Panasonic KX-TG6621RUB / KX-TG6621RUM / KX-TG6621UAB / KX-TG6621UAM / KX-TG6621CAB / KX-TG6621CAM / KX-TG6622RUB / KX-TG6622RUM / KX-TG6622CAB / KX-TGA661RUB / KX-TGA661RUM Service Manual / Supplement ▷ View online
13
Memo
14
3.5.
Schematic Diagram
3.5.1.
Schematic Diagram (Handset)
[Changed from original section “13.3. Schematic Diagram (Handset)”]
LCD_SCL
BELL_LED
LCD_RESET
LCD_CSB
COL1
COL3
COL4
KEY_LED
SOCn
COL2
COL1
ROW2
ROW3
COL4
ROW1
COL3
ROW0
COL5
COL0
BELL_LED
UTX
JTAG
SOCp
COL5
CHARGE
COLORLCDLED
LCD_RESET
LCD_CSB
LCD_CD
LCD_SDA
LCD_SCL
CHARGE_CTRL
BATTERY_ON
KEY_LED
BATTERY_ON
SOCp
COL2
HEADSET_DET
LDO_CTRL
COL0
CHARGE_CTRL
CHARGE
URX
LCD_CD
LCD_SDA
QSPI_I02
QSPI_I01
QSPI_CS
QSPI_I00
QSPI_SCK
QSPI_I03
COLORLCDLED
ROW1
ROW2
ROW3
ROW0
HEADSET_DET
SOCn
URX
POWER
GND
*R25
NC
*C14 NC
*R22 NC
*C16
NC
GND
R66
1k
R64
10k
C172
K0.1u
GND
*C184 NC
UTX
+1.8V
R28
820
GND
GND
BATTERY
LED12
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
RF_RXp
TXON
RXON
C44
K0.1u
R203
56k
F
GND
C43
D10p
C11
K0.1u
C13
K0.1u
GND
BATT-
BATTERY
R45
0.1
BAT
BATT+
GND
GND
+1.8V
1.8V
GND
C46 D10p
BATTERY
+1.8V
RA1
NC
NC
1
2
3
45
6
7
8
STM
L46
L47
L47
CKM
CP_V2
CP_V2
CP+3.0V
CP3.0V
C45 K0.1u
GND
C40
k0.1u
C49 K1u
GND
BATTERY
C188
K1u
VREFm
C96
D10p
C97
D10p
CP+3.0V
GND
CP+3.0V
GND
JTAG
R27
820
*C175
K1u
CN5
4
RESETB
CN5
6
SCLK
CN5
5
A0
CN5
9
VDDA
CN5
2
OPT_PWR
CN5
10
VSS
CN5
11
V0
CP2.8V
CN5
3
LCD_CSB
GND
CN5
1
GND
CN5
8
VDD
CN5
12
GND
GND
*LED9
*LED4
*LED1
*LED5
*LED2
*LED6
*LED8
*LED3
*LED7
GND
GND
R30
1.5k
GND
GND
C35
0.1u
5
12
4
12
1
12
0
12
TALK
1
2
9
12
SHARP
12
SP
12
AST
12
8
12
3
12
R
1
2
2
12
SOFT_A
12
SOFT_C
12
SOFT_B
12
7
12
6
12
S1
1
2
C34
0.1u
GND
GND
C189
K1u
CP_V2
CP_V2
GND
C344
0.1u
GND
C5
0.1u
R23
1k
*R29
NC
*R50
10k
*C107
NC
*C106
NC
*C103
J100p
*R54
10k
*C105
J100p
*R55
1k
R7
10k
C55
D10p
GND
C54 D10p
C2
220u
6.3V
*R18
100k
(KX-TGA661 only)
R19
33k
GND
*C32
K0.1u
(KX-TGA661 only)
*C60
NC
GND
*C61
NC
*C62
NC
CP2.8V
CP_V2
CHG+
CHG-
LEFT
1
2
DOWN
12
RIGHT
12
UP
12
*R70
NC
CP2.8V
CP2.8V
*C63
NC
R100
100k
R101
NC
C704
K0.1u
*R73
NC
*R74
NC
*C68
NC
*C65
NC
*C69
NC
*R71
NC
*R72
NC
R4
3.3(3216)
Q5
Q6
Q4
*X1
10.368M
1
3
2
R31
10k
R8
30k
R9 30k
C19
K1000p
K1000p
*R53
3.3k
F1
2.5A
*CN51
13
VDDIO
*CN51
9
