LG D686 - Page 125

3. TROUBLE SHOOTING
- 125 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
R601
3.3
2
1
C628 4.7u
2
1
U608RP101K282D
5
3 2
4 1
VOUTVDD
GNDCE
PGND
R624
0
21
300
R612
21
Q601
1
2
3
100K R610
2
1
LD601
2
1
R613
1K
21
+2V8_IrRC_LDO
+2V8_IrRC_LDO
ZD601
U605
43
52
61
B C
GND VCC
A Y
+2V8_IrRC_LDO
R614
1K
21
C611 4.7u
2
1
TP607
1
Q602
1
2
3
C612
0.1u
1
2
+1V8_VIO_MTK
VBATT
1u
C629
1
2
C630
1u
1
2
LINE_OUT_IRRC
IRRC_TX
IrRC_LDO_EN
TP4 (LINE_OUT_IRRC)
TP1: C530(+2V8_IrRC_LDO)
TP3 (IRRC_TX)
TP2: LD601
(+2V8_IrRC_LDO)