LG MG810c Service Manual page 90

7. CIRCUIT DIAGRAM
1
A
B
C
D
CLK32K_OUT
E
1 2
LGIC(42)-A-5505-10:01
V_IO
TP502
VBAT
C504 1 18
GND1 VA
100p 2 17
FM_ANT FMIP GND5
3 16
RF_GND U501 LOUT
4 15
FMIN SI4700 ROUT
5 14
GND2 GND4
6 13
GND3 VD
R508
0
C509
C508
1u 22n
V_IO V_IO
V_SRAM
R530
10K
_MIDI_RST
I2C_CLK
I2C_DATA C511
1u
V_FLASH V_SRAM
R532
47K
VCC
TC7SH04FS
5
1 4
$V
2
U503 GND
$V
Iss.
3 4 5
R501
100K
VBAT V_IO
FM_AMP_SHDN
FM_INTX
C501 C502
0.01u 1u
U502 LM4809LD
7 8 C503
VDD VOUT1
R505
1u
10K
1
VIN1
6 C507
VOUT2
R507
5 1u
VIN2
10K
2 3
BYPASS GND
R509
4 9
FM_AMP_SHDN _SHDN BGND
1K
C510
1u
R511
100K
Section Date
Designer
Checked
Approved
Notice No. Date Name LG Electronics Inc.
- 89 -
9 1 0
A
A
B
B
R504
HSOL
10K
R506
HSOR
10K
C
D
Sign & Name Sheet/
MG810
MODEL Sheets
5/5
DRAWING
FM Radio ckts
NAME
DRAWING
Rev 1.0
NO.
LG Electronics Inc.