DOWNLOAD Panasonic KX-TCA185RU Service Manual ↓ Size: 2.01 MB | Pages: 67 in PDF or view online for FREE

Model
KX-TCA185RU
Pages
67
Size
2.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DECT PORTABLE STATION
File
kx-tca185ru.pdf
Date
PREV: Panasonic KX-TCA175RU (serv.man2) Service Manual / Supplement

Panasonic KX-TCA185RU Service Manual ▷ View online

49
KX-TCA185RU
KX-TCA185
58 No.1 2/2
(1)
(2)
(3)
(4)
(5) (6)
(8)
(7)
(9)
(10)
(11)
(12)
(14)
(15)
(16)
(17)
(13)
13.824MHz
TX_RF
RX_RF
TX_RF
TX_RF
RX_RF
RX_RF
SP-phone_RX
Handset_RX
SP-phone_TX
Handset_TX
6
5
8
7
C
E
B
A
D
F
CHG_DET
CHG_CTRL
C326
NC
C313
10p
D301
NC
D300 NC
GND GND
C328
1000p
GND
GND
RX_SW
LNA_INP
TX_SW
BAL_OUT2
LNA_INN
C327
NC
SP-PHONE_SPEAKER
+
-
C321
1000p
C319
NC
L302
C316
1000p
C320
470p
C322
1000p
L303
C318
NC
CN301
Headset Jack
1
4
2
3
5
L300
GND
GND
VBAT
VBAT
GNDA
GNDA
GNDA
GNDA1 GNDA1 GNDA1
GNDA1
GNDA
GNDA
GNDA
GNDA
GND
SPP
SPM
MIC+
MIC-
GNDA
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND GND
GND
C315
10u
(1608)
L305
180n
GND
L301
C325
0.039u
ANT2
ANT1
GND
GND
GND
GND
GNDA
ANT_TP2
1
2
ANT_TP1
1
2
BAL_OUT1
GND
GND
VCCA
HEADSET_DET
VCCA
VCC_PA
GND
GND
GND
C17
10p
R14
NC
R301
390
R305
2.2k
R304
2.2k
R302
3.3k
R303
2.2k
R307
NC
R310
33
R311
33
R317
10
R314
100
R320
NC
C36
10p
D304
NC
D305
NC
D302
4.3V
D303
4.3V
R308
100k
R309
100k
X1
13.824M
GND
GNDA
REV-
REV+
L32
1.5n
R306
0
C55
NC
GND
CL1
C39
1.5p
C43
NC
ZA4
1
4
ZA3
1
2
3
2
3
4
C310
22u
C331
150p
50
GNDA1
GND
C48
10p
C50
10p
C31
1.5p
C33
1.5p
GND
GND
D50
GND
D51
GND
C312
NC
MIC
1
2
L304
180n
C323
0.1u
C324
0.1u
C332
NC
C16
8p
L38
0
L42
0
C52
3p
GND
GND
L30
4.7n
L46
NC
GND
GND
L44
NC
R50
NC
C32
0.5p
C18
1u
C15
1u
C317 47u
C314
150p
L33 10p
C47
4.7n
L31 4.7n
C41
5p
C42
2.7p
L35
2.2n
L36
8.2n
L45 10p
L43
10p
C30
0.5p
L21
C54
2.2p
L22
C38
NC
C53
1.5p
C37
1.5p
C35
1.8p
C34
1.8p
C329
NC
C330
NC
C57
0.5p
C56
0.5p
L34
5.1n
C46
10p
C45
0.75p
C44 0.2p
MIC POWER
RECEIVER+
RECEIVER-
Headset_MIC+
Speakerphone_SP+
Speakerphone_SP-
MIC+
MIC-
Headset_RECEIVER
RECEIVER
ANT2(Main)
GAP
HEADSET_DET
50
KX-TCA185RU
KX-TCA185
58 No.2 1/2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
C
E
B
A
D
F
3
4
2
1
KBIO_1
KBIO_2
KBIO_3
KBIO_4
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
SRAM_CS
SRAM_WE
SRAM_OE
SRAM_BHE
TDO
TDI
TCK
TMS
FL_CS
FL_DI
FL_DO
FL_CLK
A17
D15
SRAM_BLE
RTCK
LCD_BL2
KBIO_5
KBIO_6
KBIO_8
KBIO_1
KBIO_2
KBIO_3
KBIO_4
