Panasonic KX-FT31 Series User manual

©2000 Kyushu Matsushita Electric Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
KX-FT31 Series
KX-FT33 Series
KX-FT37 Series
Personal Facsimile/Telephone Answering System With Facsimile
Subject : Parts Change
Please file and use this supplement manual together with the original and simplified service manuals for
the following models.
ORDER NO. KMF0001192S3

1 REPLACEMENT PARTS LISTS
1.1. REFERENCE CHART
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in 1.2. ORIGINAL AND NEW PARTS
COMPARISON LIST(S).
1. Improve performance Remarks:
2. Change of material or dimension *a: To improve the electric conduction.
3. To meet approved specification *b: For prevention of static electricity.
4. Standardization *c: To facilitate the production process.
5. Addition *d: To share the part with other models.
6. Deletion *e: To meet the Argentine safety requirements.
7. Correction *f: To modify the parameter for inspection on the production line.
8. Other *g: The factory for production is transferred from Japan to China. (The place of production described
in the name plate is changed from “Made in Japan” to “Made in China”.)
*h: To improve the tone quality of TAM.
*i: To improve cutter’s performance
Interchangeability Code
**The following items (V-Z) indicate the interchangeability. See the “Notes” column for each part in 1.2. ORIGINAL AND NEW PARTS
COMPARISON LIST(S).
Parts Set Production
VOriginal
New Early (before change) Late (after change) Original or new parts may be used in early or late production set. Use original parts until exhausted, then stock new parts.
WOriginal
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.
XOriginal
New Early (before change) Late (after change) New parts only may be used in early or late production sets. Stock new parts.
YOriginal
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.
ZOther
Note:
Alphabets in the “Remarks” column in the following lists correspond to the alphabets in the “Remarks”in1.1. REFERENCE
CHART.
1.2. ORIGINAL AND NEW PARTS COMPARISON LIST(S)
1.2.1. KX-FT31BX, KX-FT31BX-W
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1320Z PFPK1476Z-J GIFT BOX (KX-FT31BX only) 1*c 8 V
P1 PFPK1352Z PFPK1477Z-J GIFT BOX (KX-FT31BX-W only) 1*c 8 V
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.2. KX-FT31CX-W
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
FIXTURES AND TOOLS
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
2
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.3. KX-F306TW, KX-F308TW
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1353Z PFPK1478Z-J GIFT BOX (KX-F306TW only) 1*c 8 W
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.4. KX-FT31RS
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
71 PFGT1345Y PFGT1585Z-C NAME PLATE 1*g 8 Y
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1354Z PFPK1487Y-C GIFT BOX 1*g 8 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.5. KX-FT31TK
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
3
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.6. KX-F316TW/KX-F318TW
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
101 --------------------------- PFHE1024Z SPACER, CUTTER (KX-F316TW only)
(See 4.1. UPPER CABINET SECTION.) 1*i 1 Y
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1410Z PFPK1480Z-J GIFT BOX (KX-F316TW only) 1*c 8 V
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.7. KX-FT33AL, KX-FT33NZ
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ACCESSORIES AND PACKING MATERIALS
A2 PQJA244Y PQJA224Y POWER CODE 1-------- 7---
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.8. KX-FT33CX-W
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
97 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
4
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.9. KX-FT33HK, KX-FT33LA, KX-FT33LS, KX-FT34BR/KX-FT34BR2, KX-FT34BR-G/KX-
FT34BR2-G, KX-FT34HK
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1380Z PFPK1482Z-J GIFT BOX (KX-FT33HK only) 1*c 8 V
P1 PFPK1402Z PFPK1483Z-J GIFT BOX (KX-FT34HK only) 1*c 8 V
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.10. KX-FT33ML
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.11. KX-FT33RS
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
71 PFGT1378Z PFGT1586Z-C NAME PLATE 1*g 8 Y
97 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1394Z PFPK1488Y-C GIFT BOX 1*g 8 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
5
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.12. KX-FT33SA
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
93 PFDX1010Z PFDX1010Y CUTTER 1*d 4 V
97 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.13. KX-FT33TK
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
93 PFDX1010Z PFDX1010Y CUTTER 1*d 4 V
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.14. KX-FT35SA/KX-FT37SA, KX-FT37AL, KX-FT37TK
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
98 PFJS02Q62Z PQJS02Q62Z CONNECTOR, 2PINS 1-------- 7---
99 --------------------------- PFHE1024Z SPACER, CUTTER (KX-FT37SA and
KX-FT37TK only) [See 4.1. UPPER
CABINET SECTION.]
1*i 1 Y
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (only for the following
models with cutter, KX-FT37SA,KX-FT37AL
and KX-FT37TK.) [See 4.3. MOTOR
SECTION.]
1*i 1 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
6
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.15. KX-FT37CX-W
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
99 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
DIGITAL BOARD PARTS
IC2 PFWIFT37CX PFWIFT37CX1 IC (ROM) 1*f 1 W
FIXTURES AND TOOLS
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.16. KX-FT37LA
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
98 PFJS02Q09Z PQJS02Q62Z CONNECTOR, 2PINS 1-------- 7---
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.17. KX-FT37LS
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
97 Not Used PQJM128Z MICROPHONE 1-------- 7---
98 Not Used PQJS02Q62Z CONNECTOR, 2PINS 1-------- 7---
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
7
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.18. KX-FT37ML
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.19. KX-FT37NZ
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
98 PFJS02Q62Z PQJS02Q62Z CONNECTOR, 2PINS 1-------- 7---
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
DIGITAL BOARD PARTS
IC2 PFWIFT37NZ1 PFWIFT37NZ2 IC (ROM) 1*h 1 W
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.20. KX-FT37RS
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
71 PFGT1379Z-J PFGT1587Z-C NAME PLATE 1*g 8 Y
99 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1530Z-J PFPK1530Y-C GIFT BOX 1*g 8 Y
DIGITAL BOARD PARTS
IC2 PFWIFT37RS PFWIFT37RS1 IC (ROM) 1*f 1 W
FIXTURES AND TOOLS
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
8
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.21. KX-FT38AG
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
98 PFJS02Q09Z PQJS02Q62Z CONNECTOR, 2PINS 1-------- 7---
99 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
105 PFJS02R20Z PFJS02R60Z CONNECTOR, 2PINS 1*e 3 W
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ANALOG BOARD PARTS
PCB2 PFLP1114BXZ PFLP1114AGZ ANALOG BOARD ASS´Y (RTL) 1*e 1 V
T1 PQLT8E7A PFLT8E003 TRANSFORMER 1*e 1 V
T2 PQLT8D2A PFLT8E004 TRANSFORMER 1*e 1 V
RLY1 AHX203 ATXD20328 RELAY 1*e 1 V
PC2 PQVIPC817CD PQVIPS2532-1 PHOTO ELECTRIC TRANSDUCER 1*e 1 V
PC5 PQVIPC817CD PQVIPS2532-1 PHOTO ELECTRIC TRANSDUCER 1*e 1 V
PC6 PQVIPC814K PQVITLP620K PHOTO ELECTRIC TRANSDUCER 1*e 1 V
SA2 PFVDRA102M PFRZ001Z VARISTOR 1*e 1 V
R62 ERJ3GEYJ102 ERJ3GEYJ183 RESISTOR, 18k 1*e 1 V
R69 ERJ3GEYJ153 ERJ3GEYJ223 RESISTOR, 22k 1*e 1 V
R75 ERJ3GEYJ334 ERJ3GEYJ823 RESISTOR, 82k 1*e 1 V
C40 ECUV1H103KBV ECUV1H222KBV CAPACITOR, 0.0022µF 1*e 1 V
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
1.2.22. KX-FT38BR/KX-FT38BR2
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
100 --------------------------- PFHE1024Z SPACER, CUTTER (See 4.1. UPPER
CABINET SECTION.) 1*i 1 Y
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
9
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

