Panasonic KX-TG8227UAB / KX-TG8227UAR / KX-TG8227UAW / KX-TGA820RUB / KX-TGA820RUR / KX-TGA820RUW / KX-TGA820UAB / KX-TGA820UAR / KX-TGA820UAW Service Manual ▷ View online
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KX-TG8227UAB/KX-TG8227UAR/KX-TG8227UAW/KX-TGA820RUB/KX-TGA820RUR/KX-TGA820RUW/KX-TGA820UAB/KX-TGA820UAR/KX-TGA820UAW
11.5. Adjustment Standard (Handset)
When connecting the simulator equipments for checking, please refer to below.
11.5.1. Component View
Note:
(A) - (R) is referred to Check Point (Handset) (P.47)
(A) - (R) is referred to Check Point (Handset) (P.47)
PbF
L1
R2
C15
C121
R200
C120
L24
R62
R7
R6
R46
R25
R176
C84
C166
C98
C178
C172
R47
R32
CN4
R94
R61
R182
R65
R64
R103
R104
R153
R152
R19
R13
R11
C38
C168
C30
C11
Q5
Q9
R5
R201
R192
L22
C177
R12
R181
C86
R175
R105
R183
R106
R107
R33
R177
R21
C96
L4
F1
R23
R24
R15
R196
L7
E
E
1
4
5
8
Q1
D1
Q2
C2
1
1
C170
C171
C161
C169
C154
C155
R194
R155
R197
R164
R63 R66
R168
R40
R193
R154
R162
R158
R161
R171
R157
R160
R159
R163
Q22
R199
R167
R156
R169
R42
R41
C20
Q3
L23
C1
R1
C54 C55
C72
C51
R151
R187
R186
R190
R170
R53
C165
C163
C164
ANT
ANT1
D8
C102
C101
C122
C158
C156
C152
C160
C157
C167
C153
C176
C175
C151
Q21
MIC+ MIC-
TP20
TP23
TP22
TP21
J3
J1
Q4
D7
C12
C179
C180
C18
C8
C21
C26
C22
C39
C23
C173
GND
BAT
C5
C9
C10
C4
JTAG
X11
SP_TEST1
SP_TEST2
S
C50
C119
Q23
R191
R188
R189
C70
C59
1
10
16
17
11
32
27
26
C61
C62
C56
C53
C52
R52
C71
R51
CLK
C57
C3
POWER
VDD4
VDD3
VDD1
VDD2
R22
C14
C113
C35
R45
C34
J4
J2
A
URX
UTX
C19
C174
C6
C7
REV_TEST2
C25
E
E
E
E
E
E
L21
C24
C36
C97
IC1
IC3
IC12
IC11
KX-TGA820
X1
IC4
PQ
UP11529Z
1
1
4
2
3
5
6.3 V47 F
AF
GENERATOR
TP22
TP23
MIC-
MIC+
TP21
TP20
DC
6.5 V
Current
Probe
Oscilloscope
DC PO
WER
2.30-2.60 V
2.7 V
Zener
Frequency
Counter
GND
GND
GND
CLK
VDD1
VDD2
+1.8V
+2.5V
+3.3V
UTX
URX
PC
Digital
Volt Meter
22pF
100
OSC
AF VOLT
METER
LOOP
Simulator
Dummy Base
Unit
AF
OSC
600
GND
ANT
The solder jumper is open.
DECT Tester
CMD60/CTS60
SP+
REV-
REV+
SP-
Oscilloscope
AF VOLT
METER
150
8
1
B
A
56
56
1F
DC POWER
2.00-2.25 V
at BATT LOW
POWER KEY
VDD3
VDD4
(F
) (
G
) (
H
) (
I)
(A
) (
D
) (
E
) (
H
) (
I) (
J
) (
K
)
(A
) (
B
) (
C
)
(J
)
(Q
) (
R
)
(K
) (
L
) (
M
)
(N
) (
O
) (
P
)
(Q
) (
R
)
(Q
)
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KX-TG8227UAB/KX-TG8227UAR/KX-TG8227UAW/KX-TGA820RUB/KX-TGA820RUR/KX-TGA820RUW/KX-TGA820UAB/KX-TGA820UAR/KX-TGA820UAW
11.6. Things to Do after Replacing IC or X'tal
Cautions:
Some of the content on this page may not apply to models from some countries. The contents below are the minimum adjust-
ments required for operation.
ments required for operation.
