Panasonic KX-TGH210UAB / KX-TGH212UAB / KX-TGH220UAB / KX-TGHA20RUB Service Manual ▷ View online
69
KX-TGH210UAB/KX-TGH212UAB/KX-TGH220UAB/KX-TGHA20RUB
KX-TGH220UA SCHEMATIC DIAGRAM (Base Unit (Main))
0V
900mVp-p
0.85V
Optional
Power Failure
Power Failure
Charge Current
Caller ID
Bell Signal
Bell Signal
Loop Current
NC: No Components
Tx AF
Rx AF
Bell Signal
Tx AF
Rx AF
I2C_SDA
I2C_SCL
CHARGE_DET
PDN_DET
QSPI_SCK
QSPI_IO3
QSPI_CS
QSPI_IO2
QSPI_IO1
QSPI_IO0
EEP_WP
RF_TXp
RF_TXn
RF_TXn
RF_RXn
RF_RXp
C502
1u
C503
10p
L1T
L1R
HAK_CL1
PCB
RE1
PNLB2280**-LV
+1.8V
C11
08
2
0
p
C109
820p
ANT2
3
1
1
C
u
2
8
0
.
0
C111
0.033u
CHARGE-
*C351
1u
CHARGE+
DCP
+5.5V
F301
3.0A
CHG+
DCM
D362
A
K
C517
0.1u
VDD1
X501
10.368M
1
3
2
Q301
+1.8V
3
7
1
C
u
1
.
0
*Q144
Q161
B
C
E
C142
K
0.01u
*Q141
B
E
C
C152
0.01u
L2R
L2T
*C143
N
C
R117
100k
C116
100n
R116
5.6M
R115
5.6M
C115
100n
R118
100k
D132
NC
D133
NC
*C167
1000p
*C164
N
C
+1.8V
*C162
NC
C174
2200p
C166
NC
P101
*SA101
.
2
1
*Q701
B
E
C
*Q702
C514
+1.8V
D101
1
4
3
2
C101 680p
C102 680p
C106
680p
C105
680p
+5.5V
C321
1u
IC302
3
IN
2
OUT1
1
ADJ
4
OUT2
C342
0.1u
VBAT
C311
1u
R163
39
(0.5W)
R371
1
R372
1
C120
NC
C121
N
C
R120
NC
GAP
1
2
R167
N
C
+5.5V
STM/P15
VDD3
R501
56k
F
*R321
200
F
R322
100
F
RA611
3.3k
1
2
7
8
*D901
C902
NC
+5.5V
*R351
33k
*R355
680
*Q351
*Q353
*Q352
*R352
6.8k
*R373
NC
VBAT
*SA102
NC
2
1
*D143
NC
*C341
1000
*C344
@Doub
1000
C181
NC
*C171
0
.022u
ANT1
*D142
NC
*C161
1
0u
C103
0.01u
C104
0.01u
C352
NC
*R354
10k
+5.5V
+1.8V
*Q907
NC
VBAT
*Q908
NC
C518
10p
C519
0.1u
+1.8V
IC502
8M FLASH
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
NC
5
0
9
R
*
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
11
PARADET/P3_4
1
RF_RXn
2
RF_RXp
12
RINGOUT/RINGING/P3_5
13
RINGn/P3_6
14
RINGp/P3_7
23
AVD
24
LDO_CTRL
87
RF_TXp
15
CIDINp/P3_2
88
RFP2
89
16
VREFP
17
CIDINn/MICp
18
CIDOUT/MICn
19
MICH
20
VREFM
21
LSRp
22
LSRn
*D141
.
Q142
R101
5.6M
R102
5.6M
C184
1u
R109
82k
R110
82
k
R111
3.9k
R112
120
k
R141
100k
R142
2.7k
(3216)
*R144
10k
R145
3
.9k
R151
100k
*R162
39k
*R169
N
C
4
6
1
R
*
k
7
.
