Read Panasonic KX-T7730RU Service Manual Supplement online
2
KX-T7730RU
1 CHANGES
1.1.
Subject
SUFFIX LOCATION
1.2.
Replacement Parts List
Suffix
Reason for suffix change
F to G
To prevent the noise problem.
G to H
Productivity improvement.(Main Board change. PCB: from PSUP1382ZC to PSUP1382ZD)
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
*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
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)
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.
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.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change
(Suffix)
Original (Old)
New
MAIN BOARD PARTS
T1
T1
G5A1A0000003
G5AYA0000009
TRANSFORMER
1
8
V
R3
ERJ3GEYJ392
ERJ3GEYJ222
RESISTOR, 2.2kΩ
1
1
W
G
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