Service manual

87
Table 3-5. GPIB Interface Signature Analysis (Primary)
Description
: These signatures check the GP-IB talker/listener IC U202. The signatures are valid for ROM U205 firmware
revision "Rev A.01.01''. Use the test setup described in ''Test Setup for S.A.'' Connect the signature analyzer's CLOCK input
to TP201-12 (CS3).
Signatures:
U202-1 = 7339 pulsing
U202-2 =
U202-3 = 1 MHz "E" clock
U202-4 = OOOO PLCR
U202-5 = OOOO pulsing
U202-6 =
U202-7 = 7339 +5V
U202-8 = OOOO common
U202-9 = 7339 pulsing
U202-10 = OOOO pulsing
U202-11 =
U202-12 = OC57
U202-13 = O5AC
U202-14 = 167U
U202-15 = A83P
U202-16 = 69P1
U202-17 = 2O5A
U202-18 = 1427
U202-19 = H6C9
U202-20 = OOOO common
U202-21 = 23UH
U202-22 = 54A6
U202-23 = 8OAO
U202-24 = 7339
U202-25 = 7339
U202-26 = 7339
U202-27 = 713F
U202-28 = 7692
U202-29 = 71PF
U202-30 = U253
U202-31 = 338F
U202-32 = 5363
U202-33 = 6314
U202-34 = 7C2U
U202-35 = 7435
U202-36 = 7339
U202-37 = 7339
U202-38 = 7339
U202-39 = 7435
U202-40 = 7339 +5V