Schematic Diagram (Handset_Main) - Panasonic KX-TGF340B Service Manual

14.6. Schematic Diagram (Handset_Main)

!
BAT+
F1
2.5A
C6
J68p
Battery
GND
R45 C15
BAT-
0.1 J39p
GND
CHG+
CHG+
CHARGE
C5 R3
Terminal
K0.1u 1.5k
CHG-
GND GND GND
LEFT SOFT_C SOFT_A
9 6
CALLBLOCK SHARP
0 8 5
FLASH
SP
AST 7 4
RIGHT UP
DOWN TALK
CP4V
VBAT
IC4
6
1
VOUT CP
C56
K1u
5
2 C57
GND
VCC
K1u
3 4
SHD CN
C58
K1u
LCD BACKLIGHT
(WHITE)
LED20
RE1
CARBON_CL1
CARBON TEST PATTERN
HAK_CL1
NC: No Components
KX-TGF340/KX-TGF342/KX-TGF343/KX-TGF344/KX-TGF345/KX-TGF372/KX-TGF373/KX-TGF374/KX-TGF375/KX-TG585/KX-TGFA30
Charge Current
*Q10
*R10 1.0
*Q11 Q2
*R13
*Q12
10k
*R12 *R11
18k 680
R9
GND GND
30k
4.3
R8
R4 Q4
R7
47k
100k
R6
10k
Q9
GND
C35
NC
GND
GND
CHG+
BATTERY_ON
KIN_1
3
KIN_2 69
70
2
47
GND_20
48
KIN_1
KIN_3
49
KIN_2
KIN_4
50
KIN_4
51
1
KIN_3
52
STB_B
53
STB_A
54
STB_E
KIN_5
55
OFF
KIN_5
56
STB_D
57
STB_C
STB_E
58
BATTERY_ON
STB_A
59
CP_OFF
STB_D
60
GND_21
STB_C
STB_B
61
62
63
CP4V CP4V
KEY BACKLIGHT
(AMBER)
RA2 RA3
390
390
Q6
C79
J100p
GND GND GND
VBAT
When on Charge
C27
1000p
1s
R2
30k
Q3
ANT
CHG_CTRL
CHG_DET
BBIC MODULE
GND_4
LCD_RESET
LCD_SCL
LCD_SIO
LCD_CS
LCD_CD
CP3V
CHG_DET
CHG_CTRL
SP+
SP-
UTX
URX
GND_3
*R20
30k GNDA
C1 C2
NC NC
GND GND
KX-TGFA30 SCHEMATIC DIAGRAM (Handset_Main)
83
CP3V
CP3V
68
67
66
30
29
28
27
26
25
24
23
22
21
20
UTX
19
URX
18
17
65
64
SP Phone Rx
SP+
C73 C72
SP-
GND
NC
NC
C3
GND GND
NC
GND
RCVP
C71
J68p
RCVM
GND
GNDA GND GND GNDA1 GND
Handset Tx
SP Phone Tx
MIC+
MIC-
CL1 CL2 CL3 CL4 CL5
CL6 CL7 CL8 CL9 CL10
CL11 CL12
GND
ANT-Pattern
ANT-Short
STAR8
GND
ANT1
ANT-Short-GND
GND
C91 K1u
CN3_C 12 GND
CN3_C 11 V0
C92 K1u
CN3_C
10 VSS
CN3_C 9 VDDA
CN3_C 8 VDD
CN3_C SI
7
SID
SCL
CN3_C 6
SCL
CN3_C 5 A0
CD
CN3_C 4 RES
RESET
CS1
CN3_C 3
CS
CN3_C
OTP 2 OTP_PWR
CN3_C 1 GND
GND
R63 NC
UTXS
R62 NC
URXS
VBAT
C10
NC VBAT
UTX
URX
GND
GND
+
SP-PHONE_SPEAKER
-
D14 D13
GND GND
C42
NC
+
RECEIVER
-
C70
J68p
Handset Rx
GND
1
2
3
CN4
4
Headset Jack
5
L1
GNDA GNDA1
AP1
C113
MIC
D10p