Panasonic KX-TG3721BX3 User manual

© 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 .

2
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
1 Exploded View and Replacement Parts List
1.1. Cabinet 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

3
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
1.2. Cabinet and Electrical Parts (Handset)
Note:
(*1) This cable is fixed by welding.
(*2) The rechargeable Ni-MH battery HHR-4MRT is available through 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

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

5
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
1.4. Accessories
A1 A2

6
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
1.5. Replacement Parts List
1. RTL (Retention Time Limited)
Note:
The “RTL” marking indicates that its Retention Time is
Limited.
When production is discontinued, this item will
continue to be available only for a specific period of
time.
This period of time depends on the type of item, and
the local laws governing parts and product retention.
At the end of this period, the item will no longer be
available.
2. Important safety notice
Components identified by the mark indicates special
characteristics important for safety. When replacing any
of these components, only use specified manufacture's
parts.
3. The S mark means the part is one of some identical parts.
For that reason, it may be different from the installed part.
4. ISO code (Example: ABS-94HB) of the remarks column
shows quality of the material and a flame resisting grade
about plastics.
5. RESISTORS & CAPACITORS
Unless otherwise specified;
All resistors are in ohms (Ω) k=1000Ω, M=1000kΩ
All capacitors are in MICRO FARADS (µF) p=µµF
*Type & Wattage of Resistor
1.5.1. Base Unit
1.5.1.1. Cabinet and Electrical Parts
1.5.1.2. Main P.C. Board Parts
Note:
(*1) When replacing IC502, IC601, IC611 or X501, make
the adjustment using PNZZTG3721BX.
(*2) When removing E4, use special tools (ex. Hot air
disordering tool).
Safety Ref.
No.
Part No. Part Name & Description Remarks
1 PNGS1003R NET,MESH SHEET (for KX-
TG3721BX3)(for KX-
TG3722BX3)
PC-VO
1 PNGS1003P NET,MESH SHEET (for KX-
TG3721BX4)(for KX-
TG3722BX4)
PC-VO
2 PNKM1190N1 CABINET BODY (for KX-
TG3721BX3)(for KX-
TG3722BX3)
PS-HB
2 PNKM1190M3 CABINET BODY (for KX-
TG3721BX4)(for KX-
TG3722BX4)
PS-HB
3 L0AA02A00087 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-TG3721BX4)(for
KX-TG3722BX4)
ABS-HB
10 PNHR1385Z GUIDE, BUTTON PS-HB
11 PNBC1345Z1 BUTTON, MESSAGE (for
KX-TG3721BX3)(for KX-
TG3722BX3)
PS-HB
11 PNBC1345Z4 BUTTON, MESSAGE (for
KX-TG3721BX4)(for KX-
TG3722BX4)
PS-HB
12 PNJK1103Z KEYBOARD SWITCH (for
KX-TG3721BX3)(for KX-
TG3722BX3)
12 PNJK1103W KEYBOARD SWITCH (for
KX-TG3721BX4)(for KX-
TG3722BX4)
13 PNLA1083Z ANTENNA
14 PNHR1387Z GUIDE, JACK PS-HB
15 PQJJ1T039M JACK, MODULAR
16 K2ECYZ000001 JACK, DC
17 PNKF1132Y1 CABINET COVER (for KX-
TG3721BX3)(for KX-
TG3722BX3)
PS-HB
17 PNKF1132Y2 CABINET COVER (for KX-
TG3721BX4)(for KX-
TG3722BX4)
PS-HB
18 PQHA10023Z RUBBER PARTS, FOOT
CUSHION
19 PNYE1029Z SPACER, CUSHION LCD
Safety Ref.
No.
