DOWNLOAD Panasonic KX-TG8621UAM / KX-TGA860RUM Service Manual ↓ Size: 3.78 MB | Pages: 87 in PDF or view online for FREE

Model
KX-TG8621UAM KX-TGA860RUM
Pages
87
Size
3.78 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / PREMIUM DIGITAL TELEPHONE WITH BUILT IN ANSWERING SYSTEM AND TFT COLOUR DISPLAY
File
kx-tg8621uam-kx-tga860rum.pdf
Date
PREV: Panasonic KX-TG8621RUM / KX-TGA860RUM (serv.man2) Service Manual / Supplement

Panasonic KX-TG8621UAM / KX-TGA860RUM Service Manual ▷ View online

69
KX-TG8621UAM/KX-TGA860RUM
KX-TG8621UA  SCHEMATIC DIAGRAM (Base Unit_Main)
NC: No Components
CHARGE_DET
QSPI_IO1
QSPI_CS
QSPI_IO2
QSPI_IO0
QSPI_SCK
QSPI_IO3
PF_SUP
QSPI_IO
3
QSPI_SCK
QSPI_IO0
QSPI_IO2
QSPI_IO1
QSPI_CS
ACFL
Q8
C614
1u
R615
56k F
R16
10k
R12
3
NC
(3
216)
R14
100k
R18
27k
R27
100k
R19
8.2k
R23
100k
*R20
2.7k
R29
0
*R30
390
C22
1u
C18
NC
C57
NC
R21
12
C14
0.027u
C56
K0.1u
TP9
C2
3
NC
R24
3
9k
C27
50 10u
R28
470k
C155
(1005) NC
R33 1k
R35
1k
R10
100k
R8
100k
C61
100n
R117
3
.3
k
C75
100n
*D16
*D15
NC
A
K
NC
AK
C306
NC
C305
1u
F1 3A
*R2
NC
D21
Q9
R106
220
R109
220
C2
NC
C167
NC
C7
100n
C8
100n
C65 D10p
L2T
L2R
D26
NC
ANT1
RF_RXn
RXON
ANT2
RF_RXp
Q5
C9
680p
C10
680p
LINE_DC
C1
NC
R36
120k
C617
1u
R4
1M
R6
1M
R3
180k
R5
180k
C5
10n
C6
10n
C42
10n
C43
10n
R42
4.7M
R43
4.7M
C3
680p
C4
680p
C54
33n
C55 82n
R34 82k
C53 820p
*R7
NC
*R9
NC
*Q2
R22
27
R
3
7
3
.9k
R
3
2
82k
C52
820p
R40
270
C171
D10p
2.7k
0.25W
RA1
1k
1
2
3
4
R38 1k
+3.0_CP
RF_TXp
RF_TXn
TXON
R71
10k
R611
10k
P1
C1
3
6
D10p
C1
3
7
D10p
C168
D10p
C169
D10p
C170
D10p
+1.8V
GAP
D3
4
3
1
2
C
3
20
100n
R
3
20
2.2k
GND
C16
NC
C17
NC
C15
NC
R116
0
TP10
GND
C141
NC
D9
NC
+5.5V
Q3
+1.8V
+2.4V
+2.85V
+1.8V
+2.85V
R95
D10
NC
Q10
NC
NC
1u
C86
C
3
0
NC
C88
0.01u
R130
1k
C62
3
C622
NC
R129
10k
C156
NC
C
3
9
NC
C
3
8
C
3
7
C
3
6
220p
C602
180p
R605
4.7k
R811
NC
R126
NC
C626
NC
NC
D2
3
NC
C157
1000P
+1.8V
D22
NC
TP16
