A 1 7 Display Interface; A1 8 Power Supply - HP 3562A Service Manual

OD E L 3562A
Current revision: A
5-1 5

A 1 7 DISPLAY INTERFACE

Previous revisions: None
Current revision: C
5-1 6 A 1 8 POWER SUPPLY
Previous revisions:
Revisions A and B d iffer from revision C as fol lows:
1 . Change the Replaceable Parts List, table 5-3, as fol lows:
a. Change the fol lowing components:
- C1 08 and C1 09 to 01 60-4787, 22 pF.
- C200 to 01 60-01 28, 2.2 flF.
- C304 to 01 80-0374, 10 flF.
- R1 1 6 to 0757-0401 , 1 00 OHM.
- R1 26 and R304 to 0757-0442, 1 0K.
b. Delete the fol lowing components:
- C527, C528, C529, and C530.
- CR530, CR531 , C R532, and C R533.
c. Add the fol lowing components:
- R1 04, 0757-0280, 1 K.
- R1 1 4, 0698-3228, 49.9K.
- R1 1 8, 0698-3279, 4.99K.
- R208, 0757-0465, 1 00K.
- Q1 03 and Q1 04, 1 854-021 5, N PN 2N3904.
- Q205, 1 853-0036, PNP 2N3906.
- U1 00, 1 820-31 83, 74H C03 CMOS.
2. Remove A1 8, component locator revision C, and schematic revision C, and
replace them with figu res 5-A 1 8a and 5-A 1 8c.
Revision A was mod ified to be electrical ly identical to revision B (see figure 5-A1 8b).
MANUAL BACK DAT I NG
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