1.2.23. KX-FTC47BX
Ref No. Part No. Part Name & Descriptions Pcs/
Set Remarks Notes
Original Part No. New Part No.
CABINET AND ELECTRICAL SECTION
25 PFUS1095Z PFUS1095X OPEN EARTH 1*a 1 W
37 PFMH1046Z PFMH1046Y SHADING PLATE 1*b 1 W
104 PFAS50PTC01Y PFWE1FT31BX SPEAKER ASS’Y (See 4.2. LOWER
CABINET / P.C.B. SECTION.) 1*d 4 Y
104-1 --------------------------- PFUS1165Z SPRING, SPEAKER 1*d 4 Y
106 PFUS1089Z --------------------------- ----------------------------------------- 0Deleted --- ---
108 PFMD1024Z PFMD1024Y FRAME, BOTTOM 1*d 4 V
131 PFZMFT31BX PFZMFTC47BX GEAR CHASSIS ASS’Y 1*c 8 W
131-1 PFUA1011Z PFUA1011Y GEAR CHASSIS 1*c 8 W
156 --------------------------- PFHX1031Z SHEET, BRAKE (See 4.3. MOTOR
SECTION.) 1*i 1 Y
ACCESSORIES AND PACKING MATERIALS
P1 PFPK1448Z PFPK1448Z-J GIFT BOX 1-------- 7---
P3 PFN1171Z PFPN1212Z CUSHION PARTS ASS’Y-1 1*c 8 V
P3 PFPN1062Z --------------------------- ----------------------------------------- 0Deleted --- ---
P3 PFPN1063Z --------------------------- ----------------------------------------- 0Deleted --- ---
P4 PFN1172Z PFPN1211Z CUSHION PARTS ASS’Y-2 1*c 8 V
P4 PFPN1064Z --------------------------- ----------------------------------------- 0Deleted --- ---
P4 PFPN1065Z --------------------------- ----------------------------------------- 0Deleted --- ---
FIXTURES AND TOOLS
EC5 PQZZ2K6Z PFZZ12K1Z CONNECTOR, 12PINS 1-------- 7---
EC7 PFZZ13K1Z PFZZ16K1Z CONNECTOR, 16PINS 1-------- 7---
EC9 PFZZ12K1Z PQZZ12K4Z CONNECTOR, 12PINS 1-------- 7---
10
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

