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© Panasonic System Networks Co., Ltd. 2011
Unauthorized copying and distribution is a violation
of law.

ORDER NO. KM41111400SE

Telephone Equipment

Model No.

KX-TG3721BX3
KX-TG3721BX4
KX-TG3722BX3
KX-TG3722BX4
KX-TGA371BX3
KX-TGA371BX4

2.4 GHz Digital Cordless Answering 
System

3: Black Version
4: Platinum Silver Version
(for UAE, Kuwait and Qatar)

Subject : 

Adding KX-TG3721BX3, KX-TG3721BX4, KX-TG3722BX3, KX-
TG3722BX4,  KX-TGA371BX3, KX-TGA371BX4 to the KX-TG3721BX
Series.

Note: All other information is the same as KX-TG3721BXB Service Manual (Order No.

KM41108487CE). You can download and refer the Service Manual on TSN Server.

TABLE OF CONTENTS

PAGE

1 Exploded View and Replacement Parts List

------------

2

1.1. Cabinet and Electrical Parts (Base Unit) ------------ 2
1.2. Cabinet and Electrical Parts (Handset) -------------- 3
1.3. Cabinet and Electrical Parts (Charger Unit) -------- 4
1.4. Accessories ------------------------------------------------- 5
1.5. Replacement Parts List ---------------------------------- 6

Supplement-1

Please file and use this supplement manual together with the service manual for Model No.KX-
TG3721BXB/KX-TG3721BXN/KX-TG3722BXB/KX-TG3722BXN/KX-TGA371BXB/KX-TGA371BXN,
KM41108487CE .

Summary of Contents for KX-TG3721BX3

Page 1: ...1BX4 to the KX TG3721BX Series Note All other information is the same as KX TG3721BXB Service Manual Order No KM41108487CE You can download and refer the Service Manual on TSN Server TABLE OF CONTENTS PAGE 1 Exploded View and Replacement Parts List 2 1 1 Cabinet and Electrical Parts Base Unit 2 1 2 Cabinet and Electrical Parts Handset 3 1 3 Cabinet and Electrical Parts Charger Unit 4 1 4 Accessori...

Page 2: ...and Electrical Parts Base Unit Note 1 This cable is fixed by welding Do not process a lead wire on jack holder 19 1 CUSHION LCD Push the lead wire toward the arrow after it puts a seal A 14 10 11 9 A E2 A PCB2 15 16 18 E1 1 E3 17 8 4 2 3 5 6 A A A 1 7 12 13 13 Ref No Figure A 2 6 x 8mm PCB1 E4 ...

Page 3: ...ough sales route of Panasonic 3 Attach the SPACER No 115 to the exact location described above 102 103 104 E104 E101 1 110 111 105 108 E108 B 116 115 3 101 107 E102 E105 E109 E106 B E107 MIC100 PCB100 106 112 109 Ref No Ǿ2 8 mm B Figure 114 113 2 Spacer No 115 Battery cover Put it in the center Stick it between ribs CUSHION RUBBER STICK IT WITHIN THE FRAMEWORK ON P C B E103 ...

Page 4: ...4 KX TG3721BX KX TG3722BX KX TGA371BX 1 3 Cabinet and Electrical Parts Charger Unit B 200 200 1 200 3 200 4 200 2 PCB200 ...

Page 5: ...5 KX TG3721BX KX TG3722BX KX TGA371BX 1 4 Accessories A1 A2 ...

Page 6: ...SPEAKER 4 PQHG10729Z RUBBER PARTS SPEAKER 5 PQHR11313Z GUIDE SPEAKER ABS HB 6 PNKE1090Z1 CASE CHARGE TERMINAL for KX TG3721BX3 for KX TG3722BX3 PS HB 6 PNKE1090Z3 CASE CHARGE TERMINAL for KX TG3721BX4 for KX TG3722BX4 PS HB 7 PNJT1064Z CHARGE TERMINAL 8 PNGP1135Z1 PANEL LCD PMMA HB 9 PNBC1353Z1 BUTTON NAVIGATOR KEY for KX TG3721BX3 for KX TG3722BX3 ABS HB 9 PNBC1353Y3 BUTTON NAVIGATOR KEY for KX T...

Page 7: ...RJ2GEJ103 10k S R355 ERJ2GEJ681 680 S R358 ERJ2GEJ103 10k S R359 ERJ2GEJ103 10k S R360 ERJ2GEJ563 56k S Safety Ref No Part No Part Name Description Remarks R361 PQ4R10XJ680 68 S R362 PQ4R10XJ680 68 S R363 ERJ2GEJ222 2 2k S R364 ERJ2GEJ103 10k S R365 ERJ2GEJ473 47k S R366 ERJ2GEJ103 10k S R371 ERJ12YJ1R0 1 R372 ERJ12YJ1R0 1 R373 ERJ2GEJ182 1 8k S R474 ERJ2GEJ1R0 1 S R475 ERJ2GEJ1R0 1 S R501 D0GA563...

Page 8: ...03 FUSE X501 H0J103500037 CRYSTALOSCILLATOR 1 Safety Ref No Part No Part Name Description Remarks PCB2 PNWP23721BXH OPERATIONAL P C BOARD ASS Y RTL LEDS LED901 LNJ237W82RA LED LED902 LNJ237W82RA LED LED905 LNJ237W82RA LED LED906 LNJ237W82RA LED Safety Ref No Part No Part Name Description Remarks LED907 LNJ237W82RA LED LED908 LNJ237W82RA LED RESISTORS R901 ERJ2GEJ181 180 S R902 ERJ2GEJ181 180 S R90...

Page 9: ...5k S R31 ERJ2GEJ103 10k S R45 ERJ6RSJR10V 0 1 R50 ERJ2GEJ103 10k S R51 ERJ3GEYJ331 330 S R52 ERJ2GEJ331 330 S R53 ERJ3GEYJ332 3 3k S R54 ERJ2GEJ103 10k S Safety Ref No Part No Part Name Description Remarks R55 ERJ2GEJ102 1k S R63 ERJ2GEJ101 100 S R64 ERJ2GEJ103 10k S R66 ERJ2GEJ102 1k S R76 ERJ2GEJ1R0 1 S R77 ERJ2GEJ1R0 1 S R100 ERJ2GEJ104 100k S R203 D0GA563ZA006 56k R215 ERJ2GE0R00 0 S R806 ERJ2...

Page 10: ...SE X1 H0J103500039 CRYSTAL OSCILLATOR 1 Safety Ref No Part No Part Name Description Remarks 200 PNLC1018ZB CHARGER UNIT ASS Y without NAME PLATE RTL for KX TG3722BX3 200 PNLC1018ZN CHARGER UNIT ASS Y without NAME PLATE RTL for KX TG3722BX4 200 1 PNKM1204Z1 CABINET BODY for KX TG3722BX3 PS HB 200 1 PNKM1204Y3 CABINET BODY for KX TG3722BX4 PS HB 200 2 PNJT1066Z CHARGE TERMINAL 200 3 PNKF1150Z1 CABIN...

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