Service manual

103
On Page 26, in Current Programming and Readback Accuracy steps c and g,
change 20V to 17V (6033A).
change 60V to 50V (6038A).
On Page 27 in Load Effect (Load Regulation) steps c,
change 10A to 9A (6033A).
On Page 27 in Load Effect (Load Regulation) steps d,
change 20V to 17V (6033A).
change 60V to 50V (6038A).
On Page 27, in Source Effect (Line Regulation) step d,
change 30A to 25A (6033A).
On Page 27, in Source Effect (Line Regulation) step e,
change 7.0 to 6.25V (6033A).
change 20.0 to 15.0V (6038A).
On Page 27, in Source Effect (Line Regulation) step i,
change 90
µV to 85µV (6033A).
On Page 28, in PARD Ripple and Noise step c,
change 29A to 25A (6033A).
On Page 28, Initialization, change step 2 as follows:
2. Turn the power on, and depending on your unit's model number, send the following strings:
"EEINIT 6033
"EEPROM 10,4,17.500"
or
''EEINIT 6038
"EEPROM 10,4,51.495"
Chapter 3 Manual Changes:
On Page 41, in Readback Multiplexer (U20), change Node U20-9,
from + 5V to + 4.25V (6033A).
from + 5V to + 4.167V (6038A).
On Page 48 in Main Troubleshooting and on Page 49 in Troubleshooting No-Out Failures step d, change 320Vdc to
250Vdc.
In Table 3-10 (page 52) under Symptoms,
change max voltage <20 to max voltage <17 (6033A).
change max voltage <60 to max voltage <50 (6038A).
On Page 54 in Troubleshooting AC-Turn-On Circuits, setup,
change 20V to 17V (6033A).
Chapter 4 Manual Changes:
On Page 65, change 5V to 4.25V (6033A); change 5V to 4.167V (6038A).