Part No. Part Name & Description Remarks
PCB1 PNWP13721BXH MAIN P.C.BOARD ASS'Y
(RTL)
(ICs)
I C 3 0 2 C 0 D B E Y Y 0 0 1 0 2 I C
I C 3 5 1 C 0 E B E 0 0 0 0 1 2 4 I C
I C 5 0 1 C 1 C B 0 0 0 0 3 5 4 5 I C
IC502 C3FBLY000125 IC(FLASH)
IC601 C3FBLY000124 IC(FLASH) (*1)
IC611 PNWIG3411BXH IC(EEPROM)(*1)
(TRANSISTORS)
Q141 B1ACGP000008 TRANSISTOR(SI)
Q142 B1ABDM000001 TRANSISTOR(SI)
Q161 DSC7003S0L TRANSISTOR(SI)
Q301 B1ADGE000012 TRANSISTOR(SI)
Q302 B1ADGE000012 TRANSISTOR(SI)
Q351 B1ADNB000003 TRANSISTOR(SI)
Q352 B1ABDF000017 TRANSISTOR(SI)
Q354 B1GBCFYY0010 TRANSISTOR(SI)
Q361 B1ABDF000017 TRANSISTOR(SI)
Q362 B1GBCFYY0020 TRANSISTOR(SI)
Q363 B1ABDF000017 TRANSISTOR(SI)
Q601 B1ABDF000017 TRANSISTOR(SI)
Q653 PSVTUMG11NTR TRANSISTOR(SI) S
(DIODES)
D101 PQVDMD5S DIODE(SI)
Safety Ref.
No.
Part No. Part Name & Description Remarks

7
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
D133 1SS355 DIODE(SI) S
D142 PQVDPTZT2530 DIODE(SI) S
D362 B0ECKM000008 DIODE(SI)
D801 B0DCCD000013 DIODE(SI)
D802 B0DCCD000013 DIODE(SI)
D803 B0DCCD000013 DIODE(SI)
D804 B0DCCD000013 DIODE(SI)
(COILS)
L 1 0 1 P Q L Q X F 3 3 0 K C O I L S
L 1 0 2 P Q L Q X F 3 3 0 K C O I L S
L 3 5 1 P Q L Q R 2 K A 1 1 3 C O I L S
L 8 0 2 G 1 C 4 N 7 Z 0 0 0 0 6 C O I L
L 8 0 3 G 1 C 4 N 7 Z 0 0 0 0 6 C O I L
L 8 0 4 G 1 C 4 N 7 Z 0 0 0 0 6 C O I L
L 8 0 5 G 1 C 1 N 5 Z 0 0 0 0 7 C O I L
L 8 0 6 G 1 C 1 N 5 Z 0 0 0 0 7 C O I L
L 8 0 7 P Q L Q R 4 C 1 5 N J C O I L S
(RESISTOR ARRAYS)
RA501 D1H422120001 RESISTOR ARRAY
RA651 D1H810240004 RESISTOR ARRAY S
RA652 D1H810240004 RESISTOR ARRAY S
RA653 D1H810240004 RESISTOR ARRAY S
(VARISTOR)
SA101 J0LF00000048 VARISTOR (SURGE
ABSORBER)
(RESISTORS)
R 1 0 1 P Q 4 R 1 0 X J 4 7 5 4 . 7 M S
R 1 0 2 P Q 4 R 1 0 X J 4 7 5 4 . 7 M S
R 1 0 3 P Q 4 R 1 0 X J 1 8 4 1 8 0 k S
R 1 0 4 P Q 4 R 1 0 X J 1 8 4 1 8 0 k S
R 1 0 5 P Q 4 R 1 0 X J 1 0 5 1 M S
R 1 0 6 P Q 4 R 1 0 X J 1 0 5 1 M S
R 1 0 7 E R J 2 G E J 1 0 2 1 k S
