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Model
KX-TG1077UAB KX-TG1077UAJ KX-TG1077UAW KX-TGA107UAB KX-TGA107UAJ KX-TGA107UAW
Pages
46
Size
1.09 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
kx-tg1077uab-kx-tg1077uaj-kx-tg1077uaw-kx-tga107ua.pdf
Date
PREV: Panasonic KX-TG1075RUB / KX-TG1075RUJ / KX-TG1075RUW / KX-TGA107RUB / KX-TGA107RUJ / KX-TGA107RUW (serv.man2) Service Manual / Supplement

Panasonic KX-TG1077UAB / KX-TG1077UAJ / KX-TG1077UAW / KX-TGA107UAB / KX-TGA107UAJ / KX-TGA107UAW Service Manual ▷ View online

25
KX-TG1077UAB/KX-TG1077UAJ/KX-TG1077UAW/KX-TGA107UAB/KX-TGA107UAJ/KX-TGA107UAW
11 Schematic Diagram
11.1. For Schematic Diagram
11.1.1. Base Unit (Schematic Diagram (Base Unit_Main))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagrams may be modified at any time with the development of new technology.
11.1.2. Handset (Schematic Diagram (Handset))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams may be modified at any time with the development of new technology.
26
KX
-T
G10
77UAB/KX
-T
G1
077UAJ/KX
-T
G
107
7UA
W
/KX
-T
G
A107UAB/KX
-T
GA107UAJ/
K
X
-T
G
A107
UA
W
11
.2
.
S
chemat
ic Dia
g
ra
m (Base
 Unit_
M
ai
n)
RX
TX
TP51
R20
EBR
TB
TB
Earth Break
Line Selection
Line Protection
Path Selection
Chain Relay
MBR Reduction
Wetting Pulse
AC / DC Load
Surge Protection
Pulse Shape
Complex Load
600R Load
DC Line Loading
Sidetone Concellation
Parallel Phone Detection
Current
Limitation
TX Amplifier
RLR & SLR
Line Reversal Detection
Toll Count
Filter
GND
ESD
L7
10uH
L4
+
+
I
+
+
+
I
I
+
+
I
+
I
+
+
+
I
+
I
I
I
10uH
Q28
C29
C30
1N
C25
C33
C36
C37
C129
100n
TP54
TP52
100n
R30
R691
6V_UNREG
BPHONE_RLY
REV1_MBR
ACDC_LOAD
PARA_DET
R84
R10
R11
C6
C70
C71
C661
8p2
8p2
8p2
8p2
Q604
Q605
R642
R639
TP66
C665
TP65
TP63
R52
R13
R17
TBR38 / 600
R58
R63
R64
TP75
TP78
VDD3V2
R24
C18
R38
Q1
R21
C21
C10
TP79
R96
C11
C12
Q5
TP77
R8
TP76
C24
C22
R23
R22
C23
100N
TP6
TP72
R648
C670
C669
C85
6N8
8p2
15K
R646
R647
2K2
TP73
TP71
TP74
R6
10N
C666
R638
R637
220K
C1
100N
8p2
LINERX_P
LINETX_P
LINETX_P
100N
C668
C688
TP59
R12
R83
R69
R9
C657
C663
R640
VDD3V2
R14
R15
TP61
Q2
Q4
R16
TP62
TP67
R636
C659
C89
R631
C69
TP60
8p2
C656
D610
47V
1.3W
2n2
4k7
EC658
10uF
50V
8P2
R632
C38
C693
C8
1k
R635
TP69
TP70
D606
1/2W
C662
68N
50V
68K
C35
TO-92
TP68
100K
R633
8p2
8p2
R36
R32
R29
R644
8p2
8p2
TP49
Q3
N.C
B
E
C
TP24
LINE
+
 2
REV2_WP
LINE + 1
R62
R87
C57
R89
C58
R88
Q24
R690
390k
GND
GND
D3
D4
GND
GND
1N
C192
GND
GND
GND
GND
GND
OR
R90
R91
R85
OR
OR
GND
GND
GND
VDD3V2
VDD3V2
R55
REV1_MBR
REV2_WP
Q14
R54
R53
TIP
C2
R5
R56
R57
Q15
C3
RING
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
OFF_HOOK
R33
390k
R31
18k
C19
Q8
GND
10n
R39
VDD3V2
RING_DET
10k
C31
10N / 250V
R678
RL1-C
R76  TB
R79  TB
R78  TB
R75  TB
R682
R665
6
1
2
3
4
2
4
3
7
5
TB
D2
D1
TB
VAR1
RING
CID1_N
PJ1
TB
TB
TB
TB
TB
TB
TB
D603
TB
R19
TB
R18
TB
GND
GND
GND
GND
GND
GND
GND
GND
GND
RL1-A
TB
TB
Q606
TB
1
8
D608
R659
TP55
TP56
C664
1/2W
R50
TP57
Q601
LINE+2
TB
D6
TB
Q607
TB
Q12
E
E
B
B
C
C
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
R7
TB
R2
TB
R82
TB
C32
TB
R81
TB
R97
R104
R102
R103
3K3
TP58
TP23
180K
2M
10M
R25
220k
C34
TP47
R26
8k2
Q6
C27
R27
2k2
2k2
R28
EC4
TP48
C28
C26
R80
TO92
Q7
Q30
C
C
B
B
E
E
Q11
R92
N.C.
