A1000 alternating black & gray screen blinking LED

07 October 2016, 22:55

I have an A1000 that displays an approx 7 second black screen, then approx 1 second gray (could be white) screen. And while it's displaying the gray screen the red indicator LED on the computer blinks. Is this a code of some kind telling me what's wrong with it?

Franchute13 · 08 October 2016, 01:08

Hi G.A.Pster.
How many times blinks the led?.
Are you using a Commodore Monitor or conect Amiga to tv without modulator?

08 October 2016, 01:27

It blinks 5 times.
It's connected directly to a TV with an RCA cable. (this didn't seem to be a problem with my other A1000)

Franchute13 · 08 October 2016, 14:02

Quote:

Originally Posted by G.A.Pster

It blinks 5 times.
It's connected directly to a TV with an RCA cable. (this didn't seem to be a problem with my other A1000)

Are you sure that your Monitor and A1000 are same norm? (Pal / Ntsc )

About blinks, from:
https://ftp.fau.de/aminet/docs/hard/Amigafix.txt
check:

1) fast steady power LED blink; dark screen
a) 74S51 (U9I) & 74F74 (U8I); Damaged from expansion port

09 October 2016, 02:41

Yes it will work with this TV.
Originally when I first tested this one it displayed the "hand holding disk" image when I turned it on but something died in it in the couple of minutes it was on.

It's not that one because it alternates between a black and gray screen.

Franchute13 · 09 October 2016, 23:20

Hi !

Alternate color is OK because Amiga is in a loop of reboot. Why reboot? because you have a problem. Maybe a ic faulty or maybe a PSU problem.
Read this about color:
http://members.quicknet.nl/rhm.herol...rs_meaning.htm
Amiga

Check PSU, check volt, and status of capacitor. You can use the other PSU(the other Amiga1000)

10 October 2016, 01:54

Thanks, I'll look into what you suggested.

Jope · 10 October 2016, 08:23

Be aware, that the bootstrap ROMs have different led blink and colour codes than the kickstart ROMs.

07 October 2016, 22:55	#1
G.A.Pster Posts: n/a	A1000 alternating black & gray screen blinking LED I have an A1000 that displays an approx 7 second black screen, then approx 1 second gray (could be white) screen. And while it's displaying the gray screen the red indicator LED on the computer blinks. Is this a code of some kind telling me what's wrong with it?

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08 October 2016, 01:08	#2
Franchute13 Registered User Join Date: Feb 2013 Location: Argentina Posts: 281	Hi G.A.Pster. How many times blinks the led?. Are you using a Commodore Monitor or conect Amiga to tv without modulator?

08 October 2016, 01:27	#3
G.A.Pster Posts: n/a	It blinks 5 times. It's connected directly to a TV with an RCA cable. (this didn't seem to be a problem with my other A1000)

09 October 2016, 02:41	#5
G.A.Pster Posts: n/a	Yes it will work with this TV. Originally when I first tested this one it displayed the "hand holding disk" image when I turned it on but something died in it in the couple of minutes it was on. It's not that one because it alternates between a black and gray screen.

09 October 2016, 23:20	#6
Franchute13 Registered User Join Date: Feb 2013 Location: Argentina Posts: 281	Hi ! Alternate color is OK because Amiga is in a loop of reboot. Why reboot? because you have a problem. Maybe a ic faulty or maybe a PSU problem. Read this about color: http://members.quicknet.nl/rhm.herol...rs_meaning.htm Amiga Check PSU, check volt, and status of capacitor. You can use the other PSU(the other Amiga1000)

10 October 2016, 01:54	#7
G.A.Pster Posts: n/a	Thanks, I'll look into what you suggested.

10 October 2016, 08:23	#8
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,861	Be aware, that the bootstrap ROMs have different led blink and colour codes than the kickstart ROMs.

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