TP15
D28
NC
R607
0.1
+5.5V
DC_IN J101
+5.5V
GND1
R9
3
680
R91
33
0
C702
NC
+3.0_CP
+2.85V
+2.85V
+2.85V
R
3
64
NC
+5.5V
R609 12k
L1R L1T
DCP
DCM
1
VSS_LNA1
2
RF_RXn
3
RF_RXp
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
PARADET/P3_4
14
RINGOUT/RINGING/P3_5
15
RINGn/P3_6
16
RINGp/P3_7
17
CIDINp/P3_2
18
VREFp
19
CIDINn/MICp
20
CIDOUT/MICn
21
MICh
22
VREFm
2
3
LSRp
24
LSRn
25
AVD
26
LDO_CTRL
27
ADC0/P
3
_
3
28
ADC1/INT0/P1_0
29
NTC/ADC2
3
0
SOCp
3
1
SOCn
3
2
CHARGE_CTRL
33
P1_7/CHARGE
68
WLED_CUR_0
69
WLED_CUR_1
70
WLED_CUR_2
71
P2_1/ECZ2/PWM1/LED4
72
P2_0/ECZ1/PWM0/LED
3
7
3
VDD2
74
LDORF_CTRL
75
RFP0n
76
RF_SUPPLY2
77
RF_SUPPLY_PA
78
RF_TXn
79
RF_TXp
80
RFP2
97
GND
81
ONE_CELL
83
DC_DCI
82
DC_SENSE
84
DC_CTRL
85
VBAT
86
DC_CTRLN
87
ULP_MAIN
88
ULP_VBAT
89
ULP_PORT
98
DUMMY1
99
DUMMY2
100
DUMMY3
101
DUMMY4
102
DUMMY5
103
DUMMY6
104
DUMMY7
105
DUMMY8
106
DUMMY9
107
DUMMY10
108
DUMMY11
109
DUMMY12
110
DUMMY13
111
DUMMY14
112
DUMMY15
113
DUMMY16
90
QSPI_IO3
91
QSPI_SCK
92
QSPI_IO0
93
VDDIO
94
QSPI_IO2
95
QSPI_CS
96
QSPI_IO1
C
3
2
100u
16
6.
3
 1000u
R608 0.1
C640
NC
C704
0.1u
C701
0.1u
R612 0.1
Q23
D5 NC
D6 NC
NC
Q361
NC
SA1
2
1
SA2
NC
2
1
Q602
*Shield
1 2
6
7
9
11
3 4 5
8
10
12
Q22
R56
NC
(0.5W)
R55
NC
(0.5W)
R57
NC
R351
NC
+2.85V
C
3
52
NC
R
3
54
NC
+5.5V
NC
2.7V
2
VIN
1
VOUT
3
NC
4
VSS
CHARGE+
R
3
58
10k
+5.5V
R
3
55
NC
+5.5V
+1.8V
Q352
R
3
52
NC
VDD3
VDD1
VDD2
1
2
3
4
5
1
*CS
2 SO/SIO1
6
SCLK
7
NC/SIO3
3 *WP/SIO2
8
VCC
4
GND
5
SI/SIO0
Q4
X1
10.368M
1
3
2
C29
0.1u
C4
3
1
0.1u
C142
560p
C76
10p
C74
NC
D27
NC
*R124
R15
10
(3
216)
*C12
NC
*C166
NC
*R17
2.2k
Q363
NC
R365
NC
R366 NC
+2.85V
Q351
NC
R610 22k
C77
NC
C
3
58
NC
R
3
69
NC
L3
22uH
GND
GND1
R
3
67
22k
R
3
5
3
22k
Q354
R368
NC
Q362
NC
R
3
59
10k
R
3
60
56k
R
3
6
3
NC
R
3
62
NC
R
3
61
NC
*R
3
1
470
*C19
1.2u
*C25
0.047u
*R12
10k
*R13
680
*C28
0.0
33
u
3V DCDC convertor
DC_IN
Charge -
Charge +
Charge +
!
