Service manual

Service Manual
Part 6 - Parts lists
The parts lists in this chapter detail the components
used in the manufacture of workstations and upgrades.
The parts lists are given under the following headings:
• Main PCB
• 4MB RAM upgrade card
• Backplane
• ARMS daughter card (PGA)
• Keyboard and adaptor card (membrane keyboard) or
Keyboard assembly (keyswitch keyboard)
• Ethernet I card or
Ethernet II card
• SCSI interface card.
There is a circuit diagram for each of the above items.
All the circuit diagrams are included at the back of this
manual.
Contact the Spares Department of Acorn Computers
Limited (account holders only), or its authorised dealers
and Approved Service Centres, for information as to
which parts are available as spares.
Main PCB assembly parts list
1
2
3
7
12
BARE PCB
PCB ASSEMBLY DWG (1 per batch)
PCB CIRCUIT DIAGRAM (1 per batch)
MAIN PCB REAR PANEL
CONR 2W SHUNT 0.1"
fitted to LK2, 3, 6, 15(x2), 23 - 27
1
1
1
1
10
13
WIRE 22SWG CPR TIN A/R (X1, X2, X3)
14
WIRE 25SWG CPR TIN (X3)
15
LABEL SERIAL PCB
1
16
FOAM PAD (11x24mm) (BT1)
1
21
SKT IC 20/0.3" SUPA (1C21)
1
22
SKT IC 20/0.3" SUPA (IC39)
1
23
SKT IC 32/0.6" SUPA (1C47)
1
24
SKT IC 32/0.6" SUPA (IC48)
1
25
SKT IC 32/0.6" SUPA (IC49)
1
26
SKT IC 32/0.6" SUPA (IC50)
1
27
SKT IC 68P PLCC (IC58)
1
28
SKT IC 68P PLCC (IC60)
1
29
SKT IC 68P PLCC (IC64)
1
30
SKT IC 20/0.3" SUPA (IC66)
1
31
SKT IC 20/0.3" SUPA (IC71)
1
BT1
BAT NI-CAD 1 V2 280MAH PCB
1
C1
CPCTR 10U TANT 10V 20% 5P
1
C2
CPCTR 10U TANT 10V 20% 5P
1
C3
CPCTR 10U TANT 10V 20% 5P
1
C4
CPCTR 10U TANT 10V 20% 5P
1
C5
CPCTR 220U ALEC 16V RAD
1
C6
CPCTR 220U ALEC 16V RAD
1
C7
CPCTR 47U ALEC 16V RAD
1
C8
CPCTR 4U7 ALEC 16V RAD
1
C9
CPCTR 47U ALEC 16V RAD
1
C10
CPCTR 1000 ALEC 25V RAD
1
C11
CPCTR 10U ALEC 16V RAD
1
C12
CPCTR 10U ALEC 16V RAD
1
C13
CPCTR 220U ALEC 16V RAD
1
C14
CPCTR 4U7 ALEC 16V RAD
1
C15
CPCTR 1000 ALEC 25V RAD
1
C16
CPCTR 47U ALEC 16V RAD
1
C17
CPCTR 100U ALEC 25V RAD
1
C18
CPCTR 10U ALEC 16V RAD
1
C19
CPCTR 220U ALEC 16V RAD
1
C20
CPCTR 220U ALEC 16V RAD
1
C21
CPCTR 220U ALEC 16V RAD
1
C22
CPCTR 47N CER 30V 80%
1
C23
CPCTR 47U ALEC 16V RAD
1
C24
CPCTR 220U ALEC 16V RAD
1
C25
CPCTR 47N CER 30V 80%
1
C26
CPCTR 47U ALEC 16V RAD
1
C27
CPCTR 220U ALEC 16V RAD
1
C28
CPCTR 47N CER 30V 80%
1
C29
CPCTR 47U ALEC 16V RAD
1
C30
CPCTR 220U ALEC 16V RAD
1
C31
CPCTR 10U ALEC 16V RAD
1
C32
CPCTR 47N CER 30V 80%
1
C33
CPCTR 47U ALEC 16V RAD
1
C34
CPCTR 10U ALEC 16V RAD
1
C35
CPCTR 220U ALEC 16V RAD
1
C36
CPCTR 10U ALEC 16V RAD
1
C37
CPCTR 220U ALEC 16V RAD
1
C38
CPCTR 33/47N DCPLR 0.2"
1
C39
CPCTR 22N MPSTR 50V 10%
1
C40
CPCTR 22N MPSTR 50V 10%
1
C41
CPCTR 100N MPSTR 50V 10%
1
C42
CPCTR 100N MPSTR 50V 10%
1
C43
CPCTR 100N DCPLR SMD1210
1
C44
CPCTR 100P CPLT 30V 2%
1
C45
CPCTR 470P CPLT 30V 10%
1
C46
CPCTR 100N DCPLR SMD1210
1
C47
CPCTR 470P CPLT 30V 10%
1
C48
CPCTR 18P CPLT 30V 2%
1
C49
CPCTR 100P CPLT 30V 2%
1
C50
CPCTR 2N2 CPLT 30V 10% SP
1
C51
CPCTR 2N2 CPLT 30V 10% 5P
1
C52
CPCTR 33N DCPLR SMD1210
1
C53
CPCTR 2N2 CPLT 30V 10% 5P
1
C54
CPCTR 2N2 CPLT 30V 10% 5P
1
C55
CPCTR 100P CPLT 30V 2%
1
Part 6 - Parts lists Issue 2, June 1991 6-1