Panasonic KX-TCD951GB / KX-TCD955GC Service Manual ▷ View online
KX-TCD951GB/KX-TCD955GC
14
HOW TO REPLACE THE RF UNIT OF HANDSET
When replacing the P.C. Board No. PQUP10927ZA and
PQUP10927YA, the hotmelt removing and putting operation
is required.
1. Cool the P.C. Board in the freezer for 10 minutes, then
remove the hotmelt of the hatched parts in Fig. 16 with
the tip of minus screwdriver.
2. Remove the solder of each pin on RF unit, then remove
the RF unit from the P.C. Board.
3. After soldering the new RF unit on the P.C. Board surely,
put the hotmelt on the hatched part in the Fig. 16.
4. Note:
Above-mentioned hotmelt removing and putting opera-
tion is only for the P.C. Board No. PQUP10927ZA and
PQUP10927YA.
5. There is no need of the hotmelt removing and putting
operation for the PC Board No. PQUP10927ZC.
Don't put hotmelt here.
Hotmelt
Hotmelt
RF unit
RF unit
Hotmelt
P.C.Board No.
PQUP10927ZA or
PQUP10927YA
PQUP10927ZA or
PQUP10927YA
P.C.Board
Fig. 16
KX-TCD951GB/KX-TCD955GC
KX-TCD951GB/KX-TCD955GC
15
CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM (BASE UNIT)
1
2
3
4
5
6
7
8
9
10
11
12
G
F
E
D
C
B
A
H
(Component View)
(Flow slder Side View)
K101
J3
J4
IC201
49
42
41
27
26
16
15
1
R114
C136
C137
X101
R102
T101
BUZ101
C101
D101
R101
R106
R105
R115
C105
C104 C102
C103
C125
C147
R117 C146
R116
IC103
1
8
R118
R119
C141
C151
C116
T103
T102
D103
R103
D102
D12
R104
C106
R107
C150
C115
C115
C107
C114
C104
C154
C113
R111
C118
C117
C110
C110
R109
R110
C144
R121
R131
C109
C152
T11
T12
R73
IC101
IC102
1
100
C142
JMP206
JMP205
JMP204
JMP203
JMP202
JMP201
PQUP10924Z
C50
R41
IC104
8
1
C27
R70
R49
C111
C47
R72
R43
C28
C108
C29
T13
R52
R51
R74
32
C48
R56
D10
R57
R58
C33
C32
L5
C26
R71
R55
R54
R53
ICT
D11 D13
T14
R62
R61
C37
C38
T15
T16
R63
R64
R65
R66
DL
DE
LI
T7
R33
R34
T9
R36
R35
R30
R25
C20
D3
D4
C25
T8
IC2
C145
C156
C1
R3
D2
R24
R23
R13
D9
C36
C140
D104
16
1
1
C148
C45
R113
C127
C44
R136
R4
R1
R2
T1
C2
IC6
IC1
R69
C43
1
1
T2
JMP16
D1
JMP17
L1
SA2
SA1
SA3
1
6
JMP18
JMP12
JMP21
JMP1
JMP3
JMP4
JMP7
JMP6
JMP5
JMP8
JMP9
JMP15
JMP10 JMP13
JMP14
JMP19
JMP20
L3
L2
C5
R7
R8
C4
C17
R5
R6
C3
C18
D8
C10
R10
R15
R18
R17
C19
C7
R9
D6
D7
C41
C42
C12
C14
C9
R12
R21 R19
C11
IC3
1
R22
C15
R16
R26
T5
T4
R20
IC4
1
C13
PWR
GND
I/O
R27
R120
R28
R29
C22
C21
R39
R40
R59
R60
C34
C35
R31
T6
R32
D105
J1
1
6
J2
SA4
C40
R68
R67
C8
C6
IC7
JMP22
C16
R11
C39
RL1
R112
C139
C143
R122
1
KX-TCD951GB/KX-TCD955GC
KX-TCD951GB/KX-TCD955GC
16
1
2
3
4
5
6
7
8
9
10
11
12
G
F
E
D
C
B
A
H
SCEMATIC DIAGRAM (BASE UNIT)
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