Zippy Zapp
Experienced Member
Hello Tandy folks,
I recently acquired a very clean Tandy 1000 TL/2 and am running into some issues. The computer seems to boot fine but the picture is garbled. I thought I had the screenshots on my phone but I will post them later. I am hooking it up to my Amiga's 1084-D monitor and have selected Digitial RGB on the back switch. At first all I got was a bunch of green and colored lines. I adjusted the monitor V controls and that did not help.
I then read in the manual that you may need to reset with CTRL+ALT+SHFT+V and I did that and I could tell there was POST showing the memory but it is corrupted and not readable. This model came with the original 20MB WD Hard drive and for now it sounds and works perfectly. Once I hit return after it boots it goes into DeskMate. I can see the blue screen and a TC logo in the middle. It switches to another mode and I can make out some text as it is clear but most is corrupted.
The screen lines are all wavy and it looks like it is out of sync or something in the graphics area is bad. I hope it is not the computer as I know exactly zero about Tandy computers. This is my first time ever owning one. I was told that the 1084 was a good fit and perhaps it is a monitor or cable issue. Although I did test the cable. I haven't tested it with my C128 yet so I can do that. I also have a CGA2RGB adapter from GGLABS I can try with another 15khz VGA monitor.
I looked for a service manual or some kind of technical reference online but came up with mostly older Tandy 1000 models. Does anyone know of a PDF for this?
Does anyone have any advice as to where I should start looking? I am not new to doing repairs on C64s and other classic computers but this is all New Tandy Territory for me. I will post some pictures later today.
Thank You.
The specs for the machine are pretty stock with 640k, no FPU, No cards, original 720k 3.5 floppy, 360k Tandy 5.25" drive and a WD 20 MB SmartDrive, XT-IDE. The jumpers at E6-E9 are in default position. I have all the original manuals and disks including the MSDOS/GW BASIC disk, and the 2 DeskMate disks.
I recently acquired a very clean Tandy 1000 TL/2 and am running into some issues. The computer seems to boot fine but the picture is garbled. I thought I had the screenshots on my phone but I will post them later. I am hooking it up to my Amiga's 1084-D monitor and have selected Digitial RGB on the back switch. At first all I got was a bunch of green and colored lines. I adjusted the monitor V controls and that did not help.
I then read in the manual that you may need to reset with CTRL+ALT+SHFT+V and I did that and I could tell there was POST showing the memory but it is corrupted and not readable. This model came with the original 20MB WD Hard drive and for now it sounds and works perfectly. Once I hit return after it boots it goes into DeskMate. I can see the blue screen and a TC logo in the middle. It switches to another mode and I can make out some text as it is clear but most is corrupted.
The screen lines are all wavy and it looks like it is out of sync or something in the graphics area is bad. I hope it is not the computer as I know exactly zero about Tandy computers. This is my first time ever owning one. I was told that the 1084 was a good fit and perhaps it is a monitor or cable issue. Although I did test the cable. I haven't tested it with my C128 yet so I can do that. I also have a CGA2RGB adapter from GGLABS I can try with another 15khz VGA monitor.
I looked for a service manual or some kind of technical reference online but came up with mostly older Tandy 1000 models. Does anyone know of a PDF for this?
Does anyone have any advice as to where I should start looking? I am not new to doing repairs on C64s and other classic computers but this is all New Tandy Territory for me. I will post some pictures later today.
Thank You.
The specs for the machine are pretty stock with 640k, no FPU, No cards, original 720k 3.5 floppy, 360k Tandy 5.25" drive and a WD 20 MB SmartDrive, XT-IDE. The jumpers at E6-E9 are in default position. I have all the original manuals and disks including the MSDOS/GW BASIC disk, and the 2 DeskMate disks.