KX-FT982CA-B, KX-FT984CA-B, KX-FT988CA-B (serv.man2) - Panasonic Fax Service Manual Supplement (repair manual). Page 2

2

Serial No.Label tells you the suffix code as follows.

There are two kinds of Digital Board, a new type, old type. The service of new type and old type Digital Boards should proceed
according to each respective procedure.
When replacing the Digital Board or parts on the Digital Board, first confirm if it is a new or old type Digital Board by referring to
the table below.
For the New DIGITAL BOARD (Suffix code is C or later), see to 2.1. Schematic Diagram (Digital Board (PCB1)) (P.3), 2.2.
Printed Circuit Board (P.7) and 2.3. Replacement Parts List (Digital Board Parts) (P.9) for detail.
And for the Old DIGITAL BOARD (Suffix code is A or B), see to the Service Manual for KX-FT982CA-B/KX-FT984CA-B
(Order No. KMF0807173CE) for detail.

  (The fifth digit of the serial number is the suffix.)

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

Remark: 
*a : To change the number of pins of the modem to enhance the Quality. (100pins 

→ 64pins)

2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other

Suffix B 

ψ C

C

Serial No. Label

(Example)

Ref. 

No.

Part No.

Part Name & Description

Pcs/

Set

Remarks

Time of Change

Original (Old)

(Suffix)

Digital Board Parts (KX-FT982/KX-FT984)
PCB1

PNWP1FT982RU

PNWP1FT982RU

DIGITAL BOARD ASS'Y (RTL)
(for KX-FT982)

1

*a

1

V

B to C

PCB1

PNWP1FT984RU

PNWP1FT984RU

DIGITAL BOARD ASS'Y (RTL)
(for KX-FT984)

1

*a

1

V

B to C

Old type

A or B

PNLB1794ZA/M1

New type

C or later

1

C61

C69

R42

R46

R49

R53

IC15

R

30

+6

PNLB1775ZA-LV