R 1 0 8 E R J 2 G E J 1 0 2 1 k S
R 1 0 9 E R J 2 G E J 8 2 3 8 2 k S
R 1 1 0 E R J 2 G E J 8 2 3 8 2 k S
R 1 1 1 E R J 2 G E J 3 9 2 3 . 9 k S
R 1 1 2 E R J 2 G E J 1 2 4 1 2 0 k S
R 1 2 1 E R J 2 G E J 1 0 2 1 k S
R 1 2 2 E R J 2 G E J 1 0 2 1 k S
R 1 2 3 E R J 2 G E J 1 0 2 1 k S
R125 ERJ2GEJ271 270 S
R 1 3 1 P Q 4 R 1 8 X J 1 0 6 1 0 M S
R 1 3 2 E R J 3 G E Y J 2 0 5 2 M S
R 1 3 3 E R J 3 G E Y J 1 8 4 1 8 0 k S
R 1 4 1 E R J 3 G E Y J 1 0 4 1 0 0 k S
R 1 4 2 P Q 4 R 1 8 X J 2 7 2 2 . 7 k S
R 1 4 5 E R J 2 G E J 2 2 2 2 . 2 k S
R 1 5 1 E R J 2 G E J 1 0 4 1 0 0 k S
R 1 5 2 E R J 2 G E J 4 7 4 X 4 7 0 k S
R160 ERJ3GEYJ911 910 S
R 1 6 1 E R J 3 G E Y J 1 0 4 1 0 0 k S
R 1 6 2 E R J 3 G E Y J 2 7 3 2 7 k S
R163 ERJ12YJ120 12
R 1 6 4 E R J 3 G E Y J 2 7 2 2 . 7 k S
R 1 6 5 E R J 3 G E Y J 2 7 3 2 7 k S
R 1 6 6 E R J 3 G E Y J 8 2 2 8 . 2 k S
R167 ERJ12YJ270 27
R169 ERJ2GE0R00 0 S
R170 ERJ2GE0R00 0 S
R 1 7 8 E R J 2 G E J 3 3 2 3 . 3 k S
R 3 1 1 E R J 2 G E J 1 0 3 1 0 k S
R 3 1 2 E R J 2 G E J 1 0 3 1 0 k S
R321 ERJ2RKF1400 140
R322 ERJ2RKF1000 100
R 3 5 1 E R J 2 G E J 3 9 2 3 . 9 k S
R 3 5 2 E R J 2 G E J 5 6 3 5 6 k S
R 3 5 3 E R J 2 G E J 1 0 3 1 0 k S
R 3 5 4 E R J 2 G E J 1 0 3 1 0 k S
R355 ERJ2GEJ681 680 S
R 3 5 8 E R J 2 G E J 1 0 3 1 0 k S
R 3 5 9 E R J 2 G E J 1 0 3 1 0 k S
R 3 6 0 E R J 2 G E J 5 6 3 5 6 k S
Safety Ref.
No.
Part No. Part Name & Description Remarks
R361 PQ4R10XJ680 68 S
R362 PQ4R10XJ680 68 S
R 3 6 3 E R J 2 G E J 2 2 2 2 . 2 k S
R 3 6 4 E R J 2 G E J 1 0 3 1 0 k S
R 3 6 5 E R J 2 G E J 4 7 3 4 7 k S
R 3 6 6 E R J 2 G E J 1 0 3 1 0 k S
R371 ERJ12YJ1R0 1
R372 ERJ12YJ1R0 1
R 3 7 3 E R J 2 G E J 1 8 2 1 . 8 k S
R474 ERJ2GEJ1R0 1 S
R475 ERJ2GEJ1R0 1 S
R 5 0 1 D 0 G A 5 6 3 Z A 0 0 6 5 6 k
R 5 0 2 E R J 2 G E J 3 3 2 3 . 3 k S
R 5 0 4 E R J 2 G E J 1 0 3 1 0 k S
R 5 0 5 E R J 2 G E J 1 0 2 1 k S
R506 ERJ2GEJ101 100 S
R 5 0 7 E R J 2 G E J 1 0 4 1 0 0 k S
R508 ERJ2GEJ100 10 S
R 5 1 6 E R J 2 G E J 4 7 3 4 7 k S
