Panasonic KX-F680BX Service Manual page 58

Please observe A0, D0, ROMCE, MDMCS.
Below graph show you the wave form that is observed when unit (board) is working correctly. Both graph are good wave.
CH1
CH2
CH3
CH4
W1
Length
W2
Length
Sampling
Marker 1
T 2098.80µs
V
Marker 2
T
V
T -2091.30µs
1/ T
478.2 Hz
V
Time
Time Base
Internal
CH1
CH2
CH3
CH4
W1
Length
W2
Length
Sampling
Marker 1
T 2376.70µs
V
Marker 2
T
V
T -2369.20µs
1/ T
422.1 Hz
V
Time
Time Base
Internal
5V/div
H1 W1
5V/div
A0
5V/div 10.0V
5V/div
5µs/div
1k
5µs/div
1k
D0
Normal
20Msps
5.0 V
7.50µs
0.4 V
ROMCS
-4.6 V
MDMCS
-40.0V
2083.20µs
Roll
Off
5V/div
H1 W1
5V/div
5V/div A0
10.0V
5V/div
5µs/div
1k
5µs/div
1k
D0
Normal
20Msps
0.4 V
7.50µs
5.0 V
ROMCS
4.6 V
MDMCS
-40.0V
2384.60µs
Roll
Off
Trigger CH1/2 MEM1 MEM2
2133.20µs
Trigger CH1/2 MEM1 MEM2
2434.60µs
| 63 |
KX-F680BX/KX-F2681BX
Time/div
W1 5µs
W2 5µs
Position
W1 2083.20µs
W2 25.10µs
Time Base
Internal
External
OK
Time/div
W1 5µs
W2 5µs
Position
W1 2384.60µs
W2 25.10µs
Time Base
Internal
External
OK