Panasonic KX-T7730RU (serv.man2) Service Manual / Supplement ▷ View online
ORDER NO. KMS1412538SE
Proprietary Telephone
Model No.
KX-T7730RU
(for Russia)
TABLE OF CONTENTS
PAGE
1 CHANGES----------------------------------------------------------- 2
1.1. Subject ------------------------------------------------------ 2
1.2. Replacement Parts List ---------------------------------- 2
1.2. Replacement Parts List ---------------------------------- 2
Supplement-8
Please file and use this supplement manual together with the service manual for Model No. KX-T7730RU
Order No. KMS0111594C3.
Order No. KMS0111594C3.
2
KX-T7730RU
1 CHANGES
1.1.
Subject
SUFFIX LOCATION
1.2.
Replacement Parts List
Suffix
Reason for suffix change
H to I
Add PCB-unit for noise rejection.
I to J
Change SP-phone IC.
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:
*1: Improved-new SP-phone IC3 will be delivered as permanent countermeasure.
*1: Improved-new SP-phone IC3 will be delivered as permanent countermeasure.
Then Small sub-PCB unit is deleted on main PCB.
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
IC3
IC3
C1CB00001673
C1CB00004219
IC
1
*1
8
V
J
JK3 PQJJ1C002Z
K2HD1YYE0004
JACK
1
8
V
---
R61 ERJ3GEY0R00
----------
RESISTOR, 0
0
6
-
I
R61
----------
ERJ3GEY0R00V
RESISTOR, 0
1
8
-
J
3
KX-T7730RU
NM
KXT7730RU
Remove the PCB unit
1.Remove the Acetate Tape(ZT102) based on below place.
2.Solder and remove the lead-wire below 4 points.
3.Remove the PCB unit.
4.Add R61(ERJ3GEY0R00V).
5.Change IC3(C1CB00001673
2.Solder and remove the lead-wire below 4 points.
3.Remove the PCB unit.
4.Add R61(ERJ3GEY0R00V).
5.Change IC3(C1CB00001673
C1CB00004219).
[unit side]
[main board side]
+3.3V
->
TP-D3.3V
AG
->
TP-AG1
CS
->
IC4-1-2pin
SPN
->
TP-SPN
TP
-D3.3V
TP
-AG1
TP
-SPN
IC4
-1-2pin
Add R61
ZT
10
2
Change IC3
Remove the PCB unit
Display
