KX-TGF310RU, KX-TGF320RU, KX-TGF320UC, KX-TGF372AZ, KX-TGF380AZ, KX-TGF382AZ, KX-TGFA30AZ, KX-TGFA30RU - Panasonic Telephone Service Manual Supplement (repair manual). Page 4

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4
3 CHANGES
3.1.
SCHEMATIC DIAGRAM
3.1.1.
Handset (Main) P. C. Board
                                                                                                                          KX-TGFA30 SCHEMATIC DIAGRAM (Handset_Main)
Handset Tx
SP Phone Tx
Handset Rx
SP Phone Rx
Charge Current
When on Charge
1s
KIN_1
KIN_2
KIN_4
KIN_3
STB_E
STB_D
STB_C
LCD_RESET
LCD_SIO
LCD_SCL
MIC-
RCEIVER+
RECEIVER-
Headset_MIC
MIC+
CHG+
Headset_DET
KEY_LED
SP+
SP-
CP_OFF
STB_B
BATTERY_ON
STB_A
KIN_5
ANT
URX
UTX
CP3V
CHG_DET
CHG_CTRL
LCD_CD
LCD_CS
VBAT
C35
NC
GND
GND
GND
C42
NC
C5
K0.1u
GND
CARBON_CL1
GND
GND
GND
GND
GND
GND
R7
100k
C15
J39p
CP4V
IC4
1
VOUT
2
GND
4
CN
5
VCC
3
SHD
6
CP
C58
K1u
C1
NC
GND
MIC
AP1
C27
1000p
Q3
R9
30k
R2
30k
Q4
R6
10k
C56
K1u
C57
K1u
D14
D13
CP4V
GND
C90
K0.1u
GND
C79
J100p
GND
VBAT
LED5
LED4
LED2
LED1
LED3
LED6
HAK_CL1
SP-PHONE_SPEAKER
+
-
RECEIVER
+
-
Q6
Q9
C84
1000p
GNDA
GNDA1
GNDA1
GNDA
C83
NC
GND
UTX
GND
URX
MIC+
RCVM
RCVP
MIC-
VBAT
BAT-
BAT+
VBAT
C10
NC
CHG_CTRL
CHG_DET
C2
NC
GND
C3
NC
CP4V
CHG+
R8
4.3
R45
0.1
GND
GND
C72
NC
C73
NC
C71
J68p
C70
J68p
GND
GND
C86
100p
GND
LED20
RE1
STAR8
ANT-Short-GND
GND
ANT-Short
GND
ANT1
R70
47
C6
J68p
C82
1000p
GND
GND
CHG-
*R11
680
GND
*R12
18k
R4
47k
GND
*R10 1.0
*Q11
*Q12
*R13
10k
*Q10
Q2
R3
1.5k
GND
L1
DOWN
UP
RIGHT
LEFT
2
8
AST
5
SP
7
FLASH
6
3
9
4
1
0
SHARP
CALLBLOCK
CN3_C
1
GND
SCL
CN3_C
6
SCL
CN3_C
10
VSS
SID
CS
C91
NC
CN3_C
12
GND
CP3V
CN3_C
5
A0
CN3_C
11
V0
C92 K1u
CN3_C
3
CS1
RESET
CD
CN3_C
4
RES
CN3_C
8
VDD
CN3_C
9
VDDA
CN3_C
7
SI
CN3_C
2
OTP_PWR
C113
D10p
RA2
390
8
2
7
3
6
4
5
RA3
390
4
2
3
SOFT_C
SOFT_A
TALK
OFF
GND
GND
GNDA
CHG+
UTXS
URXS
R63
NC
R62
NC
CP3V
F1
2.5A
*R20
30k
CN4
Headset Jack
1
4
2
3
5
CL1
CL2
CL3
CL4
CL5
CL6
CL7
CL8
CL9
GND
CL10
CL11 CL12
BBIC MODULE
17
GND_3
18
URX
19
UTX
43
GND_16
44
GND_17
45
GND_18
46
GPIO_6
58
BATTERY_ON
59
CP_OFF
60
GND_21
61
GND_22
3
HS_DET
2
BELL_LED
1
LED
4
GND_1
5
CHG+
6
BAT-
7
KEY_LED
8
MIC-
9
MIC+
10
HS_MIC
11
DCIN_2
12
REC-
13
GND_2
14
GNDA
15
REC+
16
BAT+
20
SP-
21
SP+
22
CHG_CTRL
23
CHG_DET
24
CP3V
25
LCD_CD
26
LCD_CS
27
LCD_SIO
28
LCD_SCL
29
LCD_RESET
30
GND_4
39
GND_13
40
ANT
41
GND_14
42
GND_15
35
GND_9
36
GND_10
37
GND_11
38
GND_12
31
GND_5
32
GND_6
33
GND_7
34
GND_8
54
STB_E
55
KIN_5
56
STB_D
57
STB_C
50
KIN_4
51
KIN_3
52
STB_B
53
STB_A
49
KIN_2
62
GND_23
63
GND_24
47
GND_20
48
KIN_1
64
GND_25
65
GND_26
66
GND_27
67
GND_28
68
GND_29
69
GND_30
70
GND_31
Battery
KEY BACKLIGHT
(AMBER)
CHARGE
Terminal
LCD BACKLIGHT
(WHITE)
CARBON TEST PATTERN
ANT-Pattern
To B/W LCD Unit
!
NC: No Components
K1u
C94
ECN
ECN
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