A1534 820-00687-A

hgoncalves

Active member
Hello,

I have an A1534 820-00687-A that has no power. It pulls 19.5V from ampmeter, but 0Amp.

I have 8.6V on PPBUS_G3H, but PPVIN_G3H_P3V3G3H is 20V, Is that normal value?
 

2informaticos

Administrator
Staff member
Voltages look good.
You should check voltage on all big coils.

Any history available?
At least 3V3_S5 appears?

Be aware, like all A1534 boards, CPU will fail soon; if is not dead already...
 

hgoncalves

Active member
Hi,
No history available. The client said that it stoped working.

PP3V3_S5 = 3.3V

L7430 = 3.3V
L7410 = 0V
L7230 = 0V
L7210 = 0V

L7670 = 0V

L7030 = 0.53V
L9000 = 0V
L7960 = 0V
L8410 = 0.12V

L7900 = 0V
L8050 = 0V
L8000 = 0V
L7290 = 0V

Can you help?
 

2informaticos

Administrator
Staff member
Use 820-00244 schematic; original not available.

You can't get L7430 voltage.
Please, post accurate information.

"PP3V3_S5 = 3.3V"
Did you check it at L7690?

Check if 3V3_SUS comes high.
 

hgoncalves

Active member
HI,

S5_PWRGD = 3.3V
PM_BATLOW_L = 3.3V

PCH's RTC
PCH_SRTCRST_L =3.0V
PCH_INTRUDER_L = 2.7V
PCH_RTCRST_L = 3.0V

Hi couldn't find PCH_INTVRMEN. Where can i find it?
 
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