15
3.7.
Schematic Diagram
3.7.1.
Schematic Diagram (Handset_Main)
[Changed from original section “14.5. Schematic Diagram (Handset_Main)”]
When on Charge
1s
Charge Current
SP phone RX
Handset RX
Handset TX
Headset Tx
Headset Rx
SP phone TX
1
BELL_LED2
CHG_CTRL
CHG_DET
POWER
CHG_CTRL
CHG_DET
BATTERY_ON
CHG+
KIN_3
KIN_2
LCD_RESET
LCD_SCL
LCD_SID
LCD_LED
BELL_LED1
BATTERY_ON
STB_B
STB_E
KEY_LED
MIC-
CHG+
SOCp
SOCn
MIC+
STB_D
STB_C
LCD_CD
LCD_CS
KIN_5
KIN_4
KIN_1
KIN_3
STB_C
STB_B
BELL_LED1
BELL_LED2
KEY_LED
SP+
SP+
SP-
RCV+
RCV-
STB_A
LCD_LED
NR_LED
NR_LED
KIN_1
MIC+
MIC-
LCD_CS
LCD_RESET
LCD_CD
LCD_SCL
LCD_SID
MICh
STB_A
HEADSET_DET
HEADSET_DET
MICh
STB_E
KIN_5
STB_D
POWER
SOCp
SP-
SOCn
KIN_4
KIN_2
RCV-
RCV+
GND
*PCB
RE1
C73
D10p
C72
D10p
GND
GND
VBAT
GND
GND
GND
GND
C6
K0.1u
MIC AP1
R7
820
R9
30k
R2
30k
C19
K1000p
R6
10k
C78
K2200p
GND
C79
K2200p
GND
R77
1
R76
1
GND
HAK_CL1
CP4V
*R13
1k
*R12
220k
*R11
680
*Q11
GND
GND
*Q10
*Q6
GND
*R15
1.5k
CP4V
C5
K0.1u
SOFT_C
RIGHT
1
SHARP
4
5
6
2
7
SP
UP
3
8
AST
DOWN
LEFT
TALK
SOFT_A
0
9
FLASH
C1
220u
6.3V
GND
*R10
1.0
SPEAKER
+
-
CHG+
PNJE1194ZA/M1
*SHEET-SW
AP1
Q9
BATT+
BATT-
UTX
URX
GND
VBAT
*Q12
Q2
Q4
GND
ANT-Short-GND
ANT-Short
ANT1_TP
GND
R8 4.3
(3216)
R45
0.1
C70
J68p
C71
J68p
CHG+
C113
D10p
NR
OFF
VBAT
BATT+_
BATT-_
GND
CP4V
C69
D10p
GND GND GND GND
GND GND
C68
D10p
CKM
SHORT1
SHORT2
*LED6
*LED4
*LED3
*LED2
*LED5
*LED1
*R20
30k
1.8V
CP4V
CP3V
LCD
7
SDA
C93
K1u
LCD
1
GND
LCD
12
XV0
LCD
2
GND(OTP)
LCD
3
CS
LCD
11
V0
LCD
4
RST
LCD
6
SCLK
LCD
8
VDD1
GND
C92
K1u
CP3V
LCD
10
VSS
C91
K1u
LCD
15
GND
LCD
14
GND
LCD
9
VDD
LCD
13
VG
LCD
5
A0
*LED11
*LED12
*LED13
MIC+
MIC-
Rcv+
Rcv-
1.8V
C82
NC
GNDA
C84
NC
L10
NC
C87
K1000p
C83
NC
GND
GNDA1
C16
K10u
R90
NC
GNDA1
GNDA1
C39
K1000p
R91
10
GND
L7
NC
GND
C86
NC
R500
NC
GNDA
R34
100k
R32
100k
GND
C33
K0.1u
C94
K0.1u
*RA3
680
1
4
*RA2
680
1
8
2
2
3
3
4
5
6
7
18
SP+
19
GND_5
20
URX
48
GND_18
49
GND_4
50
BELL_LED2
51
GND_19
66 KIN_5
67 KIN_4
68 KIN_1
69
GND_24
3
BATTERY_ON
2
BELL_LED1
1
GND_1
4
STB_B
5
STB_E
6
HEADSET_DET
7
KEY_LED
8
MICh
9
MIC-
10
GND_2
11
GND_3
12
REC+
13
REC-
14
CHG+
15
BAT-/SOCp
16
SOCn
21
UTX
22
LCD_LED
23
CP4V
24
GND_6
25
GND_7
26
1.8V
27
GND_8
28
LCD_SID
29
LCD_SCL
30
LCD_RESET
31
GND_9
44
GND_16
45
GND_17
46
BAT+/VBAT2
47
LED1
40
CHG_CTRL
41
GND_13
42
GND_14
43
GND_15
36
ANT
37
GND_12
38
POWER
39
CHG_DET
62 GND_23
63 LCD_CD
64 LCD_CS
65 STB_A
58 BAT+/VBAT1
59 CP3V
60 GND_21
61 GND_22
57 GNDA
70
GND_25
71
GND_26
55 GND_20
56 MIC+
17
SP-
32
KIN_2
33
KIN_3
34
GND_10
35
GND_11
54 STB_C
52 P2_3
53 STB_D
SHORT3
L9
GND
RECEIVER
+
-
CP3V
1.8V
POWER
CARBON_CL1
C120
J68p
C15
J68p
GND
C121
J68p
GND
C122
J68p
GND
C123
J68p
C124
J68p
C125
J68p
GND
GND
VOL_DOWN
3
4
1
2
VOL_UP
3
4
1
2
D1
NC
D2
NC
GND
D3
NC
GND
D4
NC
*Q3
*CN4 Headset Jack
2
3
4
5
1
*LED20
Test Pattern
for Carbon
To Charge
Terminal
To Battery
Test Pattern
for Pattern
BELL LED
For Power Failure
Function
(US/EU = White)
(US/EU = AMBER)
KEY B/L LED
1.8 inch Wide Monochrome LCD [Heat Seal]
LCD B/L LED
ANT pattern
B/W LCD Unit
(US/EU = AMBER)
NR LED
(US/EU = AMBER)
CHG-
TGEA20-VE NR
TGEA40
CALLBLOCK
KX-TGEA20US VE Handset
NC: No Components