IC7
IC7
IC351
IC2
IC431
(1)
(2)
(3)
(4)
(5)
2.85V
3.0V
1.8V
Rx AF
Rx RF
Tx AF
Tx RF
Caller ID
Bell signal
Loop current
0.75V
0V
250mVp-p
Bell signal
70
KX-TG8621UAM/KX-TGA860RUM
13.3. Schematic Diagram (Handset)
TX RF
TX RF
ROW3
ROW0
ROW1
SOCn
COL2
COL1
COL3
ROW2
SOCp
COL5
CHARGE_CTRL
CHARGE
SOCn
CHARGE_CTRL
CHARGE
KEY_LED
LCD_RESET
LCD_CSB
LCD_SDA
LCD_SCL
LCD_CD
W_LED2
W_LED1
EEP_WP
EEP_SDA
EEP_SCL
BT_RESET
BT_PCM_CLK
BT_PCM_OUT
BT_PCM_IN
BT_PCM_SYNC
BT_IO2
BT_IO1
KEY_LED
BELL_LED
COL4
COL3
COL2
COL1
ROW2
ROW1
ROW0
SOCp
COL0
LDO_CTRL
LDO_CTRL
ROW3
COL0
UTX
URX
JTAG
RXON
RF_RXp
RF_RXn
COL5
COL4
TXON
RF_TXp
RF_TXn
BELL_LED
W_LED2
W_LED1
LCD_SCL
LCD_RESET
LCD_CSB
LCD_SDA
LCD_CD
EEP_WP
EEP_SCL
RF_TXn
RF_TXp
TXON
RF_RXn
RF_RXp
RXON
URX
UTX
BT_IO1
BT_IO2
BT_PCM_SYNC
BT_PCM_IN
BT_PCM_OUT
BT_PCM_CLK
BT_RESET
UTX
URX
JTAG
EEP_SDA
CP2.8V
C12
K10u
URX
POWER
GND
GND
RA40
10k
1
2
3
45
6
7
8
R66
1k
C172
K0.1u
GND
R63
100
RA61
220
1
2
3
4
UTX
R28
820
BATTERY
LED12
RF_TXn
RF_TXp
RF_RXn
RF_RXp
TXON
RXON
C44
K0.1u
R203 F56k
GND
C43
D10p
C47
K1u
C17 NC
C11
K0.1u
C18 NC
VREFm
RA4
3.3k
C13
K0.1u
GND
BATT-
GND
R45
0.1
BATT+
GND
C342
NC
GND
GND
C10
K2.2u
GND
+1.8V
1.8V
C341
NC
GND
C46 D10p
BATTERY
VREFm
VREFm
C14
NC
C15
NC
+1.8V
RA1
1k
1
2
3
45
6
7
8
L46
L47
GND
C39
NC
R20
10
CKM
CP4.0V
CP4.0V
CP+3.0V
CP3.0V
C45
K0.1u
C40
k0.1u
C49 K1u(1608)
C50
K1u(1608)
GND
BATTERY
C188
1u
VREFm
C96
D10p
C97
D10p
C865
10p
C866
1u
JTAG
R27
820
GND
GND
GND
R30
1.5k
GND
GND
R5
1.2k
C35
0.1u
C34
0.1u
GND
GND
C189
K1u
CP4.0V
C190
NC
GND
GND
C343
0.1u
C340
10p
GND
C345
10p
C344
0.1u
GND
GND
C5
0.1u
R23
1k
R2
10k
C55
D10p
GND
C54
D10p
GND
D1
GND
CP2.8V
CP4.0V
CHG+
CHG-
CP2.8V
D3
R3
1k
Q9
Q5
Q6
Q4
C41
0.1u
GND
R902
10k
BT_URX
BT_PCM_SYNC
BT_PCM_IN
BT_PCM_CLK
BT_RESET
BT3.0V
R72
10k
R73
10k
R913
1k
SOFT_A
2
4
1
3
SOFT_B
2
4
1
3
SOFT_C
2
4
1
3
3
12
2
12
1
12
UP
12
6
12
5
12
4
12
SP
1
2
9
12
8
12
7
12
DOWN
1
2
SHARP
12
0
12
AST
12
R
1
2
TALK
1
2
RIGHT
1
2
LEFT
1
2
C1
220u
6.3
C2
220u
6.3
C3
220u
6.3
GND
R921
NC
BT_IO2
BT_UTX
BT_IO1
BT_PCM_OUT
S1
1
2
LED9
LED6
LED4
NC
LED5
NC
LED8
LED7
RA5
1k
1
2
3
45
6
7
8
C53
K2.2u(2125)
R4
3.3(3216)
R31
10k
IC1
1
VSS_LNA1
2
RF_RXn
3
RF_RXp
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
VDD1
14
P4_0/SPI2_EN
15
P4_1/SPI2_CLK
16
P4_4
17
PARADET/P3_4
18
RINGOUT/RINGING/P3_5
19
RINGn/P3_6
20
RINGp/P3_7
21
