KX-NT400RU (serv.man5) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

2

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 

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)

MAIN BOARD PARTS
Q2

B1CFMM000001

TRANSISTOR(SI)

1

8

V

D11

B0JCND000009

DIODE(SI)

1

8

V

X1

H0J250500085

CRYSTAL OSCILLATOR

1

8

X

X503

H0J250500085

CRYSTAL OSCILLATOR

1

8

V

T1

G5BYC0000030

TRANSFORMER

1

8

V

BHCf

KXNT400RU