KX-TVM50BX, KX-TVM502X, KX-TVM524X, KX-TVM594X, KX-TVM296X (serv.man5) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
KX-TVM50BX
1 CHANGES
1.1.
SUBJECT 
KX-TVM50BX
KX-TVM524X
SUFFIX LOCATION
1.2.
REPLACEMENT PARTS LIST
KX-TVM50BX
KX-TVM296X
Suffix
Reason for suffix change
H to I
Software, CDROM, Manual, and Leaflet change
I to J
Memory card change, there is no change in the “REPLACEMENT PARTS LIST“.
Suffix
Reason for suffix change
B to C
Memory card change, there is no change in the “REPLACEMENT PARTS LIST“.
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
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
ACCESSORIES AND PACKING MATERIALS
A6
PSQX4376ZCD
PSQY1062Z
INSTRUCTION BOOK, CD-ROM
1
8
W
I
A7
PSQX3217V
PSQX3217U
INSTRUCTION BOOK
1
8
W
I
A8
PSQW2162W
PSQW2162V
LEAFLET, CD-ROM
1
8
W
I
A9
PSQW2375Z
----------
LEAFLET, TEMPLATE
0
6
-
I
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
JP1, JP2
ERJ3GEY0R00
----------
RESISTOR, 0
0
6
-
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