LG 42LM660S Service Manual page 38

+3.5V_ST
C
R5800
B
AMP_MUTE
10K
E
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.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+24V +24V_AMP +3.3V_NORMAL
L5800
CIS21J121
L5801
BLM18PG121SN1D
C5800 C5802
0.1uF 0.1uF
50V 50V
C5826 C5803
10uF 0.1uF
10V 16V
C5804
2.2uF
10V
AUD_MASTER_CLK
AUD_SCK
AUD_LRCK
AUD_LRCH
R5801
10K
22 R5807
AMP_RESET_N
R5802
100 22 R5808
I2C_SDA1
Q5800 C5801 22 R5809
I2C_SCL1
MMBT3904(NXP) 0.1uF
16V
C5806
0.1uF
NC_13 GND_REG
25 12 16V
NC_14 VDD_REG
26 11
NC_15 DEV_STM_AMP OUT1A
27 10
VDDDIG1 GND1
28 9
GNDDIG1 IC5800 VCC1
29 8
FFX3A OUT1B
30 7
STA380BW
FFX3B OUT2A
31 6
EAPD/FFX4A VCC2
32 5
0X38
TWARNEXT/FFX4B GND2
33 4
VREGFILT OUT2B
34 3
0x38 when SA=0 49
AGNDPLL VSS_REG
35 2
C5805
MCLK VCC_REG
36 1 0.1uF
0x3A when SA=1
16V
C5829
1000pF
50V
OPT
+3.3V_NORMAL
L5802
BLM18PG121SN1D
C5807
0.1uF
16V
C5828
0.1uF
16V
L5803
10.0uH
C5818
0.22uF
R5810 R5812 C5816 50V
C5808
43 43
0.1uF 0.22uF
16V
50V
OPT
C5811 C5819
L5804
330pF 0.22uF
10.0uH
50V 50V
L5805
10.0uH
C5812 C5820
330pF 0.22uF
50V C5817 50V
0.22uF
R5811 R5813 50V
43 43 C5821
L5806
0.22uF
10.0uH
50V
+24V_AMP
C5809 C5810 C5813 C5814 C5815
C5827
0.1uF 1uF 1uF 0.1uF 10uF 10uF
50V 50V 50V 50V 35V 35V
SPK_L+
SPK_L-
SPK_R+
SPK_R-
GP4_MT5369
AUDIO[ST]
SPK_L+
C5822
1000pF
50V
SPEAKER_L
C5823
1000pF
50V
SPK_L-
SPK_R+
C5824
1000pF
50V
SPEAKER_R
C5825
1000pF
50V
SPK_R-
WAFER-ANGLE
4
3
2
1
P5800
2011.11.21
58
LGE Internal Use Only