R 5 1 7 E R J 2 G E J 4 7 3 4 7 k S
R 6 0 1 E R J 2 G E J 3 3 2 3 . 3 k S
R602 ERJ2GEJ561 560 S
R603 ERJ2GEJ561 560 S
R604 ERJ2GEJ561 560 S
R 6 0 5 E R J 2 G E J 4 7 3 4 7 k S
R 6 0 6 E R J 2 G E J 1 0 3 1 0 k S
R 6 0 7 E R J 2 G E J 1 0 3 1 0 k S
R 6 1 1 E R J 2 G E J 1 0 3 1 0 k S
R 6 1 2 E R J 2 G E J 3 3 2 3 . 3 k S
R 6 1 3 E R J 2 G E J 3 3 2 3 . 3 k S
R 6 6 5 E R J 2 G E J 1 0 3 1 0 k S
R668 ERJ2GEJ561 560 S
R 6 7 1 E R J 2 G E J 4 7 3 4 7 k S
R 6 7 2 E R J 2 G E J 4 7 3 4 7 k S
R 6 7 3 E R J 2 G E J 4 7 3 4 7 k S
R806 ERJ2GEJ221 220 S
R807 ERJ2GEJ221 220 S
R891 ERJ2GEJ221 220 S
R892 ERJ2GEJ221 220 S
(CAPACITORS)
C 1 0 1 E C U V 2 H 6 8 1 K B 6 8 0 p S
C 1 0 2 E C U V 2 H 6 8 1 K B 6 8 0 p S
C103 ECUV1C103KBV 0.01
C104 ECUV1C103KBV 0.01
C 1 0 5 E C U V 2 H 6 8 1 K B 6 8 0 p S
C 1 0 6 E C U V 2 H 6 8 1 K B 6 8 0 p S
C107 ECUV1C103KBV 0.01
C108 ECUV1C103KBV 0.01
C 1 0 9 E C U E 1 H 8 2 1 K B Q 8 2 0 p
C 1 1 0 E C U E 1 H 8 2 1 K B Q 8 2 0 p
C111 ECUE1A333KBQ 0.033
C 1 1 2 E C U E 1 H 1 0 0 D C Q 1 0 p
C113 ECUE1A823KBQ 0.082
C 1 2 3 E C U E 1 H 1 0 0 D C Q 1 0 p
C 1 2 4 E C U E 1 H 1 0 0 D C Q 1 0 p
C 1 2 5 E C U E 1 H 1 0 0 D C Q 1 0 p
C132 ECUV1C105KBV 1
C142 ECUV1H103KBV 0.01
C152 ECUE1C103KBQ 0.01
C161 EEE1HA100SP 10
C167 ECUV1H102KBV 0.001
C171 ECUV1C223KBV 0.022
C 1 7 2 E C U E 1 H 1 0 0 D C Q 1 0 p
C173 ECUE1A104KBQ 0.1
C184 ECUV1A105KBV 1
C 3 0 1 E C U V 1 H 1 0 1 J C V 1 0 0 p
C306 F2G1C1010034 100
C311 ECUV1C105KBV 1
C312 ECUV1C105KBV 1
C321 ECUV1A105KBV 1
C341 EEE0JA221WP 220
C342 ECUE1A104KBQ 0.1
C 3 4 3 E C U E 1 H 1 0 0 D C Q 1 0 p
Safety Ref.
No.
Part No. Part Name & Description Remarks

8
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
1.5.1.3. Operational P.C.Board parts
1.5.2. Handset
1.5.2.1. Cabinet and Electrical Parts
1.5.2.2. Main P.C. Board Parts
Note:
(*1) When replacing IC4, IC3 or X1, make the adjustment
using PNZZTG3721BX.
(*2) When removing E106, use special tools (ex. Hot air
disordering tool).
