Agilent Technologies 2948, 2712A manual Schematic Diagram Notes 1, Pin of socket

Service Model 8904A

Table 8-1.Schematic Diagram Notes (1 of 11)

Test points: symbols are numbered for easy correlation to schematic diagrams. procedures. and component location diagrams. Connection t o circuit signifies

Board Board Board measuring aid (metal Assefnb l y

Circuit functional

Socket designation on A2

	Interconnect
	information;
	Circled		letter
	with	adjacent
	number		indicates
	circuit-path
	continuation t o
Plug-in	another		service
	sheet	(3.		in
inf ormat ion;	this	example).
number	Look	for		same
indicates	circled		letter
pin of socket	on the		indicated

information. Solder point numbered.

Wire'color code . Code used

(MIL-STD-661) is the s a m e

as the resistor color code . First number identifies the base color. second number the wider stripe, and the third number t h e narrower stripe . *Example:

denotes white base. yellow wide stripe. violet narrow stripe

Seriai Prefix o f instrument to which Schematic directly applies.

Reference designations within outlined assemblies are abbreviated. Full designation includes assembly number: for example.

R l o f assembly

A2 is A 2 R I . Designations o f other components are complete

as shown.

ss2

Connector symbols within \'Large the borderlines of board assemblies signify connections to the assembly which are separate

from those made through the integral plug part o f the assembly.

Asterisk indicates factory selected components. (See

"""S r r t 4 n n ..<\", .

Value selected for best operation Value shown is average or most commonly selected value.

numbers

in lower

right corners of schematic diagrams are service sheet numbers .

8-4