Panasonic KX-TG6811CA / KX-TG6811RU / KX-TG6811UA / KX-TG6812CA / KX-TG6812RU / KX-TG6812UA / KX-G6821CA / KX-TG6821RU / KX-TG6821UA / KX-TG6822CA / KX-TG6822RU / KX-TG6881RU / KX-TG6891RU / KX-TGA681RU Service Manual / Supplement ▷ View online
3
2.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Note:
*1: Please refer to “1 ORIGINAL SERVICE MANUAL INFORMATION”.
Change part based on suffix.
Please refer to SCHEMATIC DIAGRAM (P.4) and Printed Circuit Board (P.7) for detail.
Change part based on suffix.
Please refer to SCHEMATIC DIAGRAM (P.4) and Printed Circuit Board (P.7) for detail.
Ref. No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
Main P.C.Boards Parts
E101
E101
L5DYBYY00001
L5DYBYY00085
LIQUID CRYSTAL DISPLAY
1
*m
4
Y
*1
C91
ECUV1C105KBV
---
CERAMIC CAPACITOR
1
*m
4
Y
*1
C94
---
ECUV1C105KBV
CERAMIC CAPACITOR
1
*m
4
Y
*1
R48
ERJ2GEYJ391
---
390
1
*m
4
Y
*1
4
3 CHANGES
3.1.
SCHEMATIC DIAGRAM
3.1.1.
Handset (Main) P. C. Board
KX-TGA681 Only
Charge current
TX RF
RX RF
0V
800mVp-p
0.80V
SHORT
SFK_LED
LCD_RESET
STB_D
LCD_CS
STB_B STB_C
LCD_SCL
KIN_4
KIN_3
KIN_2
KIN_1
LCD_CD
KEY_LED
LCD_SID
BATTERY_ON
EEP_WP
BATTERY_ON
STB_F
KIN_4
KIN_3
CHARGE_CTRL
CHARGE_DET
STB_C
STB_D
KIN_1
SFK_LED
STB_B
STB_A
STB_F
SOCp
EEP_WP
LCD_LED0
STB_E
STB_E
KEY_LED
LCD_RESET
LCD_CD
LCD_SID
LCD_SCL
LCD_CS
LCD_LED0
SOCn
KIN_2
GND
R61
1k
R60
NC
C69
K0.1u
GND
+1.8V
RF_TXn
RF_TXp
RF_RXn
RF_RXp
C44
K0.1u
R20
F56k
GND
C43
D10p
C11
K0.1u
C13
K0.1u
GND
C15
J39p
VBAT
GND
GND
VBAT
+1.8V
C45
K0.1u
GND
C40
K0.1u
F1
GNDA
GND
GND
C6
K0.1u
R7
820
R9
30k
Q3
R2
30k
C19
K1000p
R6
10k
GND
C866
K0.1u
GND
C81
NC
GND
CP4V
C38
NC
*R13
1k
*R12
220k
*R11
680
*Q11
GND
GND
*Q10
*Q6
GND
*R15
1.5k
CP4V
LCD
12
GND
LCD
8
VDD
LCD
10
VSS
LCD
7
SI
LCD
2
OTP_PWR
*C92
K1u
LCD
9
VDDA
*C93
K1u
GND
LCD
1
GND
C91
16V K1u
LCD
11
V0
LCD
6
SCL
LCD
5
A0
LCD
4
RES
LCD
3
CS1
GND
CP3V
C5
K0.1u
CP2.8V
SOFT_C
RIGHT
1
SHARP
4
5
6
2
7
SP
P
U
3
8
AST
DOWN
LEFT
TALK
SOFT_A
0
9
ECO/R
C1
220u
GND
*R10
1.0
C47
1u
C56
K1u
CHG+
R3
NC
GND
X1
*LED12
B3ACB0000216
JTAG
Q9
DRC9143T0L
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
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
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
59
P1_2/INT2/SK
88
RFP2
89
GND
16
VREFp
17
CIDINn/MICp
18
CIDOUT/MICn
19
MICh
20
VREFm
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
RA5
3.3k
+1.8V
BATT+
BATT-
UTX
URX
URX
GND
VBAT
*Q12
Q2
Q4
IC3
16k
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
GND
5
SDA
CP3V
OJ4
R48
NC
CKM
R8
4.3
(3216)
SFK1
SFK2
STM
RST
LED20
R45
0.1
C85
J39p
GND
CHG+
CHG-
C46
1p
*RA2
680
*RA3
680
*LED6
*LED1
*LED2
*LED4
*LED5
*LED3
B3A
CB0000216
TO RF BLOCK
To Charge
Terminal
To Battery
(TGA681 = AMBER)
SFK LED
(EX = White)
(EX = AMBER)
KEY B/L LED
1.8inch Monochrome LCD
!! [Heat Seal]
LCD B/L LED
NC
C94
!