C344 F2G0J1020022 1000
C345 EEE0JA221WP 220
C351 ECUV1C105KBV 1
C353 ECUE1H330JCQ 33p
C472 ECUE1H100DCQ 10p
C473 ECUE1H100DCQ 10p
C474 ECUE1H222KBQ 0.0022
C475 ECUE1H222KBQ 0.0022
C476 ECUE1H151JCQ 150p
C477 ECUE1H100DCQ 10p
C478 ECUE1H100DCQ 10p
C479 ECUE1H151JCQ 150p
C501 ECUE1A104KBQ 0.1
C502 ECUE0J105KBQ 1
C503 ECUE1H100DCQ 10p
C504 ECUE1A104KBQ 0.1
C505 ECUE1A104KBQ 0.1
C506 ECUV1A225KBV 2.2
C507 ECUV1A105KBV 1
C508 ECUV1A105KBV 1
C509 ECUV0J225KBV 2.2
C511 ECUV1A105KBV 1
C513 ECUE1A104KBQ 0.1
C516 ECUE1A104KBQ 0.1
C517 ECUE1A104KBQ 0.1
C518 ECUE1A104KBQ 0.1
C519 ECUE1A104KBQ 0.1
C523 F1G1H100A722 10p
C601 ECUE1A104KBQ 0.1
C603 ECUE1C103KBQ 0.01
C611 ECUE1A104KBQ 0.1
C661 ECUE1A104KBQ 0.1
C805 F1G1H1R8A798 1.8p
C806 F1G1H1R8A798 1.8p
C809 ECUE1H100DCQ 10p S
C810 F1G1HR60A798 0.6p
C811 ECUE1H100DCQ 10p S
C812 ECUE1H100DCQ 10p S
C813 F1G1HR60A798 0.6p
C820 F1G1H4R7A798 4.7p
C822 ECUE1H100DCQ 10p S
C825 ECUE1H100DCQ 10p S
C826 F1G1H100A722 10p
C827 F1G1H2R0A798 2p
C828 F1G1H2R0A798 2p
C851 ECUE1H100DCQ 10p S
C853 ECUE1H100DCQ 10p S
C855 ECUE1H100DCQ 10p S
C857 ECUE1H100DCQ 10p S
C859 ECUE1H100DCQ 10p S
C860 F1G1H3R3A798 3.3p
C861 F1G1H2R0A798 2p
(OTHERS)
E1 L5DYBYY00021 LIQUID CRYSTAL DISPLAY
E2 PNHX1406Z COVER, LCD
E3 PNHR1386Z GUIDE, LCD ABS-HB
E4 PNMC1033Z CASE, MAGNETIC SHIELD
(*2)
P101 D4DAY220A022 THERMISTOR (POSISTOR)
F301 K5H302Y00003 FUSE
X501 H0J103500037 CRYSTAL OSCILLATOR (*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
R903 ERJ2GEJ181 180 S
R904 ERJ2GEJ181 180 S
(CAPACITORS)
C901 ECUV1C105KBV 1
C902 F1J1E105A197 1
C903 ECUV1C105KBV 1
Safety Ref.
No.
Part No. Part Name & Description Remarks
101 PNGP1137Z1 PANEL, LCD (for KX-
TGA371BX3)
PMMA-HB
101 PNGP1137Z3 PANEL, LCD (for KX-
TGA371BX4)
PMMA-HB
102 PNYE1041Z TAPE, DOUBLESIDED
103 PNKM1191Z1 CABINET BODY (for KX-
TGA371BX3)
ABS-HB
103 PNKM1191U3 CABINET BODY (for KX-
TGA371BX4)
ABS-HB
104 PNHR1391Z OPTIC CONDUCTIVE PARTS,
LED LENS
PS-HB
105 L0AD01A00024 RECEIVER
106 PNYE1029Z SPACER, CUSHION LCD
107 PNBC1354Z1 BUTTON, NAVIGATOR KEY
(for KX-TGA371BX3)
ABS-HB
107 PNBC1354Y3 BUTTON, NAVIGATOR KEY
(for KX-TGA371BX4)
ABS-HB
108 PNJK1113R KEYBOARD SWITCH (for
KX-TGA371BX3)
108 PNJK1113Q KEYBOARD SWITCH (for
KX-TGA371BX4)
109 PQHR11315Z GUIDE, SPEAKER ABS-HB
110 L0AA02A00095 S P E A K E R
111 PQHS10784Y SPACER, SPEAKER NET
112 PNJC1018Z BATTERY TERMINAL
113 PNKF1134Z1 CABINET COVER (for KX-
TGA371BX3)
ABS-HB
113 PNKF1134Z2 CABINET COVER (for KX-
TGA371BX4)
ABS-HB
114 PNKE1093Z1 COVER, RUBBER GRIP (for
KX-TGA371BX3)
114 PNKE1093Z2 COVER, RUBBER GRIP (for
KX-TGA371BX4)
115 PNHS1079Z SPACER, BATTERY
116 PNKK1053Z1 LID, BATTERY (for KX-
TGA371BX3)
ABS-HB
116 PNKK1053Z2 LID, BATTERY (for KX-
TGA371BX4)
ABS-HB
Safety Ref.