KBIO_5
KBIO_8
BELL_GREEN
BELL_GREEN
BELL_RED
KBIO_6
ON/OFF
KBIO_7
URX
UTX
A18
GND
GND
GND
3.0V
CLR
65
0
7
3
S
OFTC
LEFT
MENU
DOWN
FLEX
RIGHT
9
SHARP
SOFTB
1
HOLD
PWR
TALK
8
UP
SOFTA
4
2
*
3.0V
C118
0.1u
GND
3.0V
3.0V
3.0V
GND
GND
GND
GND
GND
C119
0.1u
GND
Q520
C122
NC
GND
GND
C123
NC
GND
C124
NC
GND
C125
NC
GND
C126
NC
GND
C127
NC
GND
C129
NC
TDO
TDI
TCK
TMS
GND_J
GND
R109
10k
R110
10k
R111
10k
R112
10k
R113
NC
R120
330k
R104
3.3k
C520
NC
C120
NC
C121
NC
A7
A10
A13
A6
A2
A3
A4
A5
UTX URX
FUNC
GND
OF1
OF2
UTX
URX
GND1
RTCK
CN100
1
2
3
IC101
A1
A4
A2
A5
I/O7 G6
VCC2 E1
I/O8 B1
A3
B3
A5
C3
A4
B4
*CE
B5
A0
A3
A6
C4
A7
D4
I/O4 E5
VSS2 E6
I/O10 C2
I/O9 C1
VCC1 D6
I/O11 D2
I/O6 F6
I/O5 F5
A10
H4
A11
H5
A12
G3
A9
H3
A13
G4
A14
F3
A15
F4
I/O2 C6
I/O1 C5
I/O0 B6
I/O3 D5
I/O15 G1
I/O13 F2
I/O14 F1
I/O12 E2
VSS1 D1
*WE
G5
A8
H2
*OE
A2
*BHE
B2
*BLE
A1
NC1
A6
NC5
H6
NC2
E3
NC4
H1
NC3
G2
A16
E4
A17
D3
A8
A9
A11
A12
IC102
1 *S
2 DQ1
6
C
7
*HOLD
3 *W/VPP
8
VCC
4 VSS
5
DQ0
LED530
Red
LED531
Green
C521
NC
P1
CL2
CL3
R514
470
R517 150
Q525
BELL LED
(RED/GREEN)
Battery
Battery
51
KX-TCA185RU
KX-TCA185
58 No.2 2/2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
4
6
5
8
7
C
E
B
A
D
F
LCD_CD
LCD_SID
LCD_SCL
LCD_CS
LCD_BL1
LCD_BL2
CP_ON
A0
A1
A14
A15
A16
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
SRAM_CS
SRAM_WE
SRAM_OE
SRAM_BLE
SRAM_BHE
UTX
TDO
TDI
TCK
TMS
A17
RTCK
CP_ON
LCD_SCL
LCD_CS
LCD_RESET
LCD_SID
LCD_CD
BELL_RED
LCD_BL1
LCD_BL2
HEADSET_DET
FL_DI
FL_DO
FL_CLK
FL_CS
URX
HEADSET_DET
LCD_RESET
ON/OFF
KBIO_7
A18
LED521
GND
LED520
GND
3.0V
LED522
LED523
GND
GND
IF_CLK_IF
IF_BAT_OK
IF_RX1
IF_MLSE
IF_T_DATA
IF_CDC_DIR
IF_CDC_DAT_AD
IF_CDC_DAT_DA
IF_CLK_PLL
IF_INT_ANA
IF_NPORST
IF_NARES
IF_DATA_AD
IF_DATA_DA
IF_EN_AD
IF_EN_DA
GND
GND
CKM
CP_ON
VDDC
VDDC
VDDC
GND
C108
0.1u
GND
GND
C106
0.1u
C105
0.1u
GND
GND
C104
0.1u
C102
0.1u
GND
C101
0.1u
GND
C100
0.1u
GND
C116
0.1u
C115
0.1u
C114
0.1u
C113
0.1u
C112
0.1u
C111
0.1u
GND
GND
GND
C117
0.1u
GND
C107 0.1u
C110
NC
GND
GND
C109
NC
LED526
LED527
LED528
LED529
3.0V
GND
3.0V
C501
0.1u
C506 0.1u
GND
GND
GND
GND
GND
GND
HEADSET_DET
STM
CN3
11
VCI
CN3
7
DB0_SDA
CN3
3
4V
CN3
9
NRESET
CN3
2
LED1
CN3
8
NCS
CN3
10
DNC_SCL
CN3
4
VSSA
CN3
1
LED2
CN3
5
IOVCC
CN3
6
NWR_RNW
GND
C128
NC
ON/OFF
R501
NC
R504
10k
R508
10k
A14
A15
A16
A17
G24
BLE
G28
G0
A0
A1
4.0V
4.0V
4.0V
KBIO_7
RA520
470
1
2
3
4
5
6
7
8
RA522
470
1
2
3
4
5
6
7
8
