Diagram - Vertical Board Check - IBM System 9000 Troubleshooting And Servicing

Take measurement , LEDS
Take measurement , LEDS
Take measurement resistance
1 0
4
3
9
7
J2
5
6
2
8
Figure 3 - lA.

Diagram - Vertical Board Check

Optional Diagnostic, Voltage, and Resistance Checks 3 - 4
+5 VOLT
4
FLT
2
ON L I N E
3
5
O N L
2
FS
SW 1
LF
2
F F
SW 2
• 3
1
ST
SW 3
RETURN
J2 - 4
Jl - 2
J2 - 3
Jl - 3
J 2 - 8
J l - 5
J 1
R1 Q
150
�W5%
...
...
1 5 0