Tektronix TDS 420A - Page 247

Troubleshooting
TDS 420A, TDS 430A & TDS 460A Service Manual
6-95
CH2SIGP
CH2SIGN
CH1SIGP
CH1SIGN (J102 on A05 Attenuator)
Vertical Signals
J101
Pin 1
A05 Attenuator Board
A08 Jumper Board
CH1TRIG
CH2TRIG
CH3TRIG
CH4TRIG
(Pin 2)
CH3SIGN
CH3SIGP
CH4SIGN
CH4SIGP
P1 Pin 1
Trigger
Signals
Figure 6- 46: A08 Jumper and A05 Attenuator Boards Signal Locations
Table 6- 14: Channel and P1 Signal Locations
Channel Number
Trigger
P1 Pin Number
Vertical
P1 Pin Number
Vertical Inverted
P1 Pin Number
1 26 27 29
2 18 19 21
3 10 11 13
4 2 3 5