| Electronics > Repair |
| W&G sna-20/23 spectrum analyzer repair |
| << < (15/20) > >> |
| Gerhard_dk4xp:
same like mine. Even the patch wire on the VG96 connector is the same, and the empty socket. |
| dxl:
--- Quote from: Pude on October 01, 2022, 03:43:05 pm ---Yes, my mainboard is based also on the AMD386sx. Btw. I have not looked yet what is the chip missing from the socket near the processor. Might be some option. --- End quote --- Maybe for an optional i387 FPU? |
| dxl:
Looking at the disassembly of GERPC.EXE from the H version, it looks like there is a command line option '-debugoutput' which seems to take either vga,com1,com2 or buff as argument. EDIT: looks like this is rather a environment variable, so likely something like 'set DEBUGOUTPUT=X' in the startup batch file. where X is: 0 - VGA 1 - COM1 2 - COM2 3 - BUFF However, it doesn't log much more in my QEMU. Maybe on real hardware, i don't know. |
| dxl:
This is the debug output in my qemu: --- Code: ---selector of main() = 0x017F 0:43:24 6283816 Bytes of memory available main: SW-Version 3.13 on SNA 00000 5729456 Bytes of memory available INTERNAL ERROR <0x0000>: Download error ZF-DSP 0x3001 CommunicationError TIMEOUT from ZF-DSP in ZF_Get_PegKorrLoc ! Error 0x3005 (TIMEOUT): ZF_DSP.ram_putLevelTab Mm_FKorr_c: corrected gain for band 0 for -1.000dB min=0.000dB at 0GHz, max=6.413dB at 2.62GHz Error 0x3005 (TIMEOUT): ZF_ram_putFreqTab Error 0x3005 (TIMEOUT): ZF_ram_putFreqTab Error 0x3005 (TIMEOUT): ZF_ram_putFreqTab Error 0x3005 (TIMEOUT): ZF_ram_putFreqTab INTERNAL ERROR <0x0000>: Download error Synthe 0x3001 CommunicationError TIMEOUT from ZF-DSP in ZF_Set_Vbw ! CommunicationError TIMEOUT from ZF-DSP in ZF_Bild_Init ! FATAL ERROR <0x3005>: ZF_DSP_Error in ZF_Handler program terminated at 0:43:30 INTERNAL ERROR <0x0000>: Error deleting Task "Messen"(ID: 44, Prio: 6) WGRM ERROR "critical task switch" --- End code --- Of course it complains about the DSP Firmware download, it's all virtual, and therefore no hardware present... |
| Pude:
Here's my unit output from the screen. |
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