RS/A0
*CN51
2
LED-
*CN51
3
AVDD
*CN51
K1MN14BA0111
14
VDD
*CN51
10
/CS
*CN51
6
VGL
*CN51
8
SDA/SDI
*CN51
11
/RESET
*CN51
5
C11B
*CN51
12
GND
*CN51
1
LED+
*CN51
7
SCL/SCK
*CN51
4
C11A
Q2
CN5
7
SID
L48
*RA32
270
1
2
3
45
6
7
8
*RA30
820
1
2
3
45
6
7
8
*R51
330
*R52
330
*C67
NC
*R75
NC
*C66
NC
*C174
K1u
*C64
NC
*R11
1.0
*R13
680
GND
*Q12
*Q10
*Q11
*R6
220k
GND
*R14
1k
IC1
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
11
P3_4/PARADET
25
P3_3/ADC0
26
P1_0/INT0/ADC1
27
SOCp
28
SOCn
29
DC_SENSE
30
DC_I
31
DC_CTRL
32
VBAT
33
CHARGE_CTRL
47
QSPI_IO2
48
QSPI_IO1
49
QSPI_CS
50
VDDIO_QSPI
51
QSPI_IO3
52
QSPI_SCK
53
QSPI_IO0
54
VDD1
55
P2_7/BXTAL
76
P2_2/PCM_CLK/CLK100
77
WLED_CUR_0
78
WLED_CUR_1
79
P2_1/ECZ2/PWM1/LED4
80
P2_0/ECZ1/PWM0/LED3
81
LDORF_CTRL
82
VDD3
83
RFP0n
84
RF_SUPPLY2
1
RF_RXn
2
RF_RXp
12
P3_5/RINGOUT/RINGING
13
P3_6/RINGn
14
P3_7/RINGp
23
VDD/AVD
24
LDO_CTRL
34
P1_7/CHARGE
35
P3_1/DP1/PAOUTp
36
VDDPA
45
CP_VOUT2
46
P1_6/PON
56
P1_5/INT5/RDI/VDDE
57
P1_4/INT4/TDOD
58
P1_3/INT3/SIO
74
P2_4/SCL1/PCM_DO/DP3
75
P2_3/SDA1/PCM_DI/DP2
85
RF_SUPPLY_PA
86
RF_TXn
87
RF_TXp
15
P3_2/CIDINp
37
P3_0/DP0/PAOUTn
59
P1_2/INT2/SK
88
RFP2
89
GND
16
VREFp
17
CIDINn/MICp
18
CIDOUT/MICn
19
MICh
20
VREFm
21
LSRp
22
LSRn
38
CP_VBAT1
39
CP_C1x
40
CP_C2x
41
CP_C1y
42
CP_VBAT2
43
CP_C2y
44
CP_VOUT1
60
P1_1/INT1/LE
61
P2_6/WTF_IN
62
P0_7/SPI_DI/PWM1
63
P0_6/SPI_DO
64
P0_5/SPI_CLK
65
P0_4/SPI_EN
66
P0_3/SCL2/URX2
67
P0_2/SDA2/UTX2
68
P0_1/URX/PWM0
69
P0_0/UTX
70
VDD2
71
*RSTn
72
JTAG
73
P2_5/PCM_FSC/SF
GND
GND
C191
k0.1u
GND
D3
RA40
10k
1
2
3
45
6
7
8
*IC3
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
CP2.8V
CHG+
CHG+
C10
1u
C52
1u
C50
1u
C47
1u
C701
1u
C866
1u
C190
NC
C51
1u
C53 2.2u
C12
2.2u
Q7
Q9
*RA31
820
1
23
4
RA61
220
1
2
3
4
RA4
3.3k
1
2
3
4
IC4
VJ1
1
*CS
2
SO/SIO1
6
SCLK
7
NC/SIO3
3
*WP/SIO2
8
VCC
4
GND
5
SI/SIO0
R5
1.2k
C41
NC
C56
NC
C139
NC
C138
NC
C702
10p
*C580
10p
*C173
NC
*C104
10p
VREFm
BELL LED
(Amber)
(Amber)
TO RF BLOCK
To Battery
MICp
MICn
(MAX500mA)
to LCD UNIT(Monochrome 1.8inc FullDot for TGA661)
Heat Shield
KEY B/L
LCD B/L
CHARGE
Terminal
Terminal
Amber LCD B/L(TGA661EU)
only TGA806
1.5inc TFT Colour LCD I/F
NC: No Components
3.0V
3.0V
RX_RF
TX_RF
Charge Current
KX-TGA661 only
!
