KX-TES824UA, KX-TEM824UA, KX-TE82461X, KX-TE82474X, KX-TE82480X, KX-TE82483X, KX-TE82491X, KX-TE82492X, KX-TE82493X, KX-A227X (serv.man2) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
KX-TES824UA / KX-TEM824UA
1 CHANGES
1.1.
Subject 
Since the main board of KX-TES824UA/KX-TEM824UA was changed, the display on the board; PSUP1446ZB was also changed
to PSUP1446YA. Distinguish a change by this indication.
Suffix Location
1.2.
Replacement Parts List
Suffix
Reason for suffix change
U to V
Request from vender
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:
1. Mark *1 have been changed at the same time. New parts can be used for only PSUP1446YA.
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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