LG 47LW6500-UA Service Manual page 30

RGB/ PC AUDIO/ SPDIF/ EARPHONE/ RS232C
RGB PC
+5V_Normal
IC801
74F08D
D0A VCC
1 14
D0B D3B
R801
22 2 13
Q0 D3A
3 12
DSUB_HSYNC 22 R802
R850 0 D1A Q3
4 11
OPT
R851 0 D1B D2B R852 0
5 10
OPT OPT
Q1 D2A R853 0
6 9
OPT
GND Q2
7 8
DSUB_G+
DSUB_R+
PC AUDIO
JK801
KJA-PH-0-0177
5 GND
R866
22
4 L
D801
C801 C804
3 DETECT
AMOTECH R804
5.6V 560pF 560pF
470K
50V 50V
ESD_COMMON
1 R
R867
22
D802
C802 C805
AMOTECH R805
560pF 560pF
5.6V 470K
50V 50V
ESD_COMMON
SPDIF OUT
+3.3V_Normal
R803
0
D803
30V
OPT
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
D810
KDS184
A2
C
A1
R814 R815
IC802
2.7K 2.7K
AT24C02BN-SH-T
A0 VCC
1 8
A1 W P
2 7
R848 22
A2 SCL
3 6
R847 22
GND SDA
4 5
C807
R807 D809
D804 22pF
10K
5.6V
50V
30V
OPT
OPT
R808 C808
D805
22pF
10K
30V
50V
OPT
BLM15BD121SN1
L806
ESD_COMMON
D808
C830
R812
30V
47pF
75
50V
BLM15BD121SN1
L807
ESD_COMMON
D806
C831
R811
30V
47pF
75
50V
BLM15BD121SN1
L808
ESD_COMMON
C832
R813
D807
47pF
30V
75
50V
C l o s e d t o J A C K
JK804
SLIM-15F-D-2
PC_L_IN
PC_R_IN
JK802
2F11TC1-EM52-4F
VIN
A
VCC
B
GND
C
4
+5V_Normal EARPHON JACK
+3.3V_Normal
HP_LOUT
HP_DET
1K R821
EDID_WP
HP_ROUT
RGB_DDC_SCL
EARPHONE AMP
D811
5.6V
OPT
+3.3V_Normal
HP_LOUT_N
R819
10K
HP_LOUT_P
1K R820 HP_ROUT_P
HP_ROUT_N
D812
D812-*1
5.6V
5.6V
ESD_CERADIODE
RS232C
C1+
0 . 1 u F C812
1
V+
C813
0 . 1 u F 2
C1-
3
C2+
0 . 1 u F C814
4
C2-
5
V-
0 . 1 u F C815
6
DOUT2
7
RIN2
8
D804,D805,D806
D807,D808,D813
D814
D810
JK803
KJA-PH-0-0177
Q801
GND 5
IC805
L 4
DETECT 3
R 1
EAG61030001
OPT
R825 0
SPK_R+_HOTEL
OPT
R826 0
SPK_R-_HOTEL
+3.3V_Normal
L803
120-ohm
BLM18PG121SN1D
C822 C824
0 . 1 u F
10uF
16V
10V
C821
C l o s e t o t h e I C
1uF
10V
C825
C816
16 15 14 13 2 . 2 u F
1uF
10V
HPVDD
10V
12
C817
1uF
CPP
10V
11
C818
C826
1uF
2 . 2 u F
PGND
10V 10V
10
C819
1uF
CPN
10V
9
5 6 7 8
C823
2 . 2 u F
10V
IR_OUT
100
R833
100
R834
IC803
D813
MAX3232CDR
30V
VCC
16
GND
15
DOUT1
14
RIN1
13
ROUT1
12
DIN1
11
DIN2
10
ROUT2
9
EAN41348201
BCM35230
COMMON JACK
DUAL COMPONENT
1ST : EAH39491601, 2ND : EAH33945901
1ST : 0DD184009AA, 2ND : 0DSIH00028A
1ST : 0TRIY80001A, 2ND : 0TR387500AA
1ST : EAN61151201, 2ND : EAN61130001
LPF READEY
( F o r H / P N o i s e I m p r o v e m e n t )
L804
R868
BG2012B080TF
0
C828
0 . 2 2 u F
10V
+3.3V_Normal
R837
100K
OPT
R842 OPT
4.7K R843
0
C
Q801 B
SIDE_HP_MUTE
2SC3052
E
L805
R869
BG2012B080TF
0
HP_ROUT
C829
0 . 2 2 u F
10V
10
5
9
0 R838
4
IR_OUT
8
JP809
3
7
JP810
2
D814
6
30V
1
SPG09-DB-009
JK805
BCM_RX
R863
0
NEC_RXD
R864
0
BCM_TX
R865
0
NEC_TXD
2 0 1 0 . 1 0 . 2 1
8 58