Read Panasonic KX-TG6711RUB / KX-TG6711RUM / KX-TG6712RUM / KX-TG6721RUB / KX-TG6721RUS / KX-TG6722RUB / KX-TG6711CAB / KX-TG6711CAM / KX-TG6712CAB / KX-TG6721CAB / KX-TG6721CAM / KX-TG6722CAB / KX-TG6711UAB / KX-TG6711UAM / KX-TG6712UAB / KX-TG6721UAB / KX-TGA671RUB / Service Manual Supplement online
ORDER NO. KM41303097SE
Telephone Equipment
Model No. KX-TG6711RUB
KX-TG6711RUM
KX-TG6712RUM
KX-TG6721RUB
KX-TG6721RUS
KX-TG6722RUB
KX-TG6711CAB
KX-TG6711CAM
KX-TG6712CAB
KX-TG6721CAB
KX-TG6721CAM
KX-TG6722CAB
KX-TG6711UAB
KX-TG6711UAM
KX-TG6712UAB
KX-TG6721UAB
KX-TGA671RUB
KX-TGA671RUS
KX-TG6712RUM
KX-TG6721RUB
KX-TG6721RUS
KX-TG6722RUB
KX-TG6711CAB
KX-TG6711CAM
KX-TG6712CAB
KX-TG6721CAB
KX-TG6721CAM
KX-TG6722CAB
KX-TG6711UAB
KX-TG6711UAM
KX-TG6712UAB
KX-TG6721UAB
KX-TGA671RUB
KX-TGA671RUS
Digital Cordless Phone
Digital Cordless Answering System
Digital Cordless Answering System
B: Black Version
M: Metic Grey Version
S: Pearl Silver Version
(for CIS)
M: Metic Grey Version
S: Pearl Silver Version
(for CIS)
Supplement-1
Please file and use this supplement manual together with the service manual for Model No.KX-
TG6711RUB/KX-TG6711RUM/KX-TG6712RUM/KX-TG6721RUB/KX-TG6721RUS/KX-TG6722RUB/KX-
TG6711CAB/KX-TG6711CAM/KX-TG6712CAB/KX-TG6721CAB/KX-TG6721CAM/KX-TG6722CAB/KX-
TG6711UAB/KX-TG6711UAM/KX-TG6712UAB/KX-TG6721UAB/KX-TGA671RUB/KX-TGA671RUS, Order
No.KM41203556CE.
TG6711RUB/KX-TG6711RUM/KX-TG6712RUM/KX-TG6721RUB/KX-TG6721RUS/KX-TG6722RUB/KX-
TG6711CAB/KX-TG6711CAM/KX-TG6712CAB/KX-TG6721CAB/KX-TG6721CAM/KX-TG6722CAB/KX-
TG6711UAB/KX-TG6711UAM/KX-TG6712UAB/KX-TG6721UAB/KX-TGA671RUB/KX-TGA671RUS, Order
No.KM41203556CE.
2
KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG6721UA/KX-TGA671RU
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST ---------------------------------3
1.1. REFERENCE CHART ------------------------------------3
1.2. ORIGINAL AND NEW PARTS
1.2. ORIGINAL AND NEW PARTS
COMPARISON LISTS ------------------------------------3
2 CHANGES (Suffix Code: B or later) -------------------------4
2.1. Block Diagram (Handset) --------------------------------4
2.2. Power Supply Circuit/Reset Circuit --------------------5
2.3. Signal Route-------------------------------------------------6
2.4. Troubleshooting Guide------------------------------------8
2.2. Power Supply Circuit/Reset Circuit --------------------5
2.3. Signal Route-------------------------------------------------6
2.4. Troubleshooting Guide------------------------------------8
2.4.1. Check Power -------------------------------------------8
2.4.2. Check Battery Charge--------------------------------8
2.4.3. Bell Reception------------------------------------------9
2.4.2. Check Battery Charge--------------------------------8
2.4.3. Bell Reception------------------------------------------9
2.5. Check Point (Handset)---------------------------------- 10
2.6. Component View ----------------------------------------- 12
2.7. Terminal Guide of the ICs, Transistors,
2.6. Component View ----------------------------------------- 12
2.7. Terminal Guide of the ICs, Transistors,
Diodes and Electrolytic Capacitors ------------------ 13
2.7.1. Handset ------------------------------------------------ 13
2.8. Schematic Diagram (Handset_Main) --------------- 14
2.9. Circuit Board (Handset_Main) ------------------------ 17
2.9. Circuit Board (Handset_Main) ------------------------ 17
2.9.1. Component View ------------------------------------ 17
2.9.2. Bottom View ------------------------------------------ 18
2.9.2. Bottom View ------------------------------------------ 18
2.10. Replacement Parts List --------------------------------- 19
2.10.1. Handset ------------------------------------------------ 19
3
KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG6721UA/KX-TGA671RU
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Change of the Suffix Code (Base Unit)
Serial No.Label tells you the suffix code as follows.