11.6.1. Base Unit
Before making the following adjustment, ensure you have carried out PC Setting (P.59) in The Setting Method of JIG (Base
Unit).
Unit).
Note:
(*1) XX: country code, YY: revision number, ZZ: Voice Prompt
“XX”, “YY” and “ZZ” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.59).
(*2) Refer to Check Point (Base Unit) (P.44)
“XX”, “YY” and “ZZ” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.59).
(*2) Refer to Check Point (Base Unit) (P.44)
Items
Necessary Adjustment
BBIC (FLASH type)
(IC7)
(IC7)
Programs for Voice processing, interface for RF
and EEPROM
and EEPROM
1. Make sure to connect the JIG cable, then detach the DC
Power.
2. Execute the command “flw438 ************.hex”.
3. Connect the DC Power.
4. Press the PC Enter key once.
5. After a few minutes, “Successful upgrade” is displayed
3. Connect the DC Power.
4. Press the PC Enter key once.
5. After a few minutes, “Successful upgrade” is displayed
on the PC indicating downloading has finished.
6. Detach the JIG cable, then disconnect the DC Power.
7. Connect the DC Power.
8. Connect the JIG cable again, and execute the command
7. Connect the DC Power.
8. Connect the JIG cable again, and execute the command
“getchk”, then confirm the checksum value is correct.
• If the downloading fails, start again from step 1.
9. Default batch file: Execute the command “default.bat”.
10. Country version batch file: Execute the command
“TG8220XXrevYY.bat”. (*1)
11. Clock adjustment: Refer to Check Point (F). (*2)
BBIC (QFP/COB type)
(IC7)
(IC7)
Programs for Voice processing, interface for RF
and EEPROM
and EEPROM
1. Default batch file: Execute the command “default.bat”.
2. Country version batch file: Execute the command
2. Country version batch file: Execute the command
“TG8220XXrevYY.bat”. (*1)
3. Clock adjustment: Refer to Check Point (F). (*2)
EEPROM
(IC5)
(IC5)
Adjustment parameter data
(country version batch file, default batch file,
etc.)
(country version batch file, default batch file,
etc.)
1. Change the address “0000” of EEPROM to “55”.
2. Default batch file: Execute the command “default.bat”.
3. Country version batch file: Execute the command
2. Default batch file: Execute the command “default.bat”.
3. Country version batch file: Execute the command
“TG8220XXrevYY.bat”. (*1)
4. Clock adjustment: Refer to Check Point (F). (*2)
FLASH
(IC11)
(IC11)
Voice prompt data
(vary depending on country version)
(vary depending on country version)
1. Wait more than 15 seconds after connecting the JIG
Cables.
2. Execute the command “VPDL08 -16M ZZ.bin” (*1)
(writing time: aprox. About 2 min (115200bps).)
X'tal (X1)
System clock
1. Refer to Check Point (F). (*2)
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KX-TG8227UAB/KX-TG8227UAR/KX-TG8227UAW/KX-TGA820RUB/KX-TGA820RUR/KX-TGA820RUW/KX-TGA820UAB/KX-TGA820UAR/KX-TGA820UAW
11.6.2. Handset
Before making the following adjustment, ensure you have carried out PC Setting (P.63) in The Setting Method of JIG (Hand-
set).
set).
Note:
(*3) XX: country code, YY: revision number
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.59).
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.59).
(*4) Refer to Check Point (Handset) (P.47)
Items
Necessary Adjustment
BBIC (FLASH type)
(IC1)
(IC1)
Programs for Voice processing, interface for RF
and EEPROM
and EEPROM
1. Make sure to connect the JIG cable, then detach the DC
Power.
2. Execute the command “flw430 ************.hex”.
3. Connect the DC Power.
4. Press and hold the handset Power key.
5. While holding down the handset Power key, press the PC
3. Connect the DC Power.
4. Press and hold the handset Power key.
5. While holding down the handset Power key, press the PC
Enter key once.