N.C.
N.C.
0603
N.C
N.C
N.C
N.C
N.C
N.C
NC
N.C
N.C
N.C
3n3
TB
Q10
TB
R1
TB
TB
RING
TIP
TB
R93
TB
R649
TB
EC1
TB
50V
RL1-B
TIP
TP9
TP10
Onhook
Onhook
Offhook
Offhook
0805
CID1_P
LINE+1
LINE_INUSE
10N / 250V
L1
TB
500V
Type 4
Type 4
1N
500V
For TG1090 Only
Option 1
Option 2
Option 16
Option 4
Option 11
Option 12
Option 13
Option 5
Option 6
Option 17
Option 7
Option 8
Option 9
Option 15
Option 20
Option 10
Option 19
Option 18
Option 14
Option 3
KX-TG1077UA SCHEMATIC DIAGRAM (Base Unit_Main 1/3)
N.C: No Components
27
K
X
-T
G107
7UAB/KX
-T
G1
077UAJ/KX
-T
G
1077
UA
W/KX
-T
GA107UAB/KX
-T
GA107UAJ/KX
-T
G
A107UA
W
RX
TX
KX-TG1077UA SCHEMATIC DIAGRAM (Base Unit_Main 2/3)
N.C: No Components
U2
BBIC
U3
C97
VDD3V2
VDD3V2
VDD3V2
VDD3V2
VDD3V2
VDD3V2
VDD2V5
VDDINT
VDDO
VDDA
VDDC1
VDDC
ATE  INTERFACE
JTAG  INTERFACE
VDD3V2
VDDC
VDDINT
VDDO
VDD3V2
VDDC
12P
C39
SCL
VCC
WP
A0
A1
A2
GND
1
2
3
4
5
6
7
8
SDA
SCL
BUZZER
LINE_INUSE
PARA_DET
AON2
BPHONE_RLY
TDO
TDI
TCK
TMS
SDA
DI_SPI
VSSIO4
AOP2
LINERX_P
LINETX_P
VDDA
AIP2
AIN2
VR2_CTRL
VR1_CTRL
VBGP
VSSA
VSSO
XTAL2
XTAL2
XTAL1
XTAL1
13.824MHz
XTL - AT - 49
VR2_CTRL
POWER_CHK
VR1_CTRL
ANT0_SW
ANT1_SW
RF_SIG[0]
RF_SIG[1]
VANLI
VBAT
VMIC
IOGP24 / KB9
VDDIO1
JTAG_TMS
IOGP13
IOGP14 / BIF
VDDC2
VSSC2
VSSINT
PWR_SWITCH
VR3_CTRL
AIP2B AIN2B
AD3 AD2
AON2
JTAG_TCK
JTAG_TDI
JTAG_TDO
RF_SIG[3]
SIF_DATA
RF_SIG[2]
VSSC1
VSS RSSI R_DATA
T_GFSK / T-DATA
VDDO
VDDC1
VDDINT REF_CLK
RF_SIG4 / IOGP28
SIF_CLK
VDDIO3
IOGP0 / SCL_IIC
IOGP31 / DI_SPI
IOGP32 / DO_SPI
IOGP33 / SCK_SPI
IOGP15 / KB0
IOGP16 / KB1
IPGP17 / KB2
IOGP18 / KB3
IOGP19 / KB4
IOGP20 / KB5
VSSIO1
IOGP21 / KB6
ACDC_LOAD
IOGP34 / CS_SPI
IOGP1 / SDA_IIC
DO_SPI
SCK_SPI
CS_SPI
REV2_WP
RING DET
OFF_HOOK
TBR38 / 600
EBR
REV1_MBR
PAGE
C88
100N
C132
100N
C54
100N
C53
100N
C81
100N
C123
8p2
C7
8p2
J1
1
2
64
63
62
61
60
59
58
49
17
18
19
20
23
24
25
26
27
28
29
30
31
32
21
22
12
1
2
3
13
4
14
5
15
6
16
7
8
11
10
9
47
48
33
34
35
36
37
38
39
40
41
42
43
44
45
46
50
52
53
54
56
55
57
51
C145
TP16
T_GMSK
T_ENABLE
RF_S_DATA
RF_S_EN
RF_S_CLK
SLICE_CTR
R_DATAP
RSSI
RF_CLK_REF
TP17
TP4
R61
1K
1K
R86
100N
PAGE1
Page Key
1V8 / 2V5
SCL
SDA
TP8
C61
TP5
1K
R47
1%
1K3
R46
4K7
R41
100N
C83
C72
C40
C60
TP3
TP22
TP15
TP35
C9
C84
C77
C78
C86
100N
100N
R77
2K2
TP34
TP36
TP33
TP37
C65
C63
C59
R37
100N
C194
4K7
R40
1%
C15
1N
8p2
8p2
R66
8k2
8p2
8p2
8p2
8p2
8p2
8p2
8p2
