Panasonic KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT Service Manual ▷ View online
Items
Adjustment Point
Procedure
Check or
Replace Parts
(R)
Audio Check (Curl
Cord Handset)
-
1.
Input -45dBm/1kHz to MIC of Curl Cord Handset.
Measure the Level at Line I/F and distortion level.
2.
Confirm that the level is -15dBm ± 5dB and confirm that the distortion level
is < 5% at TEL Line (600
is < 5% at TEL Line (600
Ω
Road).
3.
Input -20dBm/1kHz to Line I/F.
Measure the level at Receiver of Carl Cord Handset and distortion level
(*Receive volume set to middle).
4.
Confirm that the level is -24dBm ± 5dB and confirm that the distortion level
is < 5% at Receiver (Volume Middle, 150
is < 5% at Receiver (Volume Middle, 150
Ω
Road).
IC2, CN1, SA1,
L6, L7, D3,
Q4, Q5, R23,
R25, R26, R28
C291, R282,
C287, C289,
C287, C289,
IC15, R283,
R284, R285,
R286, R287,
R288, R289,
R290, R291,
R292, R231,
R279, R266,
C288, C290,
C267, C275,
C232, C233,
C292, C295,
C296, C301,
C302, C304,
C305, C303,
C300, C297,
C298, C299,
C314, C315,
R286, R287,
R288, R289,
R290, R291,
R292, R231,
R279, R266,
C288, C290,
C267, C275,
C232, C233,
C292, C295,
C296, C301,
C302, C304,
C305, C303,
C300, C297,
C298, C299,
C314, C315,
C316
(S)
SP Phone
Audio Check
-
1.
Press SP-Phone button.
2.
Press MUTE button.
3.
Input -20dBm/1kHz/600
Ω
to Line I/F. (SP-Phone volume Maximum)
4.
Measure the output level at Speaker (between TP108 and TP109).
5.
Confirm that the level is -3 ± 5dBm.
6.
Press MUTE button.
7.
Input -45dBm/1kHz/600
Ω
to SP-Phone Mic. (TP60-TP61)
8.
Measure the output level at Line I/F.
9.
Confirm that the level is 0 ± 5dBm.
IC2, C255,
R251, C258,
C293, D215,
C231, R230,
R276, C230,
C293, D215,
C231, R230,
R276, C230,
R281, R265
C266, C274,
R264, MIC1,
C225, R223,
C226, R221,
R220, C223,
C224, C227,
C282, C283,
R264, MIC1,
C225, R223,
C226, R221,
R220, C223,
C224, C227,
C282, C283,
D11, IC10,
C221, C220,
C271, CN1,
SA1, L6, L7,
D3, Q4, Q5,
R23, R25,
R26, R28
Note:
After the measuring, sock up the solder of TP.
* : PC Setting (P.64) is required beforehand.
The connection of adjustment equipment are as shown in Adjustment Standard (Base Unit) (P.70).
69
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
14.2. Adjustment Standard (Base Unit)
When connecting the Simulator Equipments for checking, please refer to below.
14.2.1. Component View
X1
CN2
CN1
SA1
R81
R82
L2
R17
R31
R107
R106
R16
C81
C12
C13
C272
RLY1
C80
D207
D206
D212
D208
R79
R110
R102
Q1
D2
D3
Q8
C18
R25
C19
Q5
C40
C108
C109
C211
IC14
C212
C309
C313
C301
R288
R286
C305
C314
C302
R271
C269
C268
C300
C294
C284
C255
R251
IC15
C293
R302
C276
C315
C258
C289
C287
C267
C288
C291
R282
1
D209
R49
R12
R15
R299
R33
R278
C9
R29
C23
C5
E
C
B
C124
R80
C79
C11
C78
R76
C77
R77
C68
IC3
C45
C110
C17
R22
1
SA2
C318
C307
C306
C114
C72
C82
C105
C67
C66
C104
C73
C100
C324
C319
C321
IC1
R280
R56
R57
R275 R105
48
25
IC7
IC13
IC
2
IC12
C53
D214
J2
J4
J7
J5
J8
J6
J3
J1
64
65
L8
L9
C1
C2
C3
R60
C57
R59
C55
R113
R112
R91
C59
C64
C86
C84
C83
C63
RFM1
L1
Q13
IC6
IC8
C58
C71
C85
R92
C320
C323
C322
C62
C312
C311
DA1
L3
5
7
11
1
1
28
22
ANT2
1
1
C42
C37
C34
C43
C39
R277
1
1
1
10
11
20
1
10
11
20
C44
C48
C15
C14
C35
C76
C221
C270
R223 C225
D205
D203
RA3
RA1
RA4
D201
D204
D202
D202
D200
C223
R220
R221
R221
R279
R293
R266
