Vibra AJ Series, Руководство по обслуживанию

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3-4 CHECKS FOR ELECTRIC/ELECTRONIC PARTS
- AJDP Circuit board -
Checks for electric/electronic parts are to be ca rried out on back of AJ DP
board after removing the upper case, at test Points and Pins of C N1, CN4,
TP4 AND TP6.
2
2
1
3
4
5
6
7
1 2 3 4
1
2
3
4
5
SHINKO
TP1
TP 0
TP2
TP3
TP4
TP6
CN 1
CN 2
CN 3
CN4
CN5
1. Check of input voltage
TP0 - ① of C N1・・・・・・・+8V 〜 +12V
2. Pow er voltage in the circuit
TP0 - ② of C N4・・・・・・・+4.75V 〜 +5.25V
3. Check of signal waves (1)
4. Check of signal waves (2)
2.5V
0 V
2.5 V
3.5 V
P-P
TP0 - TP6
TP0 - TP4
0 V
1.9 〜 1 .3msec
(520 Hz〜 7 80H z)
AJD P
TP5
1
1
2
3
7
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