Read Panasonic KX-T7740X Service Manual Supplement online
1 CHANGES
1.1. SUBJECT
Suffix
Reason for suffix change
C
→
D
Change of the Name Plate for the regulation.
D
→
E
Change of the CO Key for users.
1.2. SUFFIX LOCATION
1.3. REPLACEMENT PARTS LIST
Reason for Change (Symbol:A) Following 1-8 reasons are indicated on the Notes in the bottom column.
1. Improve performance
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
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 (Symbol:B) Following V-Z interchangeabilities are indicated on the Notes in the bottom column.
Parts
Set Production
V Original
New
Early (before change)
Late (after 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.
Use original parts until exhausted, then stock new parts.
W Original
New
Early (before change)
Late (after 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.
or late production sets. Use original parts where possible, then stock new parts.
X Original
New
Early (before change)
Late (after change)
Late (after change)
New parts only may be used in early or late production sets.
Stock new parts.
Stock new parts.
Y Original
New
Early (before change)
Late (after 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.
production sets only. Stock both original and new parts.
Z Other
Ref. No.
Parts No.
Part Name & Description
Pcs/
Set
Remarks
Notes Time of change
(Suffix)
Original (Old)
New
CABINET AND ELECTRICAL PARTS
6
6
PSBX1104Z1
PSBX1104Y1
BUTTON, 4CO
1
8
X
E
8
PSBX1100Z1
PSPX1100X1
BUTTON, CO
1
8
X
E
12
PSGT2209W
PSGT2209V
NAME PLATE
1
3
X
D
2
KX-T7740X
N.T.
KXT7740X
KXT7740X
4
KX-T7740X
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