No.
Part No. Part Name & Description Remarks
PCB100 PNWPGA371BXR MAIN P.C.BOARD ASS'Y
(RTL)
(ICs)
I C 1 C 1 C B 0 0 0 0 3 5 4 4 I C
IC3 PNWIGA381BXR IC(EEPROM)(*1)
I C 4 C 3 F B L Y 0 0 0 1 2 5 I C ( * 1 )
(TRANSISTORS)
Q2 B1ADGE000012 TRANSISTOR(SI)
Safety Ref.
No.
Part No. Part Name & Description Remarks

9
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
Q4 B1ABGE000011 TRANSISTOR(SI)
Q5 B1ADCF000040 TRANSISTOR(SI)
Q6 B1ADCF000040 TRANSISTOR(SI)
Q7 B1ABDF000017 TRANSISTOR(SI)
Q9 B1ABDF000017 TRANSISTOR(SI)
Q10 B1ADNB000003 TRANSISTOR(SI)
Q11 2SC6054JSL TRANSISTOR(SI) S
Q12 B1ADCF000040 TRANSISTOR(SI)
(DIODES)
D1 B0JCMC000006 DIODE(SI)
D3 B0JCDD000001 DIODE(SI)
D13 B0BC4R3A0006 DIODE(SI) S
D14 B0BC4R3A0006 DIODE(SI) S
D21 B0BC4R3A0006 DIODE(SI) S
D22 B0BC4R3A0006 DIODE(SI) S
D801 B0DCCD000013 DIODE(SI)
D802 B0DCCD000013 DIODE(SI)
(LEDS)
LED1 B3ACB0000216 LED
LED2 B3ACB0000216 LED
LED3 B3ACB0000216 LED
LED4 B3ACB0000190 LED
LED5 B3ACB0000190 LED
LED6 B3ACB0000190 LED
LED7 B3ACB0000190 LED
LED8 B3ACB0000190 LED
LED9 B3ACB0000190 LED
LED12 B3ACB0000216 LED
(COILS)
L 8 0 2 G 1 C 4 N 7 Z 0 0 0 0 6 C O I L
L 8 0 3 G 1 C 4 N 7 Z 0 0 0 0 6 C O I L
L 8 2 6 G 1 C 4 N 7 Z 0 0 0 0 6 C O I L
L 8 6 3 G 1 C 1 N 5 Z 0 0 0 0 7 C O I L
L 8 6 4 G 1 C 1 N 5 Z 0 0 0 0 7 C O I L
(RESISTOR ARRAYS)
RA1 D1H810240004 RESISTOR ARRAY S
RA4 D1H433220001 RESISTOR ARRAY
RA30 D1H84714A013 RESISTOR ARRAY S
RA31 D1H447120002 RESISTOR ARRAY
RA32 EXB28V151JX RESISTOR ARRAY
RA40 EXB28V103 RESISTOR ARRAY
RA61 D1H422120001 RESISTOR ARRAY
(IC FILTERS)
L9 J0JCC0000287 IC FILTER
L46 J0JDC0000045 IC FILTER
L47 J0JDC0000045 IC FILTER
L48 J0JDC0000045 IC FILTER
(RESISTORS)
R 3 E R J 2 G EJ 1 0 2 1 k S
R4 ERJ8GEYJ3R3 3.3 S
R 5 E R J 2 G E J 1 2 2 1 . 2 k S
R 6 E R J 2 G E J 2 2 4 2 2 0 k S
R 7 E R J 2 G EJ 1 0 3 1 0 k S
R 8 E R J 2 G EJ 3 0 3 3 0 k S
R 9 E R J 2 G EJ 3 0 3 3 0 k S
R 1 0 E R J 2 G E J 1 5 2 1 . 5 k S
R11 ERJ3GEYJ1R0 1 S
R13 ERJ2GEJ681 680 S
R 1 4 E R J 2 G E J 1 0 2 1 k S
R 1 8 E R J 2 R K F 1 0 0 3 1 0 0 k
R 1 9 E R J 2 R K F 3 3 0 2 3 3 k
R20 ERJ2GEJ100 10 S
R 2 3 E R J 2 G E J 1 0 2 1 k S
R27 ERJ2GEJ821 820 S
R28 ERJ2GEJ821 820 S
R 3 0 E R J 2 G E J 1 5 2 1 . 5 k S
R 3 1 E R J 2 G E J 1 0 3 1 0 k S
R45 ERJ6RSJR10V 0.1
R 5 0 E R J 2 G E J 1 0 3 1 0 k S
R51 ERJ3GEYJ331 330 S
R52 ERJ2GEJ331 330 S
R 5 3 E R J 3 G E Y J 3 3 2 3 . 3 k S
R 5 4 E R J 2 G E J 1 0 3 1 0 k S
Safety Ref.
