Panasonic KX-TCD500RUN / KX-TCA150RUN Service Manual ▷ View online
Items
Adjustment
Point
Procedure*
Check or
Replace Parts
(N)
Timing Confirmation
-
Follow steps 1 to 6 of (I) above.
7.Confirm that the Timing accuracy is < ± 2.0ppm.
IC2,IC4,L1,C63,
C84,C71,C73,
C104,C62,C59,
C64,C100,C58,
C57,C105,C54,
C64,C100,C58,
C57,C105,C54,
C55,C82,C72,
R59,R60,R61,
R59,R60,R61,
R112,R113,
R91,R92,
L3,DA1
(O)*
RSSI Level
Confirmation
-
Follow steps 1 to 6 of (I) above.
7.Execute the command "readrssi".
8. Confirm:11<returned value< 25(hex)
IC2,IC4,L1,C63,
C84,C71,C73,
C104,C62,C59,
C64,C100,C58,
C57,C105,C54,
C64,C100,C58,
C57,C105,C54,
C55,C82,C72,
R59,R60,R61,
R59,R60,R61,
R112,R113,
R91,R92,
L3,DA1
(P)
Power RAMP
Confirmation
-
Follow steps 1 to 6 of (I) above.
7.Confirm that “Power RAMP is Matching“.
IC2,IC4,L1,C63,
C84,C71,C73,
C104,C62,C59,
C64,C100,C58,
C57,C105,C54,
C64,C100,C58,
C57,C105,C54,
C55,C82,C72,
R59,R60,R61,
R59,R60,R61,
R112,R113,
R91,R92,
L3,DA1
(Q)*
Audio Check
-
1.
Link with Dummy Handset.
2.
Input -45dBm/1kHz to MIC of dummy Handset.
Measure the Level at Line I/F and distortion level.
3.
Confirm that the level is ref sample ± 5dB and confirm that the distortion level
is < 5%.
is < 5%.
4.
Input -20dBm/1kHz to Line I/F.
Measure the level at Receiver of Dummy Handset and distortion level
(*Receive volume set to middle).
5.
Confirm that the level is ref sample ± 5dB and confirm that the distortion level
is < 5%.
is < 5%.
IC2,CN1,SA1,
L6,L7,R82,D3,
Q4,Q5,R23,
R25,R26,R28,
R114
(R)
Charging Check
-
1.
Connect Charge Contact 12
Ω
/2W registor between charge+ and charge-.
2.
Measure and confirm voltage across the regigstor is 2.85V ± 0.2V.
D6,R4,R5,C107,
D1,CN2,C1,
C119,C2
Note:
After the measuring, suck up the solder of TP.
* : PC Setting (P.29) is required beforehand.
The connection of adjustment equipment are as shown in Adjustment Standard (Base Unit) (P.34).
33
KX-TCD500RUN / KX-TCA150RUN
14.2. Adjustment Standard (Base Unit)
When connecting the simulator equipment for checking, please refer to below.
14.2.1. Component View
PbF
X1
IC7
IC8
IC4
IC6
IC3
IC1
IC2
CN2
CN4
CN1
ANT1
ANT2
D1
SA1
L7
R106
R16
R11
C65
C120
C121
C60
D5
C122
C103
R56
R57
R84
R64
R55
R10
R17
R107
R82
RL
Y1
C2
C11
C13
C79
C9
C18
R68
R78
R34
C80
D14
D15
D12
D13
C81
L2
C7
R76
C78
C77
C19
R77
D3
R81
J5
J8
J6
J7
J4
J2
J1
R69
R70
R67
C75
C76
C45
C48
C110
C67
C20
C17
C22
C27
C41
C24
C36
R43
C36
R43
R44
TP26
TP31
C115
D10
D4
C35
C34
C37 R40
C39
C33
C30
R32
C28
C130
C129
C38
C32
C8
C6
C5
R100
R86
R87
R88
R62
C131
R29
R22
R48
R35
R31
C31
R85
R28
R26
R39
R14
R12
R13
R38
R101
R72
R71
R79
R80
R23
R25
R114
C101
C102
C53
C123
C51
J3
C12
L6
C25
R37
R36
R45
C40
C108
C109
C49
Q8
Q3
Q13
R46
Q5
Q2
R33
R24
R42
R47
R53
R51
R15
R50
R27
R49
C21
C43
C44
C42
C128
D11
D9
Q10
D7
C74
C10
C66
C47
C46
C50
C52
R52
R109
R108
R54
R111
DA
1
Q1
SW1
C3
C125
C4
C73
C104
C1
C54
R4
R5
R6
C82
C105
C127
C107
D6
C114
C100
Q4
Q7
Q6
Q12
D2
Q9
B C E
E C B
R9
R8
R8
R60
R91
C5
9
C6
4
R92
TP16
TP48
TP47
TP44
TP45
TP46
TP42
R105
C126
C112
C68
D8
C111
C113
R65
C63
R61
L1
TP40
TP41
TP43
TP18
1
1
1
10
1
1
22
44
23
1
8
4
5
38
65
102
103
128
64
39
24
48
25
11
C57
C119
TP49
C58
C71
C84
C83
C72
R112
R113
R113
C55
R59
R59
C85
L3
C62
C86
28
18
DECT tester
CMD60
(I) (J) (K) (L)
(M) (N) (O) (P)
(M) (N) (O) (P)
V.V
OSC
Tel Simulator
AF Volt Meter
AF Generator
GND
ANTENNA
Note:
(I) - (P) is refered to ADJUSTMENTS (BASE UNIT) (P.31)
KX
-T
CD5
00RUN
/
K
X
-T
CA1
50RUN
34
14.2.2. Flow Solder Side View
Digital
Volt Meter
Volt Meter
TP5
TP15
(C)
Digital
Volt Meter
Volt Meter
TP14
TP5
(A)
TP9 TP5
DC_6V
+
-
(Q)
Digital
Volt Meter
Volt Meter
TP5
TP22
(B)
DTMF
tester
tester
Tel
Simulator
TP21
TP19
(H)
(G)
TP17
TP11
TP15
JTAG
TP14
TP12
TP5
TP4
1
1
10
3
5
2
4
6
TP7
TP9
TP29
TP24
TP22
TP19
TP21
TP20
GND
UTX
URX
DC_IN
PbF
CHARGE
C
H
A
R
G
E
Frequency
Counter
Counter
TP17
(F)
TP5
Digital
Volt Meter
Volt Meter
(Q)
TP11
TP5
12ohm
PC
UTX
URX
GND
(C) (D) (E) (F)
(G) (H) (I) (J)
(G) (H) (I) (J)
Digital
Volt Meter
Volt Meter
(G)
Note:
(A) - (Q) is refered to ADJUSTMENTS (BASE UNIT) (P.31)
KX
-T
CD5
00RUN
/
K
X
-T
CA1
50RUN
35
15 ADJUSTMENTS (HANDSET)
If your unit have below symptoms, adjust or confirm each item using remedy column from the table.
