KX-NS500RU, KX-NS500UC - Panasonic PBX Service Manual Supplement (repair manual). Page 3

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3
KX-NS500Series
1.2.
Replacement Parts List
KX-NS500BX
KX-NS500AG
KX-NS500BR
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS COMPARISON 
LISTS.
1. Improve performance
Remarks:
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Interchangeability Code (Symbols: B) Following V-Z interchange abilities are indicated on the Notes in the bottom column.
Parts
Set Production
V Original
New
Early (before change)
Late (after change)
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
W Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in early or
late production sets. Use original parts where possible, then stock new parts.
X Original
New
Early (before change)
Late (after change)
New parts only may be used in early or late production sets.
Stock new parts.
Y Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in late
production sets only. Stock both original and new parts.
Z Other
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
Cabinet and Electrical Parts
16
PNJS101019Z
PNJS102012Z
WIRE
1
5
Y
Z
CPU Board Parts
IC203
PNWIA500BX16
PNWIA500BX17
IC
1
1
W
X
IC203
PNWIA500BX17
PNWIA500BX18
IC
1
1
W
Y
IC403
C0JBAB000785
C0JBAB001170
IC
1
8
V
-
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
Cabinet and Electrical Parts
16
PNJS101019Z
PNJS102012Z
WIRE
1
5
Y
V
CPU Board Parts
IC203
PNWI1500AG14
PNWI1500AG15
IC
1
1
W
T
IC203
PNWI1500AG15
PNWI1500AG16
IC
1
1
W
U
IC403
C0JBAB000785
C0JBAB001170
IC
1
8
V
-
Accessories and Packing Materials
A4
PNJA1073Z
K2CK3YY00096
AC CORD   
1
5
V
-
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
Cabinet and Electrical Parts
16
PNJS101019Z
PNJS102012Z
WIRE
1
5
Y
Z
CPU Board Parts
IC203
PNWIA500BR16
PNWIA500BR17
IC
1
1
W
X
IC203
PNWIA500BR17
PNWIA500BR18
IC
1
1
W
Y
IC403
C0JBAB000785
C0JBAB001170
IC
1
8
V
-
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