Power-Down Reset; Mhz Clock Waveform - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

Troubleshooting Waveforms: XTL 5000 Waveforms
6.2.3

Power-Down Reset

13.8V
Ch1
Ch3
6.2.4

16.8 MHz Clock Waveform

Ch1
6881096C74-B
5.00V Ch2 2.00V
2.00V
Power-Down Reset
Trace 1 — SWB+
Trace 2 — LV_DETECT — U0507 Pin 5
Trace 3 — SOFT_TURN_OFF — TP0500
500mV
Trace 1 — U0903 Pin 3 — 16.8 MHz Clock
M 10.0ms Ch1 6.0 V
MAEPF-27855-O
M 25.0ns Ch1 10mV
MAEPF-27856-O
Ch1
SWB+
Ch2
U0507 Pin 5
LV_DETECT
Ch3
TP0500
SOFT_TURN_OFF
C1 Pk-to-Pk
1.70V
C1 Period
59.333ns
May 25, 2005
6-3