(1)
(2)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(8)
15
NC: No Components
KX-TGA661 SCHEMATIC DIAGRAM (Handset_Main)
RX_RF
TX_RF
TX_AF
RX AF (Handset)
SP-phone RX/Beep
GND
PCB
RE1
CARBON_CL1
SP-PHONE_SPEAKER
+
-
VREFm
VREFm
C113
NC
C74
NC
C75
NC
C152
K1000p
K1000p
*C71
10pF
*C70
10pF
GND
RECEIVER
+
-
GND
VREFm1
*C110
NC
*L72
NC
L9
VREFm1
*C83
NC
*L308
NC
*C82
NC
*C127
NC
*C86
NC
VREFm1
GND
VREFm1
*L74 NC
VREFm
*C185
NC
*CN4
Headset Jack
NC
1
4
2
3
5
*R306
NC
VREFm
GND
*C33
0
*R34
NC
GND
C76
K2200p
C77
K2200p
C79
D10p
D10p
C78
D10p
GND
AT1
1
2
RF-SHIELD
1
2
6
8
10
12
3
4
5
9
11
13
7
GND
R77
1
R76
1
ANT-Short
ANT-Short-GND
MIC AP1
1
2
C73
NC
NC
C72
NC
D13
D14
D21
D22
GND
GND
GND
C822
10p
C820
0.5p
GND
GND
C804
2p
RF_TXp
GND
C811
10p
C826
1.1p
L809
1p
VBAT
GND
RF_TXn
C812
NC
DA801
1
2
3
GND
GND
R806
220
RXON
GND
GND
TXON
R807
220
C837
NC
GND
GND
GND
RF_RXp
C813
1p
C814
NC
RF_RXn
C803
1.5p
GND
GND
GND
C825
10p
*Q31
+1.8V
GND
*R32 NC
*R86
NC
C802
2p
C805
2.7p
C806
2.7p
C810
2.5p
LSRp
LSRn
Test Pattarn for Carbon
MICp
MICn
MICh
LSRp
HEADSET_DET
only TGA806
W 0.15mm
L 5.0mm
1st layer
L 5.0mm
1st layer
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
L 7.6mm
Gap 0.125mm
1st layer
W 0.15mm
L 20mm
3rd layer
L 20mm
3rd layer
W 0.15mm
L 20+/-2mm
3rd layer
L 20+/-2mm
3rd layer
Pre-matching
W 0.15mm
L 5.0mm
1st layer
L 5.0mm
1st layer
BPF
RF BLOCK
(1)
(2)
(2)
(3)
(4)
(4)
(5)
(6)
(7)
(8)
(8)
16
Memo
Click on the first or last page to see other KX-TG6621RUB / KX-TG6621RUM / KX-TG6621UAB / KX-TG6621UAM / KX-TG6621CAB / KX-TG6621CAM / KX-TG6622RUB / KX-TG6622RUM / KX-TG6622CAB / KX-TGA661RUB / KX-TGA661RUM service manuals if exist.