Change of the Suffix Code (Handset)
Serial No.Label tells you the suffix code as follows.
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
*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
**The following items (V-Z) indicate the Interchangeability. See the "Notes" column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
**The following items (V-Z) indicate the Interchangeability. See the "Notes" column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
V
W
X
Y
Z
Original
New
Early (before change)
Late (after 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.
Use original parts until exhausted, then stock new parts.
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.
early or late production sets. Use original parts where possible, then stock new parts.
New parts only may be used in early or late production sets.
Stock new parts.
Stock new parts.
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.
late production sets only. Stock both original and new parts.
Original
New
Early (before change)
Late (after change)
Late (after change)
Original
New
Other
Other
Early (before change)
Late (after change)
Late (after change)
Original
New
Early (before change)
Late (after change)
Late (after change)
Note:
Alphabets in the "Remarks" column in the following lists correspond to the alphabets in the "Remarks" in REFERENCE CHART.
Suffix Code
Reasons of change
A to B
Change PCB assy on handset.
Suffix Code
Reasons of change
A to B
Change PCB.
Suffix A
ψ B
B
Serial No. Label
(Example)
4
KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG6721UA/KX-TGA671RU
2 CHANGES
(Suffix Code: B or later)
2.1.
Block Diagram (Handset)
[Changed from original section “4.5. Block Diagram (Handset)”]
QSPI
FLASH MEMOR
Y
IC4
SPEAKER
RECEIVER
MIC
CHARGE
P
o
w
er F
ailer Mode
P
o
w
er Supply SW
CIRCUIT
Q2, Q3, Q4,Q
2
,
Q
3
,
Q
4
,
Q9, R8Q
9
,
R
8
CHARGE
CONT
A
CTS
CHARGE(+)
CHARGE_CTRL
BA
TTER
Y_ON
CHARGE_DET
EEPR
O
M
SCL
SD
A
BA
TTER
Y
TERMINAL
R45
VBAT
BA
TT
-
1.8 V
Q1
1.8 V
CP 2.8
V
LCD
CD
RESET
CSB
SD
A
SCL
CPU
Analog
F
ront
End
D/A
A/D
35
37
21
22
17
18
34
33
66
67
32,38,42
24
44
45
73
63
64
76
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
ANT1
Burst
Encoding
RF
PLL
MOD/DEMOD
3
1
2
87
86
RXn
RXon
ANT1
D
A801
RXp
TXp
TXn
TXon
7
8
XT
AL
X1
10.368
MHz
BA
TTER
Y
46
ON SWITCH
KEYP
AD
Charge
Pump
RO
W
S
COLUMNS
CP3V
D3
CP2.8V
CP_LED
57, 58, 59, 60
11, 12, 13, 14, 25, 55
47, 48, 51, 53 QSPI-IO 0-3
BBIC
IC1
IC3
65
BELL LED
80
88
LDO_CTRL
CP 3.0
V
CP2.8 V
QSPI
Control
50 QSPI-SCK
49 QSPI-CS
TGA671 only
79
Q10, Q11, Q12, R10Q
1
0
,
Q
1
1
,
Q
1
2
,
R
1
0