2 TROUBLESHOOTING GUIDE
2.1. Service Function Table (for KX-FT33NZ only)
Please add the following to 4-4. SERVICE FUNCTION TABLE on page 10 in the simplified manual.
11
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

3 CIRCUIT OPERATIONS 3.1. General Block Diagram (for KX-FT38BR/KX-FT38BR2 only) Please replace page 15 in the simplified manual.
ANALOG BOARDDIGITAL BOARD
POWER SUPPLY
ASIC
IC4
DC
LOOP
ANALOG
SW
LINE
PC
T/P
MIC
PAPER
HOOK SW
BELL/DCN
SEL1
SEL2
+
~
T/P
PAPER
JAM
JAM
HOOK
VOX
HOOK BOARD
HANDSET
SPEAKER
+24V
+8V
+5V
RLY
BREAK
CPC ALC
SP
AMP
VOL
RXIN
TXOUT
XTLI CODEC
CPU
I/F
RESET
DELAY
OP PANEL
I/F
IMAGE
PROCESSING MOTOR I/F
MOTORSENSOR
ROM
4M
SRAM
256k FLASH 4M
OSC
RTC
I/O
TR
A/D
RESET RESET
REGFET
IC15
IC3
IC1
IC8
IC2 IC7 IC5
53MHz
24MHz
32kHz
IC6
IC6
IC1
IC11
IC9,10
BATT
CIS THERMAL HEAD
+24V
+24V
KX-FT38BR:
AC120V
KX-FT38BR2:
AC220-240V
+8V
+8V
+5V
+5V/BATT
MODEM
VOL
DATA/
CLK/
LATCH
TONE2
TONE1
SER I/F
PRINTER
CONTROL
ROM X' POINT
MOTOR DRIVER
MOTOR BLOCK
OPERATION PANEL
G/A
LCD
READ POSITION SENSOR
COVER SENSOR DOCUMENT SENSOR
JOG KEY MATRIX
12
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

4 CABINET, MECHANICAL AND ELECTRICAL PARTS
LOCATION
4.1. UPPER CABINET SECTION
Models:
KX-F316TW, KX-FT33CX-W, KX-FT33RS, KX-FT33SA, KX-FT37CX-W, KX-FT37RS, KX-FT37SA, KX-FT37TK, KX-FT38AG,
KX-FT38BR/KX-FT38BR2
4.2. LOWER CABINET / P.C.B. SECTION
13
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series

4.3. MOTOR SECTION
Models:
For the models with cutter only
14
KX-FT31 Series / KX-FT33 Series / KX-FT37 Series
HK(Q) KXFT31 Series
KXFT33 Series
KX-FT37 Series
Printed in Japan