Symptom
Remedy*
The movement of Battery Low indicator is wrong.
Make adjustments in item (A)~(D), (G), (H)
The handset does not respond to a call from base unit.
Make adjustments in item (A)~(D), (I)~(P)
The handset does not transmit or the transmit frequency is off.
Make adjustments in item (A)~(D), (I)~(L), (M), (O)
The transmit frequency is off.
Make adjustments in item (A)~(D), (I)~(L), (M), (O)
The transmit power output is low, and the operating distance between base unit and
handset is less than normal.
handset is less than normal.
Make confirmation in item (J), (N)
The reception sensitivity of base unit is low with noise.
Make confirmation in item (N)
Does not link between base unit and handset.
Make adjustments in item (A)~(D), (I)~(P)
The Audio level is high or low.
Make confirmation in item (R)
The SP-Phone level is high or low.
Make confirmation in item (S)
The Headset level is high or low.
Make confirmation in item (T)
* : Refer to Adjustment (Handset) (P.36)
15.1. Adjustment (Handset)
Please follow the items below when BBIC or EEPROM is replaced.
Items
Adjustment
Point
Procedure*
Check or
Replace Parts
(A)*
1.8V Supply
Confirmation
TP12
1.
Confirm that the voltage between test point “TP12” and GND is 1.8V ± 0.02V.
2.
Adjust the 1.8V voltage of TP12 executing command “bandgap XX“ (XX is the
value).
value).
IC1,Q2,C40,
R4
(B)
4.0V Supply
Confirmation
TP10
1.
Confirm that the voltage between “TP10” and GND is 3.85V ± 0.2V.
IC1,F1,C1,C2,
C3,C57,C74,
R1,R2,R3,Q1,
D1,L1,R57
(C)
2.7V Supply
Confirmation
TP11
1.
Confirm that the voltage between “TP11” and GND is 2.7V ± 0.1V.
IC1,Q3,C4,C5,
R9,R10,R11
(D)*
BBIC Confirmation
-
1.
BBIC Confirmation (Execute the command "getchk").
2.
Confirm the returned checksum value.
Connection of checksum value and program number is shown below.
IC1,X1,C7
(E) Charge Control Check &
Charge Current Monitor
Confirmation
-
1.
Apply 6V between J3(+) and J4(-) with current limit of PSU to 200mA.
2.
Confirm that the charge current is ON/OFF.
3.
SW to decrease current limit of PSU to 100mA.
4.
Confirm that the charge current is stable.
IC1,Q4,Q5,Q9
D6,D7,L4,L5,
C73,C74,R5,
R6,R7,R72,F1
(F)* Charge Detection (OFF)
Confirmation
-
1.
Stop supplying 6V to J3(+) and J4(-).
2.
Execute the command "charge".
3.
Confirm that the returned value is 0x01 (hex).
IC1,Q4,Q5,Q9
D6,D7,L4,L5,
C73,C74,R5,
R6,R7,R72,F1
(G)*
Battery Monitor
Confirmation
-
1.
Apply 2.3V ± 0.005V between BATT(+) and BATT(-).
2.
Execute the command "Backloff", then “readbatt“.
3.
Confirm:
29
returned value
36 (Hex)
4.
Adjust the Battery Monitor executing command “wreeprom 00 01 01 XX“, then
“wreeprom 00 36 01 XX-0E“ (XX is the value).
“wreeprom 00 36 01 XX-0E“ (XX is the value).
IC1,F1,C74,C2
C3,R81,R24,
R73,C9
(H) Battery low Confirmation
-
1.
Apply 2.40V between BATT(+) and BATT(-).
2.
Confirm that there is no flashing of Battery Icon.
3.
Apply 2.20V between BATT(+) and BATT(-).
4.
Confirm that there is flashing of Battery Icon.
IC1,F1,C74,C2
C3,R81,R24,
R73,C9
(I)*
BBIC Clock Adjusment
CLK
1.
Execute the command "conttx".
2.
Input Command “rdeeprom 00 57 01“, then you can confirm the current value.
3.
Adjust the frequency of CLK executing the command "setfreq xx (where xx is
the value)" so that the reading of the frequency counter is 10.368000MHz ±
10Hz.
the value)" so that the reading of the frequency counter is 10.368000MHz ±
10Hz.
IC1,X1,IC3,
C7,L2,C54
36
KX-TCD500RUN / KX-TCA150RUN
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