IBM 3274 51C Maintenance Information page 62

Map A 120 Power Ind. ON
orOFF
PAGE 12 OF 12
(Step 053 continued)
Were all measured voltages in Chart B within limits7
Y N
054
Is the failing voltage in Chart B from power supply No. 17
Y N
055·
• If voltage is missing. verify that same voltage is missing at
power supply No. 2 plug and repair cable/plug if needed.
See Figure 8-3.
• Replace TSR power supply No.2.
Go To Map A100, Entry Point A.
056
• If voltage is missing. verify that same voltage is missing at
power supply No. 1 plug and repair cable/plug if needed.
See Figure 8-2 .
• Replace TSR power supply No.1.
Go To Map A100, Entry Point A.
057
Go to Page 11, Step 052, Entry Point G.
MAP A120-12
Chapter 3. Maintenance Analysis Procedures 3·35