(1)
(2)
(3)
(4)
(5)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(10)
(11)
(12)
(13)
(13)
(14)
(15)
(16)
1/2
NC: No Components
5
KX-TGA681RU SCHEMATIC DIAGRAM (Handset_Main)
NC: No Components
2/2
RX AF (Handset)
TX AF
SP-Phone RX / Beep
RX RF
TX RF
SHORT
SHORT
SHORT
SHORT
SHORT
SHORT
CHARGE_DET
CHARGE_CTRL
STB_A
SOCn
SOCp
CARBON_CL1
C73
D10p
C72
D10p
GND
GND
+1.8V
C30
K1u
GNDA
GND
GND
GND
R23
1k
GND
C99
NC
C98
NC
GND GND
1.8V
MIC
AP1
Q1
D13
NC
D14
NC
C36
J39p
C78
K2200p
GND
C79
K2200p
GND
R77
1
R76
1
C22
K1u
C190
K0.1u
HAK_CL1
GND
GND
GND
GND
D21
NC
D22
NC
*C32
K0.1u
*R18
30k
R19
10k
CHG+
CP3V
GND
GND
C53
K2.2u
C55
D10p
D3
CP4V
GND
CP2.8V
GND
C41
K0.1u
IC4
VJ1
1
*CS
2 DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
CP3V
R41
33k
OFF
SP-PHONE_SPEAKER
+
-
RECEIVER
+
-
C191
K1u
C51
K1u
C59
K1u
C52
K1u
C29
K1u
R1
10k
C12
K2.2u
GND
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
23
VDD/AVD
24
LDO_CTRL
34
P1_7/CHARGE
35
P3_1/DP1/PAOUTp
36
VDDPA
45
CP_VOUT2
46
P1_6/PON
37
P3_0/DP0/PAOUTn
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
VBAT
VBAT
RA7 820
1
2
3
4
4
C801
10p
GND
RF_TXn
GND
RF_TXp
RF_RXp
C859
10p
ANT-Short-GND
VBAT
ANT-Short
ANT1_TP
GND
GND
RF_RXn
GND
OJ1
OJ2
OJ3
OJ5
OJ7
OJ6
CP3V
CP2.8V
CP4V
POWER
ZA1
1
2
6
7
9
11
3
4
8
10
5
2
1
C860 2.2p
C861 2.2p
CHG_MON
C70
68p
C71
68p
C862 1.5p
Test Pattarn for Carbon
MICn
(MAX500mA)
Test Pattarn for Pattern
RECEIVER+
RECEIVER-
MIC_POWER
MICp
open-stub
SL
W=0.6mm
L=20.0mm
open-stub
SL
W=2.2mm
L=5.0mm
open-stub
SL
W=2.0mm
L=10.8mm
TX-balun
SL
W=0.3mm
L=39.0mm
RF BLOCK
open-stub
SL
W=2.9mm
L=2.8mm
SL
W=0.3mm
L=6.5mm
open-stub
SL
W1=0.2mm
L1=3.0mm
W2=0.7mm
L2=4.3mm
SL
W=0.2mm
L=20.0mm
LPF
SL
W=0.3mm
L=6.95mm
MSL
W=0.25mm
L=5mm
MSL
W=0.25mm
L=5mm
MSL
W=0.25mm
L=2mm
50 ohm line
L=2mm
50 ohm line
Total L=4mm
(1)
(2)
(3)
(4)
(5)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(13)
(14)
(15)
(16)
6
Memo
Display