No.
Part No. Part Name & Description Remarks
R 5 5 E R J 2 G E J 1 0 2 1 k S
R63 ERJ2GEJ101 100 S
R 6 4 E R J 2 G E J 1 0 3 1 0 k S
R 6 6 E R J 2 G E J 1 0 2 1 k S
R76 ERJ2GEJ1R0 1 S
R77 ERJ2GEJ1R0 1 S
R 1 0 0 E R J 2 G E J 1 0 4 1 0 0 k S
R 2 0 3 D 0 G A 5 6 3 Z A 0 0 6 5 6 k
R215 ERJ2GE0R00 0 S
R806 ERJ2GEJ221 220 S
R807 ERJ2GEJ221 220 S
L850 ERJ3GEY0R00 0 S
(CAPACITORS)
C1 EEE0JA221WP 220
C2 EEE0JA221WP 220
C3 EEE0JA221WP 220
C4 F1G1H3R0A798 3p
C5 ECUE1A104KBQ 0.1
C10 ECUV1A225KBV 2.2
C11 ECUE1A104KBQ 0.1
C12 PQCUV0J106KB 10
C13 ECUE1A104KBQ 0.1
C19 ECUE1H102KBQ 0.001
C32 ECUE1A104KBQ 0.1
C34 ECUE1A104KBQ 0.1
C35 ECUE1A104KBQ 0.1
C40 ECUE1A104KBQ 0.1
C 4 3 E C U E 1 H 1 0 0 D C Q 1 0 p
C44 ECUE1A104KBQ 0.1
C45 ECUE1A104KBQ 0.1
C 4 6 E C U E 1 H 1 0 0 D C Q 1 0 p
C47 ECUV1A105KBV 1
C49 ECUV1A105KBV 1
C50 ECUV1A105KBV 1
C51 ECUV1A105KBV 1
C52 PQCUV0J106KB 10
C53 PQCUV1A225KB 2.2
C 5 4 E C U E 1 H 1 0 0 D C Q 1 0 p
C 5 5 E C U E 1 H 1 0 0 D C Q 1 0 p
C 7 0 E C U E 1 H 3 3 0 J C Q 3 3 p
C 7 1 E C U E 1 H 3 3 0 J C Q 3 3 p
C 7 2 E C U E 1 H 8 2 0 J C Q 8 2 p
C 7 3 E C U E 1 H 8 2 0 J C Q 8 2 p
C76 ECUE1H222KBQ 0.0022
C77 ECUE1H222KBQ 0.0022
C 7 8 E C U E 1 H 1 0 0 D C Q 1 0 p
C 7 9 E C U E 1 H 1 0 0 D C Q 1 0 p
C 9 6 E C U E 1 H 1 0 0 D C Q 1 0 p
C 9 7 E C U E 1 H 1 0 0 D C Q 1 0 p
C 1 0 3 E C U E 1 H 1 0 1 J C Q 1 0 0 p
C 1 0 4 E C U E 1 H 1 0 0 D C Q 1 0 p
C 1 0 5 E C U E 1 H 1 0 1 J C Q 1 0 0 p
C 1 1 3 E C U E 1 H 1 0 0 D C Q 1 0 p
C152 ECUE1H102KBQ 0.001
C172 ECUE1A104KBQ 0.1
C174 ECUV1C105KBV 1
C175 ECUV1C105KBV 1
C188 ECUE0J105KBQ 1
C189 ECUE0J105KBQ 1
C 3 4 0 E C U E 1 H 1 0 0 D C Q 1 0 p
C343 ECUE1A104KBQ 0.1
C344 ECUE1A104KBQ 0.1
C 3 4 5 E C U E 1 H 1 0 0 D C Q 1 0 p
C 5 8 0 E C U E 1 H 1 0 0 D C Q 1 0 p S
C701 ECUV1A105KBV 1
C 7 0 2 E C U E 1 H 1 0 0 D C Q 1 0 p
C704 ECUE1A104KBQ 0.1
C805 F1G1H1R8A798 1.8p
C806 F1G1H1R8A798 1.8p
C809 F1G1H100A722 10p
C810 F1G1HR60A798 0.6p
C811 F1G1H100A722 10p
C812 F1G1H1R6A798 1.6p
Safety Ref.
