Specifications

4-40 TS-8900 Functional Test System Diagnostics User Guide

4 Diagnostic Testing Details

E6178B 8 Channel High Power Load Card LC8CH_7 Tests

• Display instruction to disconnect power supply from (P100)PWR1

and (P200)PWR2 of E6178B_7. Short PWR1 to PWR2 of E6178B_7.

Install load loopback cable E6170-61619 on E6178B_7. Install

Diagnostic Cable (E6170-61618) on appropriate HP connector.

• Setup DMM to perform 2W resistance measurement.

• Measure LC8CH_7 load card loopback path resistance from

CH1-CH2 via Positronic pin5 and pin11 (ABUS1 & ABUS3)

CH1-CH2 via Positronic pin6 and pin12 (ABUS2 & ABUS4)

CH1-CH3 via Positronic pin5 and pin17 (ABUS1 & ABUS3)

CH1-CH3 via Positronic pin6 and pin18 (ABUS2 & ABUS4)

CH1-CH4 via Positronic pin5 and pin3 (ABUS1 & ABUS3)

CH1-CH4 via Positronic pin6 and pin4 (ABUS2 & ABUS4)

CH1-CH5 via Positronic pin5 and pin9 (ABUS1 & ABUS3)

CH1-CH5 via Positronic pin6 and pin10 (ABUS2 & ABUS4)

CH1-CH6 via Positronic pin5 and pin15 (ABUS1 & ABUS3)

CH1-CH6 via Positronic pin6 and pin16 (ABUS2 & ABUS4)

CH1-CH7 via Positronic pin5 and pin1 (ABUS1 & ABUS3)

CH1-CH7 via Positronic pin6 and pin2 (ABUS2 & ABUS4)

CH1-CH8 via Positronic pin5 and pin7 (ABUS1 & ABUS3)

CH1-CH8 via Positronic pin6 and pin8 (ABUS2 & ABUS4)

E6178B 8 Channel High Power Load Card LC8CH_8 Tests