Panasonic KX-TG8621RUM / KX-TGA860RUM Service Manual ▷ View online
73
KX-TG8621RUM/KX-TGA860RUM
14 Printed Circuit Board
14.1. Circuit Board (Base Unit_Main)
14.1.1. Component View
ANT_2
ANT_1
1
1
SA1
SA2
P1
KX-TG8621 CIRCUIT BOARD (Base Unit_Main (Component View))
A
KX-TG661xH
TG805xH
TG861xH
TG862xH
TG861xH
TG862xH
PNLB1895Y
PbF
-GW
YA
C305
C137
C136
C171
C52
C320
C618
C501
C156
Shield
SW501
SW502
C157
C812
C822
C19
C18
C28
C864
C811
C810
C805
C837
C806
C853
C86
C851
C39
C858
C804
C802
C856
R55
R12
R13
R13
R18
R20
R129
R27
R130
R32
RA1
R811
R126
R126
R615
R56
R93
R109
L803
IC351
IC2
D9
DA801
D3
DA802
Q23
Q351
Q22
Q2
C625
C615
C631
C60
C168
C169
C170
C61
C622
C352
C25
C15
C17
C16
C72
C70
C75
C826
C823
C167
C306
X1
C65
R38
C27
C820
C863
C813
C803
C857
C32
C854
C825
C36
C9
C10
C855
C37
C850
R57
R320
R40
R2
R30
R355
R354
R35
R352
HAK_CL1
R22
R21
R351
R28
R31
R123
R807
R124
R91
R806
R106
L802
L3
IC7
D22
D26
D21
D27
Q3
74
KX-TG8621RUM/KX-TGA860RUM
14.1.2. Bottom View
KX-TG8621 CIRCUIT BOARD (Base Unit_Main (Bottom View))
A
GRY
PUR
ORG
3.0A
CHARGE+
CHG
CHARGE-
F1
DC
BLU
BRN
RED
RED
TEL
YLW
BLK
DCP
LOCATOR
DC_IN
CKM
JTAG
GND_C
STM
VDD2
VDD3
VDD4
VDD5
YA
VDD1
UTX
URX
GND
J101
E
DCM
L1T
LINE_DC
L1R
C808
C55
C38
C702
C431
C422
C701
C617
C53
C2
C12
C155
C626
C623
C22
C57
C4
C43
C56
C14
C166
C1
C7
C5
C421
C423
C30
ANT_2
C88
C29
C809
R77
R78
R34
R611
R5
R6
R7
R14
R15
R360
R369
R29
R19
R24
R23
R8
R71
R657
R424
R361
R362
R363
R95
R364
R367
R368
R366
R365
IC421
IC431
IC401
TP16-sub
TP16
TP15
TP15-sub
TP9
D23
D6
D5
D16
ANT_1
D15
D28
D10
Q8
Q354
Q352
Q4
Q5
Q9
Q421
Q602
Q10
Q363 Q362
Q361
C616
C640
C630
C54
C74
C76
C77
C614
C142
C704
C6
C8
C358
C141
C23
C3
C42
C51
C602
R116
R358
R359
R353
R43
R117
R609
R610
R37
R36
R620
R428
R427
R33
R10
R9
R17
R16
R4
R3
R42
R75
R430
R425
R76
R429
R426
R612
R608
R607
R605
TP10
RA80
RA402
ANT2_TP
ANT1_TP
For JIG
GND
VDD1 1.8V
(B)
VDD2 2.4V
(S)
VDD3 2.85V
(A)
VDD5 3V
(D)
VDD4 3V
(C)
URX
UTX
CKM
(CLK:10.368 MHz)
75
KX-TG8621RUM/KX-TGA860RUM
14.2. Circuit Board (Handset)
14.2.1. Component View
C46
C865
C806
C805
C810
C811
C813
C866
C907
C40
C45
C44
C172
C13
C41
C43
C825
C804
C152
C47
X1
ANT_SHORT
ANT_SHORT_GND
C823
C820
C826
C903
C52
C53
C54
C189
C55
C50
C188
C10
C11
C64
C63
C902
C340
C343
C4
C6
C342
C8
C341
C5
C34
C113
C35
C14
R215
R27
R23
R203
R28
R918
R63
R66
R66
R64
R919
R914
R915
R906
R100
R905
R67 R68
R901
R912
R912
R6
R3
R45
R5
L802
L803
L47
L46
L901
IC1
IC3
IC901
RA40
RA1
RA61
DA801
D3
D14
D13
D1
Q2
Q904
Q7
SHIELD
Q905
Q902
Q901
Q4
Q9
Q6
C904
C39
C908
C905
C704
C906
C51
C701
C809
C61
C822
C62
C863
C837
C803
C802
C812
C864
C190
C12
C18
C17
C96
C97
C48
C702
C78
C79
C49
C801
C66
C65
C901
C2
C345
C344
C3
C7
C1
C15
R73
R72
R2
R913
R921
R807
R806
R920
R908
R20
R904
R907
R902
R903
R910
R911
R4
R7
R31
R30
IC4
RA5
RA4
RA2
RA3
D22
D21
Q906
Q5
A
KX-TGA860 CIRCUIT BOARD (Handset_Main (Component View))
PNLB1899Z
POWER
ANT_BT
CKM
1.8V CP3.0V
E_WP
E_SDA
E_SCL
JTAG
STM
SPI_SO
SPI_SI
SPI_CLK
SPI_CSB
CP4.0V
SPI_GND
SP-PHONE
BLU ORG
PbF
-GW
KX-TGA860XX
ANT_DECT
GRN
ORG
GND
BAT
UTX
URX
BATT+
E
E
BATT-
CHG+
CHG-
MIC+
MIC-
1
7
16
23
RECEIVER
CP4.0V
VDD 1.8V
CKM
(CLK:10.368 MHz)
(CLK:10.368 MHz)
Power key
CP3.0V
ANT
GND
URX
UTX
GND
GND
BATT-
BAT
CHG-
CHG+
BATT+
for signal communication jig
76
KX-TG8621RUM/KX-TGA860RUM
14.2.2. Bottom View
#
DOWN
UP
LEFT
SP
RIGHT
TALK
SOFT_A
S1
SOFT_B
LED12
LED8
LED9
LED7
LED4
LED5
LED6
C74
C76
CN51
C77
C71
C71
C73
C75
SOFT_C
R
A
0
MIC
CARBON_CL1
8
7
4
1
5
6
2
3
9
KX-TGA860 CIRCUIT BOARD (Handset_Main (Bottom View))
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