No.
Part No. Part Name & Description Remarks

10
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
1.5.3. Charger Unit
1.5.3.1. Cabinet and Electrical Parts
1.5.3.2. Main P.C. Board Parts
1.5.4. Accessories
Note:
You can download and refer to the Operating Instructions
(Instruction book) on TSN Server.
1.5.5. Screws
1.5.6. Fixtures and Tool
Y. M
KXTG3721BX3
KXTG3721BX4
KXTG3722BX3
KXTG3722BX4
KXTGA371BX3
KXTGA371BX4
C813 F1G1HR60A798 0.6p
C814 F1G1H100A722 10p
C820 F1G1H3R9A798 3.9p
C822 F1G1H100A722 10p
C825 F1G1H100A722 10p
C826 F1G1H100A722 10p
C827 F1G1H1R8A798 1.8p
C838 F1G1H100A722 10p
C850 F1G1H3R0A798 3p
C851 F1G1H2R0A798 2p
C865 ECUE1H100DCQ 10p
C866 ECUV1A105KBV 1
(OTHERS)
MIC100 L0CBAY000053 MICROPHONE
E101 L5DYBYY00001 LIQUID CRYSTAL DISPLAY
E102 PNHR1114Z TRANSPARENT PLATE, LCD PMMA-HB
E103 PNHR1392Z GUIDE, LCD ABS-HB
E104 PNHX1136Z COVER, LCD
E105 PQHG10729Z RUBBER PARTS, RECEIVER
E106 PNMC1032Z CASE, MAGNETIC SHIELD
(*2)
E107 PNVE1011Z BATTERY TERMINAL ABS-HB
E108 PNJT1059Z CHARGE TERMINAL (L)
E109 PNJT1060Z CHARGE TERMINAL (R)
F1 K5H252Y00002 FUSE
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-
T G 3 7 2 2 B X 4 )
PS-HB
200-2 PNJT1066Z CHARGE TERMINAL
200-3 PNKF1150Z1 CABINET COVER (for KX-
TG3722BX3)
PS-HB
200-3 PNKF1150Z2 CABINET COVER (for KX-
T G 3 7 2 2 B X 4 )
PS-HB
200-4 PQHA10023Z RUBBER PARTS, FOOT
CUSHION
Safety Ref.
No.
Part No. Part Name & Description Remarks
PCB200 PNWPTGA660CH MAIN P.C.BOARD ASS'Y
(RTL)
(JACK)
J1 K2ECYB000001 JACK S
(RESISTOR)
R1 ERX2SJ6R8 6.8
(FUSE)
F1 K5H302Y00003 FUSE
Safety Ref.
No.
Part No. Part Name & Description Remarks
A1 PNLV226EZ AC ADAPTOR
Safety Ref.
No.
Part No. Part Name & Description Remarks
A2 PQJA10075Z CORD, TELEPHONE
Safety Ref.
No.
Part No. Part Name & Description Remarks
A XTB26+8GFJ TAPPING SCREW
B XTB2+8GFJ TAPPING SCREW
Safety Ref.
No.
Part No. Part Name & Description Remarks
PQZZ1CD300E JIG CABLE
PNZZTG3721BX BATCH FILE CD-ROM
PQZZ430PIR TIP OF SOLDERING IRON
PQZZ430PRB RUBBER OF SOLDERING IRON
Safety Ref.
No.
Part No. Part Name & Description Remarks