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94 Replaceable Parts
Table 5-4. A1 Front Panel Board, Replaceable Parts (continued)
Ref. Desig. Agilent Part No. Description
S1 3101-3088 Line switch
VR16 1902-0950 Diode Zener 4.7V 5
U3 1820-6721 IC MPU
U4 5080-2466 ROM programmed front panel
U6 1818-4792 IC memory
U8 1820-2724 IC SN74ALS573BN
W3 1258-0209 Jumper (J3)
W5 0811-3590 Jumper
Y1 0410-2159 Crystal 10 MHz
Z16 1902-0950 Diode Zener 4.7V 5%
MECHANICAL PARTS
-- 1200-1274 Socket IC (U3)
-- 1200-1417 Socket IC (U4)
-- 0340-1277 Insulator (Y1)
-- 0370-3238 KNOB Ref: RPG
-- 0515-1455 SCREW - Ref: keypad PCB to front frame
-- 0590-0534 NUT - SELFTREAD -
Ref: Display & LED board to front panel
-- 0960-0912 RPG - OPTICAL ENCODER
5063-3408 PCA (KEYPAD)
-- 1000-0842 WINDOW Ref: 3 inches front frame
-- 5001-6794 BLINDER Ref: 5 inches front frame
-- 5040-1665 KEYPAD
-- 5040-1687 FRONT FRAME - 88.1mm ( 3.5 inches )
-- 5040-1698 FRONT FRAME - 132.6mm ( 5.25 inches )
-- 5063-3473 LCD DISPLAY
-- 5080-2245 LABEL Ref: 3.5 inches & 5 inches front frame
-- 5080-2261 CABLE Ref: Keypad PCB to LCD display
Table 5-5. Front Panel Board LED Assy, Replaceable Parts
Ref. Desig. Agilent Part No. Description
ELECTRICAL PARTS
C450 0180-4132 CAP 6.8uF 35V
C451 0160-4808 CAP 470pF 5%
D450, 451, 452, 453 1901-1098 DIO-1N4150
R450 0698-3444 RES 316 1% .125W
R451 0757-0401 RES 100 1% .125W
R452 0698-3156 RES 14.7K 1%
R453 0698-8827 RES lM 1% .125W
R454 0698-3156 RES 14 7K 1%
R455 0757-0280 RES lK 1% .125W
U450 1858-0076 XSTR ARY 14P-DIP
U451 1858-0077 XSTR ARY 14P DIP
Z450 1902-0562 DIO-ZNR 22.1V 5%
MECHANICAL PARTS
5080-2281 CABLE LINE SWITCH Ref: E456=E457 to S1
5080-2283 CABLE LED AC INPUT
Ref: E450-E451 to DC RAIL J440
5080-2286 CABLE DEW/S1 CONNECTION
Ref: E452-E455 to DC RAIL J441