KX-TVM50BX (serv.man6) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
KX-TVM50BX
1 CHANGES
1.1.
Replacement Parts List
KX-TVM50BX
KX-TVM502X
KX-TVM296X
NM
KXTVM50BX
KXTVM296X
KXTVM502X
KXTVM524X
KXTVM594X
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 
ACCESSORIES AND PACKING MATERIALS
A1
PSLP1322X
PSLP1322QM1
AC ADAPTOR 
1
8
V
---
MAIN BOARD PARTS
U102
XP4401
B1HDDFA00001
TRANSISTOR(SI)
1
8
V
---
U105
B1GHCFJJ0007
DMA561010R
TRANSISTOR(SI)
1
8
V
---
C408A,C408B ECUV1C474ZFV
F1H1C474A179
CAPACITOR, 0.47μF
2
8
V
---
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
C408A,C408B ECUV1C474ZFV
F1H1C474A179
CAPACITOR, 0.47μF
2
8
V
---
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
C50
ECUV1C474ZFV
F1H1C474A179
CAPACITOR, 0.47μF
1
8
V
---
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