Electronics > Repair
Tektronix DPO7104 repairs
iAleks:
Your acqusition board looks like this? right?
My board log
--- Code: ---------- VERSION INFO -------
"5.3.5 Build 22"
RTL version
Expected = "5.3.5.22"
Actual = "5.3.5.22"
UI version
Expected = "5.3.5.22"
Actual = "Unknown - UI not Started"
----------------------------
================================================================
SYSTEM INFORMATION:
Stingray
Model: DPO7104
Serial number: C010424
Scope.exe Version: 5.3.5 Build 22; RELEASE
Diagnostics:
Powerup mode: USER
Powerups Count: 74
Timed Demo Info: Timed Demo, 0 days left.
Options:
ASM: Advanced Search & Mark
LT: Limit Test
App 75 Avail
not installed.
Hardware Configuration:
CPU Board Id: 1, 1
Windows Driver version: 1021D
MIA Image version: 10011156
ACL4 Image version: AC140707
Number of channels: 4
Acq board RevA
DEMUXES PRESENT: 4 DEMUXES IN USE: 4
ATODS PRESENT: 2 ATODS IN USE: 2
Track and Holds: 0
ACQ MEM: 268435456
ACQ BW: 1000
ACQ SAMPLE RATE: 5000
DEMUX ASIC REV: 0
FTL PRESENT: 0
Max Recovd Clk: 1.25e+009
CalFilter support: 0
BWE Support: 1
CF StandardBits: 0x00000000
BWE Bandwidth: 1.000e+009
BWE SampleRate: 5.000e+009
IsVista: 0
================================================================
system configuration flags
PREAMP HFD144
PREAMP M668
50 ohm termination
1 meg ohm termination
Attenuator 10x
Advanced Search
Limit Test
Trigger Video
--- End code ---
Track and Holds: 0
pasta2018:
yes.My acquisition board is the same with this one
iAleks:
Im not shure were problem, check this resistors. Then i prepare HDD image for recovery.
And i dont like this string from your console file
Fri Dec 20 23:06:08 2024: DIAGNOSTIC EXECUTION starting ... Pu=2 T=-127C
Maybe this couse board have somewhere bad configuration, this explains the negative temperature value and the attempt to U200.
Can you take good photo your board? Two side of pcb.
coromonadalix:
on some acq of other models you have to rewrite some eeprom, i forgetting for what code ... but it cleared some errors, you have to go in the big tds7k thread
here's some others, for the given scripts i need to restart a computer to get them, the eeprom rewrite ..... not sure all related, but yes the other thread answer seems to point to something who get very hot
https://www.eevblog.com/forum/testgear/tektronix-tds6000b7000b-series-nvram-dump-script/
https://www.eevblog.com/forum/testgear/tektronix-tds8000-backup-calibration-parameters/msg5755891/#msg5755891
pasta2018:
After I downloaded the latest firmware from the Tektronix official website and reinstalled it, the oscilloscope would have a blue screen when I booted up TekScope.
The backup dpo7054 system can be started normally with a backup and will not be blue screen.
Pay attention to my console log, there is also an H10-A error that causes acquisition 361 etc. When I was measuring, I found that the vertical position of channel 2 can be adjusted, while the vertical position of other channels is not adjustable, and it will closely follow the baseline of channel 2.
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