V4. If V4 is correct perform factory default restore as described in
Specifications
Max realtime sample rate
Analog bandwidth
Sensitivity range
Max input voltage
Input impedance
Resolution
Record length
1MSa/s
0 -- 200KHz
5mV/div - 20V/div
50Vpk (1X probe)
1M ohm/20pF
12 bits
1024 points
No Trace
500s/Div -- 10us/Div
Auto, Normal, and Single
Center of buffer
9V DC (8
–
10V)
~120mA @ 9V
105 x 75 x 22mm
100 gram (without probe and PS)
Timebase range
Trigger modes
Trigger position
Power supply
Current consumption
Dimension
Weight
1
2
2
Make sure trigger mode is AUTO and timebase is 1ms. Hold down [SEC/DIV] and [TRIGGER]
buttons simultaneously for 3 seconds.
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JYE Tech Ltd.
Tel. +86-0773-2113856
www.jyetech.com
Tech forum: www.jyetech.com/forum
Page 4
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