KX-TDA0144XJ, KX-TDA0144CE (serv.man4) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
KX-TDA0144XJ/KX-TDA0144CE
1 CHANGES
1.1.
SUBJECT 
MAIN BOARD of KX-TDA0144XJ and KX-TDA0144CE are changed from PSUP1325Z to PSUP1325Y displayed on Printed Circuit
Board.
KX-TDA0144XJ
KX-TDA0144CE
SUFFIX LOCATION
Note: All CSMG in original service manual have been changed to CSMG2.
1.2.
REPLACEMENT PARTS LIST
Suffix
Reason for suffix change
F to G
PCB change (PSUP1325Z to PSUP1325Y)
Suffix
Reason for suffix change
F to G
PCB change (PSUP1325Z to PSUP1325Y)
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
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
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