CHANGE 1:
Under A1 Main Board, change R45 to 82.5k p/n 0757- 0563.
CHANGE 2:
Under A8 GPIB Board.
Add: R100 p/n 0698-4037. U17 p/n 1820-2549
Delete: C67-70 0.01uF 10%, p/n 0160-4832, qty 4. C71,73 2200pF 10%, p/n 0160-4830, qty 2. L1 choke, p/n 9170-1680.
L2-4 core-shield bead, p/n 9170-1454, qty 3.
:Q1 transistor 2N4917, p/n 1853-0089.
R1 47.5K 1%, p/n 0757-0457.
R2,12 4.64K 1%, p/n 0698-3155, qty 2.
R79,80 0 ohm, p/n 8159-0005, qty 2.
U117 IC-9914 talker/listener, p/n 1821-1740.
Change: A8, GPIB board to p/n 5060-3551. C14 to 0.047uF, p/n 0160-5422. C23 to 39uF, p/n 0180-0393.
C61 to p/n 0160-4281.
U6 to p/n 5080-2160.
U36 to p/n 5080-2158.
CHANGE 3:
Under A5 Diode Board, change CR4 and CR5 for model 6030A to p/n 1901-1182. Change CR4 and CR5 for model 6035A to p/n 1901-1316. Change Q1 for model 6030A to p/n 1855-0486 and for model 6035A to p/n 1855-0802. Under A5 Mechanical, change heatsink (CR5) for models 6030A,35A to p/n 06030-00003. Change heatsink (CR4, Q1) for models 6030A,35A to p/n 06030-00004.
CHANGE 4:
Under A4 FET Board, change CR1 and CR4 to p/n 1901-1137. Both diodes must be the same part number.
CHANGE 5:
Under A8 GPIB Board, change U33 to p/n 1820-0430.
CHANGE 6:
Under A8 GPIB Board, change U14 to p/n 1820-6721.
CHANGE 7:
Under A8 GPIB Board:
Add: U15, p/n 1LH4-0001.
Delete: U115, SN75ALS61610, p/n 1820-6045. U116, SN75ALS6160, p/n 1820-6170. C142 100pF, p/n 0160-4801.
C143-144 .047uF, p/n 0160-5422. Change: A8, GPIB board to p/n 5060-3305.
CHANGE 8:
Under A1 Main Board, change K1, K2 to p/n 0490-1746. Change R47 and R48 150 ohms p/n 0761-0035.
CHANGE 9:
Under A2 Control Board,
*********** For Model 6035A only ***********
Change R40 to 95k p/n 0699-1211 and 1.21M p/n 0699- 1271. Change R41 to 200k p/n 0698-6376.
CHANGE 10:
Under A3 Front Panel, change G1 to p/n 06032-60005. On page 5-18 under Chassis Mechanical, change Knob to p/n 0370-1303. Delete Spacer, p/n 2190-0736.
CHANGE 11:
Under A1 Main Board,
Add: C3, C7, 1400uF p/n 0180-3460 R6, 1.3k, p/n 0811-1803
U2, U4, rectifier, p/n 1906-0006 Delete: C27, 34, cap 0.01uF 400V, p/n 0160-6805
CR6-13, power rectifier 400V, p/n 1901-0731 R24, res 200 5% 1/2W, p/n 0686-2015 R43, 44, res 2.61k 1% 1/8W, p/n 0698-0085 R45, res 82.5k 1% 1/8W, p/n 0757-0463 R46, res 681 1% 1/8W, p/n 0757-0419 R47, 48, res 150 5% 1W p/n 0761-0035 R49, res 100 1% 1/8W, p/n 0757-0401
Q2, FET N-channel, p/n 1855-0665
VR1, diode zener 7.5V 5%, p/n 1902-0955 U6, opto-isolator, p/n 1990-1074
Change: A1 (6030A) to p/n 06030-60021 A1 (6031A) to p/n 06011-60021 A1 (6032A) to p/n 06032-60021 A1 (6035A) to p/n 06030-60027
C1,2,4-6,8 to 1400uF p/n 0180-3460
C10 to 22uF p/n 0180-3696 CR1 to 1901-0028
DS1 to display, p/n 1990-0325 K1 to relay p/n 0490-1457
K2 to relay p/n 0490-1341.
R5 to 300, p/n 0686-3015
R7 to 10, p/n 0686-1005
R8 to 33k, p/n 0686-3335
R41 to 30, p/n 0811-1869
Under A6 AC Input Filter, change the part number of the board to 06011-60025 for models 6030A,31A,32A, and 06011-60028 for model 6035A.
Under Chassis Electrical at the end of the parts list, change L4 to p/n 06011-80093.
