Service manual

150 Backdating
Change 3 Change 10 continued
In Table 5-14 A10 Control Board In Table 5-10 A6 Bias Assembly
DELETE
C548, 0.1uF 50V P/N 0160-4835 in parallel
with RT500.
RT500, P/N 0837-0412.
Pins, P/N 0360-1498, qty. 2
DELETE
ADD
R830, ZERO OHMS, P/N 8159-0005.
D830 DIODE IN4150, P/N 1901-1098
Change 4
In Table 5-14 A10 Control Board
DELETE
ADD
ASSEMBLY, relay contactor P/N
5060-3593, qty. 1.
Dust cover for relay, P/N 9222-1870.
Retainer clip for relay, P/N 1460-2317.
Relay, P/N 0490-1919
Change 5
In Table 5-8 A4 AC Input Board
DELETE
C428, 429, and 430, P/N 0160-7898.
R435, 436, and 437, P/N 0698-3609.
Change 6
In Table 5-6 A2 GPIB Board
CHANGE
A2 GPIB board from P/N 5060-3591 to P/N
5060-3552. (see Table A-1 and Figure A-1)
Change 7
In Table 5-6 A2 GPIB Board
CHANGE
U114 from P/N 1826-0536, to LM309K
P/N 1820-0430.
Change 8
In Table 5-13 A9 Downprogrammer/Slow Sense Board
DELETE
CHANGE
Insulator, REF Q981, 982
Q981, 982 from P/N 1855-1003, to
POWER MOSFET P/N 1855-0835.
Change 9
In Table 5-4 A1 Front Panel Board
DELETE
CHANGE
PCA (keypad), P/N 5063-3407.
KNOB (Ref. RPG) from P/N 0370-3238, to
P/N 10370-1091.
RPG - OPTICAL ENCODER from P/N
0960-0912 to P/N 0960-0822.
U4 from 5080-2466 to P/N 5080-2304.
Change 10
In Table 5-3 Main Chassis, Mechanical parts
DELETE
ADD
CABLE, P/N 5185-1343
SENSOR-MOISTURE, P/N 0960-0882.
In Table 5-4 Front Panel, Mechanical parts
CHANGE
LABEL from PN 5185-1342, to P/N 5080-
2245.
In Table 5-8 A4 AC Input Assembly
ADD
R400-405, 75K 5%, 2W, P/N 0764-0027.