KX-TVM50C, KX-TVM502C, KX-TVM503X, KX-TVM524X, KX-TVM594X, KX-TVM296C (serv.man2) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
KX-TVM50C
1 CHANGES
1.1.
Subject 
KX-TVM50C
KX-TVM524X
KX-TVM594X
SUFFIX LOCATION
1.2.
Replacement Parts List
KX-TVM50C
KX-TVM503X
Suffix
Reason for suffix change
L to M
Software change. There is no change in the "REPLACEMENT PARTS LIST".
Suffix
Reason for suffix change
C to D
Application of each country regulations
Suffix
Reason for suffix change
B to C
Application of each country regulations
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
A2
PFJA1030Z
PNJA1022Z
POWER CORD 
1
8
W
P4
----------
PNZKTVM50CV
GIFT BOX (Made in Vietnam)
1
5
-
MAIN BOARD PARTS
CN105,
CN106
K1KA80A00111
K1KY80A00023
CONNECTOR, 80P
2
8
W
X102
H0J327200143
H0J327200233
CRYSTAL OSCILLATOR
1
8
W
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
ACCESSORIES AND PACKING MATERIALS
A1
----------
PNZKTVM503XV
GIFT BOX (Made in Vietnam)
1
5
-
MAIN BOARD PARTS
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