KX-AT7730 — Panasonic PBX Service Manual Supplement (repair manual). Page 6

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6
KX-AT7730 Series
2.3.
Replacement Parts List
1. RTL (Retention Time Limited)
Note:
The “RTL” marking indicates that its Retention Time is 
Limited.
When production is discontinued, this item will 
continue to be available only for a specific period of 
time.
This period of time depends on the type of item, and 
the local laws governing parts and product retention. 
At the end of this period, the item will no longer be 
available.
2. Important safety notice
Components identified by the   mark indicates special 
characteristics important for safety. When replacing any 
of these components, only use specified manufacture's 
parts.
3. The S mark means the part is one of some identical parts. 
For that reason, it may be different from the installed part. 
4. ISO code (Example: ABS-94HB) of the remarks column 
shows quality of the material and a flame resisting grade 
about plastics.
5. RESISTORS & CAPACITORS
Unless otherwise specified;
All resistors are in ohms (
Ω) k=1000Ω, M=1000kΩ
All capacitors are in MICRO FARADS (
μF) p=μμF
*Type & Wattage of Resistor
2.3.1.
Cabinet and Electrical Parts
2.3.1.1.
WHITE
2.3.1.2.
BLACK
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
1
PNKM1793Z1
UPPER CABINET
ABS-
94HB
2
PQKE10070Z3
HOOK
ABS-
95HB
3
PSGD1065Z
TEL CARD
  
4
PSHR1264Z
TEL CARD COVER
PC
5
PNHR2126Z
LED LENZ
ABS-
94HB
6
PNWHAAT773X
SPEAKER ASSY
  
7
PSUS1018Z
SPRING
  
8
PSBH1007Z1
PUSH BUTTON
PC+ABS-
94HB
9
PSHG1122Z
MIC COVER
  
10
PNWMAAT773X
MIC ASSY 
  
11
PNBX1441Z1
SP-PHONE KEY
ABS-
94HB
12
PNBX1443Z1
12 KEY BUTTON                        ABS-
94HB
13
PNBX1440Z1
FUNCTION KEY       
ABS-
94HB
14
PNBX1442Z1
CO KEY
ABS-
94HB
15
PNBC1707Z1
NAVI KEY            
ABS-
94HB
16
PSSX1022Z
KEYBOARD SWITCH                   
17
PNYFAAT773X
LOWER CABINET ASSY
PS-94HB
18
PNYEAAT773X
NAME PLATE ASSY (for KX-
AT7730X)
18
PNYEAAT773S
NAME PLATE ASSY (for KX-
AT7730SX)
18
PNYEAAT773U
NAME PLATE ASSY (for KX-
AT7730UE)
18
PNYEAAT773N
NAME PLATE ASSY (for KX-
AT7730NE)
18
PNYEAAT773H
NAME PLATE ASSY (for KX-
AT7730HK)
18
PNYEAAT773R
NAME PLATE ASSY (for KX-
AT7730RU)
19
L5DYAYY00019
LCD (
Suffix
 A only)
  
19
L5DYAYY00186
LCD (Suffix B or later)
20
PNHR2501Z
LCD HOLDER
ABS-
94HB
21
PNGP1320Z1
LCD COVER PANEL
PC-
94VTM-2
22
PNHA1013Z
Foot Rubber
  
A
XTW3+10PFJ7
SCREW
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
1
PNKM1793Z2
UPPER CABINET
ABS-
94HB
2
PQKE10070Z1
HOOK
ABS-
95HB
3
PSGD1065Z
TEL CARD
  
4
PSHR1264Z
TEL CARD COVER
PC
5
PNHR2126Z
LED LENZ
ABS-
94HB
6
PNWHAAT773X
SPEAKER ASSY
  
7
PSUS1018Z
SPRING
  
8
PSBH1007Z2
PUSH BUTTON
PC+ABS-
94HB
9
PSHG1122Z
MIC COVER
  
10
PNWMAAT773X
MIC ASSY 
  
11
PNBX1441Z2
SP-PHONE KEY
ABS-
94HB
12
PNBX1443Z2
12 KEY BUTTON                        ABS-
94HB
13
PNBX1440Z2
FUNCTION KEY       
ABS-
94HB
14
PNBX1442Z2
CO KEY
ABS-
94HB
15
PNBC1707Z2
NAVI KEY            
ABS-
94HB
16
PSSX1022Z
KEYBOARD SWITCH                   
17
PNYFAAT773XB
LOWER CABINET ASSY
PS-94HB
18
PNYEAAT773XB
NAME PLATE ASSY (for KX-
AT7730XB)
18
PNYEAAT773SB
NAME PLATE ASSY (for KX-
AT7730SXB)
18
PNYEAAT773UB
NAME PLATE ASSY (for KX-
AT7730UEB)
18
PNYEAAT773HB
NAME PLATE ASSY (for KX-
AT7730HKB)
19
L5DYAYY00019
LCD (
Suffix
 A only)
  
19
L5DYAYY00186
LCD (Suffix B or later)
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
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