Chapter 2 Service

Pre-Troubleshooting Information

2

RS-232

HP-IB Connector

Connector

J18 Power Supply

Assembly Connector

A4 AC Power Supply

Assembly

A6 High Stability

Timebase Assembly

A2 Display Board

Assembly

(Hidden)

Front Bezel (MP4)

10 MHz Out Connector

Ref In Connector

Ext Arm Connector

XLR (Male)

Jack (P/O A5)

A5 DC Power Input

Assembly

J6 (Hidden)

A3 Option 030

Channel 3 Assembly for

HP 53131A/132A

OR

A3 Option 015/030

Channel 2 Assembly for

HP 53181A

J9

A1 Motherboard

Assembly

J7

A3 Option 015/030/050 Channel Input Board Assembly

Cable (P/O optional channel input board, Option 015/030 only)

A3 Option 015/030 Channel Input Board Assembly Coaxial Cable

(W1)

A2 Display Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input BNC Connectors

Assembly Cable

(P/O Display

(P/O A1 Motherboard Assembly)

Board Assembly)

 

 

 

 

 

Figure 2-8B. Instrument Top Internal View (Option 002)

2-44

Assembly-Level Service Guide

Page 140
Image 140
HP 181A manual 8B. Instrument Top Internal View Option