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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
GND
IN
OUT
9
12
TOUCHSCREEN Level Shifter
5
ISSP OPTION
LCD 2.6V POWER
11
REV.F
G
3
F
A
H
4
8
2
G
6
5
REV.F
2
12
D
8
B
9
11
D
DCDC FOR EL
10
B
H
F
3
TOUCH_LDO
REV.F
E
7
4
A
1
BACKLIGHT CHARGE PUMP
MOTOR
TOUCH INTERFACE
1
6
C
10
C
7
E
REV.F
C503
1u
SSENS
F3
A1
T1
A6
T2
T3
F6
F1
T4
F4
VBAT1
VBATCP
B5
VBATLDO
E1
E6
VIO
B4
VOUT
WPWMIN
D1
GC1
E4
E3
GC2
LDO1O
F2
LDO2O
E2
D2
LED1
C2
LED2
LED3
C1
LED4
B1
LED5
B2
A2
LEDFL
B3
LEDGND
RESETB
C4
SBIAS
F5
D5
SCL
D4
SDA
E5
SGND
BD6095GUL
U502
C1N
D6
C5
C1P
C6
C2N
C2P
B6
C3N
A4
C3P
A5
A3
CPGND
FLASHCNT
D3
10u
C501
D501
RB521CS-30
U503
CE
6
GND1
2
GND2
5
4
NC
1
VDD
3
VOUT
R506
TP505
R1114D311D
10
0.1u
C505
EN
4
GND
2
PGND
5
3
VIN
1
VOUT
MIC94071YMT
Q501
1u
C513
VBAT
R520
910
C520
1u
C517
TP504
0.1u
51K
R518
VBAT
R517
51K
VBAT
L501
10uH
4.7u
C514
C519
DNI
2.2u
C515
20K
R510
VDD_VGA_1V8
C509
DNI
R507
0ohm_0603_case1_dni
1u
U506
R1114D261D-TR-F
6
CE
GND1
2
GND2
5
NC
4
1
VDD
VOUT
3
VBAT
TP501
R508
10
VBAT
R514
5.1K
VDD_LCD_2V6
1u
C506
C507
smd_0603h_3_r
BYPASS
C1
GND
B2
C2
IN+
IN-
C3
A3
VDD
VO+
B3
VO-
A1
B1
_SHUTDOWN
0.1u
A3
A3
A4
A4
C1
B1
C2
B2
B3
C3
B4
C4
B4
GND
B3
OE
VCCA
B2
B1
VCCB
TPA6205A1ZQVR
U505
U501
TXS0104EZXUR
A1
A1
A2
A2
5.1K
R511
R501
2K
1u
0.01u
C516
C512
C518
B
C
E
1u
3
1
VDD_LDO_3V1
VDD_VGA_2V8
Q503
KRC402E
Q502
2
4
5
ANGD
4
EN
3
6
FB
NC
5
OUT
1
8
PGND
SW
7
9
T_GND
2
VIN
VDDE_1V8
VDD_LDO_3V1
KRX102U
VDDE_1V8
U504
MIC2290YML
1u
C521
ZD501
RSB6.8CST2R
TP503
R516
1K
C508
1u
2.2K
R502
RB521CS-30
2.2u
D502
C502
smd_0603h_3_r
C510
110K
0.1u
R519
R513
100K
DNI
R509
VREG_6V1
R503
2.2K
0ohm_0603_case1_dni
C504
VDD_LDO_3V1
1u
APP_GP_TOUCH_SCREEN_INT
TOUCH_RST
IN_TOUCH_SCREEN_SDA
APP_GP_MOTOR_EN
APP_GP_SUBPM_RST
APP_GP_SUBPM_SCL
ACC_GP_LDO_3V1_EN
ACC_GP_LDO_3V1_EN
TOUCH_BUTTON_SCL
IN_TOUCH_SCREEN_SCL
TOUCH_BUTTON_SDA
IN_TOUCH_SCREEN_SDA
APP_GP_LCD_PWREN
MOTOR_PWR-
MOTOR_PWM
IN_TOUCH_SCREEN_SCL
TOUCH_SCREEN_INT
APP_GP_PAD_SDA
APP_GP_PAD_SCL
APP_GP_TOUCH_RESET
TOUCH_SCREEN_SDA
TOUCH_SCREEN_SCL
MO
APP_GP_SUBPM_SDA
SENS
WLED_PWR
LCD_PWM
APP_GP_ELDCDC_EN
GAIN1
GAIN2
WLED1
WLED2
WLED3
WLED4
WLED5
SBIAS
Содержание TU750
Страница 1: ...Service Manual Model TU750 Internal Use Only Service Manual TU750 Date January 2009 Issue 1 0 ...
Страница 216: ... 217 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 218: ... 219 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 221: ... 222 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...