KX-DT543RU, KX-DT543RU-B, KX-DT546RU, KX-DT546RU-B (serv.man5) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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KX-DT543RU/KX-DT543RU-B/KX-DT546RU/KX-DT546RU-B

NM

KXDT543RU/RUB
KXDT546RU/RUB

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)

Cabinet and Electrical Parts (KX-DT546)
35

PNYMDT546NE

LOWER CABINET assembly 
(WHITE)

1

7

---

---

35

PNYMDT546NEB

LOWER CABINET assembly 
(BLACK)

1

7

---

---

36

PNKL1019Z1

STAND(MLT)(BLACK)

1

8

V

---

36

PNKL1019Z2

STAND(MLT)(WHITE)

1

8

V

---

Cabinet and Electrical Parts (KX-DT543)
36

PNKL1019Z1

STAND(MLT)(BLACK)

1

8

V

---

36

PNKL1019Z2

STAND(MLT)(WHITE)

1

8

V

---

Main Board Parts
D315

B0JCMG000016

DIODE(SI)

1

8

V

---