8p2
8p2
TP11
C45
100N
C190
100N
C90
100N
D5
I
TP40
+
+
+
I
+
+
TP41
EC10
C79
12P
TP42
TP12
R74
R60
NC
510R
C44
12P
Q9
VDD2V5
VR1_CTRL
POWER_CHK
Power failure if  VDD3V2 < 2.8V
VR2_CTRL
100U / 6V3
R42
R43
1K
Q13
47K
47K
C193
8p2
1K
D9
C93
C
B
E
TP21
TP28
TP27
TP26
TP25
TP20
TP19
TP18
100P
100P
SDA
SCL
TDO
TDI
TCK
TMS
C119
C118
+6V
100N
C144
100N
C143
12P
R51
10R
C96
C105
C103
C107
C109
C106
C108
8P2
8P2
8P2
25338
25341
8P2
8P2
8P2
C75
8P2
C94
8P2
C95
15OP
4U7
R44
10R
R45
100R
R59
R48
TP39
EC2
100U
GND
GND
VBGP VMIC
VDDA
GND
GND
GND
GND
GND
CID1_P
CID1_N
GND
GND
C51
10P
C46
100N
10P
C50
Y1
GND
R101
R98
R99
R105
R100
OR
OR
OR
OR
OR
CID_P
CID_N
EC3
10U
6V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
TP38
TP13
TP1
C41
C74
R72
20K
R73
C73
TP2
20K
100n
100n
C141
330P
C142
330P
R35
390K
R34
390K
C42
C43
C52
C82
100N
C5
100N
C47
100N
GND
GND
GND
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
C4
100N
8p2
C121
C124 C99 C49
C56
2P7
100N
EEPROM
28
KX
-T
G10
77UAB/KX
-T
G1
077UAJ/KX
-T
G
107
7UA
W
/KX
-T
G
A107UAB/KX
-T
GA107UAJ/
K
X
-T
G
A107
UA
W
C171
1U
TP29
TP53
CRD
CRD +
J7
2
I
I
J7
1
I
1
1
6V_UNREG
GND
Charge LED
J8
GND
N.C
N.C
N.C
R107
R108
C177
C17
C13
C16
C14
C176
Q29
L3
10uH
L2
10uH
N.C
N.C
R109
27R
1/4W
N.C
C
B
E
N.C.
N.C.
N.C
HANDSET BATTERY CHARGER
Antenna part
TP31
1
1
TP32
ANT1
ANT0
OR
C169
OR
C170
100pF
C130
1pF
C87
1pF
C20
2p7
C101
TP7
TP14
ANT1
ANT
ANT0
ANT0_SW
ANT1_SW
12P
12P
12P
12P
12P
C152
2P42P4
2P4
C120 C153
C76
12P
C181
12P
C156
1K
R65
1K
D7
R67
NC
C55
NC
C80
22N
L10
C91
C92
C155
C154
1000U
EC61
8p2
EC62
VDD3V2
N.C
+6V
PWRJ2
GD
1
2
10U
10U
+6V
6V_UNREG
L5
L6
GD
1
2
3
PIN
PWRJ1
GND
N
OUT1
OUT2
N.C
C64
8p2
R49
3R
R71
750R
R70
470R
EC63
100U
470U
EC65
10V
+
+
+
C66
100N
C67
8p2
C126
6V_UNREG
VDD3V2
VDDPA
3V2
U1
For TG1090 Only
R4
TB
C166
TB
TB
1
3
4
5
6
7
8
2
TP46
DO_SPI
SI
SCK
RESET
CS
SO
GND
VCC
WP
DI_SPI
VDD3V2
VDD3V2
SCK_SPI
CS_SPI
Option 21
Audio Flash
U6
Flash
COB2
T_GMSK
1
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
2
3
4
5
6
7
9
10
11
12
13
14
15
16
8
R_DATAP
RF_CLK_REF
RF_S_DATA
RF_S_EN
RF_S_CLK
SLICE_CTR
RSSI
VDDPA
C48
C68
EC163
VDD3V2
T_ENABLE
C162
100N
100N
100U
8P2
RF
ANT
C148
TP30
1
4.7pF
48
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
KX-TG1077UA SCHEMATIC DIAGRAM (Base Unit_Main 3/3)
N.C: No Components
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