Table
STEP | ACTION |
| RESPONSE |
| PROBABLE CAUSE |
|
|
|
|
| |
1 | Short U19 pin 4 to TP6. | a. | Shutdown release | a. U20 defective or C57 | |
|
|
| (OVP indicator OFF) |
| shorted. |
|
| b. | Output voltage remains | b. | Proceed to step 2. |
|
|
| shutdown(0 V) |
|
|
|
|
|
|
| |
2 | Measure the voltage from | a. | High voltage (+5 V) | a. U19 defective or proceed step 3. | |
| TP6(common) to TP9. | b. | Low voltage (0 V) | b. | U4D defective. |
|
|
|
|
| |
3 | Measure the voltage from | a. | Below +2.6 V | a. U12 or U8 defective | |
| TP6(common) to TP8. | b. | Above +2.6 V | b. | U18 defective |
|
|
|
|
|
|
REPLACEABLE PARTS
INTRODUCTION
This section contains information for ordering replacement parts. Table
a.Reference designators. Refer to Table
b.Agilent Technologies Part Number.
c.Total quantity used in that assembly.
d.Description.
e.Manufacturer's supply code number. Refer to Table
f.Manufacturer's part number or type.
Mechanical and miscellaneous parts are not identified by ref- erence designator.
| Table |
|
|
A | Assembly |
C | Capacitor |
CR | Diode |
DS | Signaling Device(light) |
F | Fuse |
G | Pulse Generator |
J | Jack |
L | Inductor |
Q | Transistor |
R | Resistor |
S | Switch |
T | Transformer |
TP | Test Point |
VR | Zener Diode |
U | Integrated Circuit |
W | Wire |
|
|
ORDERING INFORMATION
To order a replacement part, address order or inquiry to your local Agilent Technologies sales office (see lists at rear of this manual for addresses). Specify the following information for each part: Model, complete serial number of the power supply; Agilent Technologies part number; circuit reference designator; and description.
Table
CODE | MANUFACTURER | ADDRESS |
|
|
|
01295 | Texas Instruments Inc, Semicon Comp Div. | Dallas, TX |
14936 | General Instruments Corp, Semicon Prod | Hicksville, N.Y. |
27014 | National Semiconductor Corporation | Santa Clara, CA |
28480 | Agilent Technologies | Palo Alto, CA |
04713 | Motorola Semiconductor Products | Phoenix, AZ |
32997 | Bourns Inc. | Riverside, CA |
34371 | Harris Corp. | Melbourne, FL |
|
|
|