6. After a few minutes, “Successful upgrade” is displayed
on the PC indicating downloading has finished.
7. Detach the JIG cable, then press the handset Power key
to turn it on.
8. Connect the JIG cable again, and execute the command
“getchk”, then confirm the checksum value is correct.
• If the downloading fails, start again from step 1.
9. Default batch file: Execute the command “default.bat”.
10. Default batch file (remaining): Execute the Command
“TGA820DEFrevYY.bat”. (*3)
11. Country version batch file: Execute the command
“TGA820XXrevYY”. (*3)
12. Clock adjustment: Refer to Check Point (J). (*4)
13. 1.8 V setting and battery low detection: Refer to Check
13. 1.8 V setting and battery low detection: Refer to Check
Point (A), (H) and (I). (*4)
BBIC (COB type)
(IC1)
(IC1)
Programs for Voice processing, interface for RF
and EEPROM
and EEPROM
1. Default batch file: Execute the command “default.bat”.
2. Default batch file (remaining): Execute the Command
2. Default batch file (remaining): Execute the Command
“TGA820DEFrevYY.bat”. (*3)
3. Country version batch file: Execute the command
“TGA820XXrevYY”. (*3)
4. Clock adjustment: Refer to Check Point (J). (*4)
5. 1.8 V setting and battery low detection: Refer to Check
5. 1.8 V setting and battery low detection: Refer to Check
Point (A), (H) and (I). (*4)
EEPROM (IC3)
Adjustment parameter data
(country version batch file, default batch file,
etc.)
(country version batch file, default batch file,
etc.)
1. Default batch file: Execute the command “default.bat”.
2. Default batch file (remaining): Execute the Command
2. Default batch file (remaining): Execute the Command
“TGA820DEFrevYY.bat”. (*3)
3. Country version batch file: Execute the command
“TGA820XXrevYY”. (*3)
4. Clock adjustment: Refer to Check Point (J). (*4)
5. 1.8 V setting and battery low detection: Refer to Check
5. 1.8 V setting and battery low detection: Refer to Check
Point (A), (H) and (I). (*4)
X'tal (X1)
System clock
1. Refer to Check Point (J). (*4)
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KX-TG8227UAB/KX-TG8227UAR/KX-TG8227UAW/KX-TGA820RUB/KX-TGA820RUR/KX-TGA820RUW/KX-TGA820UAB/KX-TGA820UAR/KX-TGA820UAW
11.7. RF Specification
11.7.1. Base Unit
*: Refer to Check Point (Base Unit) (P.44)
11.7.2. Handset
**: Refer to Check Point (Handset) (P.47)
Item
Value
Refer to -. *
TX Power
20.7 dBm ~ 25.7 dBm
Check Point (Base Unit) (I)
Modulation
-220 ~ -403/+220 ~ +403 kHz/div & Mod-
ulated width 670 kHz
ulated width 670 kHz
Check Point (Base Unit) (J)
Frequency Offset
-50 kHz ~ +50 kHz
Check Point (Base Unit) (K)
Frequency Drift
< ± 30 kHz / ms
Check Point (Base Unit) (L)
RX Sensitivity
< 1000 ppm
Check Point (Base Unit) (M)
Timing Accuracy
< ± 5.0 ppm
Check Point (Base Unit) (N)
Power RAMP
Power RAMP is matching
Check Point (Base Unit) (O)
Item
Value
Refer to -. **
TX Power
20 dBm ~ 25 dBm
Check Point (Handset) (K)
Modulation
-220 ~ -403/+220 ~ +403 kHz/div & Mod-
ulated width 670 kHz
ulated width 670 kHz
Check Point (Handset) (L)
Frequency Offset
-50 kHz ~ +50 kHz
Check Point (Handset) (M)
Frequency Drift
< ± 30 kHz / ms
Check Point (Handset) (N)
RX Sensitivity
< 1000 ppm
Check Point (Handset) (O)
Power RAMP
Power RAMP is matching
Check Point (Handset) (P)
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