3746-900 MAPs
MAP 5110: 3746-900 Power ON Problem in Remote Mode
Symptom Explanation
Conditions That Could Cause This Symptom
Standby LED ON.
Machine will not Power ON.
¹
ACPW or DCPW
¹
Any CBSA cassette or control panel
¹
SPD1 or Basic board
¹
SPS cassette
¹
3745 K3
FUNCTIONAL NOTE
Power may be present when nothing is dis-
played on the control panel.
The 3746-900 can be powered ON, when in
'remote' power mode by:
Host system connected to the 3746-900 (1)
Service Processor (2)
3745 connected to the 3746-900 (3)
Figure
2-3. 3745/3746-900 Remote Powering Possibil-
ities
001
Is the 3746-900's power sequence initiated by
a host connected to the 3746-900 (1), or by the
service processor (2)?
Yes No
002
The power ON sequence is controlled by
the 3745.
– On the Test 2 connector on the DCDP,
check:
Pin 1 '3745 Presence' line. Must be ground
Pin 2 '3745 ON normal open' line.
Must be at +5v.
Pin 4 '3745 ON common' line.
Must be at +5v.
5 4 3 2 1
9 8 7 6
Test 2 Pin Assignment
Are all voltages correct as indicated?
Yes No
003
Check 3745 K3 or cable.
004
– On the Test 1 connector on the DCDP,
check:
Pin 34 '3745PRES' line is at 0v.
Pin 33 '3745ON' line is at +5v.
Refer to YZ page 234 for
test 1 pin assignment.
(Step 004 continues)
2-8
3746-900: Service Guide
Summary of Contents for FlashSystem 900
Page 1: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Page 2: ......
Page 3: ...3746 Nways Multiprotocol Controller Model 900 Service Guide SY33 2116 02...
Page 14: ...xii 3746 900 Service Guide...
Page 16: ...xiv 3746 900 Service Guide...
Page 22: ...xx 3746 900 Service Guide...
Page 29: ...Safety Figure 0 3 Ground Wire Connection On Controller Expansion SAFETY xxvii...
Page 60: ...Safety lviii 3746 900 Service Guide...
Page 61: ...Safety SAFETY lix...
Page 62: ...Safety lx 3746 900 Service Guide...
Page 63: ...Safety SAFETY lxi...
Page 64: ...Safety lxii 3746 900 Service Guide...
Page 65: ...Safety SAFETY lxiii...
Page 66: ...Safety lxiv 3746 900 Service Guide...
Page 67: ...Safety...
Page 68: ...Safety lxvi 3746 900 Service Guide...
Page 69: ...Safety SAFETY lxvii...
Page 70: ...Safety lxviii 3746 900 Service Guide...
Page 71: ...Safety...
Page 72: ...Safety lxx 3746 900 Service Guide...
Page 73: ...Safety SAFETY lxxi...
Page 74: ...Safety lxxii 3746 900 Service Guide...
Page 75: ...Safety SAFETY lxxiii...
Page 76: ...Safety lxxiv 3746 900 Service Guide...
Page 77: ...Safety SAFETY lxxv...
Page 78: ...Safety lxxvi 3746 900 Service Guide...
Page 92: ...Safety xc 3746 900 Service Guide...
Page 94: ...Safety xcii 3746 900 Service Guide...
Page 129: ...3746 900 FRU Exchange 010 continued Go to MAP Ready LED ON on page 1 52 Chapter 1 START 1 35...
Page 276: ...3746 900 MAPs Figure 2 6 CP2 Circuit 2 18 3746 900 Service Guide...
Page 325: ...3746 900 MAPs 026 continued Go to Step 014 on page 2 65 Chapter 2 MAPs for FRU Isolation 2 67...
Page 340: ...3746 900 MAPs 113 continued Go to Step 001 on page 2 68 2 82 3746 900 Service Guide...
Page 414: ...Service Processor MAPs 2 156 3746 900 Service Guide...
Page 484: ...FRU Exchange Figure 4 16 3746 Model 9x0 CBSP Cassette 4 18 3746 900 Service Guide...
Page 495: ...FRU Exchange Figure 4 23 3746 900 Rear of DC Power Box Chapter 4 3746 900 FRU Exchange 4 29...
Page 510: ...FRU Exchange Figure 4 39 3746 900 LIC16 Coupler 4 44 3746 900 Service Guide...
Page 520: ...FRU Exchange Figure 4 45 3746 900 Transformer Handling 4 54 3746 900 Service Guide...
Page 522: ...FRU Exchange 4 56 3746 900 Service Guide...
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