CIDINp/P3_2
22
VREFp
23
CIDINn/MICp
24
CIDOUT/MICn
25
MICh
26
VREFm
27
LSRp
28
LSRn
29
ONE_CELL
30
AVD
31
LDO_CTRL
32
ADC0/P3_3
33
ADC1/INT0/P1_0
34
NTC/ADC2
35
SOCp
36
SOCn
37
MIC2n
38
MIC2p
39
CHARGE_CTRL
40
P1_7/CHARGE
41
DP1/PAOUTp/P3_1
42
VDD_PA
43
DP0/PAOUTn/P3_0
44
P4_5
45
P4_6
46
P4_7
47
CP_VBAT1
48
CP_C1x
49
CP_C2x
50
CP_C1y
51
CP_VBAT2
52
CP_C2y
53
CP_VOUT1
54
CP_VOUT2
55
PON/P1_6
56
VDD2
57
P2_7/BXTAL
58
P1_5/INT5/RDI/VDDE
59
P1_4/INT4/TDOD
60
P1_3/INT3/SIO
61
P1_2/INT2/SK
62
P1_1/INT1/LE
63
P2_6/WTF_IN
64
P5_0
65
P5_1
66
P5_2
67
P5_3
68
P5_4
69
P0_7/SPI_DI/PWM1
70
P0_6/SPI_DO
71
P0_5/SPI_CLK
72
P0_4/SPI_EN
73 P0_3/SCL2/URX2
74 P0_2/SDA2/UTX2
75 P0_1/URX/PWM0
76 P0_0/UTX
77 RSTn
78 JTAG
79 P2_5/PCM_FSC/SF
80 P2_4/SCL1/PCM_DO/DP3
81 P2_3/SDA1/PCM_DI/DP2
82 P2_2/PCM_CLK/CLK100
83 P5_5
84 WLED_CUR_0
85 WLED_CUR_1
86 WLED_CUR_2
87 P2_1/ECZ2/PWM1/LED4
88 P2_0/ECZ1/PWM0/LED3
89 VDD3
90 LDORF_CTRL
91 RFP0n
92 RF_SUPPLY2
93 RF_SUPPLY_PA
94 RF_TXn
95 RF_TXp
96 RFP2
133
VSS/GND
C76
0.1u
C77
0.1u
C71
NC
C72
NC
C73
NC
C74
NC
C75
NC
Q2
P1
2.1A
X1
10.368MHz
1
2
3
4
CN51
1
LED2
CN51
2
LED1
CN51
3
4V
CN51
4
VSSA
CN51
5
IOVCC
CN51
6
NWR_RNW
CN51
7
DB0_SDA
CN51
8
NCS
CN51
9
NRESET
CN51
10
DNC_SCL
CN51
11
VCI
SHIELD
1
2
5
67
3
4
GND
C52
K10u(2125)
C51
K1u(1608)
GND
+1.8V
STM
Q7
R903
2.2k
R64
22k
Q901
Q902
R911
22k
R910
47k
R901
120k
R912
180k
GND
R7
30k
R6
30k
C7 1000p
R918
10k
BAT
BATTERY
BT_POWER
VREFm
E_WP
E_SDA
E_SCL
+1.8V
+1.8V
SDA
SCL
C8
NC
GND
C6
NC
GND
C4
22u
GND
R919
120k
R920
180k
RA2
560
1
2
3
45
6
7
8
RA3
NC
1
23
4
IC3
256k
1
A0
2 A1
6
SCL
7
WP
3 A2
8
VCC
4 GND
5
SDA
BELL LED
(Amber)
TO:RF Block
MICp
MICn
(MAX500mA)
KEY Backlight
(White LED)
CHARGE
Terminal
1.77inch TFT Color LCD I/F
TO:BT Unit
Battery
Battery
NC: No Components
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(10)
(9)
Charge Current
3.0V
4.0V
4.0V
RX RF
RX RF
TX_AF
BT Headset RX
BT Headset TX
71
KX-TG8621UAM/KX-TGA860RUM
QSPI_SCK
QSPI_IO3
QSPI_IO2
QSPI_CS
QSPI_CS
QSPI_IOO
QSPI_IOO
QSPI_IO1
QSPI_IO1
QSPI_SCK
QSPI_IO2
DC_CTRL
DC_I
DC_SENSE
QSPI_IO3
DC_CTRL
DC_I
DC_SENSE
RF_RXp
RF_TXp
R807
220
C802
1.8p
GND
GND
BATTERY
C803
1.5p
TXON
GND
GND
RF_RXn
GND
C811
10p
GND
C804
1.8p
C837
NC
R806
220
GND
GND
RXON
GND
RF_TXn
DA801
1
2
3
GND
GND
C822
10p
C823
100p
GND
GND
GND
GND
C825
10p
C812
10p
R215
0
SP-PHONE_SPEAKER
+
-
C113
NC
C152
K1000p
