KX-TDA6174XJ, KX-TDA6174X (serv.man5) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

2

KX-TDA6174XJ

KX-TDA6174X

1:See Section 1.1. for Suffix change.

HM1

KXTDA6174XJ

KXTDA6174XUK

Suffix

Reason for suffix change

E to F

Request from vender. Software change (IC602: Ver. U0N1AB to U0N1AC)

Suffix

Reason for suffix change

B to C

Request from vender. Software change (IC602: Ver. U0N1AB to U0N1AC)

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)*1

Original (Old)

KX-TDA6174XJ KX-TDA6174X

ACCESSORIES AND PACKING MATERIALS
P5

XZB05X08A03

PROTECTION COVER 
(Made In UK)

1

8

V

MAIN BOARD PARTS
IC602

PSWIA6174XJ1

IC

1

8

W

F

C