IBM 3274 51C Maintenance Information page 4

Figures
1-1.
1-2.
1-3.
14.
1-5.
1-6.
1-7.
1-8.
2-t.
2-2.
2-3.
24.
2-5.
2-6.
2-7.
2-8.
2-9.
2-10.
2-11.
2-12.
4-1.
4-2.
4-3.
44.
4-5.
4-6.
4-7.
4-8.
4-9.
4-10.
1
4 - 1
1.
4-12.
4-13.
4-14.
4-15.
5-1.
5-2.
5-3.
54.
5-5.
5-6.
5-7.
5-8.
5-9.
5-10.
5-11.
5-12.
Maintenance Approach 1-1
3274 Models 51C/52C Locations 1-4
01A-A1 Board - Model SIC (with/without Category B
Devices) 1-5
01A-A1 Board - Model52C (Kanji/Chinese) 1-5
01A-Al Board - Model SIC without 2400-, 4800-,
and 9600-bps Integrated Modem 1-6
0IA-Al Board - Mode151C with 2400-,4800-,
and 9600 bps Integrated Modem 1-6
Card Location Chart 1-7
3274 Models 51C/52C Basic Operator Controls 1-8
3274 Problem Report Form, Sample 2-2
3274 Hardware Block Diagram (Models SIC and
52C), 24
Failure Code to Card or MAP Entry 2-5
Control St,orage Error Codes/Card Locations 2-6
Control Storage Card Layouts 2-7
Coaxial Cable (Driver-Receiver) DC Resistance 2-9
Translation Table for /B Test Address 2-11
Port Address Table without 3290 Displays (Model 51C) 2-11
Port Address Table with 3290 Displays (Model SIC) 2-11
Display Symbol Indications 2-13
Opera tional Indica tors 2-14
Symptom Repair List 2-15
Machine Access, Cover 4-2
Machine Access, Board/TSR Supply 4-3
Card Connector 44
Prime Power Box 4-5
Prime Power Transformer 4-6
Fan Assembly 4-7
Prime Power Diode Assembly (CRl)
Prime Power Input Filter Capacitor
TSR Power Supply 4-10
I/O Panel, Driver/Receiver Card 4-11
Diskette Drive 4-12'
4-8
4-9
Line Plate Card (World Trade Countries) 4-13
Operator Panel/Indicator Card 4-14
Logic Board Assembly 4-15
Operator Panel Switches 4-17
Communications Configuration 5-2
V.35 Communication Line Flow, Model SIC
(Foldout) FO-1
Communications Line Flow, EIA 5-5
3274 Communications Line Flow, 1200-bps
Integrated Modem - U.S. and Canada; World Trade
Countries 5-6
Communications Line Flow, DDS Adapter 5-8
Communications Line Flow, Loop 5-9
Communications Line Flow, X.21 Card PN 8564561
Nonswitched (World Trade) 5-10
Communications Line Flow, X.21 Switched and
Nonswitched - Domestic and World Trade 5-11
CBS Data Coupler - U.S. and Canada 5-12
Communications Line Flow, 2400-bps, 4800-bps, and
9600-bps Nonswitched Integrated Modems
(Model SIC) for U.S., Canada, and World Trade
Countries 5-15
Communication Cable Plugs (4-Wire, Nonswitched)
for U.S., Canada, and World Trade Countries 5-16
2400-bps Integrated Modem Card LED Locations and
Test Results 5-19
5-13. 4800-bps Integrated Modem Card LED Locations and
Test Results 5-20
5-14. 9600-bps Integrated Modem Card LED Locations and
Test Results 5-21
5-15. Transmit Levels (Nonswitched) for A/FE and E/ME/A
Countries 5-22
5-16. Transmit Level Switch Settings 5-23
5-17. 2400-bps Integrated Modem Front End Card 5-23
5-18. 4800-bps Integrated Modem Front End Card 5-23
5-19. 9600-bps Integrated Modem Front End Card 5-23
5-20. 9600-bps Integrated Modem Receiver Extension
Card 5-24
5-21. T AC Tone Levels for A/FE and E/ME/ A
Countries 5-24
5-22. Test Alarm Card (T AC) Transmit Tone Level
Jumper1ng 5-24
5-23. Board Wiring for the Various Teleprocessing
Attachment Configurations 5-25
5-24. 2400-,4800-, and 9600-bpsCard Functions,
Locations, and Codes 5-26
5-25. Top Card Connector Pin Locations 5-27
5-26. EPROM-Card-to-Processor Card Cabling 5-28
5-27. Pluggable ROS Removal Tool 5-29
5-28. Operator Panel 5-30
5-29. Conversion of BSC Control Unit Address and SDLC
Control Unit Address to Binary-Equivalent Modem
Address Switch Settings on 3274 Model SIC 5-30
5-30. Example of 3274 Model51C Modem Address Switch
Settings 5-30
1
5-31. Addressing Configuration for Multiple In teractive Screen
(MIS) - 3290 Device Attachment, Model SIC 5-31
A-I. Logic Board - Card, Connector, and Pin
Locations A-2
A-2. Pin Locations - Top Card Connector A-3
A-3.
Field Replaceable Units (FRUs) A-4
A-4. Field Replaceable Unit (FRU) Part Numbers A-5
A-5. Card and Board Part Number Selection A-6
A-6. Configuration and CE Data Cad
A-7
A-7. Printer Authorization Matrix A-8
A-8. General Logic Probe A-9
A-9. Prime Power Box Locations A-10
A-10. 3274 Models SIC and 52C Grounding A-ll
A-II. Card Plugging Cautions A-12
A-12. Card Locations (Foldouts) FO-3, FO-5
B-t. Prime Power and Input (Single/Dual Supply) B-2
B-2. Single Power Supply System B-3
B-3. Dual Power Supply System B-4
B4. Power Supply Distribution, Flow Diagram B-6
B-5. Board Voltage Distribution B-7
B-6. Transformer Input and Fan Voltage Wiring (World
Trade) B-8
C-l. 1200-bps Integrated Modem Card (No. 14),
N-Sw and N-Sw-SNBU, U.S. and Canada C-2
C-2. 1200-bps Integrated Modem Card (No. 14),
N.Sw and N-Sw-SNBU-AA, U.S. and Canada C-3
C-3. 1200-bps Integrated Modem Card (No. 14),
SW-AA/MA,'U.S. and Canada C-4
C4. 1200-bps Integrated Modem Card (No. 14),
N-Sw, WT except Canada C-4
C-5. 1200-bps Integrated Modem Card (No. 14),
N-Sw-SNBU-AA, WT except Canada C-5
C-6. 1200-bps Integrated Modem Card (No. 14),
Sw-AA, WT except Canada C-6
C-7. WTC 1200-bps Integrated Modem Transmit Level
Settings (Card No. 14) C-6
Figures xi