Panasonic KX-TG8051RUB / KX-TG8051RUW / KX-TG8051RU1 / KX-TG8051UAB / KX-TG8051CAB / KX-TG8052RUB / KX-TG8052RUW / KX-TGA806RUB / KX-TGA806RUW / KX-TGA806RU1 Service Manual / Supplement ▷ View online
ORDER NO. KM41407560SE
Telephone Equipment
Model No.
KX-TG8051RUB
KX-TG8051RUW
KX-TG8051RU1
KX-TG8051UAB
KX-TG8051CAB
KX-TG8052RUB
KX-TG8052RUW
KX-TGA806RUB
KX-TGA806RUW
KX-TGA806RU1
KX-TG8051RUW
KX-TG8051RU1
KX-TG8051UAB
KX-TG8051CAB
KX-TG8052RUB
KX-TG8052RUW
KX-TGA806RUB
KX-TGA806RUW
KX-TGA806RU1
Digital Cordless Phone
B: Piano Black Version
W: White Version
1: Cherry blossom print on White Version
W: White Version
1: Cherry blossom print on White Version
Please use this manual with the original service manual mentioned on the page 3.
2
TABLE OF CONTENTS
PAGE
1 ORIGINAL SERVICE MANUAL INFORMATION ----------3
2 REPLACEMENT PARTS LIST ---------------------------------3
2 REPLACEMENT PARTS LIST ---------------------------------3
2.1. REFERENCE CHART ------------------------------------3
2.2. ORIGINAL AND NEW PARTS COMPARISON
2.2. ORIGINAL AND NEW PARTS COMPARISON
LISTS----------------------------------------------------------3
3 CHANGES (Suffix Code: D or later) -------------------------4
3.1. Technical Descriptions ------------------------------------4
3.1.1. Block Diagram (Base Unit)--------------------------4
3.1.2. Circuit Operation (Base Unit)-----------------------5
3.1.3. Block Diagram (Handset)----------------------------7
3.1.4. Circuit Operation (Handset)-------------------------8
3.1.5. Signal Route --------------------------------------------9
3.1.2. Circuit Operation (Base Unit)-----------------------5
3.1.3. Block Diagram (Handset)----------------------------7
3.1.4. Circuit Operation (Handset)-------------------------8
3.1.5. Signal Route --------------------------------------------9
3.2. Troubleshooting Guide---------------------------------- 11
3.2.1. Check Power ----------------------------------------- 11
3.2.2. Check Battery Charge------------------------------ 12
3.2.3. Bell Reception---------------------------------------- 12
3.2.4. Troubleshooting by Symptom (Base Unit
3.2.2. Check Battery Charge------------------------------ 12
3.2.3. Bell Reception---------------------------------------- 12
3.2.4. Troubleshooting by Symptom (Base Unit
and Charger Unit) ----------------------------------- 13
3.2.5. Troubleshooting by Symptom (Handset) ------ 14
3.3. Measurements and Adjustments --------------------- 17
3.3.1. Adjustment Standard (Base Unit) --------------- 17
3.3.2. Adjustment Standard (Handset) ----------------- 18
3.3.2. Adjustment Standard (Handset) ----------------- 18
3.4. Schematic Diagram-------------------------------------- 20
3.4.1. Schematic Diagram (Base Unit) ----------------- 20
3.4.2. Schematic Diagram (Handset) ------------------- 22
3.4.2. Schematic Diagram (Handset) ------------------- 22
3.5. Printed Circuit Board ------------------------------------ 25
3.5.1. Circuit Board (Base Unit_Main)------------------ 25
3.5.2. Circuit Board (Handset)---------------------------- 27
3.5.2. Circuit Board (Handset)---------------------------- 27
3.6. Miscellaneous --------------------------------------------- 29
3.6.1. Terminal Guide of the ICs, Transistors and
Diodes-------------------------------------------------- 29
3.7. Replacement Parts List --------------------------------- 30
3.7.1. Base Unit ---------------------------------------------- 30
3.7.2. Handset ------------------------------------------------ 31
3.7.2. Handset ------------------------------------------------ 31
3
1 ORIGINAL SERVICE MANUAL INFORMATION
2 REPLACEMENT PARTS LIST
2.1.
REFERENCE CHART
2.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Serial No.Label tells you the suffix code as follows.
Note:
Please refer to "1 ORIGINAL SERVICE MANUAL INFORMATION".
Please refer to "1 ORIGINAL SERVICE MANUAL INFORMATION".
Model No. on S/M
Destinations
Order No. of S/M
Suffix Code
Base Unit Handset
KX-TG8051RUB/KX-TG8051UAB/KX-TG8051CAB/KX-TGA806RUB
CIS
KM41103343CE
C to D
C to D
KX-TG8051RUW/KX-TG8052RUB/KX-TG8052RUW/KX-
TGA806RUB/KX-TGA806RUW
TGA806RUB/KX-TGA806RUW
Russia and Belarus
KM41204889SE
C to D
C to D
KX-TG8051RU1/KX-TGA806RU1
Russia and Belarus
KM41211079SE
C to D
C to D
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
*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
Note:
To change Main board in base unit and handset board.
Change parts based on Suffix Code.
To change Main board in base unit and handset board.
Change parts based on Suffix Code.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
4
3 CHANGES (Suffix Code: D or later)
3.1.
Technical Descriptions
3.1.1.
Block Diagram (Base Unit)
[Changed from original section “4.1. Block Diagram (Base Unit)”]
Analog
Front
End
To TEL_LINE
Bridge
Rect
D3 D
3
Hook Switch
Q3,Q4,Q5Q
3
,Q
4
,Q
5
Audio
Bell/Caller ID
Interface
CPU
19
21
13
15
17
18
12
BELL
HOOK
Off-Hook Line Voltage
11
A/D
D/A
ADPCM
Codec Filter
DSP
Speech Encoding
Speech Decoding
BMC
Burst Encoding
Burst Decoding
RF
PLL
3
1
87
7
8
EEPROM
SCL
SDA
46
66
67
AC Adaptor
ANDSET
Limit
Resistor
Charge
Detector
Power Failer Mode
Power Supply SW
Q351,IC351
CHARGE(+)
CHARGE(-)
Optional
Optional
DC/DC convertorD
C
/D
C
c
o
n
v
e
rt
o
r
IC2,L3,C36,Q602IC
2
,L
3
,C
3
6
,Q
6
0
2
Q8Q
8
1.8V
Reg.
2.85 V
3.0 V
1.8 V
BBIC
IC401
IC7
KX-TG8051 BLOCK DIA
GRAM
(BASE UNIT)
MOD/DEMOD
Charge
Pump
DCDC
Converter
45
XTAL
X1X
1
10.368
MHz
RX
n
RX
p
TX
p
TX
n
TX
on
RX
on
D801
4
72
ANT1
ANT2
ANT1
ANT2
ANT1
ANT2
86
88
L1
L2
DCP
DCM
2
QSPI
FLASH MEMORY
IC431
44
3.0V
QSPI-CS
DC,DCI
DC-CTRL
DC-SENSE
QSPI-SCK
QSPI-IO 0-3
47,48,
51,53
Q22,Q23
R55,R56,
D22
52
49
30
29
29
31
QSPI
Control