Main
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Contacting Tektronix
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General Safety Summary
To Avoid Fire or Personal Injury
Symbols and Terms
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111
Table 115: Certifications and compliances
112
Table 115: Certifications and compliances (cont.)
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Service Safety Summary
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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
83
Cross Index Mfr. Code Number To Manufacturer
Code.
84 WFM 300A
Code.
85
Code.
86 WFM 300A
Replaceable Electrical Parts
Part Number Serial / Assembly Number
Number Tektronix
Effective Discontinued Name & Description Mfr. Code Mfr. Part
87
88 WFM 300A
89
810 WFM 300A
811
812 WFM 300A
813
814 WFM 300A
815
816 WFM 300A
817
818 WFM 300A
819
820 WFM 300A
821
822 WFM 300A
823
824 WFM 300A
825
826 WFM 300A
827
828 WFM 300A
829
830 WFM 300A
831
832 WFM 300A
833
834 WFM 300A
835
836 WFM 300A
Section 9 Diagrams/Circuit Board Illustrations
Symbols
Component Values
Assembly Numbers
Grid Coordinates
S
B
GAMUT LIMIT
REMOTE
A3 MAIN BOARD Component Locator
* See Parts List for serial number ranges.
A3 Main Board
REAR
VER TICAL INPUT <1>
REAR
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONITOR
Schematic Diagram <2> Component Locator Chart
Assembly A3 and A3A1. Partial Assembly A3 also shown on diagrams 1, 3, 4 and 5.
A3A1
Static Sensitive Devices
COMPONENT T O GBR TRANSCODER
VER TICAL GAIN <2>
$&!$
&$ %!$!$
Schematic Diagram <3> Component Locator Chart
The schematic diagram has an alphanumeric grid to assist in locating parts within that diagram.
Assembly A3. Partial Assembly A3 also shown on diagrams 1, 2, 4, and 5.
TIMES 5
VERTICAL
!#% #
OUTPUT
VERTICAL
Schematic Diagram <4> Component Locator Chart
LOW PASS FILTER
HORIZONTAL <4>
<2>
<5>
<3>
<5>
Schematic Diagram <5> Component Locator Chart
A2
A2 Front Panel Board
Static Sensitive Devices
DOWN
CONTROL CIRCUIT & FRONT PANEL <5>
1 LINE
A2 FRONT PANEL BOARD
X52 FIELD
MAG2 LINE
A5 GBR Board
WFM300A
Schematic Diagram <6> Component Locator Chart
The schematic diagram has an alphanumeric grid to assist in locating parts within that diagram.
Assembly A5.
GBR & COMPOSITE OUT <6>
# #
A4 Control Board Component Locator
A4 Control Board
* See parts list for serial number ranges.
(with cross-references to schematic diagrams 7, 8, 9, and 10)
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONIT OR %# #
A4 Control Board
Board lookup table on previous page.
671-1357-00 03
WFM300A
Schematic Diagram <8> Component Locator Chart
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONITOR
TIMING <8>
Schematic Diagram <9> Component Locator Chart
Assembly A4. Partial Assembly A4 also shown on diagrams 7, 8, and 10.
* See parts list for serial number ranges.
GRATICULE <9>
Schematic Diagram <10> Component Locator Chart
Assembly A4. Partial Assembly A4 also shown on diagrams 7, 8, and 9.
<6>
GAMUT & REMOTE <10>
A1 Power Supply Board
Use the circuit board table below for schematic <11>.
(with cross-references to schematic diagrams 11 and 12)
+*%$ ""(+*(/*%*
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONITOR LOW VOLTS POWER SUPPLY <11>
Schematic Diagram <12> Component Locator Chart
The schematic diagram has an alphanumeric grid to assist in locating parts within that diagram.
Assembly A1. Partial Assembly A1 also shown on diagram 11.
(
HV OSC & ERROR AMP
"$&!"!)$%'""+
'($&"&
$!) ($&"&
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Section 10 Replaceable Mechanical Parts
Parts Ordering Information
Using the Replaceable Mechanical Parts List
Cross IndexMfr. Code Number to Manufacturer Abbreviations Chassis Parts
Column Descriptions
103
Cross Index Mfr. Code Number To Manufacturer
Code Manufacturer Address City, State, Zip Code
104 WFM 300A
Replaceable Mechanical Parts
Part No. Serial Number
Fig. & Index No. Tektronix
Code Mfr. Part No.
105
Fig. & Index No. Mfr. Part No.
Qty
Serial Number Effective Dscont
Part No.
Page
WFM 300A
A4
A1
A2
A3A1 A3A2
