Iron (20W)
1
Solder wire
Multimeter
Screw driver
User Manual
Rev. 05
DSO138mini Oscilloscope DIY Kit
2
3
4
Flush cutter
5
Tools you need
Tweezers
6
Test and Assembly Main Board
Step 1
JYETech Ltd.
1. Resistors
Always meter resistor
values before soldering
because color bands are
easy to mis-read.
Note:
R1, R13
100K
Ω
R2 1.8M
Ω
:
:
R3, R15
200K
Ω
:
R4
2M
Ω
:
R5 20K
Ω
:
R6, R14, R17
300
Ω
:
R7, R11
180
Ω
R8, R12
120
Ω
:
:
R9, R10, R16
1.1K
Ω
:
D1
Zener, 2.0V
2. Diode
:
6 X 6 X 9mm
12. Tact Switches
:
BTN1, BTN2,
BTN3, BTN4
6. Ceramic Capacitors
0.1 F
μ
:
220pF
:
3pF
:
C1
1pF [ver. H only]
:
C7
:
C2
C3
C5
J1, J6
2 Pin, 2.54mm,
rightangled
7. Pin header
:
Cathode
C4
5 - 30pF (green)
5. Capacitor trimmers
:
10. Pin-headers (male)
1 X 10 pin
:
J5
1 X 3 pin
:
J2
SW1, SW2, SW3
2P3T
9. Slide switches
:
Check values & quantities against parts listed
1
Understand all part polarities and orientations
2
3
Before you start
Page 1
(Model: 13805K)
Applicable firmware: 113-13810-110 or later
8. Electrolytic capacitors
:
100
μ
/ 1 6 V
F
Solder positive pole
(the longer lead) to
the square pad
C10, C11,
C12, C13,
C14
Assembly Analog Board (follow the order as numbered)
Step 2
1. Check the main board
Before mounting any parts to the main board
Use an USB cable with USB-Micro plug to power
the main board through J7.
1
2
You should see the scope boots up to a screen
similar to the photo below. D1 (LED) should
blink three times during the booting.
Apply power
Check
display
1
2
:
1 X 10 pin
J4
:
1 X 2 pin
J8
2. Pin-headers (female)
Attention
Do not solder any parts to the board if
you find problem. Otherwise warranty
will be voided. Report to your vender
or JYE Tech for any problem found.
L1,L2
100 H
μ
3. HF-Chokes
:
Do not install J1 if BNC
connector is to be used.
Note:
1 ) Make a small ring with a
lead cut-off.
11. Test signal ring
2 ) Solder the ring to the two
holes of J4 (as shown in
the photo).
Prepare a USB cable with USB-micro connector
Resistors are all 1/8W.
1 X 2 pin
:
J3
:
1 X 3 pin
J9
Applicable PCB: Main: 109-13800-00I
Analog: 109-13801-00[H, J]
SW4
DPDT
:
4. LED
13. Jumpers
Short JP2 and JP3with
solder (see photo at left).
Keep JP4, JP5, JP6 (on
the bottom side) open.
JP1 has been pre-shorted.
Solder positive pole
(the longer lead) to
the square pad
D2
LED, blue,
dia. 3mm
:
Instructions for optional parts (including
and
) are not given in this manual. If you have purchased these parts please
refer to their own manuals available at
.
BNC probe, enclosure,
battery
charger
1
for other documents about schematics,
troubleshooting, firmware upgrade, mechanical, waveform upload, etc.
2
Notes
Tech Support: www.jyetech.com/forum
Items marked with [H] are for analog board ver. H. Items marked with [J] are for
analog board ver. J.
3
C6
5 - 30pF (green)[H]
:
2 - 6pF (blue)[J]
120pF [H]
500pF [J]
[ H ]
[ J ]
