Tektronix TSG-422

Page 2 of 6

Date: 8/18/93 Change Reference: M79593

Product(s): TSG 422 Manual Part No: 070-7022-00

At A7U1 and A7U101 ADD AS FOLLOWS:

**ATTACHING PARTS**

214–4582–00 HEAT SINK ASSY: IC,PGA;MOUNTING SHOE AND SPRING

214–4321–00 HEAT SINK,ELEC:

**END ATTACHING PARTS**

DELETE:

A7R16

A7W1

A7W101

Added parts and circuitry changes are shown in the following schematics.

Contents

Main Page WARRANTY Contacting Tektronix Page Page Page Page Page Page Page Page Page Page General Safety Summary To Avoid Fire or Personal Injury Service Safety Summary Symbols and Terms Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Table 312: Certifications and compliances 337 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Section 8 Replaceable Electrical Parts Parts Ordering Information Using the Replaceable Electrical Parts List Cross IndexMfr. Code Number to Manufacturer Abbreviations List of Assemblies Column Descriptions Replaceable Electrical Part TSG422 83 CROSS INDEX MFR. CODE NUMBER TO MANUFACTURER Replaceable Electrical Part 84TSG422 TSG422 85 86TSG422 TSG422 87 88TSG422 TSG422 89 810 TSG422 TSG422 811 812 TSG422 TSG422 813 814 TSG422 TSG422 815 816 TSG422 TSG422 817 818 TSG422 TSG422 819 820 TSG422 TSG422 821 822 TSG422 TSG422 823 824 TSG422 TSG422 825 826 TSG422 TSG422 827 828 TSG422 TSG422 829 830 TSG422 TSG422 831 832 TSG422 TSG422 833 834 TSG422 TSG422 835 836 TSG422 TSG422 837 838 TSG422 TSG422 839 840 TSG422 TSG422 841 REV JUL 1995 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Section 10 Replaceable Mechanical Parts Parts Ordering Information Using the Replaceable Mechanical Parts List Cross IndexMfr. Code Number to Manufacturer Abbreviations Column Descriptions Replaceable Mechanical Part TSG422 103 CROSS INDEX MFR. CODE NUMBER TO MANUFACTURER Replaceable Mechanical Parts 104TSG422 Replaceable Mechanical Parts TSG422 105 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Manual Change Information Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page PARALLEL OUTPUT TTL TO ECL AUDIO DATA SchematicLookup Chart located on back of schematic. SERIAL OUTPUT TSG 422 OPTION 1S Schematic Diagram <2> Component Locator Chart The schematic diagram has an alpha-numeric grid to assist in locating parts within that diagram. to assist in locating parts within that diagram. Assembly A7. Partial Assembly A7 also shown on Diagram 1. A7 D1/D2 SERIAL OUTPUT BOARD Component Locator BLACK COPROCESSOR BLACK LINE DRIVER 2A7 TSG 422 OPTION 1S SERIAL DIGITAL BLACK OUTPUT Page DESCRIPTION ELECTRICAL PARTS LIST AND SCHEMATIC CHANGES REPLACEABLE ELECTRICAL PARTS LIST CHANGE TO READ: ADD: Page Page Page PARALLEL OUTPUT TTL TO ECL AUDIO DATA SERIAL OUTPUT TSG 422 OPTION 1S LINE DRIVERS Page BLACK SERIALIZER BLACK COPROCESSOR BLACK LINE DRIVER 2A7 TSG 422 OPTION 1S SERIAL DIGITAL BLACK OUTPUT 671-2244-09 & -10 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page ELECTRICAL PARTS LIST CHANGES Page Page Page DESCRIPTION TEXT and ELECTRICAL PARTS LIST CHANGES Page 2 of 4 Page 331, ADD: Fig. 335a. 500 kHz Bowtie (Ver 2.2 and above) Fig. 336a. 2.5 MHz Bowtie (Ver 2.2 and above) Page 3 of 4 At end of Section 3 ADD THE FOLLOWING: Fig. 356. Gamma Limit Test (Ver 2.2 and above) Page Page Mechanical Parts List Changes Replaceable Electrical Parts Changes