2
R165
27k
R166
8.2k
R168
4.7k
R311
10k
R892 NC
R103
180k
R104
180k
R119
NC
R125
270
*R146
1
0
(3216)
R143
N
C
(3216)
*R147
10k
*R148
6
80
0
6
1
R
*
0
2
8
*R170
NC
R178
3.3k
*R701
R702
10k
R891
NC
R957
10k
*R962
NC
*R963
NC
*R964
NC
*C141
4
.7uF
R152
130k
RX
DC_IN
6XX : FLASH, EEPROM, KEY, LCD
8XX : RF
7XX : FOR DK/BT
1XX : TEL LINE
4XX : MIC, SP
9XX : BACKUP
5XX : BBIC
3XX : POWER, CHARGE
(BROWN)
(RED)
(YELLOW)
(BLACK)
(1)
(2)
(2)
(5)
(6)
(6)
(7)
(8)
(9)
(3)
(4)
(10)
(11)
(12)
(12)
(13)
(14)
(15)
Optional
Charge Detector
Charge Detector
2/2
NC
NC
NC
70
KX-TGH210UAB/KX-TGH212UAB/KX-TGH220UAB/KX-TGHA20RUB
13.3. Base Unit (Operation)
KX-TGH220 SCHEMATIC DIAGRAM (Base unit (Operation))
MSG_LED
KEYS_E
KEYS_D
KEYIN2
KEYIN3
KEYS_C
KEYIN1
LED_VDD
PCB
*LED904
NC
A
K
LED902
RED
A
K
*LED905
NC
A
K
*LED906
NC
A
K
LED901
RED
A
K
SW904
ERASE
2
4
1
3
SW901
UP
2
4
1
3
SW908
ANS
2
4
1
3
SW906
RPT
2
4
1
3
SW907
PLAY/STOP
2
4
1
3
SW905
SKIP
2
4
1
3
SW902
DOWN
2
4
1
3
SW903
LOCATOR
2
4
1
3
ANS_LED
KEYS_E
KEYS_C
KEYIN1
KEYIN2
KEYIN3
KEYS_D
MSG_LED
LED_VDD
CELL1_LED
CELL2_LED
HS_LED
1
9
12
71
KX-TGH210UAB/KX-TGH212UAB/KX-TGH220UAB/KX-TGHA20RUB
Memo
72
KX-TGH210UAB/KX-TGH212UAB/KX-TGH220UAB/KX-TGHA20RUB
13.4. Handset
Rx RF
0.80V
0V
800mVp-p
Tx RF
Charge
1/2
SHORT
NR_LED
LCD_RESET
LCD_CS
BATTERY_ON
EEP_WP
BATTERY_ON
CHARGE_CTRL
CHARGE_DET
STB_CSTB_C
STB_DSTB_D
KIN_1
NR_LED
STB_BSTB_B
STB_ASTB_A
STB_F
SOCp
LCD_LED0
STB_ESTB_E
KEY_LED
SOCn
KEY_LED
LCD_SID
LCD_CD
LCD_RESET
LCD_CS
LCD_CD
LCD_SCL
LCD_SID
LCD_LED1
KIN_3
KIN_4
KIN_4
EEP_WP
KIN_2
LCD_SCL
GND
R61
1k
R60
NC
C69
K0.1u
GND
+1.8V
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
RF_RXp
C44
K0.1u
R20
F56k
GND
GND
VBAT
GND
GND
VBAT
+1.8V
C45
K0.1u
GND
GND
C6
K0.1u
R7
820
R9
30k
Q3
R2
30k
C19
K1000p
R6
10k
GND
C866
K0.1u
CP4V
*R13
*R12
220k
*R11
680
*Q11
GND
GND
*Q10
Q6
DSC9001S0L
GND
R15
1.5k
CP4V
GND
C5
K0.1u
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
6.3V
GND
*R10
1
C47
1u
C56
K1u
CHG+
JTAG
Q9
RA5
3.3k
BATT+
BATT-
UTX
URX
GND
*Q12
Q2
Q4
OJ4
R8
4.3
(3216)
RST
R45
0.1
CHG+
CHG-
CP3V
GND
C92
K0.1u
C91
K0.1u
C93
K0.1u
+1.8V
CP3V
RA2
560
VBAT
VBAT
NR
*LED1
*LED2
*LED4
*LED3
*LED12
*LED6
*LED5
LCD
4
GND
LCD
10
SCL
LCD
5
VDDI
LCD
8
CSX
LCD
K1MN11BA0111
11
VPNL
LCD
9
RESX
LCD
6
D/CX
LCD
7
SDA
*C2
NC
*C3
NC
GND GND
IC1
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
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
VDD3
82
LDORF_CTRL
83
RFP0N
84
RF_SUPPLY2
1
RF_RXn
2
RF_RXp
57
QSPI_VDDIO
58
P2_6/WTF_IN
74
P2_4/SCL1/PCM_DO/DP3
75
P2_3/SDA1/PCM_DI/DP2
85
RF_SUPPLY_PA
86
RF_TXn
87
RF_TXp
59
P0_7/SPI_DI/PWM1
88
RFP2
89
60
QSPI_IO2
61
P0_6/SPI_DO
62
P0_5/SPI_CLK
63
QSPI_CS
64
P0_4/SPI_EN
65
P0_3/SCL2/URX2
66
QSPI_IO1
67
P0_2/SDA2/UTX2
68
P0_1/URX/PWM0
69
P0_0/UTX
70
VDD2
71
*RST
72
JTAG
73
P2_5/PCM_FSC/SF
*X1
10.368MHz
RA3
560
P1
1.1A
C15
J56p
C85
J56p
GND
C94
220p
C46
B2.7p
IC3
32k
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
VSS
5
SDA
TO RF BLOCK
To Charge
Terminal
To Battery
NR LED
KEY B/L LED
1.77inch TFT Colour LCD
(EX = )
(US = )
White
Blue
(EX = )
(US = )
White
Blue
(1)
(2)
(2)
(4)
(3)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
1k
Click on the first or last page to see other KX-TGH210UAB / KX-TGH212UAB / KX-TGH220UAB / KX-TGHA20RUB service manuals if exist.