Tektronix 070-8030-01 Installation, 26 1780R-Series Service Manual, Table 23: Plug Jumpers for Waveform Board (Assembly A2) (Schematic Diagrams 3 through 15)

Installation
2–6 1780R-Series Service Manual
Table 2–3: Plug Jumpers for Waveform Board (Assembly A2)
(Schematic Diagrams 3 through 15)
Jumper
Number Name Plug Position Purpose
J192
<9> Remote Sync Polarity 1-2 {
2-3
Positive
Negative
J585
<10> RGB YRGB 1-2
2-3 {
3-Step RGB Parade
4-Step YRGB Parade
J858
<9> Sound-in-Syncs 1-2 {
2-3
Normal
Sound-in-Syncs
J694
<10> NTSC PAL 1-2
2-3
NTSC (1780R)
PAL (1781R)
J865
<9> Sync for Vector Clamps 1-2 {
2-3
Reference as source
Input Signal as source
J866 & J867
<9> Sync for Waveform Clamps 1-2 { & 1-2 {
2-3 & 2-3
Reference as source
Input Signal as source
J986
<15> SCH Course Adjust Varies with the circuits. 4-position jumper set up during calibration
J1081
<14> Frame Pulse Select 1-2 {
2-3
Internal
Ext. Video
J1085
(Active in NTSC only)
<14>
SCH Display Mode 1-2 {
2-3
Double
Single
J1103
<7> Line Strobe 1-2
2-3 {
Line Select
Field 1 Pulse
J1483
<8> Sound-in-Syncs 1-2 {
2-3
Normal
Sound-in-Syncs
{Factory installed position.