R231
R292
C224
R222
C226
C271
C210
C232
24
C308
RA2
RA5
C273
TP201
TP205
TP204
TP202
TP203
CN9
C310
R300
R301
C283
C282
C286
D217
C227
D11
C220
C317
7
5
4
1
1
C41
C47
C46
R43
C36
R48
R47
R42
R44
R54
C50
C52
R52
R52
R50
C8
R13
R263
R262
R262
R261
R14
C6
C325
D210
D211
C285
R259
R260
R51
IC10
D213
R75
R103
R72
R71
R71
R23
R26
R39
R85
R24
128
C28
R111
D215
C316
R301
C26
C24
R78
Q12
TP31
R28
C115
D10
R46
R45
R53
C25
C7
C20
C49
Q3
Q2
C21
C33
103
102
C10
C31
Q7
Q6
B C E
Q4
Q9
R37
R35
R34
R36
D4
R70
R68
R69
R67
R68
R69
R67
C75
R74
R73
C74
C65
R273
R41
R11
R10
R272
R38
C32
C38
C101 C102
R40
R296
R297
TP110
TP61
TP60
C241
C240
C231
R230
R230
C274
R264
R265
R281
C266
C230
C103
D9
D8
D8
R276
24
38
39
44
23
R61
R108
R109
18
4
C4
L6
L7
D1
PbF
R295
D7
TP104
R84
C277
C279
R55
R64
C278
C295
R283
C233
R283
C233
C292
C299
C27
R32
R32
R27
C22
C22
R291
C254
C119
C119
C303
D216
R290
R287
C304
R285
C297
C298
R289
C296
R284
C275
C290
R284
C275
C290
R86
R294
R88
R87
TP50
DECT tester
CMD60
CMD60
Dummy
Cordless
Handset
Cordless
Handset
Headset
MIC
MIC
AF
OSC
OSC
AF VOLT
METER
METER
OSCILLO
SCOPE
SCOPE
SP
GND
10uF
10uF
150 ohm
Headset
(Q)
(Q)
(Q)
(Q)
(J)~(P)
AF
OSC
OSC
-
+
TP61
TP60
10uF
(S)
Note:
(J) - (P) is refered to ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) (P.66)
K
X
-T
C
D
5
40R
U
M
/
/
K
X-
T
T
C
A
154R
U
M
/
/
K
X-
T
T
C
D
540
R
U
T
/
/
K
X-
T
T
C
A
154R
U
T
70
14.2.2. Flow Solder Side View
PbF
TP14
ANT1
TP49
TP5
TP4
2 4
1
5
6
TP9
TP222
TP7
TP19
TP21
TP20
TP29
TP24
TP22
TP15
TP3
TP200
TP100
TP108
TP109
HSSP
SP
URX UTX GND
MIC1
TP101
TP102
TP103
TP223
TP224
MIC
Frequency
Counter
Counter
GND
TP49
Digital
Volt Meter
Volt Meter
TP14
GND
DC
6V
6V
TP222
TP5
GND
GND
AF
OSC
OSC
LOOP
SIMULATOR
SIMULATOR
AF VOLT
METER
METER
TP223
TP224
OSCILLO
SCOPE
SCOPE
TP22
GND
Digital
Volt Meter
Volt Meter
Digital
Volt Meter
Volt Meter
TP15
GND
TP109
8
TP3
GND
Digital
Volt Meter
Volt Meter
AF VOLT
METER
METER
OSCILLO
SCOPE
SCOPE
TP108
-
+
AF
OSC
OSC
-
+
HANDSET
MIC
MIC
TP102
TP103
10uF
10uF
150
TP100
HANDSET
SP
SP
TP101
OSCILLO
SCOPE
SCOPE
AF VOLT
METER
METER
-
+
PC
Black
Yellow
Red
UTX
URX
GND
(G)
(C)
(D)
(S)
(S)
(B)
(A)
(A)~(S)
(H) (I) (Q) (R)
(H) (I) (Q) (R)
(H) (I) (Q) (R)
(H) (I) (Q) (R)
(D) (E) (F) (G)
(H) (I) (J) (O) (P)
(R)
(R)
(R)
Note:
(A) - (S) is refered to ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) (P.66)
K
X
-T
C
D
5
40R
U
M
/
/
K
X-
T
T
C
A
154R
U
M
/
/
K
X-
T
T
C
D
540
R
U
T
/
/
K
X-
T
T
C
A
154R
U
T
71
14.3. Adjustment (Charger Unit)
Items
Adjustment Point
Procedure
Check or
Replace Parts
(A)
Charging Check
-
1.
Connect Charge Contact 12
Ω
/2W register between charge+ and charge-.
2.
Measure and confirm voltage across the regigster is 2.7V ± 0.2V.
D1,R1,R2
Note:
After the measuring, sock up the solder of TP.
The connection of adjustment equipment are as shown in Adjustment Standard (Charger Unit) (P.72).
14.4. Adjustment Standard (Charger Unit)
When connecting the Simulator Equipments for checking, please refer to below.
14.4.1. Flow Solder Side View
PbF
R1
R2
TP4
TP1
TP2
TP3
Digital Volt Meter
12
Ω
/2W
(A)
DC Power
Supply 6V
Supply 6V
Note:
(A) is refered to ADJUSTMENTS (BASE UNIT AND CHARGER UNIT) (P.66)
72
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
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