OfficeServ 7100 Service Manual
© SAMSUNG Electronics Co., Ltd.
3-53
3.5.1.2 When RELAY Cannot Be Controlled
The method to solve the problem when RELAY cannot be controlled is as follows:
No
Yes
No
Yes
No
Yes
- Check if +5 V is supplied to RELAY.
- Replace RELAY.
Check ADDRESS, DATA BUS.
Replace the TRANSISTOR and input
resistance.
End
Check if the control signal is
properly output from CPLD.
Does the TRANSISTOR operate
normally?
Is the control signal normal?
Is the RELAY sound generated?
Operate the corresponding
TRANSISTOR and check its status.
Summary of Contents for OFFICESERV 7100
Page 1: ...Ed 00 OfficeServ 7100 Service Manual ...
Page 33: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 1 15 ...
Page 189: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 3 Soldering Side ...
Page 195: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 9 5 7 TEPRI2 Board Part Side ...
Page 197: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 11 5 8 8COMBO Part Side ...
Page 199: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 13 5 9 16DLI2 Part Side ...
Page 201: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 15 5 10 MGI16 MGI32 Part Side ...
Page 203: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 17 5 11 16SLI2 16MWSLI Part Side ...
Page 205: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 19 5 12 8TRK Board Part Side ...
Page 207: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 21 5 13 PLIM Board Part Side ...