LG 42PN4500 Service Manual page 21

POWER & AMP
<Power Wafer>
P600
SMAW200-H18S1
P_17V
1 2
+3.3V_ST
3 4
5 6
7 8
R609
9 10 C606
0.1uF
R601 R600 11 12 16V
10K 10K
13 14
15 16
RL_ON
17 18 C607
5V_ON
0.1uF
16V
19
<MUTI>
+5V->+3.3V_DDR
600mA
+5V
IC605
+3.3V_DDR
AP1117E33G-13
IN ADJ/GND
OUT
C611
10uF
10V
R608
1
C627
10uF
6.3V
<AUDIO AMP>
+3.3V
+3.3V_AMP
L601
BLM18PG121SN1D
AUD_MASTER_CLK
AUD_SCK
AUD_LRCK
AUD_LRCH
AMP_MUTE
AMP_RESET_N
AMP_SDA
AMP_SCL
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
<ST-BY>
1.26V Core
+5V_ST
+3.3V_ST
C613 C620 C621
10uF 10uF 0.1uF
25V 25V 50V
READY
+5V_ST
L600
120
C608 C610
VS_DET
10uF 0.1uF
RL_ON
10V 16V
100
R617
33K
VS_ON R1
1%
17V_DET
AC_DET
C623
C633
100pF
1000pF 50V
50V
R619
51K
1%
--> +1.5V_DDR +5V->+2.5V
400mA
+3.3V_DDR
IC613
R2 +5V
AZ1117BH-ADJTRE1
+1.5V_DDR
INPUT ADJ/GND
IN
OUTPUT
C618
R1
10uF
6.3V C605
10uF
R675 10V
1
C619
10uF
6.3V
+3.3V_AMP
25
NC_13
C672 26
NC_14
0.1uF
27
NC_15
16V
28
VDDDIG1
29
GNDDIG1
30 IC606
FFX3A
31 STA380BWF
FFX3B
32
EAPD/FFX4A
C673
2.2uF 33
TWARNEXT/FFX4B
10V
34
VREGFILT
35
AGNDPLL
36
MCLK
AR600
100
C632
2pF
50V
R611
33
+3.3V_AMP
+3.3V_AMP
R628
4.7K
R641
C622 R640
0.1uF 4.7K
4.7K
R652
22
R653
22
READY READY
C674 C675
33pF 33pF
50V 50V
+5V
IC603
R607
TPS54327DDAR [EP]GND
10K
EN VIN
1 8 +1.26V_VDDC
R648
100
VFB VBST
2 7
C628
L605
0.1uF
VREG5 SW 25V 2.2uH
3 6
3A
C650 C629 C630 C609 C603
R2
SS GND 10uF 10uF 0.1uF 10uF 10uF
4 5 16V 16V 16V 16V 16V
C624 C626
1uF 3300pF
10V 50V
Vout=0.765*(1+R1/R2)
+5V->+3.3V
->+3.3V_TU
600mA
+5V
IC608
200mA +2.5V AP1117E33G-13
IC601 +3.3V
TJ1118S-2.5
IN ADJ/GND
OUT
3 2
OUT
C616
1
R612 10uF
1 10V
GND
R662
C612 1
10uF
6.3V
C617
10uF
6.3V
L609
10.0uH
Coil_GET
L611
10.0uH
Coil_TAIYO C691
0.22uF
R632 R636 L602
C688 50V
39 39 10.0uH
0.22uF
12 GND_REG C678
50V
0.1uF Coil_GET
C684 C692
11 VDD_REG 16V L612
330pF 0.22uF
10.0uH
10 OUT1A
50V 50V
9 GND1
Coil_TAIYO
8 VCC1
L603
7 OUT1B 10.0uH
6 OUT2A
Coil_GET
5 VCC2 L614
10.0uH
4 GND2
3 OUT2B
C685 C693
49 Coil_TAIYO
2 VSS_REG 330pF 0.22uF
C679
50V C689 50V
1 VCC_REG 0.1uF
0.22uF
50V Coil_TAIYO
R633 R637
50V
39 39
C694
L615
0.22uF
10.0uH
50V
+3.3V_AMP L610
P_17V
10.0uH
Coil_GET
L616
CIS21J121
C677
0.1uF
16V
C680 C681 C686 C687 C690 C695
0.1uF 1uF 1uF 0.1uF 0.1uF 68uF
50V 50V 50V 50V 50V 35V
+5V_ST --> 3.3Vst 5V_STBY --> MULTI 5V
+5V_ST 300mA +3.3V_ST
IC600
AP2121N-3.3TRE1
VIN VOUT
3 2
1
C600 C601 C604 C634
10uF 0.1uF 1uF 10uF
10V 16V GND 6.3V 6.3V
+5V->+1.8V_TU
80mA
+5V R2
IC604
AZ1117BH-ADJTRE1
+1.8V_TU
+3.3V_TU
INPUT ADJ/GND
OUTPUT
L606
C615
120-ohm
R1
2A 10uF
10V
R621
1
C631
10uF
6.3V
Vout=1.25*(1+R2/R1)
SPK_L+
C696
1000pF
50V
SPEAKER_L
C697
1000pF
50V
SPK_L-
SPK_L+
SPK_R+
C698
1000pF
SPK_L-
50V
SPEAKER_R
C699 SPK_R+
1000pF
50V
SPK_R-
SPK_R-
+5V_ST +5V
Q604
ZXMP3F30FHTA L604
3A
120
R667 R670 R671
R657 R664 G 0.1uF 0.1uF 10K
10K 10K 16V 16V READY
READY READY
READY
C602
2.2uF
10V
C
B Q603
RL_ON MMBT3904(NXP)
R659
10K
E
+5V->+1.25V_TU
400mA
+5V +1.25V_TU
IC602
AP1117EG-13
FNIM
IN OUT
ADJ/GND
R620
R1
1
R2
C614 FNIM
10uF
10V R618 C625
FNIM 240 10uF
FNIM 6.3V
FNIM
Vout=1.25*(1+R2/R1)
P601
WAFER-ANGLE
4
3
2
1
L13
2012-06-01
6 7
Power,AMP
LGE Internal Use Only