C62
NC
C61
NC
GND
RECEIVER
+
-
C48
NC
C863
7p
C864
7p
C805
2.4p
C806
2.4p
L802
4.7n
L803
4.7n
C820
0.5p
C810
1p
C813
1p
C65
2200p
C809
10p
C826
1.1p
C66
2200p
ANT_DECT
@TP2-ANT-DECT1
1
2
GND
GND
C901
NC
BATTERY
BT_UTX
BT_PCM_OUT
BATTERY
CP+3.0V
C702
10p
GND
GND
R100
100k
C704
0.1u
GND
BT3.0V
GND
R906
0.1
SPI_SI
SPI_CSB
SPI_SO
SPI_CLK
GND
BT_IO1
Q904
1
G
2
S
3
K
4
A1
5
A2
6
D
BT_IO2
BT_PCM_IN
BT_PCM_CLK
BT_PCM_SYNC
BT_URX
BT_RESET
SPI_GND
Q906
R67
1
R68
1
C78
10p
C79
10p
C903 0.1u
+1.8V
ANT_BT
@TP2-ANT-DECT1
1
2
ANT_SHORT
ANT_SHORT_GND
GND
IC1
109
DC_CTRL
108
DC_I
111
DC_CTRLN
107
DC_SENSE
100
P4_2/SPI2_DO
101
P4_3/SPI_DI
129
P5_6
130
P5_7
125
QSPI_CS
1
22
VDDIO
121
QSPI_IO0
126
QSPI_IO1
123
QSPI_IO2
119
QSPI_IO3
120
QSPI_SCK
115
ULP_MAIN_CTRL
97
VSS/GNDplane1
98
VSS/GNDplane2
99
VSS/GNDplane3
102
VSS/GNDplane4
103
VSS/GNDplane5
104
VSS/GNDplane6
105
VSS/GNDplane7
106
VSS/GNDplane8
112
VSS/GNDplane9
113
VSS/GNDplane10
118
ULP_PORT
116
ULP_VBAT
117
ULP_XTAL
110
VBAT
131
VSS/GNDplane15
128
VSS/GNDplane14
127
VSS/GNDplane13
124
VSS/GNDplane12
114
VSS/GNDplane11
132
VSS/GNDplane16
C801
NC
GND
C902 D10p
GND
MIC AP1
1
2
L901
6.8u
R904
200k
R905
100k
C906
18p
D13
4.3V
D14
4.3V
D21
4.3V
D22
4.3V
R907
47
IC901
14
RESETB
19
RF
20
GND8
21
GND9
22
GND10
23
GND11
29
USB_D+
30
USB_D-
31
PCM_IN
32
PCM_CLK
4 GND2
5 CTS
6 RX
7 GND3
11
SPI_CSB
12
SPI_MISO
13
SPI_CLK
16
GND5
17
GND6
18
GND7
26
GND12
27
VCC
28
GND13
1 GND1
2 PCM_SYNC
3 PCM_OUT
8
RTS
9
TX
10
SPI_MOSI
15
GND4
25
PIO2
24
PIO1
IC4
1 *CS
2 SO/SIO1
6
SCLK
7
NC/SIO3
3 *WP/SIO2
8
VCC
4 GND
5
SI/SIO0
Q905
R908
470
R914
4.7k
R915
4.7k
GND
GND
GND
GND
C63 82p
C64
82p
GND
CP+3.0V
GND
C701
1u
GND
BT3.0V
GND
GND
BT_POWER
GND
C907
22u
C905
22u
C908
22u
GND
C904
22u
W 0.15mm
L 20+/-2mm
3rd layer
Pre-matching
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
Balun
W 0.15mm
L 5.0mm
1st layer
BPF
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-1mm
3rd layer
LSRp
LSRn
Open-stub
RF Block
BT Unit
n-MOSFET + Diode
KX-TGA860  SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(10)
(9)
TX_AF
RX AF (Handset)
BT Headset TX
BT Headset TX
BT Headset RX
SP-phone RX/Beep
RX_RF
TX_RF
3.0V
72
KX-TG8621UAM/KX-TGA860RUM
13.4. Schematic Diagram (Charger Unit)
J1
2
1
G
TP1
TP2
F1
R1
6.8 (2W)
SCHEMATIC DIAGRAM (Charger Unit)
!
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