R505
1.2k
R509
1.2k
R506
180
R510
180
R507
47
R511
47
Q523
Q527
WE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
BHE
OE
CS
IC100
39
IF_CLK_O 40
IF_CLK_PLL 41
IF_DATA_AD 42
IF_DATA_DA 43
IF_EN_AD 44
IF_EN_DA 45
IF_INT_TS 46
IF_NARES 47
IF_NPORST 48
IF_MOD_I 49
IF_MOD_Q 50
IF_SYNC_MTCH 51
IF_SLC_CTRL_DA 52
IF_T_DATA 53
IF_VDDC_SENSE 54
IF_VDDIO_SENSE 55
VDDC3 56
CHARGE_PUMP 57
EBI_LCD0/CS1 58
EBI_LCD1/DATA0 59
EBI_LCD2/DATA1
60
VDDEBI3
61
EBI_LCD3/DATA2
62
EBI_LCD4/DATA3
63
EBI_LCD5/DATA4
64
EBI_LCD6/DATA5
77
EBI_LCD16/DATA15
78
EBI_LCD17/WE_E
79
EBI_LCD18/OE_R_W
80
EBI_LCD19/BEB1
81
EBI_LCD20/CS0
82
VDDEBI6
83
EBI_LCD21/BEB0
84
EBI_LCD22/ADD1
85
EBI_LCD23/ADD2
86
GPIO27
87
VDDUSB
88
USB_DM/GPI28
89
USB_DP/GPI29
90
VDDC4
91
JTAG_TDO
92
JTAG_TDI
93
JTAG_TCK
94
JTAG_TMS
95
JTAG_RTCK
96
GPIO0/SCL_IIC
97
GPIO1/SDA_IIC
98
GPIO2
99
GPIO3
100
GPIO4
101
GPIO5
102
GND4
103
GPIO6
104
GPIO7
105
GPIO8
106
VDDIO1
107
GPIO9
108
GPIO10
109
GPIO11
110
EBI_LCD24/ADD3
111
EBI_LCD25/ADD4
112
EBI_LCD26/ADD5
113
VDDEBI7
114
EBI_LCD27/ADD6
115
EBI_LCD28/ADD7
116
EBI_LCD29/ADD8
117
EBI_LCD30/ADD9
118
EBI_LCD31/ADD10
119
EBI_LCD32/ADD11
120
VDDEBI8
121
EBI_LCD33/ADD12
122
EBI_LCD34/ADD13
123
EBI_LCD35/ADD14
124
GPIO12
125
GPIO13
126
GPIO14
127
GPIO15
128
GPIO16
1
GPIO17
2
VDDIO_1
3
GND1
4
EBI36/ADD15
5
EBI37/ADD16
6
EBI38/ADD17
7
VDDEBI1
8
EBI39/ADD18
9
EBI40/ADD19
10
EBI41/ADD20
11
VDDIO_2
12
GPIO18
13
GPIO19
14
GPIO20
15
GPIO21
16
GPIO22
17
GPIO23
18
GPIO24
19
GPIO25
20
GPIO26
21
VDDC1
22
VDDC2
23
EBI42/ADD21
24
EBI43/ADD22
25
EBI44/CS2
26
VDDEBI2
27
EBI45/WAIT
28
EBI46/CLK_BURST
29
EBI47/ADV
30
GND2
31
GND3
32
NC1
33
VDDINT
34
IF_BAT_OK
35
IF_CDC_DAT_AD
36
IF_CDC_DAT_DA
37
IF_CDC_DIR
38
IF_CLK_IF
65
EBI_LCD7/DATA6
66
EBI_LCD8/DATA7
67
NC2
68
VDDEBI4
69
EBI_LCD9/DATA8
70
EBI_LCD10/DATA9
71
EBI_LCD11/DATA10
72
EBI_LCD12/DATA11
73
EBI_LCD13/DATA12
74
EBI_LCD14/DATA13
75
VDDEBI5
76
EBI_LCD15/DATA14
Q521
Q524
Q528
LED524
SLC
MODQ
R520
1k
Q522
1
E1
2
B1
3
C2
4
E2
5
B2
6
C1
Q526
1
E1
2
B1
3
C2
4
E2
5
B2
6
C1
C502
0.2p
C503
0.2p
C505
0.2p
C504
0.2p
KEY BACKLIGHT 
(Yellow Green)
TO APU
VDDC:1.725v
CHG_GND
Start Monitor when "SFR" command is executed, 
13.824MHz freguency will be output.
1.775V
52
KX-TCA185RU
13.2. Charger
KX-TCA185
58
 CHARGER UNIT SCHEMATIC DIAGRAM
A
B
C
D
E
F
3
4
2
1
PCB
AP1
PNLB1927ZA-IG
CHG-
G
CHG+
J1
2
1
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