KX-DT321UA, KX-DT321UA-B — Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
KX-DT321UA/KX-DT321UA-B
1 CHANGES
1.1.
Subject 
SUFFIX LOCATION
1.2.
Replacement Parts List
JS
KXDT321UA
KXDT321UAB
Suffix
Reason for suffix change
E to F
Change the parts
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
3
L5DBBYY00001
L5DYBYY00045
LIQUID CRYSTAL DISPLAY
1
8
V
Main Board Parts
LED4
B3AAB0000111
PSVD1SRCT
DIODE(SI)
1
8
Y
F
C1
F2G1H3300004
EEEFK1H330P
CAPACITOR, 33
F
1
8
V
C526
F2G0J1010014
EEE0JA101SP
CAPACITOR, 100
F
1
8
V
R313
ERJ3GEYJ270
ERJ3GEYJ6R8
RESISTOR, 6.8
1
8
Y
F
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