Agilent Technologies Explore Essential Information on Replaceable Parts for Agilent 6684A

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

94 Replaceable Parts